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South Wales - Christmas Advent Run2026

29.11.2026Merthyr Tydfil (United Kingdom)
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Pacing, fueling and crew sheet for the course you pick

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Start line in

 

4 courses · 5–42.2 km

4 courses

  1. 5km

    5 km
    No index

  2. 10km

    10 km
    No index

  3. 21.1km

    Half Marathon
    No index

  4. 42.2km

    Marathon
    No index

GPX trace not yet published.

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on South Wales - Christmas Advent Run, in one roadbook.

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The race

A timed endurance event where runners can complete as many laps as they like of a 5.3km out-and-back course along the Taff Trail, ranging from 5km to ultra distances within a 7-hour window.

Where to stay

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

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