EASTER 50 ULTRA
Challenge Options

Sat 12 April 2025

With 50km, 25km & 10km options – it’s the perfect opportunity to challenge yourself in spring and get in shape. Join 2,000 others for and Walk, Jog, or Run from Windsor Racecourse.

Event is weekend BEFORE Easter

THE 50 km Challenge

Windsor LOOP

12 April 2025

From Windsor the ‘figure of 8’ route follows The Thames Path with fantastic views of the riverside & surrounding countryside, passing Eton College, and old Windsor before a snacks & drink stop at Runnymede. You follow ‘The Great Walk’ towards Windsor Castle with epic views as you get close. A lunch stop back at basecamp, before the 2nd 25 km loop – with more of the Thames Path, a final rest stop at Dorney Court, then back to the Racecourse where a loud cheer & celebration await.

50 km & 320 m

  • Start: Windsor Racecourse
  • Start times: 8am – 9.30am walkers & joggers (runners will be off first at 8am)
  • Solo Challenger start time option – join up with others.
  • Finish: Windsor Racecourse
  • Finish times: Runners 4 – 6 hrs, joggers 5 – 8 hrs, walkers 8 – 12 hrs

All rest stops have – covered seating areas, toilets, medics & manned by our event teams. 

  • 12 km – snacks, hot drinks & water
  • 25 km – picnic lunch & fizzy drinks 
  • 42 km – snacks, hot drinks & water
  • 50 km – meal, hot drinks & water
  • Finish – glass of fizz, medal & t-shirt

There’s a full range of optional parking & pre or post Challenge Shuttle bus transfer services, to make it easy to join & exit – and to provide flexible options for your planning. These include: 

  • Parking at Windsor Racecourse 
  • Shuttles to and from Slough train station (good London links) before and after your challenge

 

See ‘Bookable Extras’ for full details

2 available 

For WALKERS looking to achieve a sub 12 hour total time for 50 km. There’s a dedicated start time to opt into on the Reg Form – and join in with 200 or so other ‘Marchers’

25 km & 175 m

  • Start: Windsor Racecourse
  • Start times: 8.30am – 10.30am
  • Finish: Windsor Racecourse
  • Finish times: Runners 2 – 3 hrs, joggers 3 – 5 hrs, walkers 4 – 6 hrs

All rest stops have – covered seating areas, toilets, medics & manned by our event teams. 

  • 12 km – snacks, hot drinks & water
  • 25 km – picnic lunch, hot drinks & water
  • Finish – glass of fizz, medal & t-shirt

There’s a full range of optional parking & pre or post Challenge Shuttle bus transfer services, to make it easy to join & exit – and to provide flexible options for your planning. These include: 

  • Parking at Windsor Racecourse 
  • Shuttles to and from Slough train station (good London links) before and after your challenge

 

See ‘Bookable Extras’ for full details

The 25 km Challenge

Windsor Loop

12 April 2025

The 25km loop heads along the Thames Path passing Alexandra & Home Park, with a pit stop for snacks & drinks near historic Runnymede, before heading to Windsor Great Park with magnificent views of the Castle. Then back to basecamp for the finish line celebrations.

THE 10 km Challenge

Windsor Loop

12 April 2025

Perfect if you want a more leisurely start to your season – or perhaps to bring the children along and make it an active family day out! The route heads around Eton, then crosses over the river to the Windsor area – and heads west with fantastic views of the magnificent Castle before making our way back to basecamp – where a picnic lunch awaits!

10 km & 25 m

  • Start: Windsor Racecourse
  • Start times: 10:30am start for all
  • Finish: Windsor Racecourse
  • Tea / coffee / snacks at the start. 
  • Picnic lunch, hot drinks & water at finish

There’s a full range of optional parking & pre or post Challenge Shuttle bus transfer services, to make it easy to join & exit – and to provide flexible options for your planning. These include: 

  • Parking at Windsor Racecourse 
  • Shuttles to and from Slough train station (good London links) before and after your challenge

 

See ‘Bookable Extras’ for full details

Are you ready to sign up ?

2024 EVENT Factsheet

All you need to know about the Challenge. Print it off or send it to your friends!
2025 Factsheet coming soon!

17 Amazing Challenges

Over 200,000 adventurers have taken on an Ultra Challenge® so far, and the 17 unique events make up the UK’s biggest & best series of treks & trail runs – which have also raised £55+ million for charities. Whichever challenge you choose, you’ll get full support all the way so you can set a new goal, enjoy the British countryside, and Push Yourself Further! Whoever you are – If you’re up for a challenge, it has to be an Ultra Challenge in 2025.

Map

Lake District Ultra Challenge

7-8 June 2025

100 km loop + Half  + Marathon + Quarter Challenge options & Ambleside 10K

FULL DETAILS >

1 of 16

Isle of Wight Ultra Challenge

3-4 May 2025

106 km ‘Full Island’ Loop + Half & Quarter Island options AND  ‘Cross Island’ & Medina 10 Mile challenges.

FULL DETAILS >

2 of 16

London 2 Brighton Ultra Challenge

24-25 May 2025

100 km + Half, Marathon & Quarter Challenge distance options + Brighton 25 km Loop!

FULL DETAILS >

3 of 16

South Coast Ultra Challenge

6-7 Sept 2025

100 km + Half & Quarter Challenge options

FULL DETAILS >

4 of 16

Jurassic Coast Ultra Challenge

17-18 May 2025

100 km + Half & Quarter Challenge options AND Marathon & Bridport 10K

FULL DETAILS >

5 of 16

Thames Path Ultra Challenge

13 – 14 Sept 2025

100 km + 3/4 + Half & Quarter Challenge options & Henley 10K

+ Thames Bridges 25km Trek (Sat – Central London)

+ Friday Moonlight 10K Walk (Central London)

+ The Henley 10K (Sunday)

FULL DETAILS >

6 of 16

South West Coast 50 Ultra Challenge

2 August 2025

50 km Loop + 25 km & 10 km Challenge options

FULL DETAILS >

7 of 16

Gower Peninsula Ultra Challenge

19-20 July 2025

100 km (fig. of 8) 50 km Loops (West & East) + Marathon + 25 km & 10 km Challenge options

FULL DETAILS >

8 of 16

Peak District Ultra Challenge

28-29 June 2025

100 km (Fig. of 8) + Half (loop) & Quarter Challenge options & The Bakewell 10 Mile. 

FULL DETAILS >

9 of 16

Cotswold Way Ultra Challenge

21 – 22 June 2025

100 km + 3/4 + Half & Quarter Challenge options. + Cirencester 10K

FULL DETAILS >

10 of 16

Chiltern 50 Ultra Challenge

27 Sept 2025

50 km Loop + 25 km & 10K Challenge options

FULL DETAILS >

11 of 16

North Downs 50 Ultra Challenge

26 July 2025

50 km Loop + 25 km & 10km Challenge options.

FULL DETAILS >

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Easter 50 Ultra Challenge

Sat 12 April 2025

Windsor

50 km, 25 km, 0r 10 km Loops from racecourse basecamp.

FULL DETAILS >

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London Summer Walk

Sat 23 August 2025

50 km or 25 km or 10 km looped route – Woolwich Start / Finish

FULL DETAILS >

14 of 16

London Halloween Walk

Sat 25 October 2025

25 KM or 10 KM spooky looped route options. Start / finish – The Oval Cricket Ground ‘dungeon’,

FULL DETAILS >

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NEW – Kent Downs 50 Ultra Challenge

Sat 11 October 2025

50 KM, 25 KM or 10 KM looped routes options. Start / finish – The Kent Showground nr. Maidstone.

FULL DETAILS >>

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