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Runs in London in September 2025

Find runs near me in London in September 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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The Big Half promises a party atmosphere on a landmark-packed, half marathon route which follows some of the famous marathon course in reverse!
  • Sun 7 Sep
  • 1 charity
  • Sun 7 Sep
  • 1 charity
London, UK

The Big Half

Secure your charity place in The Big Half today. Run for charity in a landmark-packed route around London while supporting top UK charities. Find a cause and join their team today!

  • Families
  • Trees not tees
  • Wheelchair users
  • Recycling
  • Newcomers
  • Entertainment
  • Music
  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Fancy dress
  • Event village
  • Event expo
  • Urban
  • Sustainability policy
  • Age 17 & over
  • 13.1 miles road running
A team of 5. A half marathon every day for 4 days. You have just Run2Paris! This is your next great running adventure where you'll camp under the stars on a road trip like no other.
  • Thu 11 - Sun 14 Sep
  • £250-£1,250
  • Thu 11 - Sun 14 Sep
  • £250-£1,250
London, UK

Run2Paris

A team of 5. A half marathon every day for 4 days. You have just Run2Paris! This is your next great running adventure where you'll camp under the stars on a road trip like no other.

  • Newcomers
  • Enter online
  • GPS tracking
  • Fundraising required
  • Hilly
  • Urban
  • Public transport links
  • Age 18 & over
  • 4 days multi terrain running
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!
  • Sat 13 - Sun 14 Sep
  • £199
  • 17 charities
  • Sat 13 - Sun 14 Sep
  • £199
  • 17 charities
London, UK

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
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.
  • Sat 13 - Sun 14 Sep
  • £199
  • 17 charities
  • Sat 13 - Sun 14 Sep
  • £199
  • 17 charities
London, UK

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
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!
  • Sat 13 Sep
  • £139
  • 17 charities
  • Sat 13 Sep
  • £139
  • 17 charities
London, UK

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
Start this epic challenge in leafy South West London on the River Thames. This route follows the meandering waterway to Hampton Court for a big celebration finish and picnic!
  • Sat 13 Sep
  • £89
  • 17 charities
  • Sat 13 Sep
  • £89
  • 17 charities
London, UK

Thames Path Ultra Challenge | 1st Quarter

Start this epic challenge in leafy South West London on the River Thames. This route follows the meandering waterway to Hampton Court for a big celebration finish and picnic!

  • Chip timing
  • Enter online
  • Flat
  • Age 14 & over
  • 28 km trail running + 20 m ascent
Run 'The world's most scenic marathon' through London's greenest borough including Richmond Bridge and the Tow Path. Start inside the Kew Gardens with family fun music festival to finish!
  • Sun 14 Sep
  • £57-£59
  • 1 charity
  • Sun 14 Sep
  • £57-£59
  • 1 charity
Richmond, UK

Richmond Marathon

Run 'The world's most scenic marathon' through London's greenest borough including Richmond Bridge and the Tow Path. Start inside the Kew Gardens with family fun music festival to finish!

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 26.2 miles road running + 160 m ascent
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!
  • Sun 14 Sep
  • £50.50-£52.50
  • 1 charity
  • Sun 14 Sep
  • £50.50-£52.50
  • 1 charity
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 + 91 ft ascent
Run the UK’s most beautiful and flattest 10K run inside the Royal Botanical Gardens, Kew and run past plenty of beautiful landmarks! Fabulous medal & free entry into the gardens for spectators.
  • Sun 14 Sep
  • £47.50-£49.50
  • Sun 14 Sep
  • £47.50-£49.50
Richmond, UK

Richmond RUNFEST 10K

Run the UK’s most beautiful and flattest 10K run inside the Royal Botanical Gardens, Kew and run past plenty of beautiful landmarks! Fabulous medal & free entry into the gardens for spectators.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 15 & over
  • 10 km road running + 5 m ascent
Welcome to the WWF Richmond Kids' Mile Race. WWF has proposed a 'Wear it Wild' theme where kids are encouraged to wear an item of animal-inspired clothing on race day!
  • Sun 14 Sep
  • £12
  • Sun 14 Sep
  • £12
Richmond, UK

Uber Boat by Thames Clippers Richmond RUN-FEST | WWF Kids' Mile

Welcome to the WWF Richmond Kids' Mile Race. WWF has proposed a 'Wear it Wild' theme where kids are encouraged to wear an item of animal-inspired clothing on race day!

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Fancy dress
  • Age 3-16
  • 1 mile multi terrain running
The challenge is back on! Who will reign supreme - City or Wharf? It's time to get competitive and bring the victory to your team.
  • Thu 18 Sep
  • £25-£40
  • Thu 18 Sep
  • £25-£40
London, UK

The City v Wharf Corporate Run Challenge | 10K

The challenge is back on! Who will reign supreme - City or Wharf? It's time to get competitive and bring the victory to your team.

  • Chip timing
  • Enter online
  • Flat
  • Age 15 & over
  • 10 km road running + 18 m ascent
The challenge is back on! Who will reign supreme - City or Wharf? It's time to get competitive and bring the victory to your team.
  • Thu 18 Sep
  • £25-£30
  • Thu 18 Sep
  • £25-£30
London, UK

The City v Wharf Corporate Run Challenge | 5K

The challenge is back on! Who will reign supreme - City or Wharf? It's time to get competitive and bring the victory to your team.

  • Chip timing
  • Enter online
  • Flat
  • Age 11 & over
  • 5 km road running + 9 m ascent
Get the #EalingFeeling at the triple Gold award winning UK No1 Half Marathon.
  • Sun 28 Sep
  • 1 charity
  • Sun 28 Sep
  • 1 charity
London, UK

Ealing Half Marathon

Get the #EalingFeeling at the triple Gold award winning UK No1 Half Marathon.

  • Recycling
  • Newcomers
  • Chip timing
  • Enter online
  • Traffic free
  • Event village
  • Park
  • Sustainability policy
  • Age 17 & over
  • 13.1 miles road running + 250 ft ascent
A capital city 10K on a flat course with closed roads and world-famous landmarks! Cheering crowds, great medal, family-friendly run and wellness festival too.
  • Sun 28 Sep
  • 3 charities
  • Sun 28 Sep
  • 3 charities
London, UK

Vitality London 10,000

Secure your charity place in the Vitality London 10K today. Run a flat course with closed roads and world-famous landmarks while supporting top UK charities. Find a cause and join their team today!

  • Families
  • Wheelchair users
  • Recycling
  • Newcomers
  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Fancy dress
  • Event village
  • Event expo
  • Urban
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Age 15 & over
  • 10 km road running
  • Fri 5 Sep
London, UK

The Ealing Mile

  • 1 mile road running
  • Sun 7 Sep
Richmond, UK

Richmond Park September 5K, 10K and Half Marathon | Half Marathon

  • 13.1 miles multi terrain running
  • Sun 7 Sep
Richmond, UK

Richmond Park September 5K, 10K and Half Marathon | 5K

  • 5 km multi terrain running
  • Sun 7 Sep
Richmond, UK

Richmond Park September 5K, 10K and Half Marathon | 10K

  • 10 km multi terrain running
  • Sun 14 Sep
London, UK

Second Sunday 5

  • 5 miles xc running
  • Sat 20 Sep
London, Canada

That Dam Hill Marathon

  • 42.2 km road running
  • Fri 26 Sep
London, UK

Serpentine RC Last Friday of the Month 5K

  • 5 km road running
  • Sun 28 Sep
Richmond, UK

Richmond Park Half Marathon

  • 13.1 miles trail running + 593 ft ascent

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