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Half Marathon calendar near Watford 2025-2026

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Explore the top half marathons near Watford for 2025-2026! We've gathered 126 exciting races in the area. Check out our detailed list below to find your next local race.

July 2025
Jul
6
Sunday

Richmond Park Half Marathon

13 mi
Jul
6
Sunday

The Richmond Summer Riverside 10k and Half Marathon Run

10 km 13 mi
Jul
13
Sunday

Run Dorney Lake Marathon

5 km 10 km 13 mi
Jul
18
Friday

Saturn Running - Wraysbury

5 km 4 mi ... 26 mi 50 km
Jul
19
Saturday

Hughenden Valley Half Marathon

Trail Run 13 mi
Jul
20
Sunday

Fix Events - Richmond Park Half Marathon

5 km 10 km 13 mi
Jul
20
Sunday

Bright Skies - Surrey Hills

Trail Run 10 km 10 mi 13 mi
Jul
27
Sunday

RunUk - Wimbledon Half Marathon

10 km 13 mi
Jul
27
Sunday

Run Dorney Half Marathon

5 km 10 km 13 mi
August 2025
Aug
1
Friday

Saturn Running - Englefield Green

5 km 7 km ... 26 mi 50 km
Aug
3
Sunday

Vanguard Way Marathon

Trail Run 13 mi 26 mi
Aug
9
Saturday

Run Dorney Lake Marathon

5 km 10 km 13 mi 26 mi
Aug
9
Saturday

Thames Meander Summer

Trail Run 10 km 13 mi 26 mi
Aug
9
Saturday

Saturn Running - Staines-upon-Thames

5 km 4 mi ... 26 mi 50 km
Aug
10
Sunday

Richmond Park Half Marathon

13 mi
Aug
15
Friday

Saturn Running - Wraysbury

5 km 4 mi ... 26 mi 50 km
Aug
17
Sunday

Burnham Beeches Half Marathon

10 km 13 mi
Aug
17
Sunday

Fix Events - Richmond Park Half Marathon

5 km 10 km 13 mi
Aug
17
Sunday

Saturn Running - Staines-upon-Thames

5 km 4 mi ... 26 mi 50 km
Aug
23
Saturday

RunThrough - Lee Valley VeloPark

5 km 10 km 10 mi 13 mi
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