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Marathon Calendar near Nailsea 2026-2027

Monthly updates for Nailsea

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

Explore the top marathons near Nailsea for 2026-2027! We've gathered 17 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
25
Sa

Phoenix Running - Trelewis

Backyard Ultra 5 km 10 km Half Marathon Marathon
Apr
26
Su

Phoenix Running - Cardiff Bay

5 km 10 km Half Marathon Marathon
May 2026
May
30
Sa

Phoenix Running - Trelewis

Backyard Ultra 5 km 10 km ... Marathon 7 hr
June 2026
Jun
7
Su

Two Tunnels Races

Trail Run 5 km 10 km ... Marathon 50 km
Jun
14
Su

Cheddar Gorge Challenge

Trail Run 3 km 6 km ... Half Marathon Marathon
July 2026
Jul
19
Su

Wye Valley Tunnel Run

Trail Run 10 km Half Marathon Marathon
August 2026
Aug
9
Su

Two Tunnels Races

Trail Run 5 km 10 km ... 26 mi 50 km
Aug
16
Su

Two Tunnels Races

Trail Run 5 km 10 km ... Marathon 50 km
Aug
16
Su

Bath Marathon

5 km 10 km Half Marathon Marathon
Aug
29-30
Sa - Su

Cardiff Pentath-Run

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

Phoenix Running - Trelewis

Backyard Ultra 5 km 11 km ... Marathon 7 hr
Sep
13
Su

Phoenix Running - Deri

5 km 10 km ... Marathon 7 hr
Sep
20
Su

Badminton

5 km 10 km Half Marathon Marathon
October 2026
Oct
11
Su

Bath & Bristol Railway Races

10 km Half Marathon ... Marathon 50 km
March 2027
Mar
7
Su

Barry 40 Mile Track Race

26 mi 40 mi
April 2027
Apr
11
Su

Bath & Bristol Railway Races

10 km Half Marathon ... Marathon 50 km
Apr
18
Su

Newport Wales Marathon

10 km 13 mi 26 mi
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