Sun 3 May 2026 Marlborough, Wiltshire

Marlborough Downs Challenge | 20 Mile

The Marlborough Downs Challenge offers an opportunity to participate in a 20 mile or 33 mile ultramarathon trail races across the beautiful North Wessex Downs.

Sign up for £42-£44

Enter now
  • Sun 3 May 2026
Marlborough Leisure Centre, Marlborough
20 Mile

10:30

Age 18 & over

£42-£44

  • 20 miles trail running

Event overview

Both races are mostly off-road along scenic tracks and footpaths and are ideal for runners who want to make the move to longer distance running. There is plenty of rolling countryside to enjoy, with elevation of approximately 3000 feet in the 33 mile race and 1500ft in the 20 mile race.

This event is part of Marlborough Downs Challenge.

Event details

  • Average fitness
  • Beginner-friendly
  • Event village

Route

  • First aid
  • Food stations
  • Marshals
  • Navigation required
  • Water stations

Location

  • Changing facilities
  • Showers
  • Toilets
  • Unmanned bag storage

What's included

  • Snacks

How to enter

  • Age 18 & over
  • Entries open
  • Enter online
Enter now

Other races at event

  • Sun 3 May
  • #2 of 2
Marlborough Leisure Centre, Marlborough
33 Mile

09:00

Age 20 & over

£52-£54

  • 33 miles trail running
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.