100K ultra runs

100K ultra runs

A serious endurance challenge, these races clock in at over 60 miles and will usually take a full day to complete!

100K ultra runs near you

Ultra running - essentially running any distance that's longer than a 26.2 mile marathon - has become increasingly popular, both in the UK and worldwide. Marathons are no longer the ultimate long distance race!

Take on the full 100km challenge, starting from Kendal Base Camp, a fully supported ultra. making a glorious loop of the spectacular south Lakes.
  • Sat 10 - Sun 11 Jun
  • £198
  • 9 charities
Kendal, Cumbria, UK

Lake District Challenge | Full 100km continuous

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

  • 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 10 - Sun 11 Jun
  • £198
  • 9 charities
Kendal, Cumbria, UK

Lake District Challenge | Full 100km over 2 days

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.

  • 100 km trail running + 2500 m ascent
Take on the full 100K Race to the King ultramarathon in one go. Fully supported through day and night on a route combining castles and coastal scenery.
  • Sat 17 Jun
  • £159.99
  • Entries closed
Chichester, West Sussex, UK

Dulux Race to the King | 100K Non-stop

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

  • Entries closed
  • 100 km trail running + 4619 ft ascent
Take on the full 100K Race to the King ultramarathon with an overnight stop at the all-inclusive Basecamp, meaning a good nights' sleep in between the 50K stints.
  • Sat 17 Jun
  • £240
  • Entries closed
Chichester, West Sussex, UK

Dulux Race to the King | 100K Two Days with camping

Take on the full 100K Race to the King ultramarathon with an overnight stop at the all-inclusive Basecamp, meaning a good nights' sleep in between the 50K stints.

  • Entries closed
  • 100 km trail running + 4619 ft ascent
Take on the full Race to the King 100K ultramarathon over two days, making your own arrangements for overnight accommodation at the halfway point.
  • Sat 17 Jun
  • £150
  • Entries closed
Chichester, West Sussex, UK

Dulux Race to the King | 100K Two Days no camping

Take on the full Race to the King 100K ultramarathon over two days, making your own arrangements for overnight accommodation at the halfway point.

  • Entries closed
  • 100 km trail running + 4619 ft 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.
  • Fri 23 Jun
  • £79
  • 11 charities
Cirencester, Gloucestershire, UK

Cotswold Way Challenge | Full 100km over 2 days

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.

  • 100 km trail running + 2250 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 24 Jun
  • £198
  • 11 charities
Cirencester, Gloucestershire, UK

Cotswold Way Challenge | Full 100km continuous

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

  • 100 km trail running + 2250 m 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 8 Jul
  • £198
  • 9 charities
Bakewell, Derbyshire, UK

Peak District Challenge | Full 100km continuous

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

  • 100 km trail running + 2450 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 8 Jul
  • £198
  • 9 charities
Bakewell, Derbyshire, UK

Peak District Challenge | Full 100km over 2 days

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

  • 100 km trail running + 2450 m ascent
The full distance option of the South Coast Challenge from sunny Eastbourne, over the magnificent Seven Sisters, onto Cuckmere Haven and over the South Downs all the way to historic Arundel.
  • Sat 2 - Sun 3 Sep
  • £198
  • 8 charities
Polegate, East Sussex, UK

South Coast Challenge | Full 100km continuous

The full distance option of the South Coast Challenge from sunny Eastbourne, over the magnificent Seven Sisters, onto Cuckmere Haven and over the South Downs all the way to historic Arundel.

  • 100 km trail running + 2100 m ascent
The full distance option of the South Coast Challenge over 2 days with 57km on day 1 and 43km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.
  • Sat 2 - Sun 3 Sep
  • £198
  • 8 charities
Polegate, East Sussex, UK

South Coast Challenge | Full 100km over 2 days

The full distance option of the South Coast Challenge over 2 days with 57km on day 1 and 43km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.

  • 100 km trail running + 2100 m ascent
The full, non-stop option of the 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 9 - Sun 10 Sep
  • £22.50-£198
  • 12 charities
London, UK

Thames Path Challenge | Full 100km continuous

The full, non-stop option of the 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.

  • 100 km trail running + 350 m ascent
The full distance option of the Thames Path Challenge over 2 days with 50km on day 1 and 50km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.
  • Sat 9 - Sun 10 Sep
  • £22.50-£198
  • 12 charities
London, UK

Thames Path Challenge | Full 100km over 2 days

The full distance option of the Thames Path Challenge over 2 days with 50km on day 1 and 50km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.

  • 100 km trail running + 350 m ascent
An epic challenge, making a full 106km circuit of the Isle of Wight, starting and finishing in Chale, enjoy well stocked rest stops and superb scenery every step of the way.
  • Sun 5 May 2024
  • £198
  • 7 charities
Ventnor, Isle of Wight, UK

Isle of Wight Challenge | Full 106km continuous

An epic challenge, making a full 106km circuit of the Isle of Wight, starting and finishing in Chale, enjoy well stocked rest stops and superb scenery every step of the way.

  • 106 km multi terrain running + 1960 m ascent
The full 106km circumnavigation of the Isle of Wight, in daylight hours. Overnight at Cowes for a well-earned rest on this wonderful exploration of the coastal routes around the island.
  • Sun 5 - Mon 6 May 2024
  • £198
  • 7 charities
Ventnor, Isle of Wight, UK

Isle of Wight Challenge | Full 106km over 2 days

The full 106km circumnavigation of the Isle of Wight, in daylight hours. Overnight at Cowes for a well-earned rest on this wonderful exploration of the coastal routes around the island.

  • 106 km multi terrain running + 1960 m ascent

100K ultra runs near you

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