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

December 2025
Dec
5
Friday

Saturn Running - Staines-upon-Thames

3 km 7 km ... 42 km 50 km
Dec
6
Saturday

Saturn 7 Hour Time Challenge

3 km 7 km ... 42 km 50 km
Dec
7
Sunday

Running GP at Goodwood Motor Circuit Races & Duathlons

5 km 10 km ... 42 km 50 km
Dec
7
Sunday

New Forest Xmas Trails

Trail Run 15 km 30 km 42 km 50 km
Dec
14
Sunday

Mince Pi Run - Races of 2 Decimal Places

Trail Run 3 mi 42 km 31 mi
Dec
24
Wednesday

Die Hard Christmas Marathon

Trail Run 21 km 42 km
Dec
25
Thursday

Saturn Running - Englefield Green

3 km 7 km ... 42 km 50 km
Dec
25
Thursday

Saturn 7 Hour Time Challenge

3 km 7 km ... 42 km 50 km
Dec
27
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... 42 km 50 km
January 2026
Jan
1
Thursday

Saturn 7 Hour Time Challenge

3 km 7 km ... 42 km 50 km
Jan
3-4
Sa - Su

FA Cup Run Marathons

21 km 42 km
Jan
9
Friday

Saturn 7 Hour Time Challenge

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

Saturn Running - Staines-upon-Thames

3 km 7 km ... 42 km 50 km
Jan
18
Sunday

South Downs & Arundel Winter Trails

Trail Run 15 mi 42 km
Jan
24
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... 42 km 50 km
February 2026
Feb
5-8
Th - Su

Enigma Quadzilla

42 km
Feb
6
Friday

Saturn 7 Hour Time Challenge

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

Saturn Running - Staines-upon-Thames

3 km 7 km ... 42 km 50 km
Feb
14
Saturday

Saturn 7 Hour Time Challenge

3 km 7 km ... 42 km 50 km
Feb
14
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... 42 km 50 km
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