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Half Marathon Calendar near Cumnor 2025-2026

Monthly updates for Cumnor

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

Explore the top half marathons near Cumnor for 2025-2026! We've gathered 27 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
8
Su

The One in the Woods - Henley

Trail Run 10 km Half Marathon
March 2026
Mar
15
Su

Ramsbury Half & 10km

10 km Half Marathon
Mar
22
Su

Reading Half Marathon

Half Marathon
Mar
24
Tu

Elephant Challenge - Harwell

Trail Run 5 km Half Marathon Marathon 80 km
Mar
28
Sa

Run the Wild Half Marathon

Trail Run Half Marathon
Mar
29
Su

White Horse Half Marathon

Half Marathon
April 2026
Apr
11
Sa

Henley River Half Marathon

Trail Run 10 km Half Marathon
May 2026
May
3
Su

Tempo Trail Races

Trail Run 10 km Half Marathon ... 50 km 100 km
May
16-17
Sa - Su

London West Spartan Weekend

Obstacle Run 5 km 10 km Half Marathon
June 2026
Jun
14
Su

Wendover Woods Half Marathon

Trail Run 10 km Half Marathon
Jun
14
Su

The Hampshire Hoppit

Trail Run 10 km Half Marathon Marathon
Jun
28
Su

Marlow Trail Run

Trail Run 5 km 10 km Half Marathon
Jun
28
Su

SOX 10km & Half Marathon

10 km Half Marathon
July 2026
Jul
5
Su

Chiltern Ridge Half Marathon

Trail Run Half Marathon
Jul
18
Sa

Ciderthon

5 km 13 mi
Jul
18
Sa

The Ciderthon

5 km Half Marathon
August 2026
Aug
9
Su

Newbury Racecourse Half Marathon

5 km 10 km Half Marathon
September 2026
Sep
5
Sa

Henley River Half Marathon

Trail Run 10 km Half Marathon
Sep
20
Su

Bradenham Blast

Trail Run 5 km 10 km Half Marathon
Sep
27
Su

Swindon Half Marathon

Half Marathon