⚠️ 2027 edition: provisional information
The date is estimated from the 2026 edition (August 1, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.
Available distances
Races on the programme
| Race | Distance | Elevation gain |
|---|---|---|
| Ultra Marathon | — | 1,524 m |
| Marathon | — | — |
| Half Marathon | — | — |
About
Round the Rock Jersey circles the island of Jersey from St Helier on 31 July 2027, with an ultramarathon of 77.2 km and 1,524 metres of elevation gain, alongside a trail marathon (42.2 km) and a half marathon (21.1 km).
The coastal route offers picturesque scenery and local wildlife. Organised by Trail Monkey as part of its Ultra Grandslam series, the race attracts experienced runners and newcomers alike in a welcoming atmosphere, firmly rooted in the ultra-running tradition of the Channel Islands.
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Races nearby
Other upcoming races around Saint-Hélier.
The C.I. 100k - Jersey
Nov 22, 2026 · Saint Catherine's · 8 km away
100 km · 50 km
The Double Top Ultra
May 1, 2027 · Saint Catherine's · 8 km away
64 km · 32 km · 16 km · 10 km
Trail-Fest Jersey (Jersey Festival of Trail Running)
May 1, 2027 · Saint-Ouen · 13 km away
5 km · 10 km · 21.1 km
Trail de T'Cheu Nous
May 4, 2027 · Les Pieux · 43 km away
26 km · 13 km
Marathon de Guernesey
Apr 12, 2027 · Saint-Pierre-Port · 44 km away
42.2 km · 1.6 km
Rock n'Trail
Apr 23, 2027 · Muneville-le-Bingard · 46 km away
20 km · 1.4 km