Training start dates for Tokyo 2027
| Plan | Week 1 starts | Peak week (3-week taper) | Taper starts |
|---|---|---|---|
| 12 weeks | Mon 14 Dec 2026 | Mon 8 Feb 2027 | Mon 15 Feb 2027 |
| 14 weeks | Mon 30 Nov 2026 | Mon 8 Feb 2027 | Mon 15 Feb 2027 |
| 16 weeks | Mon 16 Nov 2026 | Mon 8 Feb 2027 | Mon 15 Feb 2027 |
| 18 weeks | Mon 2 Nov 2026 | Mon 8 Feb 2027 | Mon 15 Feb 2027 |
| 20 weeks | Mon 19 Oct 2026 | Mon 8 Feb 2027 | Mon 15 Feb 2027 |
| 24 weeks | Mon 21 Sep 2026 | Mon 8 Feb 2027 | Mon 15 Feb 2027 |
Week 1 starts on a Monday so race day falls at the end of the final week (for a Monday race such as Boston, on the day after it).
Qualifying for Tokyo
The overseas ‘RUN as ONE’ semi-elite category has at most 25 places per gender, filled fastest-first. There are no age-group standards; everyone else enters through the general ballot. See the full Tokyo qualifying standards for your age group.
Other majors
Bostontraining start datesLondontraining start datesChicagotraining start datesNYCtraining start datesBerlintraining start datesSydneytraining start dates
Build a custom calendar with the training start date calculator and set paces with the Pfitzinger or Hansons calculators.
Last reviewed: October 2026 · Health disclaimer