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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 438 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
January 2026
Jan
14
Wednesday

Hankley Common 10km

Trail Run 10 km
Jan
18
Sunday

Dorney Lake Duathlon

Duathlon
Jan
18
Sunday

Run Dorney Lake Half Marathon

5 km 10 km Half Marathon
Jan
18
Sunday

Dorney Duathlon

Duathlon
Jan
18
Sunday

Fred Hughes 10 Mile

10 mi
Jan
18
Sunday

RunThrough - Finsbury Park

5 km 10 km Half Marathon
Jan
21
Wednesday

RunThrough - Battersea Park

5 km 10 km
Jan
23
Friday

The Star Backyard Holmbury St Mary

Trail Run 5 km
Jan
24
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Jan
24
Saturday

Lee Valley Velo Park Half Marathon

5 km 10 km 10 mi Half Marathon
Jan
25
Sunday

Bromley 10k

10 km
Jan
25
Sunday

Windsor Trail Run Half Marathon

Trail Run 10 km Half Marathon
Jan
25
Sunday

Crystal Palace Half Marathon

5 km 10 km Half Marathon
Jan
25
Sunday

Essendon Country Club Charity 10k

5 km 10 km
Jan
31
Saturday

Fitstuff G3 Series

Trail Run 10 km 15 km
February 2026
Feb
1
Sunday

ATW Watford Half Marathon

10 km Half Marathon
Feb
1
Sunday

Victoria Park Half Marathon

5 km 10 km Half Marathon
Feb
6
Friday

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... 50 km 7 hr
Feb
6
Friday

Saturn Running - Midweek Chasing Numbers

3 km 5 km 7 km 50 km
Feb
7
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
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