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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 running races in Wales for 2026-2027! Our updated list features 335 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 Fitness Races
November 2026
Nov
29
Su

Newport 10K

10 km
Nov
29
Su

Hospice of the Valleys Chase the Christmas Pudding Festive Family Fun Run

Nov
29
Su

Ras y Mast

Trail Run 7 mi
December 2026
Dec
4
Fr

Dash in the Dark

Trail Run 6 km
Dec
5
Sa

Alyn Waters Winter Trails

Trail Run 5 km 10 km
Dec
5
Sa

Llandudno 5K Santa Dash

5 km
Dec
6
Su

The Great Christmas Fun Run

5 km 10 km
Dec
6
Su

Sea 2 Summit - Offa's Dyke Half/Full/Ultra

Trail Run Half Marathon Marathon 56 km
Dec
11
Fr

Trail by Torchlight

Trail Run 8 km
Dec
12
Sa

Celtic Trail Races

Trail Run 13 mi 26 mi 34 mi
Dec
12
Sa

Barmouth Santa Dash

2 mi
Dec
13
Su

Festive 10K

10 km
Dec
19
Sa

Nightmare before Xmas Trail ½ Marathon

Trail Run 13 mi
Dec
19
Sa

Moel Famau Festive 'Piece of String' Race

Trail Run 6 km
Dec
19
Sa

Skirrid Xmas Hill Race

Trail Run 6 km
Dec
20
Su

Saturn Running - Cwmdare

Trail Run 3 km 5 km ... Marathon 50 km
Dec
27
Su

Jubilee Drop

Trail Run 4 km
Dec
29
Tu

The Brussel Buster

Trail Run 16 km
January 2027
Jan
10
Su

Vale of Clwyd 5k

5 km
Jan
24
Su

Chepstow Running Festival Half Marathon

5 km 10 km Half Marathon
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