World Marathon Major

Tokyo Marathon 2027

22 weeks to go.

How to prepare: 16-week plan

To be ready on the start line, begin specific training by Sunday, 15 November 2026. The dates below are counted back from race day.

15 November 2026 → 26 December 2026 · 16 to 11 weeks out
Aerobic base
Three or four runs a week, mostly in zone 2, with a long run growing 1-2 km a week up to 18-20 km.
27 December 2026 → 30 January 2027 · 10 to 6 weeks out
Build
Add race-pace work (tempo runs, progressions) and push the long run up to 28-32 km. This is where the marathon is decided.
31 January 2027 → 20 February 2027 · 5 to 3 weeks out
Sharpening
Peak volume, last 30-32 km long run about three weeks out. Test race-day shoes, gels and breakfast.
21 February 2027 → 7 March 2027 · last 2 weeks
Taper
Cut volume by 30-50% while keeping short race-pace segments. Sleep, carb-load in the last 2-3 days, nothing new.

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Information from public sources (September 2026). Times, courses and fees are set by the organizer: always check the official website.