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OTT Ultra Marathon
TrailUnited KingdomWales

OTT Ultra Marathon2026

07.11.2026Merthyr Tydfil (United Kingdom)
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Pacing, fueling and crew sheet for the course you pick

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1 course · 48.3 km

1 course

  1. 48.3km

    1’143 m D+

    1’096 m D-

    avg 2%

    30 mi
    No index
    GPX

Course analysis

30 mi48.3 km1’143 m D+

60effort kmⓘ48.3 km on the map · feels like 60 km
D+
1’143 m
D−
1’096 m
Max alt.
881 m
Steepest
14%

Segments

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Elevation profile: 30 mi

199 m — 881 m

Feels like these

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on OTT Ultra Marathon, in one roadbook.

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The race

Take on 30 miles of pure mountain terrain across the Brecon Beacons. Expect steep climbs, technical descents and proper mountain weather.

Where to stay

Find a place to stay near Merthyr Tydfil for the race.

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