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Running Calendar near Builth Wells 2025-2026

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Monthly updates for Builth Wells

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

Explore the top running races near Builth Wells for 2025-2026! We've gathered 44 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
December 2025
Dec
26
Fr

Festive 5 Boxing Day Race

5 km
Dec
27
Sa

Midwinter Mortimer Trail

Trail Run 16 mi 30 mi
January 2026
Jan
10
Sa

Reservoir Roundabout

Trail Run 12 mi 20 mi
Jan
25
Su

Resolution Run 5k

5 km
February 2026
Feb
14
Sa

Trails & Tarmac Backyard Ultra

Backyard Ultra 4 mi
March 2026
Mar
7
Sa

Rhayader Round the Lakes

10 km 30 km
Mar
14
Sa

Nant yr Arian Silver Trail

Trail Run 2 mi 3 mi 10 km 13 mi
Mar
22
Su

Merthyr Half Marathon

Half Marathon
Mar
29
Su

San Domenico 20M

10 mi 20 mi
April 2026
Apr
3
Fr

Leominster 10k Easter

5 km 10 km
Apr
12
Su

Hospice of the Valleys Six Mile Race

10 km
Apr
17
Fr

MTC Pendragon

46 mi
Apr
18
Sa

MTC Afanc

Trail Run 40 mi
Apr
18
Sa

Beast Of The Beacons

Trail Run 10 mi 20 mi 40 mi
Apr
18-19
Sa - Su

Cymoedd Sir Fynwy

Trail Run 20 mi 30 mi 50 mi
Apr
19
Su

MTC Y Draig Goch

Trail Run 35 mi
May 2026
May
2-3
Sa - Su

Rasus y Bannau

Trail Run 43 km 75 km 100 km
May
2
Sa

Pegasus - The HOWUM

Trail Run 30 mi
May
9
Sa

Tenacious Ten Endurance Challenge

Backyard Ultra 3 mi
May
9-10
Sa - Su

Epona 100

Trail Run 100 mi