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Marathon Calendar South East (England) 2026-2027

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Monthly updates for South East (England)

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Explore the best marathons in South East (England) for 2026-2027! Our updated list features 133 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

February 2026
Feb
21
Sa

Running Tribe Races

Trail Run 7 km 10 km ... 30 mi 40 mi
Feb
22
Su

BigMud Trails (EARTH)

Trail Run 16 mi 26 mi 50 km
Feb
28
Sa

Saturn Running - Staines-upon-Thames

3 km 5 km ... 50 km 7 hr
March 2026
Mar
6
Fr

Saturn 7 Hour Time Challenge - Staines-upon-Thames

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

Saturn Running - Midweek Chasing Numbers

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

Endurancelife | Sussex

Trail Run 6 mi 13 mi 26 mi 33 mi
Mar
8
Su

Steyning Stinger

Trail Run Half Marathon 30 km Marathon
Mar
9-15
Mo - Su

Enigma Week at the Knees

Marathon
Mar
14
Sa

Saturn Running - Staines-upon-Thames

3 km 5 km ... 50 km 7 hr
Mar
14
Sa

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Mar
14
Sa

Phoenix Running - Hampshire

Backyard Ultra 3 mi 13 mi 26 mi 29 mi
Mar
21
Sa

Winter's End - 50 Mile Ultra & Marathon

Trail Run 26 mi 50 mi
Mar
22
Su

Y2Y North Downs Trek / Run

Trail Run 14 mi 26 mi
Mar
22
Su

Saturn Running - Staines-upon-Thames

3 km 5 km ... 50 km 7 hr
Mar
29
Su

Running Tribe Races

Trail Run 7 km 10 km ... 30 mi 40 mi
April 2026
Apr
2
Th

Saturn Running - Staines-upon-Thames

3 km 5 km ... 50 km 8 hr
Apr
2
Th

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Apr
3
Fr

Saturn 7 Hour Time Challenge - Wraysbury

Trail Run 3 km 7 km ... Marathon 50 km
Apr
3
Fr

Saturn Running - Egham

Trail Run 3 km 5 km ... Marathon 50 km
Apr
4
Sa

The Enigma Easter Series

Half Marathon Marathon 50 km