{"columns":[{"name":"year","type":"int64"},{"name":"format","type":"string"},{"name":"description","type":"string"},{"name":"q1DurationMinutes","type":"int64"},{"name":"q2DurationMinutes","type":"int64"},{"name":"q3DurationMinutes","type":"int64"},{"name":"eliminationCountPerStage","type":"int64"},{"name":"hundredSevenPercentRule","type":"bool"}],"n_rows":77,"rows_kept":77,"cut":false,"text_format":"parquet-jsonl-2026-10-02","bounds":{"document_bytes":16777216,"package_text_limit_bytes":33554432,"package_text_slack_bytes":1024,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096,"vector_min":64,"vector_head_fixed":16,"vector_head_variable":64,"kv_value_chars":1048576,"nesting_max":64,"binary_text":true},"cells_cut":0,"cells_bad_utf8":0,"cells_raw":0,"cells_binary":0,"cells_binary_text":0,"cells_vector":0,"n_row_groups":1,"reader":"pyarrow 23.0.1, python 3.13","created_by":"DuckDB version v1.5.3 (build 14eca11bd9)","schema":{"fields":[{"name":"year","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"format","type":"string","nullable":true,"metadata":null,"children":null},{"name":"description","type":"string","nullable":true,"metadata":null,"children":null},{"name":"q1DurationMinutes","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"q2DurationMinutes","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"q3DurationMinutes","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"eliminationCountPerStage","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"hundredSevenPercentRule","type":"bool","nullable":true,"metadata":null,"children":null}],"parquet":"required group field_id=-1 duckdb_schema {\n  optional int64 field_id=-1 year (Int(bitWidth=64, isSigned=true));\n  optional binary field_id=-1 format (String);\n  optional binary field_id=-1 description (String);\n  optional int64 field_id=-1 q1DurationMinutes (Int(bitWidth=64, isSigned=true));\n  optional int64 field_id=-1 q2DurationMinutes (Int(bitWidth=64, isSigned=true));\n  optional int64 field_id=-1 q3DurationMinutes (Int(bitWidth=64, isSigned=true));\n  optional int64 field_id=-1 eliminationCountPerStage (Int(bitWidth=64, isSigned=true));\n  optional boolean field_id=-1 hundredSevenPercentRule;\n}\n"},"kv_metadata":[]}
[1950,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1951,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1952,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1953,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1954,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1955,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1956,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1957,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1958,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1959,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1960,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1961,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1962,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1963,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1964,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1965,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1966,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1967,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1968,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1969,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1970,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1971,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1972,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1973,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1974,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1975,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1976,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1977,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1978,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1979,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1980,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1981,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1982,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1983,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1984,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1985,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1986,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1987,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1988,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1989,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1990,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1991,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1992,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1993,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1994,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1995,"TWO_SESSION","Two one-hour timed sessions (Friday + Saturday). Each driver limited to 12 laps per session. Fastest lap from either session set the grid. Pre-qualifying existed 1977-1992 for overflow entries.",null,null,null,null,false]
[1996,"ONE_HOUR","Single one-hour session on Saturday with all cars on track simultaneously. Each driver limited to 12 laps. 107% rule introduced 1996, removed end of 2002.",null,null,null,null,true]
[1997,"ONE_HOUR","Single one-hour session on Saturday with all cars on track simultaneously. Each driver limited to 12 laps. 107% rule introduced 1996, removed end of 2002.",null,null,null,null,true]
[1998,"ONE_HOUR","Single one-hour session on Saturday with all cars on track simultaneously. Each driver limited to 12 laps. 107% rule introduced 1996, removed end of 2002.",null,null,null,null,true]
[1999,"ONE_HOUR","Single one-hour session on Saturday with all cars on track simultaneously. Each driver limited to 12 laps. 107% rule introduced 1996, removed end of 2002.",null,null,null,null,true]
[2000,"ONE_HOUR","Single one-hour session on Saturday with all cars on track simultaneously. Each driver limited to 12 laps. 107% rule introduced 1996, removed end of 2002.",null,null,null,null,true]
[2001,"ONE_HOUR","Single one-hour session on Saturday with all cars on track simultaneously. Each driver limited to 12 laps. 107% rule introduced 1996, removed end of 2002.",null,null,null,null,true]
[2002,"ONE_HOUR","Single one-hour session on Saturday with all cars on track simultaneously. Each driver limited to 12 laps. 107% rule introduced 1996, removed end of 2002.",null,null,null,null,true]
[2003,"ONE_SHOT","Drivers took to the track one-by-one for a single flying lap. 2003: Friday session determined Saturday order. 2004: both sessions on Saturday. Cars ran with race-start fuel loads.",null,null,null,null,false]
[2004,"ONE_SHOT","Drivers took to the track one-by-one for a single flying lap. 2003: Friday session determined Saturday order. 2004: both sessions on Saturday. Cars ran with race-start fuel loads.",null,null,null,null,false]
[2005,"AGGREGATE_KNOCKOUT","Two single-lap runs: Saturday afternoon (low fuel) + Sunday morning (race fuel). Times added together. Abandoned after 6 races (Australia-Monaco) due to fan/media backlash. Remainder reverted to ONE_SHOT.",null,null,null,null,false]
[2006,"KNOCKOUT_3","Three-stage knockout: Q1 (all cars), Q2 (survivors), Q3 (top 10). 6 eliminated per stage (22-car grid to 10-car Q3). Times reset each stage.",20,15,10,6,false]
[2007,"KNOCKOUT_3","Three-stage knockout: Q1 (all cars), Q2 (survivors), Q3 (top 10). 6 eliminated per stage (22-car grid to 10-car Q3). Times reset each stage.",20,15,10,6,false]
[2008,"KNOCKOUT_3","Three-stage knockout: Q1, Q2, Q3. 5 eliminated per stage (20-car grid to 10-car Q3). 2010: refueling banned, cars run low fuel throughout qualifying.",20,15,10,5,false]
[2009,"KNOCKOUT_3","Three-stage knockout: Q1, Q2, Q3. 5 eliminated per stage (20-car grid to 10-car Q3). 2010: refueling banned, cars run low fuel throughout qualifying.",20,15,10,5,false]
[2010,"KNOCKOUT_3","Three-stage knockout: Q1, Q2, Q3. 5 eliminated per stage (20-car grid to 10-car Q3). 2010: refueling banned, cars run low fuel throughout qualifying.",20,15,10,5,false]
[2011,"KNOCKOUT_3","Three-stage knockout with 107% rule reintroduced (applies to Q1 only). 5 eliminated per stage. 107% rule returned following entry of new backmarker teams.",20,15,10,5,true]
[2012,"KNOCKOUT_3","Three-stage knockout with 107% rule reintroduced (applies to Q1 only). 5 eliminated per stage. 107% rule returned following entry of new backmarker teams.",20,15,10,5,true]
[2013,"KNOCKOUT_3","Three-stage knockout with 107% rule reintroduced (applies to Q1 only). 5 eliminated per stage. 107% rule returned following entry of new backmarker teams.",20,15,10,5,true]
[2014,"KNOCKOUT_3","Three-stage knockout with 107% rule reintroduced (applies to Q1 only). 5 eliminated per stage. 107% rule returned following entry of new backmarker teams.",20,15,10,5,true]
[2015,"KNOCKOUT_3","Three-stage knockout with 107% rule reintroduced (applies to Q1 only). 5 eliminated per stage. 107% rule returned following entry of new backmarker teams.",20,15,10,5,true]
[2016,"KNOCKOUT_3","ELIMINATION format used for first 2 races (Australia, Bahrain): rolling knockout every 90 seconds, only 8 to Q3. Unanimously scrapped; reverted to KNOCKOUT_3 from Chinese GP.",20,15,10,5,true]
[2017,"KNOCKOUT_3","Three-stage knockout with shortened session times (18/15/12 min). 107% rule active. Sprint weekends (2021+): separate Sprint Qualifying sets sprint race grid.",18,15,12,5,true]
[2018,"KNOCKOUT_3","Three-stage knockout with shortened session times (18/15/12 min). 107% rule active. Sprint weekends (2021+): separate Sprint Qualifying sets sprint race grid.",18,15,12,5,true]
[2019,"KNOCKOUT_3","Three-stage knockout with shortened session times (18/15/12 min). 107% rule active. Sprint weekends (2021+): separate Sprint Qualifying sets sprint race grid.",18,15,12,5,true]
[2020,"KNOCKOUT_3","Three-stage knockout with shortened session times (18/15/12 min). 107% rule active. Sprint weekends (2021+): separate Sprint Qualifying sets sprint race grid.",18,15,12,5,true]
[2021,"KNOCKOUT_3","Three-stage knockout with shortened session times (18/15/12 min). 107% rule active. Sprint weekends (2021+): separate Sprint Qualifying sets sprint race grid.",18,15,12,5,true]
[2022,"KNOCKOUT_3","Three-stage knockout (18/15/12 min). 107% rule active. Sprint weekends (2023+): separate SQ1/SQ2/SQ3 (12/10/8 min) for sprint grid.",18,15,12,5,true]
[2023,"KNOCKOUT_3","Three-stage knockout (18/15/12 min). 107% rule active. Sprint weekends (2023+): separate SQ1/SQ2/SQ3 (12/10/8 min) for sprint grid.",18,15,12,5,true]
[2024,"KNOCKOUT_3","Three-stage knockout (18/15/12 min). 107% rule active. Sprint weekends (2023+): separate SQ1/SQ2/SQ3 (12/10/8 min) for sprint grid.",18,15,12,5,true]
[2025,"KNOCKOUT_3","Three-stage knockout (18/15/12 min). 107% rule active. Sprint weekends (2023+): separate SQ1/SQ2/SQ3 (12/10/8 min) for sprint grid.",18,15,12,5,true]
[2026,"KNOCKOUT_3","Three-stage knockout adapted for 22-car grid (Cadillac entry). Q1 18 min (6 eliminated), Q2 15 min (6 eliminated), Q3 13 min (10 cars). Gap between Q2/Q3 shortened to 7 min.",18,15,13,6,true]