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Running Calendar near Harrow 2025-2026

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Explore the top running races near Harrow for 2025-2026! We've gathered 377 exciting races in the area. Check out our detailed list below to find your next local race.

August 2026
Aug
1
Saturday

North Downs 50 Ultra Challenge

Trail Run 10 km 24 km 25 km 50 km
Aug
8
Saturday

The MTC Windsor Ultra

Trail Run
Aug
9
Sunday

MTC Richmond Ultra

Aug
12
Wednesday

QE Olympic Park 10k

5 km 10 km
Aug
30
Sunday

Windsor Trail Run

Trail Run 10 km 21 km
September 2026
Sep
5
Saturday

Henley River Half Marathon

Trail Run 10 km 21 km
Sep
10
Thursday

Silent Pool 10km

Trail Run 10 km
Sep
19
Saturday

QE Olympic Park 10k

5 km 10 km
October 2026
Oct
10
Saturday

North Downs Way Ultra Run

Trail Run 30 mi
Oct
17
Saturday

Hampton Court Palace 10K

10 km
Oct
18
Sunday

Hampton Court Palace Half Marathon

21 km
Oct
28
Wednesday

QE Olympic Park 10k

5 km 10 km
November 2026
Nov
1
Sunday

Hertfordshire Half Marathon

10 km 21 mi
Nov
8
Sunday

Windsor Trail Run

Trail Run 10 km 21 km
Nov
21
Saturday

QE Olympic Park 10k

5 km 10 km
December 2026
Dec
5
Saturday

Box Hill Vertical KM

Trail Run 13 mi
Dec
9
Wednesday

QE Olympic Park 10k

5 km 10 km
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