In this report, we break down everything that happened during Day 3 of Formula 1’s closed-door Barcelona testing, including Mercedes topping the timesheets once again, McLaren’s long-awaited first run with their 2026 car, and key mileage from Alpine, Racing Bulls, Haas, and Audi.We discuss the standout lap times from Kimi Antonelli and George Russell, Lando Norris’ first impressions of McLaren’s 2026 challenger, and what the heavy running from teams really tells us under the new 2026 F1 regulations.While testing times should always be taken with caution, Day 3 gave us our clearest look yet at which teams look prepared heading toward Bahrain pre-season testing.#Formula1 #formulaone #F1News #F1Report #PreSeasonTesting #F1Podcast #MercedesF1 #McLarenF1 #F1Analysis #F12026 #F1Testing #BarcelonaTesting