2026 operating status

Know what is final.

Confirmed for 2026

Race days

Saturday 24 and Sunday 25 April 2027. 100,000 runners. First two-day edition, and the homepage says it is the only time.

Source
Awaiting 2026 detail

Clocks

Double FAQ: Saturday likely 09:00, finish close 17:30, which it calls 7 hours 45 minutes. Sunday likely 09:30. To be confirmed to participants.

Source
Awaiting 2026 detail

Course file

The course page has no GPX. It is not labeled 2027. Both days use the Greenwich to Westminster route, per the double FAQ.

Source
Read the full edition note

London Marathon · April 2027

Shakeout runs

No published shakeout for either day.

In this guide · 1 decisions
  1. 01Match the shakeout to your day

Match the shakeout to your day

Saturday and Sunday are both race days. Do not train like the other day is the race.

Continue the plan

Finish Saturday with the food planKeep dinner close, breakfast complete, and the runner out of unnecessary queues.

Edition status

The homepage and the double FAQ, opened 4 November 2026, put the race on Saturday 24 and Sunday 25 April 2027, with 100,000 runners. Saturday is likely to start at 09:00 and the finish closes at 17:30. Sunday is likely to start at 09:30. The FAQ says those clocks will be confirmed later. The course page describes the route and does not say 2027. It has no GPX.