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100K ultra runs in UK in June 2025

Find 100k ultra runs near me in UK in June 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Take on the full 100km challenge, starting from Kendal Base Camp, a fully supported ultra. making a glorious loop of the spectacular south Lakes.
  • Sun 1 - Sun 8 Jun 2025
  • 12 charities
  • Sun 1 - Sun 8 Jun 2025
  • 12 charities
Kendal, Cumbria, UK

Lake District Ultra Challenge | Full 100km continuous charity places

Take on the full 100km challenge, starting from Kendal Base Camp, a fully supported ultra. making a glorious loop of the spectacular south Lakes.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2500 m ascent
Take on the full 100km challenge during the hours of daylight, split over the two days. Enjoy the whole incredible route, whilst also getting a well-deserved overnight sleep.
  • Sat 7 - Sun 8 Jun 2025
  • 12 charities
  • Sat 7 - Sun 8 Jun 2025
  • 12 charities
Kendal, Cumbria, UK

Lake District Ultra Challenge | Full 100km over 2 days charity places

Take on the full 100km challenge during the hours of daylight, split over the two days. Enjoy the whole incredible route, whilst also getting a well-deserved overnight sleep.

  • Enter online
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2500 m ascent
Take on a 100km challenge, making a fully supported loop from Cirencester, exploring the picturesque, undulating terrain of the Cotswolds on a spectacular challenge.
  • Sat 21 - Sun 22 Jun 2025
  • 12 charities
  • Sat 21 - Sun 22 Jun 2025
  • 12 charities
Cirencester, Gloucestershire, UK

Cotswold Way Ultra Challenge | Full 100km continuous charity places

Take on a 100km challenge, making a fully supported loop from Cirencester, exploring the picturesque, undulating terrain of the Cotswolds on a spectacular challenge.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2250 m ascent
Walk, jog or run the full 100km challenge, split over two days, with a well deserved nights sleep at the half way basecamp, to recharge your batteries overnight.
  • Sat 21 - Sun 22 Jun 2025
  • 12 charities
  • Sat 21 - Sun 22 Jun 2025
  • 12 charities
Cirencester, Gloucestershire, UK

Cotswold Way Ultra Challenge | Full 100km over 2 days charity places

Walk, jog or run the full 100km challenge, split over two days, with a well deserved nights sleep at the half way basecamp, to recharge your batteries overnight.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2250 m ascent
Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.
  • Sat 21 - Sun 22 Jun 2025
  • 2 charities
  • Sat 21 - Sun 22 Jun 2025
  • 2 charities
Chichester, West Sussex, UK

Race to the King | 100K Non-stop charity places

Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 4619 ft ascent
Take on a 100km challenge, starting and finishing at the Bakewell Showground on a fully supported exploration of the beautiful Peak District National Park.
  • Sat 28 - Sun 29 Jun 2025
  • 12 charities
  • Sat 28 - Sun 29 Jun 2025
  • 12 charities
Bakewell, Derbyshire, UK

Peak District Ultra Challenge | Full 100km continuous charity places

Take on a 100km challenge, starting and finishing at the Bakewell Showground on a fully supported exploration of the beautiful Peak District National Park.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 2150 m ascent
Undertake the full 100km challenge, split over two days, to allow a good nights rest and appreciate the glorious scenery during the daytime.
  • Sat 28 - Sun 29 Jun 2025
  • 12 charities
  • Sat 28 - Sun 29 Jun 2025
  • 12 charities
Bakewell, Derbyshire, UK

Peak District Ultra Challenge | Full 100km over 2 days charity places

Undertake the full 100km challenge, split over two days, to allow a good nights rest and appreciate the glorious scenery during the daytime.

  • Chip timing
  • Enter online
  • Undulating
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2150 m ascent
  • Sat 7 Jun 2025
Castle Douglas, Dumfries and Galloway, UK

Ultra Scotland 50

  • 56 miles trail running + 2447 m ascent

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