Beast of The East Half Marathon

OCT
25
2026
Coastal trail running in Jersey with a Half Marathon and 10k, technical off-road terrain, significant climbs and finishes at Devil's Hole.
Sun 25 Oct 2026
13 miles 10 kilometers

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Beast of the East Trail Half Marathon & 10k

Beast of the East is a coastal trail running event in Jersey organised by Trail Monkey. The event offers two distances that use the island's North Coast paths and both finish at Devil's Hole.

Distances

  • Half Marathon (13.1 miles) on North Coast cliff paths via St Catherine's Woods and Rozel, around 2,700 ft elevation.
  • 10k starting at Bouley Bay along north coastal sections including Wolf's Lair, Les Platons and Bonne Nuit Bay, around 1,600 ft elevation.

Terrain and route details note that about 95% of both courses is off-road, with technical trails, steep climbs and exposed coastal sections. Checkpoints are cup-free; water, coke and snacks are available and runners should carry a reusable cup or bottle.

Field size is limited to keep the event manageable: the Half Marathon has a 100-runner limit and the 10k a 50-runner limit. Mandatory kit must be carried during the race and includes trail shoes, a warm top, foil blanket, rain jacket when required, at least 1 litre of water capacity, a reusable cup, sufficient food, a charged phone with the emergency number, and the What3Words app. Random kit checks can take place and missing items may lead to penalties or disqualification.

Travel notes highlight different start locations and a common finish at Devil's Hole; planning transfers, lifts or taxis is recommended. Visit the organization's website for the most recent information.

13 mi
Half Marathon
10 km
10k

Events nearby

A two-person lunchtime beach relay at Elizabeth Castle on 11 September 2026, running across sand and natural obstacles to raise funds for Jersey Heritage.
A 3.5 km muddy obstacle run across Jersey fields, open to individuals, families or teams, with age and height limits, free on-site parking, basic showers and marshalled safety measures.
Run for the Trees at Val de la Mare on 20 September offers 12 km, 6 km and 3 km courses around the arboretum and reservoir. All finishers receive a crafted wooden medal and winners will have their names displayed at the arboretum.
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