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Trail Ultra runs in Guildford

Find trail ultra runs in Guildford in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Take on a guided ultra trail adventure along the historic Greensand Way and stunning North Downs Way, through the Surrey Hills with sweeping views, ancient woodland and rewarding climbs.
  • Sat 2 May
  • £45
Guildford, Surrey

Greensand Way Ultra Run

Take on a guided ultra trail adventure along the historic Greensand Way and stunning North Downs Way, through the Surrey Hills with sweeping views, ancient woodland and rewarding climbs.

  • 30 miles trail running
  • Beginner-friendly
  • Enter online
  • Hilly
  • Event village
  • Age 18 & over
Join a 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 1 Aug
  • £139
Guildford, Surrey

North Downs 50 Ultra Challenge | 50km

Join a 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.

  • 50 km trail running + 830 m ascent
  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 16 & over
Follow ancient trails on a guided run along the North Downs Way plus Box Hill, tackling rolling hills and woodland paths with expansive views across southern England’s historic long-distance route.
  • Sat 3 Oct
  • £45
Guildford, Surrey

North Downs Way Ultra Run

Follow ancient trails on a guided run along the North Downs Way plus Box Hill, tackling rolling hills and woodland paths with expansive views across southern England’s historic long-distance route.

  • 30 miles trail running
  • Beginner-friendly
  • Enter online
  • Hilly
  • Event village
  • Age 18 & over

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