Nailsea close

Marathon Calendar near Nailsea 2025-2026

Monthly updates for Nailsea

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

Explore the top marathons near Nailsea for 2025-2026! We've gathered 12 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
14
Sa

Phoenix Running - Trelewis

Backyard Ultra 5 km 10 km Half Marathon Marathon
Feb
22
Su

Two Tunnels Races

Trail Run 5 km 10 km ... Marathon 50 km
March 2026
Mar
1
Su

Brecon to Cardiff Xtreme

Trail Run Marathon 75 km
Mar
1
Su

Phoenix Running - Cardiff Bay

5 km 10 km Half Marathon Marathon
April 2026
Apr
19
Su

Newport Wales Marathon

10 km Half Marathon Marathon
Apr
19
Su

Bath & Bristol Railway Races

10 km Half Marathon ... Marathon 50 km
Apr
26
Su

St David's Day Run

5 km 10 km Half Marathon Marathon
June 2026
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
16
Su

Two Tunnels Races

Trail Run 5 km 10 km ... Marathon 50 km
September 2026
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