5 UK ultramarathons in 2020

5 of the best UK ultramarathons 2020

Done a marathon or two and looking for a new challenge? Why not step into the world of ultramarathons and enter a 50K, 100K or beyond! There are some amazing UK ultramarathons in 2020. Some of the best are already sold out, so if you fancy any of the ones listed here, make sure you get your entry in fast!

We think that ultramarathons are ultra achievable and if you can run a marathon, you already have the right mindset and fitness to increase your distance. Here are a mixture of ultramarathons in the UK to whet your appetite.

Winter Green Man Ultra

7th March 2020

There are two distance options for the Winter Green Man Ultra: 45 miles or 30 miles. They both use the same course around the community forest paths of Bristol, with two different start points. There is also a Summer Green Man Ultra (which will be held on 22nd August 2020), and the two seasonal events are run in opposite directions. The Winter Green Man Ultra will go anti-clockwise. Complete both events in the same year and you can earn a bespoke buckle.



The Oner

4th-5th April 2020

If you’re looking for the ultimate challenge, then this could be the one for you! Only 50% of starters make it to the finish. Why? Well, it’s 82 miles along the Jurassic Coastline, from Studland to Charmouth, self-navigated and with a cut-off of 24 hours. There are regular checkpoints and you’re given a tracking device so you can be found. Those trails are hard enough in the daylight, but through the night is another beast entirely. If you’re not quite ready for the full challenge, there are both Quarter and Half options available too.


Ox 50

9th May 2020

A lapped route covering 50 miles (ish) over the trails of the Rushmore Estate near Salisbury. There is a generous cut-off, plenty of epic aid stations, which everything you need to keep you going, and one of the best medals around. Plus, as an added bonus, if you can’t make the 50 miles in the time allowed, you still get a medal for the Ox Frolic (as long as you complete one lap), a 12-hour event taking place at the same time, so no one goes home empty handed.


Race to the Stones

4th-5th July 2020

Why not try 100K along Britain’s oldest path? It’s certainly an epic challenge, but this race has a good reputation for being great for newcomers to the distance. You can opt to do day 1 or day 2, 50K each; you can do the 100K over two days, camping in the middle; or you can do 100K straight through, giving plenty of options for all abilities. The signage is good and fully stocked pitstops every 10K or so to keep you going.



You could also do Race to the King, in June, which finishes in Winchester; the new Race to the Castle also in June, which is in Northumberland; or Race to the Tower on the Cotswold Way in July.

Run Jurassic Ultra

26th September 2020

Run just over 50K along the Jurassic Coast with this stunning race, back for a second year. Starting at the iconic Durdle Door, you follow the South West Coast Path (mostly; there are a few diversions from the main path) all the way to Burton Bradstock. It’s challenging, but ultimately very doable. Stay at the Freshwater Beach Holiday Park (the end point) and make a real weekend of it. Other race distances are available too.


New to ultra running? Read our 10 quick tips for running an ultramarathon!