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Running Calendar near Hertfordshire 2025-2026

Explore the top running races near Hertfordshire for 2025-2026! We've gathered 359 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
18
Saturday

Chiltern Ridge Classic 50k

Trail Run 50 km
Apr
19
Sunday

Dunstable Road Runners 5 mile Race

5 mi
Apr
22
Wednesday

Thames Ring 250

Trail Run 250 mi
Apr
26
Sunday

TCS London Marathon

26 mi
May 2026
May
2
Saturday

Centurion Thames Path 100

Trail Run 100 mi
May
3
Sunday

Hitchin 10K

10 km
May
3
Sunday

MK Marathon Weekend

5 km 13 mi 26 mi
May
9
Saturday

Chiltern Hills 100K

Trail Run 100 km
May
10
Sunday

Hampton Court Palace 10K

10 km
May
17
Sunday

Hemel Hempstead 10k

10 km
May
17
Sunday

RunUk - Wimbledon 10K

10 km
May
17
Sunday

RunUk - Wimbledon Half Marathon

13 mi
May
23
Saturday

Zig Zag Farmmageddon

Backyard Ultra 5 km 100 mi
May
24
Sunday

Bushy Park 10K

10 km
June 2026
Jun
28
Sunday

Marlow Trail Run

Trail Run 5 km 10 km 13 mi
October 2026
Oct
11
Sunday

Saturn Running - Staines-upon-Thames

5 km
Oct
17
Saturday

Hampton Court Palace 10K

10 km
Oct
18
Sunday

Hampton Court Palace Half Marathon

13 mi
November 2026
Nov
1
Sunday

Hertfordshire Half Marathon

10 km 21 mi
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