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Half marathons with PB potential in London in Autumn
Find half marathons with pb potential in London in Autumn - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sun 13 Sep 2026
- £43-£50
- 5 charities
Richmond, UK
Richmond Half Marathon
Be part of London's most exclusive event! Run through its greenest borough, exploring the beauties and history of Richmond. Start inside the Kew Gardens with a family music festival to finish!
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running
- Sun 11 Oct 2026
- £25-£35
- 10 charities
London, UK
Royal Parks Half Marathon
Run through four of London’s most beautiful Royal Parks, past iconic landmarks and tree-lined avenues, on a stunning autumn route that combines city energy with natural splendour.
- Families
- Trees not tees
- Venue accessible
- Recycling
- Beginner-friendly
- Plastic bottle free
- Entertainment
- Music
- Chip timing
- GPS tracking
- Flat
- PB
- Traffic free
- Fancy dress
- Event village
- Urban
- Park
- Sustainability policy
- Public transport links
- Age 17 & over
- 13.1 miles road running