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Trail Running Calendar Wales 2025-2026

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Explore the best trail runs in Wales for 2025-2026! Our updated list features 102 exciting races across the region. Find your next race in Wales below and join the running community at these great events!

August 2025
Aug
9
Saturday

Open to Offas

Trail Run 15 mi 24 mi 52 km
Aug
16
Saturday

Beast of Llangattock

Trail Run 10 km 10 mi 20 mi 32 mi
Aug
17
Sunday

Beast Of Bryn

Trail Run 6 mi 10 mi
Aug
29-31
Fr - Su

Ring O' Fire

Trail Run 47 mi 130 mi
September 2025
Sep
1-6
Mo - Sa

Montane Dragon's Back Race

Trail Run 380 km
Sep
5
Friday

The Dee Way 120

Trail Run 60 mi 120 mi
Sep
6
Saturday

The Ridum

Trail Run 30 mi
Sep
6
Saturday

Yr Wyddfa Ultra 50

Trail Run 45 mi
Sep
6
Saturday

Yr Wyddfa Ultra 100

Trail Run 100 mi
Sep
6
Saturday

RunThrough Snowdonia Sea2Sky

Trail Run 25 km 53 km
Sep
7
Sunday

2 Hillforts Hill Race

Trail Run 9 mi
Sep
12
Friday

Snowdonia Mountain Skills Weekend

Trail Run 5 mi 8 mi 10 mi
Sep
20
Saturday

The Maverick X Series Afan Forest

Trail Run 10 km 25 km 42 km 50 km
Sep
20
Saturday

Abersoch Half Marathon

Trail Run Road Race 13 mi
Sep
21
Sunday

Pumsaint Trail Half Marathon

Trail Run 10 km 21 km
Sep
27
Saturday

Town to Tower 10K

Trail Run 10 km
October 2025
Oct
4
Saturday

Gower Ultra 50, Ultra Bach & Trail Race

Trail Run 37 km 54 km 80 km
Oct
11
Saturday

The Loop Ultra - Dolanog

Trail Run 50 km
Oct
12
Sunday

Breidden Hills

Trail Run 11 km
Oct
18
Saturday

Loggerheads Autumn Trails

Trail Run 7 km 14 km
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