25

50K ultra runs in South East

Find 50k ultra runs near me in South East 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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Make it an active Easter on a challenge from Windsor Racecourse on looped routes through the Great Park with fantastic views of the castle, to Runnymede along the Thames Path.
  • Sat 12 Apr
  • £139
  • Sat 12 Apr
  • £139
Windsor, Berkshire, UK

Easter 50 Ultra Challenge | 50km

Make it an active Easter on a challenge from Windsor Racecourse on looped routes through the Great Park with fantastic views of the castle, to Runnymede along the Thames Path.

  • Enter online
  • GPS tracking
  • Undulating
  • Age 16 & over
  • 50 km trail running + 320 m ascent
A NEW looped route setting out from the Chale basecamp, that gives you the best of the Island’s dramatic scenery along famous southern coastline to the iconic ‘Needles’.
  • Sat 3 May
  • £139
  • 13 charities
  • Sat 3 May
  • £139
  • 13 charities
Ventnor, Isle of Wight, UK

Isle of Wight Ultra Challenge | Southern Loop

A NEW looped route setting out from the Chale basecamp, that gives you the best of the Island’s dramatic scenery along famous southern coastline to the iconic ‘Needles’.

  • Chip timing
  • Enter online
  • Undulating
  • Hilly
  • Age 18 & over
  • 50 km trail running
The first half of the Isle of Wight circuit explore 52km of scenic coastal trails, enjoy spectacular coastal views along the undulating route with plenty of rest stops to keep you well fuelled.
  • Sat 3 May
  • £139
  • 13 charities
  • Sat 3 May
  • £139
  • 13 charities
Ventnor, Isle of Wight, UK

Isle of Wight Ultra Challenge | 1st Half

The first half of the Isle of Wight circuit explore 52km of scenic coastal trails, enjoy spectacular coastal views along the undulating route with plenty of rest stops to keep you well fuelled.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 52 km trail running + 1100 m ascent
Starting in Cowes, follow a clockwise route along the eastern side of the Isle of Wight, enjoying superb coastal views en route to the finish line at Chale.
  • Sat 3 May
  • £139
  • 13 charities
  • Sat 3 May
  • £139
  • 13 charities
Cowes, Isle of Wight, UK

Isle of Wight Ultra Challenge | 2nd Half

Starting in Cowes, follow a clockwise route along the eastern side of the Isle of Wight, enjoying superb coastal views en route to the finish line at Chale.

  • Enter online
  • Undulating
  • Hilly
  • Age 18 & over
  • 54 km trail running + 980 m ascent
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
  • £58-£60
  • Sat 10 May
  • £58-£60
Wadhurst, East Sussex, UK

Bewl Water Spring | Ultra

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
  • Hilly
  • Age 18 & over
  • 50 km trail running
A coastal trail ultra through the ancient village of Bosham towards Chichester Harbour with panoramic views of this AONB, to finish at the fantastic basecamp with food and bars.
  • Sat 21 Jun
  • £80-£85
  • 3 charities
  • Sat 21 Jun
  • £80-£85
  • 3 charities
Chichester, West Sussex, UK

Race to the King | Coastal 50K

A coastal trail ultra through the ancient village of Bosham towards Chichester Harbour with panoramic views of this AONB, to finish at the fantastic basecamp with food and bars.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 1885 ft ascent
Head through the historic town of Arundel and witness the impressive Arundel Castle as you meander along the River Arun, across the South Downs in breathtaking surroundings.
  • Sat 21 Jun
  • £80-£85
  • 2 charities
  • Sat 21 Jun
  • £80-£85
  • 2 charities
Chichester, West Sussex, UK

Race to the King | Castle 50K

Head through the historic town of Arundel and witness the impressive Arundel Castle as you meander along the River Arun, across the South Downs in breathtaking surroundings.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 50 km trail running + 2663 ft ascent
Join a mid-summer North Downs 50 Challenge! This looped route is set in an area of outstanding natural beauty of the Surrey Hills, taking in chalk ridges and ancient woodlands.
  • Sat 12 Jul
  • £139
  • Sat 12 Jul
  • £139
Guildford, Surrey, UK

North Downs 50 Ultra Challenge | 50km

Join a mid-summer North Downs 50 Challenge! This looped route is set in an area of outstanding natural beauty of the Surrey Hills, taking in chalk ridges and ancient woodlands.

  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 830 m ascent
Starting in Lewknor, this event presents a varied and scenic route steeped in history. Crossing England’s longest river at the halfway mark, the course finishes at the iconic Lattin Down basecamp.
  • Sat 12 Jul
  • £85-£180
  • 4 charities
  • Sat 12 Jul
  • £85-£180
  • 4 charities
Watlington, Oxfordshire, UK

Race to the Stones | Day One | Thames Valley 50K

Starting in Lewknor, this event presents a varied and scenic route steeped in history. Crossing England’s longest river at the halfway mark, the course finishes at the iconic Lattin Down basecamp.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 710 m ascent
Sticking to higher ground, you'll pass through a surprisingly isolated stretch of southern England and enjoy dramatic views before finishing with the full 100K at the awesome Avebury Standing Stones.
  • Sun 13 Jul
  • £85-£180
  • 4 charities
  • Sun 13 Jul
  • £85-£180
  • 4 charities
Wantage, Oxfordshire, UK

Race to the Stones | Day Two | Ridgeline 50K

Sticking to higher ground, you'll pass through a surprisingly isolated stretch of southern England and enjoy dramatic views before finishing with the full 100K at the awesome Avebury Standing Stones.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 630 m ascent
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
  • £58-£60
  • Sat 13 Sep
  • £58-£60
Wadhurst, East Sussex, UK

Bewl Water Autumn | Ultra

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
  • Hilly
  • Age 20 & over
  • 50 km trail running
The second half option of the Thames Path Challenge from Runnymede along the meandering river through Cookham to Henley-on-Thames, home of the regatta, to a celebration finish and family BBQ.
  • Sat 13 - Sun 14 Sep
  • £139
  • 12 charities
  • Sat 13 - Sun 14 Sep
  • £139
  • 12 charities
Egham, Surrey, UK

Thames Path Ultra Challenge | 2nd Half

The second half option of the Thames Path Challenge from Runnymede along the meandering river through Cookham to Henley-on-Thames, home of the regatta, to a celebration finish and family BBQ.

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • Undulating
  • Age 18 & over
  • 50 km trail running + 150 m ascent
The full distance option of the Chiltern 50 Challenge from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village.
  • Sat 27 Sep
  • £139
  • 11 charities
  • Sat 27 Sep
  • £139
  • 11 charities
Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge | Full 50km

The full distance option of the Chiltern 50 Challenge from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village.

  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 920 m ascent
Set in an Area of Outstanding Natural Beauty offering dramatic views, vibrant communities, a rich historic heritage, and diverse wildlife and habitats – featuring the North Downs Way National Trail.
  • Sat 11 Oct
  • £139
  • Sat 11 Oct
  • £139
Maidstone, Kent, UK

Kent Downs 50 Ultra Challenge | 50km

Set in an Area of Outstanding Natural Beauty offering dramatic views, vibrant communities, a rich historic heritage, and diverse wildlife and habitats – featuring the North Downs Way National Trail.

  • Enter online
  • GPS tracking
  • Undulating
  • Age 16 & over
  • 50 km trail running + 1000 m ascent
  • Sat 8 Feb
Horndean, Hampshire, UK

Hibernal Hills 50K Race

  • 50 km trail running
  • Sun 23 Feb
Dorking, Surrey, UK

North Downs Ridge 50K Trail Ultra

  • 50 km trail running
  • Sat 8 Mar
Amersham, Buckinghamshire, UK

Humanity Direct Amersham Ultra | Ultra

  • 50 km trail running
  • Sat 15 Mar
Henley-on-Thames, Oxfordshire, UK

Hundred Hills 50K

  • 50 km trail running
  • Sun 6 Apr
Arundel, West Sussex, UK

UK Ultra Springtide 50K Race

  • 50 km trail running
  • Sat 12 Apr
Hindhead, Hampshire, UK

The Spring Trail Series by Ultra X | 50K

  • 50 km trail running
  • Mon 5 May
Winchester, Hampshire, UK

BigWayRound - Winchester | 50K Ultra Marathon

  • 50 km trail running
  • Sat 10 May
Horsham, West Sussex, UK

Run to the Sea Brighton

  • 50 km multi terrain running
  • Sun 25 May
Brighton, East Sussex, UK

UK Ultra South Downs 50K

  • 50 km trail running
  • Sat 27 Sep
Lewes, East Sussex, UK

Dark Downs 50K Race

  • 50 km trail running
  • Sat 25 Oct
Oxford, Oxfordshire, UK

Thames Trail Ultra

  • 47 miles trail running

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