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Trail Running Calendar Wales 2026-2027

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Monthly updates for Wales

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

Explore the best trail runs in Wales for 2026-2027! Our updated list features 169 exciting races across the region. Find your next race in Wales below and join the running community at these great events!

May 2027
May
15
Sa

Gwyn Matthews’ Rhondda Rollercoaster

Trail Run Walk 16 mi 27 mi
May
23
Su

Margam Wild Trail Runs

Trail Run 5 km 10 km Half Marathon
May
29
Sa

Welsh Festival of Running

Trail Run 5 km 10 km ... 50 km 80 mi
May
29
Sa

Heart of Wales Line (HOWL)

Trail Run 16 mi 26 mi 50 mi
June 2027
Jun
4
Fr

Pegasus - The VOGUM

Trail Run
Jun
5
Sa

Welsh 1000m Short Fell Race

Trail Run
Jun
16
We

Mid Wales 200

Trail Run 200 mi
Jun
19
Sa

GB Ultras - Ultra Wales 50

Trail Run 51 mi
July 2027
Jul
5
Mo

Calon Lân 300

Trail Run 300 mi
Jul
10-11
Sa - Su

Snowdonia Trail Marathon Eryri

Trail Run 10 km 13 mi 29 mi 58 km
Jul
17-18
Sa - Su

Gower Peninsula Ultra Challenge

Trail Run Walk 10 mi 25 km ... 75 km 100 km
Jul
17
Sa

Rabbit Run Wales

Trail Run 12 km Half Marathon Marathon
Jul
17
Sa

International Snowdon Race

Trail Run 15 km
Jul
18
Su

The Drop - Aberystwyth

Trail Run Walk 6 mi 10 mi 15 mi 25 mi
Jul
24-25
Sa - Su

Beacons Way Ultra 100 Mile

Trail Run 100 km 100 mi
Jul
24
Sa

Ogwen | Yr Helgi Du

Trail Run 15 km 25 km 40 km
Jul
24
Sa

The Drop - Cardiff

Road Race Trail Run Walk 6 mi 10 mi 15 mi
Jul
25
Su

Pen Y Fan Challenge

Trail Run 5 mi 13 mi
August 2027
Aug
14
Sa

Sirona 100

Trail Run 100 km 100 mi
Aug
29
Su

Dragon Slayer Ultra

Trail Run 35 mi
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