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Half Marathon Calendar near London 2025-2026

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Explore the top half marathons near London for 2025-2026! We've gathered 159 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
21
Saturday

Saturn Running - Staines-upon-Thames

13 mi 16 mi 18 mi 22 mi
Mar
21
Saturday

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Mar
21
Saturday

Surrey Hills Half Marathon

Trail Run 13 mi
Mar
22
Sunday

Surrey Half Marathon

5 km Half Marathon
Mar
22
Sunday

ATW Run Fest at Lee Valley

10 km Half Marathon
Mar
22
Sunday

Brentwood Half Marathon

Half Marathon
Mar
22
Sunday

Windsor Trail Run Half Marathon

Trail Run 10 km Half Marathon
April 2026
Apr
2
Thursday

Saturn Running - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Apr
2
Thursday

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Apr
2
Thursday

Saturn Running - Englefield Green

3 km 7 km ... Marathon 50 km
Apr
3
Friday

Victoria Park Half Marathon

5 km 10 km Half Marathon
Apr
3
Friday

Saturn 7 Hour Time Challenge - Wraysbury

Trail Run 3 km 7 km ... Marathon 50 km
Apr
4
Saturday

Run Dorney Lake Half Marathon

5 km 10 km Half Marathon
Apr
5
Sunday

RunUk - Putney & Fulham Half Marathon

Half Marathon
Apr
6
Monday

Stevenage Spring Half Marathon

10 km Half Marathon
Apr
11
Saturday

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Apr
11
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Apr
12
Sunday

London Landmarks Half Marathon

Half Marathon
Apr
17
Friday

Saturn Running - Midweek Medal Madness Run

3 km 7 km ... Marathon 50 km
Apr
18
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
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