Tokyo Marathon
Race Day Weather
Cool, headwinds early, tailwinds late
Runners will face a start temperature of 44°F, rising to 48°F by the finish. With a consistent headwind from the NE during miles 1-4 and 8-9, pacing adjustments will be essential early on. Tailwinds from miles 10-22 will provide opportunities to gain speed, while humidity at 64% may require hydration strategies throughout. A light rain may occur, so a throwaway layer could be beneficial before the race.
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Race Info
The Tokyo Marathon starts at the Tokyo Metropolitan Government Building in Shinjuku and finishes at Tokyo Station, passing the Kaminarimon Gate in Asakusa on a mostly flat course. Benson Kipruto set the men's course record of 2:02:16 in 2024 and Brigid Kosgei set the women's course record of 2:14:29 in 2026. It's one of the seven Abbott World Marathon Majors and a World Athletics Platinum Label race, held on the first Sunday of March. It is Japan's largest marathon, with a 40,000-runner field filled by lottery.
