Website Links


Welcome to our links page. Here you will find various links to some very interesting and useful websites. Links are listed alphabetically by Company/Organisation name.

Please note XNRG cannot be held responsible for the content contained in external websites.

 

  • 9Bar
    9Bar Natural Energy Products. 9Bar sponsors all of our events
     
  • BucksMTB - Buckinghamshire Mountain Bike Club
    Local Chiltern Hills based Mountain Bike Club covering Bucks, Beds, Herts and Oxon. Club holds regular rides, events and Club trips. Huge local mountain bike online web database too.
     
  • Buffwear
    Buffwear, one of our event sponsors.
     
  • Camber-Services
    Web, graphic, logo and photography design services. The XNRG website is managed by Camber Services.
     
  • Centurion Running
    If you haven't done a 100 mile run yet and fancy doing one, please look at Centurion Running. They specialise in putting on well organised, well supported and safe 100 mile races in the South of England. Their events compliment our multi-day events as they follow similar routes. So if you fancy the step up please click on the link above to go to their website.
     
  • DUV
    Ultra Marathon Statistics.
     
  • Get Ultra Running
    Get Ultra Running, a website full of useful information for Ultra runners.
     
  • Go-Ape
    Go-Ape Adventure, sponsors of our Family Adventure Challenges.
     
  • Hermes Running
    Trail Races including marathons and half marathons.
     
  • Hexx
    Hexx sports and leisurewear, one of our event sponsors.
     
  • Hi-Tec
     Hi-Tec sportswear, one of our event sponsors.
     
  • Jogging Buddy
     Free social networking website for runners around the world.
     
  • Mountain Mania Cycles
     Cycle Shops in Tring, Didcot and Goring.
     
  • Rubbeez
    Rubbeez sponsors our Druid Challenge
     
  • Runners World
    Runner's World is the UK's largest running magazine.
     
  • Summit MTB
    High Wycombe based Mountain Bike Club and Events organiser.
     
  • TimeOutdoors.com
    Time Outdoors Online Directory and Events.
     
  • Ultra Marathon Running
    Runners database and first port of call for all things running.
  •  
  • ULTRArace
     ULTRArace Ltd - by ULTRArunners for ULTRArunners.
     
  • Up and Running Aylesbury
     Running Specialist store in Aylesbury.
     
  • Wigwam
    Wigwam sponsors our Druid Challenge Event.
  

 

  


 

  

 
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Extreme Energy the home of ultra running, ultra trail running and ultra marathon running. Ultra distance running and ultra trail running is one of the fastest growing endurance sports in the world. All Extreme Energy's events are ultra distance, covering more than a marathon, which in the running world is called ultra marathon running. The ultra trail running world is about 15% of all those that run in the world and the popularity of ultra distance running and ultra trail running is increasing each year. Extreme Energy specialise in multi-day ultra distance trail running, or ultra marathon distance events over a weekend. They are run in a fun and safe atmosphere