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Marathon Calendar near South Downs National Park 2025-2026

Monthly updates for South Downs National Park

Get new running races (and updates) in your inbox every month.

Explore the top marathons near South Downs National Park for 2025-2026! We've gathered 23 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
31
We

Phoenix Running - Ardingly

Trail Run 5 km 10 km ... Marathon 7 hr
January 2026
Jan
18
Su

South Downs & Arundel Winter Trails

Trail Run 15 mi Marathon
Jan
18
Su

Phoenix Running - Southwater

Trail Run 5 km 10 km Half Marathon Marathon
February 2026
Feb
8
Su

Running GP at Goodwood Motor Circuit Races & Duathlons

5 km 10 km ... Marathon 50 km
Feb
15
Su

Phoenix Running - Southwater

Trail Run 5 km 10 km Half Marathon Marathon
Feb
22
Su

BigMud Trails (EARTH)

Trail Run 16 mi Marathon 50 km
March 2026
Mar
8
Su

Steyning Stinger

Trail Run Half Marathon 30 km Marathon
Mar
22
Su

Y2Y North Downs Trek / Run

Trail Run 14 mi 26 mi
April 2026
Apr
11-12
Sa - Su

Brighton Marathon Weekend

10 km 26 mi
Apr
12
Su

The Maverick Brighton Trail Marathon

Trail Run Marathon
May 2026
May
2-4
Sa - Mo

Mid Sussex Marathon Weekend

Trail Run 3 mi 10 km 10 mi 26 mi
May
3
Su

Three Forts Challenge

Trail Run 5 mi Half Marathon Marathon
May
17
Su

Phoenix Running - Ewhurst

Trail Run 5 km 10 km Half Marathon Marathon
May
23-24
Sa - Su

London 2 Brighton Ultra Challenge

Trail Run 25 km 33 km ... 75 km 100 km
June 2026
Jun
20
Sa

Centaur 100 Mile Ultra

Trail Run 13 mi 26 mi ... 100 mi 24 hr
Jun
20
Sa

Denbies Marathon & Half Marathon

Trail Run Half Marathon Marathon
Jun
20
Sa

Hydra 75 Mile Ultra

Trail Run 13 mi 26 mi ... 100 mi 24 hr
July 2026
Jul
18-19
Sa - Su

BigHeat Trails (FIRE)

Trail Run 12 km 16 mi Marathon 50 km
August 2026
Aug
8
Sa

Phoenix Running - Westhumble

Trail Run 5 km 10 km Half Marathon Marathon
September 2026
Sep
12
Sa

The Shere 42k Multi Terrain Event

Trail Run 10 km Half Marathon Marathon