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Trail Running Calendar near Hafren Forest 2025-2026

Monthly updates for Hafren Forest

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

Explore the top trail runs near Hafren Forest for 2025-2026! We've gathered 18 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
10
Sa

Reservoir Roundabout

Trail Run 12 mi 20 mi
Jan
31
Sa

Tarrenhendre Fell Race

Trail Run 6 mi
February 2026
Feb
28
Sa

Castle2Castle #Ultra

Trail Run 32 mi
March 2026
Mar
14
Sa

Nant yr Arian Silver Trail

Trail Run 2 mi 3 mi 10 km 13 mi
Mar
14
Sa

Beast Of The Blacks

Trail Run 10 mi 20 mi 40 mi
Mar
21
Sa

Ras yr Aran

Trail Run 10 mi
April 2026
Apr
4
Sa

Aberdyfi Half Marathon

Trail Run
Apr
16
Th

MTC Gelert

Trail Run 47 mi
Apr
19
Su

Guided Trail Run - Penllyn Forest

Trail Run 14 km
May 2026
May
2
Sa

Pegasus - The HOWUM

Trail Run 30 mi
June 2026
Jun
20
Sa

GB Ultras - Ultra Wales 50

Trail Run 51 mi
Jun
21
Su

Lake Vyrnwy 10k

Trail Run 10 km
Jun
21
Su

Lake Vyrnwy Running Festival

Trail Run 10 km
July 2026
Jul
8
We

The MTC Hafren Ultra

Trail Run 27 mi
Jul
8-12
We - Su

Severn Challenge

Trail Run 26 mi 30 mi ... 57 mi 59 mi
Jul
9
Th

The MTC Severn Plod Ultra

Trail Run 48 mi
October 2026
Oct
10
Sa

The Loop Ultra - Dolanog

Trail Run 50 km 32 mi
Oct
11
Su

Rad Dau Gopa Aberystwyth Twin Peaks Race

Trail Run 3 km 12 km