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Half Marathon Calendar near Tretower 2025-2026

Monthly updates for Tretower

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

Explore the top half marathons near Tretower for 2025-2026! We've gathered 54 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
14
Su

8 Maids a Milking

Trail Run 5 km 10 km Half Marathon Marathon
Dec
18
Th

12 Drummers Drumming Run

Trail Run 5 km 10 km Half Marathon Marathon
Dec
20
Sa

Nightmare before Xmas Trail ½ Marathon

Trail Run 13 mi
January 2026
Jan
12
Mo

The Slothful Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
12-18
Mo - Su

The 7 Deadly Sins 7in7

Trail Run 5 km 10 km Half Marathon Marathon
Jan
13
Tu

The Proud Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
14
We

The Lusty Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
15
Th

The Angry Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
16
Fr

The Gluttonous Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
17
Sa

The Greedy Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
18
Su

The Envious Run

Trail Run 5 km 10 km Half Marathon Marathon
Jan
24
Sa

Saturn Running - Cwmdare

Trail Run 3 km 7 km ... Marathon 50 km
Jan
24
Sa

Saturn Running - Aberdare

Backyard Ultra 3 km 5 km ... Marathon 50 km
Jan
25
Su

Chepstow Running Festival Half Marathon

5 km 10 km Half Marathon
February 2026
Feb
1
Su

The Cardiff Half Marathon Winter Warmer Run

5 km 10 km Half Marathon
Feb
14
Sa

Phoenix Running - Trelewis

Backyard Ultra 5 km 10 km Half Marathon Marathon
March 2026
Mar
1
Su

St David's Day Run

5 km 10 km Half Marathon
Mar
1
Su

City Of Newport Half Marathon

Half Marathon
Mar
1
Su

Saturn Running - Cwmdare

Trail Run 3 km 7 km ... Marathon 50 km
Mar
1
Su

Phoenix Running - Cardiff Bay

5 km 10 km Half Marathon Marathon