Ultra runs in London
Find ultra runs near me in London for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.

- Sat 24 May
- £139
- Entries close tomorrow
- Sat 24 May
- £139
- Entries close tomorrow
London 2 Brighton Ultra Challenge | 1st Half
A varied 56km challenge, initially following the path of the River Thames, before exploring the North Downs en route to the finish at Turners Hill and a huge celebration!
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Hilly
- Age 18 & over
- 56 km trail running + 800 m ascent

- Sat 24 May
- £199
- Entries close tomorrow
- Sat 24 May
- £199
- Entries close tomorrow
London 2 Brighton Ultra Challenge | Full 100km Continuous
Leafy Richmond to sunny Brighton – over the North Downs and the South Downs, with some wonderful Surrey and Sussex countryside in between, fully supported all the way with a huge celebratory finish!
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 100 km trail running + 1500 m ascent

- Sat 24 - Sun 25 May
- £199
- Entries close tomorrow
- Sat 24 - Sun 25 May
- £199
- Entries close tomorrow
London 2 Brighton Ultra Challenge | Full 100km over 2 days
Leafy Richmond to sunny Brighton, over the North and South Downs, with some wonderful Surrey and Sussex countryside - all in daylight hours and with a good nights' sleep mid-way!
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Hilly
- Age 18 & over
- 100 km trail running + 1500 m ascent

- Sat 24 - Sun 25 May
- £169
- Entries close tomorrow
- Sat 24 - Sun 25 May
- £169
- Entries close tomorrow
London 2 Brighton Ultra Challenge | 3/4 Challenge
Starting at Oaks Park then following the fantastic 2nd 1/4 Challenge route to Tulley’s Farm in Turners Hill, and then over the South Downs to the finish line at Brighton Racecourse to a celebration!
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Hilly
- Age 18 & over
- 75 km trail running + 1300 m ascent

- Sat 13 - Sun 14 Sep
- £199
- 18 charities
- Sat 13 - Sun 14 Sep
- £199
- 18 charities
Thames Path Ultra Challenge | Full 100km Continuous
The full, non-stop option of the epic Thames Path Challenge from leafy South West London following the river to Hampton Court, Runnymede to finish at Henley-on-Thames for a celebratory finish and BBQ!
- Chip timing
- Enter online
- GPS tracking
- Flat
- Undulating
- Age 18 & over
- 100 km trail running + 350 m ascent

- Sat 13 - Sun 14 Sep
- £199
- 18 charities
- Sat 13 - Sun 14 Sep
- £199
- 18 charities
Thames Path Ultra Challenge | Full 100km over 2 days
An epic challenge from leafy South West London on the River Thames featuring Hampton Court, Runnymede of Magna Carta Fame, Henley-on-Thames and a fabulous celebration finish - all in daylight.
- Chip timing
- Enter online
- GPS tracking
- Flat
- Age 18 & over
- 100 km trail running + 350 m ascent

- Sat 13 Sep
- £139
- 18 charities
- Sat 13 Sep
- £139
- 18 charities
Thames Path Ultra Challenge | 1st Half
The first half option of the Thames Path Challenge from leafy South West London on the River Thames along the river to Hampton Court to finish at Runnymede for a big celebration finish and hot meal!
- Chip timing
- Enter online
- GPS tracking
- Flat
- Undulating
- Age 18 & over
- 50 km trail running + 200 m ascent