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Verstappen and Norris Struggle While Mercedes Dominate Red-Flagged FP1

Highlights
- Kimi Antonelli led FP1; Mercedes dominated hot conditions.
- Verstappen faced anti-stall issues; finished fourth.
- Norris missed most running due to suspected hydraulic leak.
- Perez caused only red flag after Cadillac stalled.
- FIA tested rear light colors to signal battery modes.
Mercedes set the tone in a hot Austrian Grand Prix FP1, with Kimi Antonelli fastest and George Russell close behind. Max Verstappen and Lando Norris both see disrupted programs.
Track temperatures reach around 31°C, increasing tire and cooling sensitivity. Multiple interruptions limit clean laps and compress preparation for qualifying at the Red Bull Ring.
Norris sits out roughly 45 minutes while McLaren investigates a suspected hydraulic leak on his MCL40. He returns for seventh but skips the expected ‘Macarena’ rear-wing trial in FP1.

McLaren’s cautious approach reflects reliability priorities. Further context on both Norris and Verstappen’s starts appears in the Verstappen and Norris Austrian GP report.
Verstappen loses around 20 minutes to anti-stall issues before climbing to fourth. Team-mate Isack Hadjar requires power-unit fluid draining, eventually recording 12th after curtailed running.
Red Bull’s stop-start session affects baseline gathering on a hot track. The team continues to evaluate developments, as outlined in its Austrian GP upgrade plan.
Mercedes appears immediately comfortable. Antonelli leads, Russell follows closely, and the W15’s balance holds in the heat. Lewis Hamilton reports a “real struggle” and ends sixth despite the team’s headline pace.
Dino Beganovic impresses as fastest rookie in ninth. Ayumu Iwasa and Paul Aron complete solid midfield programs as teams prioritize data gathering over headline times.
Sergio Perez triggers the session’s only red flag when his Cadillac stalls late on. Further detail on the setback features in the Perez Cadillac shortfall analysis.
In the pit lane, Red Bull’s Ryo Hirakawa overshoots his box and lightly contacts a mechanic. The mechanic escapes injury, avoiding wider operational repercussions.
The FIA continues testing multi-color rear lights to indicate battery modes, with feedback due after FP2. The wider energy deployment context is explored in the Mercedes F1 battery upgrade feature.
Most teams switch to longer medium-tire runs late on, stabilizing the order. The red flag truncates final soft-tyre efforts, leaving Mercedes on top and rivals chasing setup clarity.
Visual Summary
Verstappen
#4
#7
Norris
31°C heat compounds reliability headaches for top teams
Hydraulics scare, no ‘Macarena’
Anti-stall glitch
Red Flag
Cadillac stall
?
rear light & battery mode test ongoing – results reviewed after FP2

Daniel Miller reports on Formula 1 Grand Prix weekends with race-day analysis, team-radio highlights, and point-standings updates. He explains power-unit upgrades, aerodynamic developments, and driver rivalries in straightforward, SEO-friendly language for a global F1 audience.





