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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 137 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

November 2025
Nov
23
Sunday

Wendover Woods Trail Run & Canicross

Trail Run 5 km 10 km 13 mi
Nov
29
Saturday

Riverside Marathon & Half Marathon

Trail Run 13 mi 26 mi
Nov
30
Sunday

Surrey Hills Half Marathon

Trail Run 13 mi
December 2025
Dec
5-7
Fr - Su

Gremlins & Deja Vu - Marathon & Half Marathon

13 mi 26 mi
Dec
5
Friday

Saturn Running - Staines-upon-Thames

5 km 7 km ... 42 km 50 km
Dec
7
Sunday

Running GP at Goodwood Motor Circuit Races & Duathlons

5 km 10 km ... 26 mi 50 km
Dec
7
Sunday

Milton Keynes Winter Half Marathon

13 mi
Dec
21
Sunday

Saturn Running - Staines-upon-Thames

5 km 4 mi ... 26 mi 50 km
Dec
24
Wednesday

Die Hard Christmas Marathon

Trail Run 13 mi 26 mi
January 2026
Jan
3-4
Sa - Su

FA Cup Run Marathons

13 mi 26 mi
February 2026
Feb
14-15
Sa - Su

Xterra Matterley

Trail Run 7 km 14 km 21 km
Feb
22
Sunday

Dartford Half Marathon

13 mi
March 2026
Mar
1
Sunday

Brighton Half Marathon

13 mi
Mar
7
Saturday

Endurancelife | Sussex

Trail Run 10 km 13 mi 26 mi 32 mi
Mar
8
Sunday

Leith Hill Half Marathon

Trail Run 13 mi
Mar
22
Sunday

Surrey Half Marathon

5 km 13 mi
March 2027
Mar
21
Sunday

Hastings Half Marathon

13 mi
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