Runners taking part in an Inertia Events UK running event

FRIENDLY LOCAL RUNNING EVENTS

Half marathons, 10Ks. Relaxed running events across beautiful UK locations.

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🏃 FRIENDLY EVENTS
🥤 AID STATIONS
🏅 GREAT MEDALS
🌿 SCENIC ROUTES
Runners taking part in an Inertia Events race
About Us

Inertia Events

We create welcoming running events for all abilities, from first-time 10km runners to experienced Half Marathoners.

Our routes are carefully planned to showcase beautiful local scenery, from coastal paths to rolling countryside, while keeping the atmosphere relaxed, supportive and enjoyable.

With aid stations, event support and a friendly community feel, our events are designed to help every runner enjoy the day.

Upcoming Events

Choose Your Next Run

Runners at the Dorchester Half Marathon and 10K in Dorset
Road Running
Dorchester Half & 10K

4th October 2026

£30.00 / £22.50

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Runners at the Tolpuddle Half Marathon and 14.7K in Dorset
Road Running
Tolpuddle Half & 14.7k

15th November 2026

£30.00 / £22.50

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Runners at the New Forest Half Marathon and 10K in Hampshire
Road Running
NEW FOREST Half & 10K

14th March 2027

£30.00 / £22.50

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Runners on the Jurassic Trail 16K and 10K course in Dorset
Trail Running
Jurassic Trail 16K & 10K

11th April 2027

£30.00 / £22.50

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Somerset Half and 10K
Road Running
Somerset Spring Half & 10K

18th April 2027

£30.00 / £22.50

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Runners at the Dorset Half Marathon and 10K in Burton Bradstock
Road Running
Dorset Half & 10K

9th May 2027

£30.00 / £22.50

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Runners at the Thorney Lakes Half Marathon, 10.7K and 5.3K in Somerset
Road Running
Thorney Half, 10.7km & 5.3km

18th July 2027

£30.00 / £22.50 / £22.50

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Somerset Half and 10K
Road Running
Somerset Summer Half & 10K

5th September 2027

£30.00 / £22.50

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Runners at the Bridport Half Marathon and 10K in Dorset
Road Running
Bridport Half & 10K

12th September 2027

£30.00 / £22.50

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How The Events Work