01Offa’s Dyke
Follow the borderlands, where the trail connects the landscape with its long history.
The gate is quietly open.100 miles · £205 · 11 June 2027Seek your enchantment
Some doors open for the curious.
Good Luck
11 June 2027 · A devilish 8pm start
Start your
adventure here.
Something wondrous is taking root. A journey along Offa’s Dyke, over the Malvern Hills and through the Forest of Dean.
- When
- 11 June 2027
- The adventure
- 100 miles
- Start & finish
- Chepstow
- Elevation gain
- 10,000ft
Three landscapes. One adventure.
Into the trees.
Out into wonder.
Woodland trails, open ridgelines and ancient borderlands. POMONA brings three distinctive landscapes together in one long adventure, starting and finishing in Chepstow.
01
02Malvern Hills
Leave the canopy behind for open hills and wide horizons. A change of perspective with every climb.
03Forest of Dean
Deep greens, sheltered paths and the quiet pull of the woodland. The forest is where this story takes root.
Landscape image credits
Photographs and the illustrations adapted from them: Track through the Forest of Dean — Jeff Buck; Malvern Hills Ridge — Colin Smith; River Wye, Tintern — Richard Rogerson. All CC BY-SA 2.0, via Geograph / Wikimedia Commons. Photos resized and cropped for display; illustrations redrawn in the POMONA style and shared under the same licence. Images show the event landscapes, rather than confirmed course navigation.
A long way
into wonder.
Your 100-mile adventure begins in Chepstow with a devilish 8pm start. Head into the evening through the Wye Valley and Offa’s Dyke borderlands, passing Tintern and Monmouth before continuing towards Symonds Yat, Ross-on-Wye and the Malvern Hills. The return journey takes you via May Hill and the Forest of Dean, bringing you back to Chepstow.
With 10,000ft of elevation gain over 100 miles, expect woodland trails, open hills and a journey that carries you from dusk into the adventure beyond. Final navigation files will be released before the event.
Seek your enchantment
Your adventure.
The essentials.
Join us on 11 June 2027 for a devilish 8pm start. One hundred miles, 10,000ft of climbing, three enchanting landscapes and a very generous 50 hours to reach the finish. Entry is £205. Entries open 10 October 2026.
Seek your enchantmentRegistering your intrigue joins the updates list. It does not reserve or purchase a race entry.
- Event date
- 11 June 2027
- Start time
- 8pm · 20:00
- Start & finish area
- Chepstow
- Entry fee
- £205
- Entry opening
- 10 October 2026
- Distance & elevation gain
- 100 miles · 10,000ft
- Indoor checkpoints
- Approximately every 10 miles
- Time allowance
- A very generous 50 hours
- Mandatory kit
- View the kit list
- Runner manual
- To be released
A little shelter. A lot of support.
A welcome
along the way.
Indoor checkpoints approximately every 10 miles give you a place to pause, refuel and gather yourself for the next stretch.
Expect toilets, shelter, food and drink at the checkpoints. Step inside, take a breather and head back out into the adventure.
For those who reach the finish
Earn a little
enchantment.
Cross the finish line and take home a limited-edition POMONA 100 belt buckle and an enchanting medal.
Two keepsakes of one extraordinary journey: the miles, the hills, the night and the moment you made it back to Chepstow.
Ready for the night. Ready for the trail.
Mandatory kit.
Carry the following equipment for your POMONA 100 adventure.
- Suitable footwear; trail-running shoes are recommended.
- Bottles or a hydration system with at least 1 litre of capacity.
- A mobile phone with sufficient battery power.
- The event GPX/GPS route saved to your navigation device.
- A headtorch or another light for travelling after dark.
- Clip-on LED lights for visibility at night.
- A survival bag; a foil blanket alone is not sufficient.
- A waterproof jacket and waterproof trousers, both with taped seams.
- Warm layers: a down jacket or fleece, hat, gloves, and a base or mid-layer.
- A backpack for carrying your equipment.
- A kit for treating blisters.
- A reusable drinking cup for the trail and checkpoints.
- At least 500 calories of food when departing the start and every checkpoint.
A little more to know
Your questions.
Can I enter POMONA 100 yet?
Public entries open on 10 October 2026. Entry is £205. But there’s already a little enchantment hidden here for curious adventurers. Follow a four-leaf clover to find your way in. A hundred miles of wonder, with considerably fewer clicks to enter.
When is the event?
11 June 2027, starting in Chepstow at a devilish 8pm. A perfectly sensible time to begin a hundred-mile adventure, if your idea of sensible is a little unusual.
Where does the adventure begin?
Chepstow is the planned start and finish area. You leave from Chepstow, have a rather substantial wander, and return to Chepstow. The specific venue will be confirmed with the event information.
What is the route like?
100 miles with 10,000ft of elevation gain. From Chepstow, head through the Wye Valley and borderlands towards the Malvern Hills, then return via May Hill and the Forest of Dean. Expect woodland trails, open ridgelines and a few opportunities to question your hobbies. Final navigation files will be released before the event.
How long do I have to finish?
A very generous 50 hours. Plenty of time for an adventure; still slightly longer than your average weekend stroll.
What facilities are available at checkpoints?
Indoor checkpoints are planned approximately every 10 miles, with toilets, shelter, food and drink. A roof, a refuel and a moment to remember why you thought this was a brilliant idea.
What do finishers receive?
A limited-edition POMONA 100 belt buckle and an enchanting medal. Tangible proof that “just popping out for a run” got wonderfully out of hand.
Is POMONA 100 part of the ONA Series, and do we still get an axe?
Yes to both! POMONA 100 is part of the ONA Series. Complete all three 100-mile races — EPONA 100, SIRONA 100 and POMONA 100 — to earn your ONA Series axe. Three adventures, 300 miles and one rather excellent conversation starter.
Will there ever be another Divona 100?
What is the Divona 100?
Some paths reward curiosity.
One hundred miles of wonder. An entrance for those who look a little closer.
Seek your enchantmentKeep the enchantment coming
Something wondrous
is taking root.
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Part of the ONA Series