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.
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.
Road Running
New Forest Half Marathon & 10K
£30.00 / £22.50
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Trail Running
Jurassic Trail 10 Mile & 10K
£30.00 / £22.50
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Road Running
Somerset Spring Half & 10K
£30.00 / £22.50
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Road Running
Dorset Half Marathon & 10K
£30.00 / £22.50
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Road Running
Thorney Half, 10.7K & 5.3K
£30.00 / £22.50
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Road Running
Somerset Summer Half & 10K
£30.00 / £22.50
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Road Running
Bridport Half Marathon & 10K
£30.00 / £22.50
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Road Running
Dorchester Half Marathon & 10K
£30.00 / £22.50
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Road Running
Tolpuddle Half Marathon & 14.7K
£30.00 / £22.50
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