Sunday, August 29, 2027
Distance
Start Time
Cutoff
Terrain
Difficulty
A 35-mile trail ultramarathon from Chepstow Castle to Monmouth and back via Offa's Dyke, passing Tintern Abbey and a 1km tunnel, finishing with live music at the Three Tuns Pub.
Chepstow Castle start/finish
Wye Valley Trail
Offa's Dyke
Tintern Abbey
Tiddenham Tunnel
Three Tuns Pub finish with live music
Start / Finish
Chepstow Castle
Chepstow Castle
Terrain
Route
What to bring
Trail shoes
What you get
Finisher medal
Finish medal
Live music at finish
On the day
Food vendors
Other questions
The event is a 35-mile (approx 56km) trail ultramarathon.
It follows the Wye Valley Trail from Chepstow Castle to Monmouth, returning along Offa's Dyke path via Tiddenham Tunnel, passing Tintern Abbey and other landmarks.
Yes, trail footwear is essential for this route.
There is live music and a welcome at the Three Tuns Pub at the finish.
Entry for the 35-mile category is £35.
Chepstow, United Kingdom
Sunday, August 29, 2027
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€40
entry fee