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Half Marathon calendar South East (England) 2025-2026

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Explore the best half marathons in South East (England) for 2025-2026! Our updated list features 158 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

August 2025
Aug
17
Sunday

Saturn 7 Hour Time Challenge

5 km 7 km ... 26 mi 50 km
Aug
24
Sunday

Woldingham Marathon

Trail Run 13 mi 26 mi
Aug
30
Saturday

Henley River Half Marathon

Trail Run 10 km 13 mi
Aug
30
Saturday

Saturn Running - Staines-upon-Thames

5 km 4 mi ... 26 mi 50 km
Aug
31
Sunday

Southampton Running Festival

Trail Run 5 km 10 km 13 mi
September 2025
Sep
6
Saturday

Andover Trail Marathon

Trail Run 13 mi 26 mi
Sep
6
Saturday

The Shere 42k Multi Terrain Event

Trail Run 10 km 21 km 42 km
Sep
7
Sunday

Bradenham Blast

Trail Run 5 km 10 km 13 mi
Sep
7
Sunday

The Sufferings

Trail Run 13 mi 26 mi 39 mi
Sep
7
Sunday

Bacchus Wine Half Marathon

10 km 13 mi
Sep
7
Sunday

Julie Rose Marathon

13 mi 26 mi
Sep
12
Friday

Saturn Running - Englefield Green

5 km 7 km ... 26 mi 50 km
Sep
13
Saturday

Bewl Water Autumn

Trail Run 10 km 13 mi 26 mi 50 km
Sep
13-14
Sa - Su

Coronation Scot Railway Run

13 mi 26 mi
Sep
14
Sunday

New Forest Marathon

5 km 10 km 13 mi 26 mi
Sep
14
Sunday

Midnight Half, Full and Ultra Marathon

13 mi 26 mi
Sep
20
Saturday

Guided Half Marathon - Winchester

Trail Run 13 mi
Sep
21
Sunday

Winchester Half Marathon

13 mi
Sep
21
Sunday

Hospice Run - Tunbridge Wells

5 km 10 km 13 mi
Sep
21
Sunday

Run Reigate Half Marathon

5 km 10 km 13 mi
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