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Half marathons in London

Browse confirmed OneRace half marathon editions in London. Compare the live calendar, then check each event page for its course, arrival and entry information.

9 races

Runners at the One in the Park - Victoria — 10K, 10 Mile & Half Marathon in Victoria Park, London

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One in the Park - Victoria

Sunday 15 November 2026

10K10 MileHalf Marathon

From £26View Victoria Park 10K, 10 Mile & Half Marathon

Runners at the One in the Park - Richmond — 10K & Half Marathon in Richmond Park, London

One in the Park - Richmond

Sunday 29 November 2026

10KHalf Marathon

From £26View Richmond Park 10K & Half Marathon

Runners at the One in the Park - Victoria Park Half Marathon, 10 mile & 10k — 10K, 10 Mile & Half Marathon in Victoria Park, London

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One in the Park - Victoria Park Half Marathon, 10 mile & 10k

Sunday 17 January 2027

10K10 MileHalf Marathon

From £26View Victoria Park 10K, 10 Mile & Half Marathon

Runners at the One in the Park - Victoria Park — 10K, 10 Mile & Half Marathon in Victoria Park, London

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One in the Park - Victoria Park

Sunday 14 February 2027

10K10 MileHalf Marathon

From £26View Victoria Park 10K, 10 Mile & Half Marathon

Runners at the One in the Park - Victoria Park — 10K, 10 Mile & Half Marathon in Victoria Park, London

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One in the Park - Victoria Park

Sunday 21 March 2027

10K10 MileHalf Marathon

From £26View Victoria Park 10K, 10 Mile & Half Marathon

Runners at the One in the Park - Richmond Park — 10K & Half Marathon in Richmond Park, London

One in the Park - Richmond Park

Sunday 6 June 2027

10KHalf Marathon

View DetailsView Richmond Park 10K & Half Marathon

Runners at the The One by the Canal — Half Marathon in Cowley to Watford, London

The One by the Canal

Sunday 7 November 2027

Cowley to Watford

From £35View Cowley to Watford Half Marathon

Runners at the One in the Park - Victoria Park — Half Marathon, 10 Mile & 10K in Victoria Park, London

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One in the Park - Victoria Park

Sunday 14 November 2027

Half Marathon10 Mile10K

From £26View Victoria Park Half Marathon, 10 Mile & 10K

Runners at the One in the Park - Richmond Park — 10K & Half Marathon in Richmond Park, London

One in the Park - Richmond Park

Sunday 28 November 2027

10KHalf Marathon

View DetailsView Richmond Park 10K & Half Marathon

Plan your next half marathon

Half marathon routes can vary significantly by surface, elevation and lap format. Start with the date and location, then read the event-specific route information before deciding which edition suits you.

Use the race page to confirm start arrangements, facilities and current booking status. Unknown details remain hidden until they have been approved rather than being filled with assumptions.

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