Available distances
Races on the programme
| Race | Distance | Elevation gain |
|---|---|---|
| Ultra Marathon | — | 7,546 ft |
| Marathon | — | 5,577 ft |
| Half Marathon | — | 3,937 ft |
| 10 km | — | 1,312 ft |
About
The Scott Snowdonia Trail Marathon takes place in Llanberis on 10 July 2027, with four trail distances: an ultra marathon (58 km, 2,300 metres of elevation gain) starting at 06:30, the marathon (46 km, 1,700 metres) at 08:30, a half marathon (21.1 km, 1,200 metres) at 09:00 and a 10 km (400 metres) at 10:30.
Note that the marathon here measures 46 km, longer than the standard 42.2 km, while the ultra is 12 km longer still, with 600 metres more climbing. The half marathon packs 1,200 metres of ascent into 21.1 km, and the 10 km offers a shorter introduction to the trails around Llanberis.
Prepare for Scott Snowdonia Trail Marathon with RunRun
An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.
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Races nearby
Other upcoming races around Llanberis.
International Snowdon Race
Jul 17, 2027 · Llanberis · 0 mi away
9.6 mi
Snowdonia Marathon Eryri
Oct 24, 2026 · Llanberis · 2 mi away
26.2 mi
MTC Cerridwen
Apr 14, 2027 · Caernarfon · 6 mi away
49.7 mi
Ultra-Trail Snowdonia Eryri by UTMB®
May 14, 2027 · Caernarfon · 6 mi away
104.4 mi · 64 mi · 34.2 mi · 15.5 mi
Snowdonia Trail Challenge
Jul 4, 2027 · Caernarfon · 6 mi away
34.2 mi · 26.1 mi · 15.2 mi · 8.1 mi
Bangor 10K and Half Marathon
Oct 3, 2027 · Bangor · 7 mi away
13.1 mi · 6.2 mi