Windsor 50 Ultra Challenge
Sat 18 Apr 2026 Windsor, Berkshire, UK

Windsor 50 Ultra Challenge

Get active after 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.

3 races

  • Sat 18 Apr
  • #1 of 3
Royal Windsor Racecourse, Windsor

50km

08:00

Age 16 & over

£139

  • 50 km trail running + 320 m ascent
  • Sat 18 Apr
  • #2 of 3
Royal Windsor Racecourse, Windsor

25km

08:30

Age 14 & over

£89

  • 25 km trail running + 175 m ascent
  • Sat 18 Apr
  • #3 of 3
Royal Windsor Racecourse, Windsor

10km

10:00

Age 8 & over

£49

  • 10 km trail running + 25 m ascent

Event overview

From the Windsor Racecourse basecamp, 1,500 adventurers will head out on looped routes through the Great Park with fantastic views of the Castle, on to Runnymede, along the Thames Path, and take in some wonderful surrounding countryside.

You’ll get full support all the way, and a celebration finish back at basecamp. It’s a great way to kick off the Ultra Challenge® season and start to get in shape for summer.

The Ultra Challenge Experience

This challenge is part of the UK's number one series of treks and trail runs for a wide range of ages, fitness and experience levels.

Choose your challenge and do it at your pace. The level of support enables you to go further, whilst enjoying the great outdoors, camaraderie, and the challenge. There are marquee rest stops, lots of food and drink, medical and massage teams, with a fully signed route to guide you.

A big finish-line celebration awaits with an amazing sense of achievement, and once the aches subside, you’ll feel energised, up for more of life’s real challenges – and, maybe, personal horizons redefined.

Event video

  • Average fitness
  • Beginner-friendly
  • Event village
  • Families

Your challenge, your way

Whether you’re a walker and new to challenge events, an experienced trekker, a marathon enthusiast upping the distance, or a seasoned ultra runner after UTMB points – there’s an Ultra Challenge® for you! Walk, Jog, or Run at your pace, as an Individual or a Team, for a charity of your choice or just for you.

There’s a new Ultra Trailblazerz® option for ‘rapid runners’, and an Ultra March® option for ‘hasty hikers’, plus a friendly ‘Solo Challenger’ start time to join up with others. The Windsor 50 Ultra Challenge® is fun, safe, and rewarding with full support all the way, enabling you to push yourself further in wonderful historic scenery, and enjoy a great day out!

  • BBQ
  • Cafe
  • Camping
  • Changing facilities
  • Music
  • Paid parking
  • Rural
  • Secure bag storage
  • Showers
  • Toilets

Event HQ

Royal Windsor Racecourse
Maidenhead Road
Windsor
Berkshire
SL4 5EZ
UK

We were so impressed how well organised it was. From registration to the finish line everything was amazing - the staff were so lovely and helpful - the catering was outstanding and all the facilities clean and tidy. A huge thank you to you all!!

For my first event I was amazed at how well organised it was. Particularly as I was on my own. Very well signposted. Excellent medical assistance. Very friendly crew. Fab event!

Races at event

  • Sat 18 Apr
  • #1 of 3
Royal Windsor Racecourse, Windsor
50km

08:00

Age 16 & over

£139

  • 50 km trail running + 320 m ascent
  • Sat 18 Apr
  • #2 of 3
Royal Windsor Racecourse, Windsor
25km

08:30

Age 14 & over

£89

  • 25 km trail running + 175 m ascent
  • Sat 18 Apr
  • #3 of 3
Royal Windsor Racecourse, Windsor
10km

10:00

Age 8 & over

£49

  • 10 km trail running + 25 m ascent
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.