OMM competitors moving together through open mountain terrain

OMM / Events

PLAN YOUR
NEXT START LINE.

The dates, the places and the kind of challenge.
Make room for your next event.

Coming up.

October 2026 — August 2027

OMM competitors sharing a moment on the hill

Talnotry, Scotland

The OMM

2026 entries closed

A two-day mountain marathon in pairs. Navigate between checkpoints and carry your overnight kit.

Map & compassRemote camp
Event information
Competitors visiting a woodland checkpoint at OMM Japan

Takashima, Japan

OMM Japan

2026 entries closed

Take the OMM format to Japan. Two days of paired navigation with an overnight camp.

Map & compassTeams of two
Visit event website
Runners gathered at the Lake District Running Festival

Grasmere, Lake District

Lake District
Running Festival

2027 entries open

A weekend of trail races, OMM Lite navigation and Festival camping in Grasmere.

Choice of racesFriends & family
Find your Festival race
BAMM competitors visiting a mountain checkpoint in Riksgränsen

Riksgränsen, Sweden

BAMMsupported by OMM

2027 entries open

A two-day mountain marathon in the Swedish Arctic. Navigate as a pair between checkpoints, with an overnight mountain camp.

Map & compassTeams of two
Explore BAMM

Choose the format that fits.

Mountain marathon

Choose your route.

The OMM, OMM Japan and BAMM combine paired navigation with an overnight camp in the mountains.

Festival trail races

Follow the trail.

Marked courses and a choice of distances at the Lake District Running Festival.

OMM Lite · At the Festival

Find your checkpoints.

Try navigational racing and return to Festival basecamp.

Planning your weekend.

Do I need to be an experienced navigator?

For the OMM, OMM Japan and BAMM, navigation is part of the challenge. Check the skills and equipment required for your chosen course. At the Festival, you can choose marked trail races or explore OMM Lite.

Where can I find courses, kit lists and entry details?

Each event page has its own course choices and practical information. Use the event links above to check the requirements for your chosen race.

The next step is yours.

Explore the courses before choosing your event.

Explore Festival options