Half Marathon Calendar near Harrow 2025-2026

Aug

30

Sunday

Woldingham Marathon

Woldingham | 24 mi from Harrow

Trail Run 13 mi 26 mi

Sep

5

Saturday

Henley River Half Marathon

Henley-on-Thames | 24 mi from Harrow

Trail Run 10 km Half Marathon

Sep

6

Sunday

Wimbledon Half Marathon

London | 10 mi from Harrow

10 km Half Marathon

Sep

13

Sunday

Bacchus Wine Half Marathon

Dorking | 24 mi from Harrow

10 km Half Marathon

Sep

13

Sunday

Richmond Park Half Marathon

Richmond | 8 mi from Harrow

Trail Run 13 mi

Sep

20

Sunday

Bradenham Blast

High Wycombe | 18 mi from Harrow

Trail Run 5 km 10 km Half Marathon

Sep

20

Sunday

Run Reigate Half Marathon

Reigate | 24 mi from Harrow

5 km 10 km Half Marathon

Sep

26

Saturday

Run Dorney Lake Half Marathon

Windsor | 13 mi from Harrow

5 km 10 km Half Marathon

Sep

27

Sunday

Windsor Half Marathon

Windsor | 13 mi from Harrow

Half Marathon

Sep

27

Sunday

Ealing Half Marathon

London | 10 mi from Harrow

13 mi

Oct

3

Saturday

Run Dorney Lake Half Marathon

Windsor | 13 mi from Harrow

5 km 10 km Half Marathon

Oct

4

Sunday

Welwyn Half Marathon

Welwyn Garden City | 16 mi from Harrow

10 km Half Marathon

Oct

4

Sunday

Kingston Half Marathon

Kingston upon Thames | 11 mi from Harrow

Half Marathon

Oct

11

Sunday

Hampton Court Palace Half Marathon

Molesey | 12 mi from Harrow

Half Marathon

Oct

24

Saturday

Lee Valley Velo Park Half Marathon

London | 10 mi from Harrow

5 km 10 km 10 mi Half Marathon

Nov

8

Sunday

Windsor Trail Run Half Marathon

Windsor | 13 mi from Harrow

Trail Run 10 km Half Marathon

Nov

8

Sunday

Run Dorney Lake Half Marathon

Windsor | 13 mi from Harrow

5 km 10 km Half Marathon

Nov

22

Sunday

Wimbledon Half Marathon

London | 10 mi from Harrow

10 km Half Marathon

Nov

29

Sunday

RunThrough - Finsbury Park

London | 10 mi from Harrow

5 km 10 km Half Marathon

Dec

5

Saturday

Box Hill Vertical KM

Dorking | 24 mi from Harrow

Trail Run 13 mi