Wales close

Marathon Calendar Wales 2026-2027

Header image

Explore the best marathons in Wales for 2026-2027! Our updated list features 44 exciting races across the region. Find your next race in Wales below and join the running community at these great events!

July 2027
Jul
17
Sa

Rabbit Run Wales

Trail Run 12 km Half Marathon Marathon
August 2027
Aug
14
Sa

Run to the Castle Ultra

Trail Run 26 mi 42 mi
October 2027
Oct
17
Su

Great Welsh Marathon Events

10 km Half Marathon Marathon
February 2028
Feb
16-20
We - Su

The MTC Severn Challenge

Trail Run 26 mi 30 mi ... 59 mi 220 mi
Monthly updates for Wales

Get new running races (and updates) in your inbox every month.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.