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100 Challenge Series 1

Push yourself...

100km. Walk it, Jog it, or Run it

Bigger & better for 2016 with NEW 2 Day & Half Challenge options. Full support all the way. Varied route - 60% off road.

London 2 Brighton Challenge

28/29 May 2016 - Walk, Jog, or Run

Still time to join. 250 places left....

One of UK’s great endurance events. Most will Walk it, many will Jog parts, and some will Run the full 100km. All will have a special reason to take on the Challenge - and whatever yours is, it will be a unique test of stamina & determination.

It's tough but achievable - and an unforgettable journey of self discovery with full support all the way. So why not get in shape and push yourself in 2016 - it might be the most rewarding May Bank Holiday weekend you've had in years! 

  • WALK IT - at your own pace ~ 24+ hours 

  • JOG IT - run a bit, walk when it suits you!

  • RUN IT - fully supported 'Ultra Marathon'

  • Varied 100km route - 60% 'Off Road'

  • Join as an Individual or as a Team

  • HALF CHALLENGE options (1st & 2nd)

  • NEW 2 DAY option - sleep/camp at half way

  • Richmond-on-Thames start 

  • FREE hot meals, drinks & snacks en route

  • Marquee rest stops every ~12.5km

  • Pace walkers, physios, massage, medics 

  • 100km run trophy - Record is 9 hrs 12 min

  • Fundraise for a Charity of YOUR choice

  • SELF FUND OPTION (no fundraising)

  • NEW SPECIAL DEAL for 100km Runners!


Join us for a Real Challenge ...

Call 0207 609 6695 to get in touch or email

Our other Ultra Challenges ...

171x171 Iow

30 Apr -1 May

... Live updates & action on website

Around the coastal path - 106km. Stunning scenery, Needles & cliff top views! 1/2 & 1/4 Challenge options also. Follow the live action this weekend...

171x171 L2cc

2-3 July '16

A Trail of 2 Cities
100km or 50/25km

Starts close to the Olympic Park - up the fascinating Lee Valley - on through scenic countryside. 2016 is it's last year - so don't miss out on a classic!

Sc 171x171

27-28 Aug '16

NEW for 2016
Stunning Scenery!

An Eastbourne start, Beachy Head, Seven Sisters, South Downs Way, Brighton mid point, and Arundel finish. Full 100km and 50/25km options...

171x171 Tpc

10-11 Sep '16

Festival of events
New 2016 Options

Beautiful & historic scenery. Putney Bridge to Henley 100km or 50/25km legs. NEW Oxford to Henley Challenge & Thames Bridges Trek option


26/29 Aug '16

Amazing adventure
A Real Challenge!

2 marathon Treks for 200 adventurers over 2 days on the famous Laugavegurinn trail. Fantastic scenery, wilderness camping under midnight sun


Ultra Challenge Series Partners...

London 2 Brighton Event Partners...

The Ultra Challenge Series will raise over £7.5 million for charities