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Half Marathon Calendar South East (England) 2026-2027

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Monthly updates for South East (England)

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Explore the best half marathons in South East (England) for 2026-2027! Our updated list features 219 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

January 2026
Jan
9
Fr

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... 50 km 7 hr
Jan
9
Fr

Saturn Running - Midweek Chasing Numbers

3 km 5 km ... 50 km 7 hr
Jan
9
Fr

Phoenix Fridays

Backyard Ultra 5 km 10 km Half Marathon Marathon
Jan
10
Sa

Saturn Running - Staines-upon-Thames

3 km 5 km ... Marathon 50 km
Jan
11
Su

Winchester Trail Run

Trail Run 12 km Half Marathon
Jan
17
Sa

Phoenix Running - Walton-on-Thames

Trail Run 5 km 10 km Half Marathon Marathon
Jan
18
Su

Run Dorney Lake Marathon

5 km 10 km Half Marathon
Jan
18
Su

Phoenix Running - Southwater

Trail Run 5 km 10 km Half Marathon Marathon
Jan
23
Fr

Phoenix Fridays

Backyard Ultra 5 km 10 km Half Marathon Marathon
Jan
24
Sa

Saturn Running - Staines-upon-Thames

3 km 5 km ... Marathon 50 km
Jan
24
Sa

Running Tribe Races

Trail Run 7 km 10 km ... 30 mi 40 mi
Jan
25
Su

Moors Valley Wildwood Half Marathon Trail

Trail Run 11 km 13 mi
Jan
25
Su

Windsor Trail Run Half Marathon

Trail Run 10 km Half Marathon
Jan
31
Sa

Phoenix Running - Hampshire

Backyard Ultra 3 mi 13 mi 26 mi 29 mi
February 2026
Feb
6
Fr

Saturn 7 Hour Time Challenge - Staines-upon-Thames

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

Saturn Running - Midweek Chasing Numbers

3 km 5 km ... 50 km 7 hr
Feb
7
Sa

Saturn Running - Staines-upon-Thames

3 km 5 km ... 50 km 100 km
Feb
7
Sa

Run Dorney Lake Marathon

5 km 10 km Half Marathon
Feb
7
Sa

Phoenix Running - Walton-on-Thames

Trail Run 5 km 11 km Half Marathon Marathon
Feb
8
Su

Farnborough Half Marathon

Half Marathon