Inertia Events

Friendly, relaxed and inclusive running events across Dorset, Somerset, the New Forest and the Jurassic Coast.

Choose your next half marathon, 10K or trail running event below.

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RoadHalf Marathon & 10K

Trail10 Mile & 10K

FriendlyAll Abilities

TimedResults & Age-Group Placings

Upcoming Running Events

Discover friendly running events across Dorset, Somerset, the New Forest and the Jurassic Coast. Our events include signed routes, aid stations, timing and a relaxed, welcoming atmosphere.

Welcoming Suitable for runners, joggers, walkers and Jeffers.

Easy to Book A simple, straightforward booking process.

Optional Medals Choose the entry option that works best for you.

Bridport Half Marathon and 10K running event in Dorset

Road Running

Inertia Events

Upcoming Running Events

Bridport Half Marathon & 10K

Dorchester Half Marathon & 10K

Tolpuddle Half Marathon & 14K

New Forest Half Marathon & 10K

Jurassic Trail 10 Mile & 10K

Somerset Half Marathon & 10K

Dorset Half Marathon & 10K

Somerset Half Marathon & 10K