Training start dates for London 2027
| Plan | Week 1 starts | Peak week (3-week taper) | Taper starts |
|---|---|---|---|
| 12 weeks | Mon 1 Feb 2027 | Mon 29 Mar 2027 | Mon 5 Apr 2027 |
| 14 weeks | Mon 18 Jan 2027 | Mon 29 Mar 2027 | Mon 5 Apr 2027 |
| 16 weeks | Mon 4 Jan 2027 | Mon 29 Mar 2027 | Mon 5 Apr 2027 |
| 18 weeks | Mon 21 Dec 2026 | Mon 29 Mar 2027 | Mon 5 Apr 2027 |
| 20 weeks | Mon 7 Dec 2026 | Mon 29 Mar 2027 | Mon 5 Apr 2027 |
| 24 weeks | Mon 9 Nov 2026 | Mon 29 Mar 2027 | Mon 5 Apr 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 London
Good for Age is open to UK residents only and capped at 6,000 places (3,000 men and 3,000 women), allocated fastest-first relative to age and qualifying time. Times must be under (‘sub’) the standard. See the full London qualifying standards for your age group.
Other majors
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