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Marathon calendar South East (England) 2025-2026

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Explore the best marathons in South East (England) for 2025-2026! Our updated list features 57 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

January 2025
Jan
25
Saturday

Running Tribe Series

Trail Run 10 km 13 mi 26 mi 40 mi
Jan
26
Sunday

South Downs & Arundel Winter Trails

Trail Run 15 mi 26 mi
February 2025
Feb
6-9
Th - Su

Enigma Quadzilla

26 mi
Feb
7
Friday

Saturn 7 Hour Time Challenge

5 km 7 km ... 42 km 50 km
Feb
9
Sunday

Running GP at Goodwood Motor Circuit Races & Duathlons

5 km 10 km ... 26 mi 50 km
Feb
21
Friday

Saturn 7 Hour Time Challenge

5 km 7 km ... 42 km 50 km
Feb
23
Sunday

Bigmud Meon Valley Marathon & 16 Mile

Trail Run 16 mi 26 mi
Feb
23
Sunday

BigMud Trails (EARTH)

Trail Run 16 mi 26 mi
March 2025
Mar
7
Friday

Saturn 7 Hour Time Challenge

5 km 7 km ... 42 km 50 km
Mar
8
Saturday

Endurancelife | Sussex

Trail Run 10 km 13 mi 26 mi 32 mi
Mar
10-16
Mo - Su

Enigma Week at the Knees

26 mi
Mar
22
Saturday

Winter's End - 50 Mile Ultra & Marathon

Trail Run 26 mi 50 mi
Mar
23
Sunday

Y2Y North Downs Trek / Run

Trail Run 13 mi 26 mi
April 2025
Apr
4
Friday

Saturn 7 Hour Time Challenge

5 km 7 km ... 42 km 50 km
Apr
6
Sunday

Brighton Marathon Weekend

26 mi
Apr
11
Friday

Saturn 7 Hour Time Challenge

5 km 7 km ... 42 km 50 km
Apr
12
Saturday

Saturn - Ten in Ten Series

Trail Run 26 mi
Apr
13
Sunday

Kent Spring Marathon & Half Marathon

21 km 42 km
Apr
18-19
Fr - Sa

The Enigma Easter Series

13 mi 26 mi
Apr
26
Saturday

Magna Carta Spring

Trail Run 10 km 13 mi 26 mi
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