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Marathon Calendar near West Sussex 2025-2026

Monthly updates for West Sussex

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

Explore the top marathons near West Sussex for 2025-2026! We've gathered 21 exciting races in the area. Check out our detailed list below to find your next local race.

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
April 2026
Apr
11-12
Sa - Su

Brighton Marathon Weekend

10 km 26 mi
May 2026
May
3
Su

Three Forts Challenge

Trail Run 5 mi Half Marathon Marathon
May
3
Su

Southampton Marathon

5 km 10 km Half Marathon Marathon
May
4
Mo

BigWayRound - Winchester

Trail Run 14 mi 19 mi Marathon 50 km
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
July 2026
Jul
18-19
Sa - Su

BigHeat Trails (FIRE)

Trail Run 12 km 16 mi Marathon 50 km
August 2026
Aug
23
Su

The Big Pilgrimage

Trail Run 15 mi Marathon
September 2026
Sep
12
Sa

The Shere 42k Multi Terrain Event

Trail Run 10 km Half Marathon Marathon
Sep
13
Su

The Farnham Pilgrim Marathon

Trail Run Half Marathon Marathon
October 2026
Oct
4
Su

Isle of Wight Marathon

Marathon
Oct
11
Su

Running GP at Goodwood Motor Circuit Races & Duathlons

5 km 10 km ... Marathon 50 km