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Marathon Calendar near Harwell 2026-2027

Monthly updates for Harwell

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

Explore the top marathons near Harwell for 2026-2027! We've gathered 6 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
24
Tu

Elephant Challenge - Harwell

Trail Run 5 km Half Marathon Marathon 80 km
May 2026
May
9-10
Sa - Su

Goring Gap Trails

Trail Run 6 mi Half Marathon ... 52 km 50 mi
June 2026
Jun
14
Su

The Hampshire Hoppit

Trail Run 10 km Half Marathon Marathon
October 2026
Oct
4
Su

Wild Run - Cotswolds

Trail Run 10 km Half Marathon Marathon 6 hr
Oct
25
Su

Windsor Dorney Lakeside Marathon

5 km 10 km Half Marathon Marathon
November 2026
Nov
1
Su

Wendover Woods Marathon

Trail Run 10 km Half Marathon Marathon