Half Marathon calendar South East (England) 2025-2026

Jan

4-5

Sa - Su

Winter Enigma Marathons & Half Marathon

Caldecotte, England

13 mi 26 mi

Jan

10

Friday

Saturn 7 Hour Time Challenge

Staines-upon-Thames, England

5 km 7 km ... 42 km 50 km

Jan

12

Sunday

Winchester Trail Run

Sparsholt, England

Trail Run 12 km 21 km

Jan

19

Sunday

Run Dorney Lake Half Marathon

Windsor, England

5 km 10 km 13 mi

Jan

25

Saturday

Running Tribe Series

Gerrards Cross, England

Trail Run 10 km 13 mi 26 mi 40 mi

Jan

26

Sunday

Moors Valley - Wildwood Trail Series

Ringwood, England

Trail Run 10 km 13 mi

Jan

29

Wednesday

Moors Valley Half Marathon Trail

Ringwood, England

Trail Run 10 km 13 mi

Feb

1

Saturday

Run Dorney Lake Half Marathon

Windsor, England

5 km 10 km 13 mi

Feb

7

Friday

Saturn 7 Hour Time Challenge

Staines-upon-Thames, England

5 km 7 km ... 42 km 50 km

Feb

8-9

Sa - Su

Xterra Matterley

Winchester, England

Trail Run 7 km 14 km 13 mi

Feb

8

Saturday

New Forest North Trail Run

Stoney Cross, England

Trail Run 16 km 21 km

Feb

9

Sunday

Running GP at Goodwood Motor Circuit Races & Duathlons

Westerton, England

5 km 10 km ... 26 mi 50 km

Feb

9

Sunday

Farnborough Winter Half Marathon

Farnborough, England

13 mi

Feb

15

Saturday

Sussex Downs Trail Run

Plumpton, England

Trail Run 13 km 21 km

Feb

16

Sunday

Southampton Running Festival

Southampton, England

Trail Run 5 km 10 km 13 mi

Feb

16

Sunday

The Headcorn Half Marathon

Headcorn, England

13 mi

Feb

21

Friday

Saturn 7 Hour Time Challenge

Staines-upon-Thames, England

5 km 7 km ... 42 km 50 km

Feb

23

Sunday

Hendy Tunbridge Wells Half Marathon

Royal Tunbridge Wells, England

13 mi

Feb

23

Sunday

The Milton Keynes Half Marathon Winter Warmer Run

Springfield, England

5 km 10 km 13 mi

Mar

1

Saturday

Kempton Park Half Marathon

Sunbury-on-Thames, England

5 km 10 km 13 mi