2026 UNITED STATES GRAND PRIX

23 - 25 October 2026

From The FIA Formula 1 Race Director Document 8

To All Teams, All Officials Date 22 October 2026

Time 17:20

Title Power Unit Information

Description Power Unit Information

Enclosed R18_United_States_Power_Unit_Information.pdf

Rui Marques

The FIA Formula 1 Race Director

F1 POWER UNIT INFORMATION TO THE TEAMS AND PUMs

2026 UNITED STATES GRAND PRIX

COMPETITION INFORMATION

| ROUND No. | R18 |
| --- | --- |
| VENUE | Austin |
| CENTRELINE | 5.513 km |
| FORMAT | Standard |
| DATE | 22-25 October |

POWER AND ENERGY LIMITS

| Article C5.2.10 Maximum Recharge per lap |  |  |  |  | Article C5.12.8 Maximum PU Power Reduction Rate |  |
| --- | --- | --- | --- | --- | --- | --- |
| Race |  | Qualifying | Free Practice sessions | Out laps other than in Race | Power Limited Distance | Rate Limit |
| Overtake not active | Overtake active |  |  |  |  |  |
| 8.5 MJ | 9.0 MJ | 8.5 MJ | 9.0 MJ | 9.0 MJ | 2847 m | 100 kW/s |

| Article C5.2.8 Maximum DC power of ERS-K function of car speed |  |  |  | 350 )Wk( 300 re |  |  |
| --- | --- | --- | --- | --- | --- | --- |
| Sprint & Race |  |  | Any Practice Session incl. Qualifying Sessions |  |  |  |
| Main Overtaking Zones |  | Other parts of the Lap |  |  | Base - S Base - O | tandard vertake |
| Overtake not active | Overtake active |  |  |  | Alt 1 |  |
| Base - Standard | Base - Overtake | Alt 1 | Base - Overtake |  |  |  |

IDENTIFICATION OF SECTORS WHERE EXCEPTIONS APPLY

| Article C5.2.8iii Sectors where the alternative power curve defined above applies in Sprint & Race |  | Article C5.12.4 Sectors where the PU power reduction at the start of a Power Limited Pending period can be greater than 150kW (sectors indicated by [ ] are for SQ and Q only) |  |  | Article C5.12.5 Sectors where a reset of MGUK power reduction is permitted (sectors indicated by [ ] are for SQ and Q only) |  |
| --- | --- | --- | --- | --- | --- | --- |
| Identification of Sectors | Lap distance window [m] | Identification of Sectors | Lap distance window [m] | Maximum PU power reduction permitted | Identification of Sectors | Lap distance window [m] |
| T4-T8 T12-T20 | 1300-1850 3700-5250 | T4-T8 T12-T15 T16-T20 [Exit T20] | 1300-1850 3700-4200 4500-5250 [5280-5500] | 350kW 350kW 350kW [350kW] | Exit T16 [Exit T20] | 4500-4750 [5350-5500] |

| Article C5.12.7 |  |  |
| --- | --- | --- |
| Sectors with a higher speed threshold |  |  |
| Identification of Sectors | Lap distance window [m] | Speed threshold |
| T16-T17 | 4430-4600 | 250km/h |

| OVERTAKE |  |  |
| --- | --- | --- |
| Article B7.2 |  |  |
| Detection Gap | Detection Line [sLap & Loop] (Art. B7.2.1b.viii) | Activation Line [sLap & Loop] (Art. B7.2.1b.ix) |
| 1.0 s | 5326 m L21 | 5420 m L1 |