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10K runs in South East in September 2025

Find 10k runs near me in South East in September 2025 - 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.

An exceptional 10K route at Chilton Manor Farm which starts and finishes on the historic 800 year old Yew tree-lined avenue, which gives stunning views and a straight finish.
  • Sat 21 Sep
  • £22.60
  • Sat 21 Sep
  • £22.60
Alresford, Hampshire, UK

The Yard Trail Races | 10K

An exceptional 10K route at Chilton Manor Farm which starts and finishes on the historic 800 year old Yew tree-lined avenue, which gives stunning views and a straight finish.

  • Enter online
  • Undulating
  • Age 15 & over
  • 10 km trail running
Entries close tomorrow
The award-winning Run Reigate 10K is back and promises a much-loved sell-out event with fantastic scenery, an unbeatable atmosphere and a memorable experience!
  • Sun 22 Sep
  • £37-£40
  • Entries close tomorrow
  • Sun 22 Sep
  • £37-£40
  • Entries close tomorrow
Reigate, Surrey, UK

Run Reigate | 10K

The award-winning Run Reigate 10K is back and promises a much-loved sell-out event with fantastic scenery, an unbeatable atmosphere and a memorable experience!

  • Chip timing
  • Enter online
  • Age 15 & over
  • 10 km road running
Entries close soon
'It’s more than a race – it’s a community!' Start and finish on the Long Walk and enjoy an undulating course passing through some of the most beautiful countryside, by royal residences and statues.
  • Sat 28 Sep
  • £26.50-£28.50
  • Entries close soon
  • Sat 28 Sep
  • £26.50-£28.50
  • Entries close soon
Windsor, Berkshire, UK

Windsor Womens 10K

'It’s more than a race – it’s a community!' Start and finish on the Long Walk and enjoy an undulating course passing through some of the most beautiful countryside, by royal residences and statues.

  • Recycling
  • Newcomers
  • Enter online
  • Event village
  • Park
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Age 15 & over
  • 10 km road running
Race through the beautiful castle grounds over 10K for all levels from first-timers to elite then celebrate with friends and family in the festival village.
  • Sun 29 Sep
  • £28-£35
  • Sun 29 Sep
  • £28-£35
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival | 10K Run

Race through the beautiful castle grounds over 10K for all levels from first-timers to elite then celebrate with friends and family in the festival village.

  • Chip timing
  • Enter online
  • Undulating
  • Age 15 & over
  • 10 km multi terrain running
A new and unique concept where you turn up ready to conquer 10km but if you're feeling great, tackle a Half Marathon or even further depending on how you feel on the day!
  • Sat 19 Oct
  • £52
  • Sat 19 Oct
  • £52
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | 10K

A new and unique concept where you turn up ready to conquer 10km but if you're feeling great, tackle a Half Marathon or even further depending on how you feel on the day!

  • Enter online
  • Age 16 & over
  • 10 km multi terrain running
Beautiful scenic routes through Henley, over the famous bridge, and along the Thames Valley as part of Henley’s annual day of running and fundraising.
  • Sun 20 Oct
  • £25-£30
  • Sun 20 Oct
  • £25-£30
Henley-on-Thames, Oxfordshire, UK

Henley Half Marathon | 10K

Beautiful scenic routes through Henley, over the famous bridge, and along the Thames Valley as part of Henley’s annual day of running and fundraising.

  • Enter online
  • Flat
  • PB
  • Age 15 & over
  • 10 km road running
A chip-timed run for aspiring junior racers! The race will take place before the main race, on the trails and paths around Bedgebury and will be fully marshalled.
  • Sun 27 Oct
  • £7
  • Sun 27 Oct
  • £7
Goudhurst, Kent, UK

Bedgebury Forest Half Marathon & 10K | Junior Race

A chip-timed run for aspiring junior racers! The race will take place before the main race, on the trails and paths around Bedgebury and will be fully marshalled.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • All ages
  • 2 km trail running
An unforgettable race between the pines and beneath the majestic canopy of Bedgebury Forest - a trail race that will ignite your racer's heart.
  • Sun 27 Oct
  • £24-£30
  • Sun 27 Oct
  • £24-£30
Goudhurst, Kent, UK

Bedgebury Forest Half Marathon & 10K | 10K

An unforgettable race between the pines and beneath the majestic canopy of Bedgebury Forest - a trail race that will ignite your racer's heart.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 15 & over
  • 10 km trail running
An autumnal trail treat to delight the senses and lift your spirit as you clock the miles and enjoy the majestic beauty of Wendover Forest. See you there!
  • Sun 3 Nov
  • FREE-£30
  • Sun 3 Nov
  • FREE-£30
Tring, Buckinghamshire, UK

Wendover Woods Marathon, Half Marathon & 10K | 10K

An autumnal trail treat to delight the senses and lift your spirit as you clock the miles and enjoy the majestic beauty of Wendover Forest. See you there!

  • Enter online
  • Undulating
  • Age 15 & over
  • 10 km trail running
Embark on a thrilling multi-terrain adventure! Named in honour of Mary Shelley’s novel “Frankenstein” which she completed whilst living in Marlow. Gold Award for top runner reviews!
  • Sun 3 Nov
  • £21.50-£31
  • Sun 3 Nov
  • £21.50-£31
Marlow, Buckinghamshire, UK

The Frankenstein

Embark on a thrilling multi-terrain adventure! Named in honour of Mary Shelley’s novel “Frankenstein” which she completed whilst living in Marlow. Gold Award for top runner reviews!

  • Chip timing
  • Enter online
  • Undulating
  • Age 15 & over
  • 10 km multi terrain running
10th Anniversary edition! Get ready for an exhilarating 7-mile journey through the stunning countryside of Marlow! Gold Award for top runner reviews.
  • Sun 3 Nov
  • £21.50-£31
  • Sun 3 Nov
  • £21.50-£31
Marlow, Buckinghamshire, UK

Marlow 7

10th Anniversary edition! Get ready for an exhilarating 7-mile journey through the stunning countryside of Marlow! Gold Award for top runner reviews.

  • Enter online
  • Undulating
  • Age 16 & over
  • 7 miles multi terrain running + 190 m ascent
Embark on your journey along bridleways and trails that wind through ancient woodlands, farmlands, and wildlife conservation areas. Immerse yourself in captivating woodland beauty.
  • Sun 17 Nov
  • £23-£25
  • Sun 17 Nov
  • £23-£25
Henley-on-Thames, Buckinghamshire, UK

The One in the Woods | Henley | 10K

Embark on your journey along bridleways and trails that wind through ancient woodlands, farmlands, and wildlife conservation areas. Immerse yourself in captivating woodland beauty.

  • Chip timing
  • Enter online
  • Age 17 & over
  • 10 km trail running
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running!
  • Sun 24 Nov
  • £25-£30
  • Sun 24 Nov
  • £25-£30
Milton Keynes, Buckinghamshire, UK

Milton Keynes MoRun | 10K

MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • All ages
  • 10 km trail running
Calling all Green Santas and racing Elves! Get involved in this brand new eco festive, sustainable, inclusive and accessible race at the stunning Alice Holt Forest this year and explore forest trails.
  • Sun 1 Dec
  • £22-£30
  • Sun 1 Dec
  • £22-£30
Farnham, Hampshire, UK

Green Santa Run | 10K

Calling all Green Santas and racing Elves! Get involved in this brand new eco festive, sustainable, inclusive and accessible race at the stunning Alice Holt Forest this year and explore forest trails.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 15 & over
  • 10 km trail running
An exciting 10K on a flat and fast course perfect for all abilities, as part of the atmospheric Brighton Marathon Weekend complete with Beach Village.
  • Sun 6 Apr 2025
  • £35
  • 3 charities
  • Sun 6 Apr 2025
  • £35
  • 3 charities
Brighton, East Sussex, UK

Brighton Marathon Weekend | Brighton & Hove 10K

An exciting 10K on a flat and fast course perfect for all abilities, as part of the atmospheric Brighton Marathon Weekend complete with Beach Village.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 15 & over
  • 10 km road running
The 10K race challenge is perfect for a PB with green parks, inspiring views of city landmarks and a waterside location to drive you forward, beginning and ending at the iconic Guildhall.
  • Sun 6 Apr 2025
  • £30.10-£32.10
  • 1 charity
  • Sun 6 Apr 2025
  • £30.10-£32.10
  • 1 charity
Southampton, Hampshire, UK

ABP Southampton 10K

The 10K race challenge is perfect for a PB with green parks, inspiring views of city landmarks and a waterside location to drive you forward, beginning and ending at the iconic Guildhall.

  • Chip timing
  • Age 15 & over
  • 10 km road running
The Magna Carta 10K is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
  • Sat 26 Apr 2025
  • £33-£35
  • Sat 26 Apr 2025
  • £33-£35
Egham, Surrey, UK

Magna Carta Spring | 10K

The Magna Carta 10K is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17-80
  • 10 km trail running
Teams of 4 runners will complete the marathon course as a relay with each running a leg of approximately 10K - ideal for businesses, charities, clubs, groups of friends and achieving a PB.
  • Mon 5 May 2025
  • £110
  • Mon 5 May 2025
  • £110
Milton Keynes, Buckinghamshire, UK

MK Marathon Relay

Teams of 4 runners will complete the marathon course as a relay with each running a leg of approximately 10K - ideal for businesses, charities, clubs, groups of friends and achieving a PB.

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 10 km road running
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
  • Sat 10 May 2025
  • £30-£32
  • Sat 10 May 2025
  • £30-£32
Wadhurst, East Sussex, UK

Bewl Water Spring | 10K

Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.

  • Chip timing
  • Enter online
  • Undulating
  • Age 16-80
  • 10 km trail running
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course was previously rated one of the top UK marathons.
  • Sat 13 Sep 2025
  • £33-£35
  • Sat 13 Sep 2025
  • £33-£35
Wadhurst, East Sussex, UK

Bewl Water Autumn | 10K

Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course was previously rated one of the top UK marathons.

  • Chip timing
  • Enter online
  • Undulating
  • Age 15-80
  • 10 km trail running
  • Sat 21 Sep
Waterlooville, Hampshire, UK

Hambledon Hilly | 10K

  • 10 km trail running
  • Sat 21 Sep
Wadhurst, East Sussex, UK

Stride or Ride | Run - 10K

  • 10 km trail running
  • Sat 21 Sep
Petworth, West Sussex, UK

She Runs Outdoors at Westerlands Graffaham 10K Women's Guided Trail Run

  • 10 km trail running
  • Sat 21 Sep
Camberley, Hampshire, UK

Twilight Runway Challenge | 10K

  • 10 km road running
  • Sun 22 Sep
Dorking, Surrey, UK

Trust 10K Run - Polesden Lacey

  • 10 km trail running

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