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Marathon Calendar London 2026-2027

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Monthly updates for London

Get new running races (and updates) in your inbox every month.

Explore the best marathons in London for 2026-2027! Our updated list features 10 exciting races across the region. Find your next race in London below and join the running community at these great events!

February 2026
Feb
15
Su

Phoenix Running - Greater London

Trail Run 3 mi 7 mi ... 26 mi 28 mi
March 2026
Mar
8
Su

Thames Meander Spring

Trail Run 10 km Half Marathon Marathon
April 2026
Apr
26
Su

TCS London Marathon

Marathon
May 2026
May
24
Su

Richmond Park Marathon

Trail Run 26 mi
June 2026
Jun
28
Su

Sikhs In The City Summer Samosa Ultra

10 km 22 km Marathon 50 km
August 2026
Aug
2
Su

Vanguard Way Marathon

Trail Run 13 mi 26 mi
Aug
9
Su

Thames Meander Summer

Trail Run 10 km 13 mi 26 mi
October 2026
Oct
4
Su

Thames Meander Autumn

Trail Run 10 km 13 mi 26 mi
Oct
24
Sa

RunThrough - Battersea Park

Half Marathon Marathon
December 2026
Dec
6
Su

Sikhs in the City Dawn to Dusk Marathon & Ultra

10 km 22 km Marathon 50 km