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Running Calendar Wales 2026-2027

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Explore the best running races in Wales for 2026-2027! Our updated list features 303 exciting races across the region. Find your next race in Wales below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons
September 2027
Sep
19
Su

Ironman Wales

Triathlon Full distance 3.8 180 42.2 km
Sep
19
Su

Pumsaint Trail Half Marathon

Trail Run 7 mi 13 mi
Sep
20
Mo

Welsh 3 Peaks Race

Trail Run 53 km 54 km ... 117 km 295 km
Sep
25
Sa

Last One Standing - Abersoch

Trail Run Backyard Ultra 5 km
Sep
25
Sa

Yr Wyddfa Sea to Summit

Trail Run 21 mi 29 mi
Monthly updates for Wales

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Sep
26
Su

Pembrokeshire Half Marathon

10 km Half Marathon
Sep
26
Su

Superfeet Sandman Triathlon & Duathlon

Triathlon Sprint 750 m 22.8 5.7 km Sprint 2 23 5.7 km Olympic 1500 m 42.3 10.2 km Middle distance 1900 m 93 20 km
October 2027
Oct
1-2
Fr - Sa

SAS Endurance

Trail Run 32 km 64 km
Oct
3
Su

Cardiff Half Marathon

13 mi
Oct
14
Th

Lon Las Cymru

Road Race Trail Run 250 mi
Oct
17
Su

Great Welsh Marathon Events

10 km Half Marathon Marathon
November 2027
Nov
6
Sa

OTT Ultra Marathon

Trail Run 30 mi
Nov
13
Sa

Black Sheep Winter

Trail Run 60 km
February 2028
Feb
16
We

The MTC Hafren Ultra

Trail Run 27 mi
Feb
16-20
We - Su

The MTC Severn Challenge

Trail Run 26 mi 30 mi ... 59 mi 220 mi
Feb
17
Th

The MTC Severn Plod Ultra

Trail Run 48 mi
July 2028
Jul
4
Tu

MTC Angelystor

38 mi
Jul
5
We

MTC Cerridwen

50 mi
Jul
6
Th

MTC Gelert

Trail Run 47 mi
Jul
7
Fr

MTC Pendragon

46 km
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