Rebellion Ultra Marathon Logo
UTMB Qualifying Race Supporting National Trails

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** This event has been postponed and all entries moved to Rebellion Winter - October 2020 **

The Rebellion Summer the slightly warmer version of the popular Rebellion Winter. It is a 135 mile (217 Km) Ultra Marathon in Mid Wales. It follows the full length of the Glyndwr's Way National Trail with a total ascent of just over 25,000ft (7700m). The event starts in Knighton, just on the Welsh border and loops through Machynlleth. The event finishes in Welshpool. It is one of the most beautiful and demanding ultra running routes in the UK.


Glyndwr's Way National Trail is one of the newest National Trails and doesn’t follow any particular geographic features or any historic routes. It links many places associated with Owain Glyndwr and is where is gets its name. Owain Glyndwr was the last Welshman to hold the title Prince of Wales and led a rebellion against the English. The route has an unusual V shape due to the way it links the places.

The race starts at 19:00 on Friday the 15th May and has a 60 hour time limit to reach Welshpool (07:00 on Monday the 18th May). Meaning competitors must average just 2.25 miles (3.6km) per hour to complete the race. There are 4 checkpoints on route that all competitors must pass through within a time limit. Each checkpoint is a community hall/leisure centre that is well stocked with food, hot drinks and water for competitors to recharge and re-supply.

Each competitor is given a GPS tracking device so we can track the atheletes all times during the race and family and friends can watch the races progress online. The GPS tracker is also equipped with a SOS button, so if you do have a problem we can find you..

If you want or need to withdraw from the event after starting, we will transport you to your nearest checkpoint where you can arrange your own transport home from there.

Coach Option

Coaches can be booked at time of entry allowing to park your car at Welshpool and get the coach to the start in Knighton, the coach cost is £10

Countryside Code

The route of the race goes through farm land, farms, private forests and private estates. As such the countryside code must be followed at all times. You are responsible for the opening and closing of gates during the race.

What you get

  • Dedicated Safety and Medical cover
  • GPS Tracker to use on the event. Family and spectators can track your progress online
  • Checkpoint refreshments
  • Up Hill Down Dale finishers momento
  • 10% discount on next race with Up Hill Down Dale

Top 3 finishers

  • Up Hill Down Dale special momento
  • Free entry to another Up Hill Down Dale event
  • Sponsor goodies

Taking Part

You do not have to have completed any qualifying races prior to entry but you MUST be prepared to be in remote locations for long periods and adverse weather and probably on your own. By entering the race you are stating that you deal with the conditions you will face in Wales in November. You are also stating that you can employ a level head in difficult conditions and not take unnecessary risks.

Drop Bag/Finish Bag

Your Drop/Finish bag will be collected at registration, once the drop bag has been used they will be transported to the finish. 1 drop bag is allowed and this will be available to you at Machynlleth (75 Miles), 1 finish bag is allowed and this will available at the finish in Welshpool

Drop bags dimensions are 55cm x 45cm x 25cm, these will be checked at registration and if they don't fit in "Bob the Basket" they will not be excepted, No exceptions


The Rebellion is a ITRA and UTMB® qualifying race and has been awarded 6 points by the ITRA and UTMB®


Early bird price is £230, Full price from 01/12/19 is £250


If for any reason you are unable to attend the race, there will not be a refund or an option to defer your entry, however you are welcome to transfer your entry to another competitor via SiEntries, the cut off for transfers is 28 days prior to the start of the event.

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