Phoenix Running - Trelewis

Trelewis, United Kingdom • 11 Jul 2026

Phoenix Running South Wales Butterfly Run

The event is organised by Phoenix Running South Wales at the Rock UK Summit Centre near Trelewis, Merthyr Tydfil, and uses a 5.3 km, 3.28 mile out and back lap through Parc Taf Bargoed. The course is multi terrain, with the majority on tarmac paths and about 0.5 miles on a riverside trail. Each lap has approximately 37 m elevation gain and loss.

This is a timed event where participants choose how many laps to complete within a seven hour time limit. The minimum distance is one lap, 3.28 miles. The event offers a range of distance options:

  • 5 km
  • 10 km
  • Half marathon
  • Marathon
  • Ultra distance options by completing additional laps

Organisers provide finishers medals to attended participants and offer a lower cost no medal entry option. The event uses flexible rock up and run start times to accommodate different arrival times. Entry categories include affiliated and unaffiliated fees. The event is licensed by Welsh Athletics, race licence 26MTWA00309. Places are limited and the event includes event support such as aid stations and same day results. Visit the organization's website for the most recent information.

Race information

Marathon
Marathon
Half Marathon
Half Marathon
10 km
10k
3 mi
Lap Distance
5 km
Ultra
7 Hour Timed Run
Visit the organization's website for the most recent information.
Trail runs nearby

A fell race held since 1986 near Blaenavon at The Whistle Inn, Garn yr Erw. The event is Category BS with options of 8 km or 5 miles and accepts entries on the day or online.

Mountain fell race in the Brecon Beacons covering 34 km with 1700 m ascent and eight summits. The anticlockwise route includes Fan y Big, has two checkpoint cutoffs at key points, and is open to runners over 18.

A seven hour Time Challenge at Dare Valley Country Park offering flexible lap distances and themed finisher medals featuring familiar characters. The event includes aid stations, goody bags with vegan options, free parking and distance achi..

A 7-mile multi-terrain race on the Oakdale plateau that starts and finishes by wind turbines and loops the village of Manmoel. Selected as the second race in the East Wales Road Race Championships, with entry fees for UKA and non-affiliated..

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.