OTT Marathon

MAY
15
2027
Mountain marathon and 10 mile trail race across the Pen y Fan range at Parkwood Outdoors, Merthyr Tydfil, with marked checkpoints and variable mountain terrain.
Sat 15 May 2027
Marathon 10 miles

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OTT Trail Marathon & 10 Mile Trail Race

Off The Tarmac stages two trail races at Parkwood Outdoors, Dolygaer, Merthyr Tydfil, CF48 2UR, United Kingdom. The event offers a marathon distance and a 10 mile trail race on mountain terrain.

The course runs across the Pen y Fan range and includes sections on the ridgelines of Fan y Big and Tor y Foel. Runners should expect steep climbs, technical trail underfoot, variable mountain weather, and open summit or ridge views. The event uses marshals, checkpoints, and cut off points along the route.

Distances

  • Marathon
  • 10 Mile Trail Race

Entry options are offered for multiple ticket types; listed prices from event offers range between £24.77 and £62.76. The organiser is Off The Tarmac. The event page describes a refund and transfer policy: 75 percent refund or transfer available five months or more before the event, 50 percent refund or transfer available two months before the event, and no refunds or transfers within one month of the event. Visit the organization's website for the most recent information.

Marathon
Marathon
10 mi
10 Mile Trail Race

Events nearby

A 7 hour Time Challenge at Dare Valley Country Park with flexible distances from 3 km to ultramarathon options. Finishers receive a themed medal, distance pins and refreshments including doughnuts and ice cream.
A fell race on 3 October 2026 with a 3.2 km route and 305 m climb near Storey Arms, included in the South Wales Series; entry on the day £2.
A ridge fell race in the Black Mountains, 11.7 km with 492 m ascent, run under WFRA rules for runners aged 16 and over.
A seven hour Time Challenge at Dare Valley Country Park offering distances from 3km to 50km, themed finisher medals and distance pins, on course aid with vegan options, and basic venue facilities including toilets and free parking.
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