18 JULCOST
RunThrough Battersea Park Half Marathon & 10K
London
Event weekend
- Cost
- Character
- Pancake Flat
- Parkland
- Coastal
- Riverside
£38Entry
annual regional distance guide
2026 Half Marathons in London
2026 half marathon guide for London, built from source-backed race dates, UK region data, route-map coverage, elevation profiles and entry signals where available.
2026 Half Marathons in London coverage
10Dated race pages4Mapped routes2Elevation profiles40%Map coverage
Dated race pages
Featured 2026 half marathons in london
09 AUGMAP
Thames Meander Marathon (London)
London
Event weekend
- Map
- Profile
- Character
GPS trace: 766 pts / www.hermesrunning.com
- Riverside
- Waterfront
- Parkland
- City
- Ascent
- 159 m
- m/km
- 7.6 m/km
0.5%GAP
23 AUGMAP
Richmond Park Marathon (London)
London
Event weekend
- Map
- Profile
- Character
GPS trace: 734 pts / www.1m2go.co.uk
- Parkland
- Forest
- Historic
- Community
- Ascent
- 204 m
- m/km
- 9.6 m/km
1.0%GAP
30 AUGCOST
RunThrough Dulwich Park 10K & Half Marathon
London
Event weekend
- Cost
- Character
- Flat
- Parkland
- City
- Historic
£34Entry
06 SEPSCORE
The Big Half
London
Event weekend
- Character
- Flat
- City
- Riverside
- Historic
12 SEPMAP
Richmond Running Festival
London
Event weekend
- Map
- Cost
- Character
GPS trace: 558 pts / run-fest.com
- Pancake Flat
- Parkland
- Riverside
- Waterfront
£48Entry
27 SEPCOST
Ealing Half Marathon
London
Event weekend
- Cost
- Character
- Rolling
- City
- Parkland
- Road
£51Entry
04 OCTMAP
Kingston Half Marathon
London
Event weekend
- Map
- Cost
- Character
GPS trace: 682 pts / riverthamesrunning.co.uk
- Flat
- Riverside
- Historic
- City
£42Entry
11 OCTCOST
Royal Parks Half Marathon
London
Event weekend
- Cost
- Character
- Flat
- Historic
- Parkland
- City
£59Entry
06 DECCOST
RunThrough Crystal Palace Park Half Marathon, 10K & 5K
London
Event weekend
- Cost
- Character
- Hilly
- Parkland
- Forest
- City
£34Entry
Related race guides
2026 half marathons
All dated half marathon race pages in this calendar period.
London half marathons
All indexed half marathon race pages in London, across every date.
London running races
Every indexed race page in this UK region, across distances and calendar periods.
Half Marathons
All indexed half marathon race pages, including route evidence and ranking filters.
Half Marathon route maps
Mapped half marathon race pages with stored route geometry where available.
2026 Half Marathons in London questions
What 2026 half marathons in london are included?
This guide includes 10 half marathon race pages whose latest source-backed race date falls in 2026 and whose source-backed UK region is London. Nearby races by radius are not included.
Does this mean every 2026 half marathon in London recurs every year?
No. Calendar guide pages use the latest published race date for each race page. They do not infer annual recurrence unless that edition date is present.
Which 2026 half marathons in london have route maps?
4 half marathon race pages in this guide currently have stored route geometry. Route traces appear only when stored geometry exists.