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SomersF1 · Jul 2, 2026

2026 British Grand Prix tech journal & document cache

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Matthew Somerfield · SomersF1

The British Grand Prix is with us and that means only one thing, it’s either going to be blisteringly hot, or very wet, as the British summer only ever seems to be able to deliver one or the other.

This article will be updated throughout the weekend to include more documention as it lands, along with links to any additional articles that I post in relation to updates that the teams might have.

I do hope you’re enjoying the content I’m providing here on substack this year, if so please be sure to subscribe in order you get it delivered straight to your inbox.

First up we have the circuit map, which shows us the four straight-line mode zones, where active aero can be deployed.

The red SM indicators are the zone lengths under normal conditions and the blue SM indicators denote the zone lengths when the track is considered to be in a low grip state.

The four SLM zones are on the pit straight, between turns 5 & 6, between turns 7 & 9 (not active in the wet) and between 14 & 15.

The overtake detection and activation zones are denoted in green, with the detection point and the activation zone after T17.

Pirelli are supplying the C1, C2 and C3 compounds, with minimum starting pressures for the dry tyres of 28.0psi at the front and 28.5psi at the rear indicated before the action gets underway.

Historically the tyre manufacturer has sought to adjust these after Friday’s Free Practice running, so I’ll let you know if that changes in due course.

On the topic of Pirelli, here’s their preview infographic which serves to give us some additional information that can be handy, such as the average pit stop loss, which they have at around 20 seconds.

Circuit Characteristics

Circuit Length 5.891 km Race Laps 52

Race Distance 306 km

Distance from Pole to First Braking Zone 642m

Pole Position Side Left

Pit Lane Length Under Speed Limit Control 509m

Drive-Through Time at 80 km/h 23s

Race Characteristics

Safety Car Probability 80% Average Track Temperature 28.3 °C

Average Ambient Temperature 20.4 °C Highest Track Temperature 41.3 °C

Highest Ambient Temperature 26 °C Wet Session Probability 40%

*Information supplied by Mercedes

Next up we have details regarding power and energy limits, as they’ll change from race-to-race, with 8MJ of recharge available during the race, except when Overtake is active, as this rises to 8.5MJ.

Qualifying has a maximum recharge of 6.5MJ.

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