Entries are now open to everyone!100 miles · 100km · 11–12 June 2027Find your adventure
11–12 June 2027 · Chepstow

Something wondrous
is taking root.

Two distances. One sense of wonder.
100 miles or 100km.
Beyond the trees. Over the hills.

A runner on a trail beneath a wooded hillside
DYFAL DONC A DYR Y GARREG
Your trail. Your challenge.

Choose your adventure.

Go long into the night, or greet the trail with a morning start. Two ways to experience Pomona, each a challenge to make your own.

The original adventure

100 miles

A hundred miles of borderlands, hills and forest. Set off at dusk and see where the night takes you.

Start · 2027
Fri 11 June · 8pm
Start & finish
Chepstow
Elevation gain
10,000ft
Time allowance
50 hours
Entry fee
£205
New distance · 2027

100km

A new loop from Chepstow. A first 100km or your next big challenge — an adventure in its own right.

Start · 2027
Sat 12 June · 8am
Start & finish
Chepstow
Elevation gain
6,000ft
Time allowance
30 hours
Entry fee
£145
Three runners sharing a trail
Beyond the trees. Over the hills.
Explore the 100-mile adventure.

Follow the trail into wonder.

Ancient borderlands, open ridgelines and deep woodland. Start and finish in Chepstow, with a hundred miles of adventure in between.

A runner approaching a finish area01 / THE BORDERLANDS

Offa’s Dyke

Along a landscape shaped by history.

A runner climbing across open hills02 / THE HILLS

Malvern Hills

Out beneath an open sky.

A trail beneath wooded hills03 / THE FOREST

Forest of Dean

Into the shelter of the trees.

A celebration of trails, people and the adventures we share.

Three landscapes. One hundred miles. The story is just beginning.

From dusk into adventure

One hundred miles.
A world of wonder.

From Chepstow, journey through the Wye Valley and borderlands towards the Malvern Hills, then return through May Hill and the Forest of Dean.

Indoor checkpoints approximately every 10 miles offer toilets, shelter, food and drink. Reach the finish and earn a limited-edition POMONA 100 belt buckle and an enchanting medal.

Enter 100 miles
Route, kit & event details
POMONA 100 illustrated route overview from Chepstow through the borderlands to the Malvern Hills and back through the Forest of Dean
A runner is congratulated at a finish
Every adventure is better shared.

Some paths reward curiosity.

100 miles or 100km. Find the challenge that calls to you.

Enter 100 miles
Your next adventure awaits

Ready to take the first step?

Entries are open to everyone. Join us in Chepstow for 100 miles or 100km, warm welcomes and a finish worth celebrating.

Choose your distance