Yellow Belly Ultra

09/06/2026

X Giveaway!

We're celebrating partnering up with The awesome Tea and Trails podcast by giving you the chance to toe the start line on the Yellow Belly Ultra Summer Or Winter 50 mile ultra in the beautiful Lincolnshire Wolds.

To be in with a chance of winning, head over to Instagram and ...

1) Like this post and tag a friend in the comments....a friend who would be the perfect trail buddy!

2) Share the post to your stories &

3) Follow &

This competition closes at Midnight on 30th June 2026 | This competition is for Instagram ONLY
1 winner will be contacted by direct message

Good luck!

06/06/2026

Good evening Yellow Bellies!
Good luck to everyone taking part in the Tape2Tape Events tomorrow.

McNasty and McNice will be at the finish line at People's Park with a small obstacle course for both kids and adults.

Come over, Say hello, take part and see what we have going on in the

04/06/2026

Evening Yellow Bellies!

The GPX route for the Yellow Belly 100 is now complete and has been added to our website.

https://yellowbellyultras.co.uk/races/ultramarathons/yellow-belly-100

Next up in the Yellow Belly Race calendar is the Summer 50 on Saturday September 12th
50 awesome miles & 4000ft of elevation in the beautiful Lincolnshire Wolds!
There's still plenty of time to get your training in for this event.
Enter via the link below

https://yellowbellyultras.co.uk/races/ultramarathons/summer-50-miler

Yellow Belly Ultras unleashes a full, uncompromising 100 mile ultramarathon through the breathtaking Lincolnshire Wolds AONB. Sign up today!

27/05/2026

Afternoon Yellow Bellies! We've just received some photos from photographer Mike Stringer who kindly attended the 10K Lunacy obstacle race to capture all of your pain and suffering.
It turns out you're all smiling!

Our next event will be the Summer 50 Mile Ultra on 12th September.
https://register.enthuse.com/ps/event/YellowBellyUltra502026September #

The Lunacy will be back in October with even more obstacles!

19/05/2026

Evening Yellow Bellies!

Our next event will be the Yellow Belly Ultra 50 on 12th September 2026.
This is our second edition of the Summer 50.

What we offer:
°4 fully stocked aid stations
° Highland Nutrition "Bare Fuel" supplied at Checkpoints.
°Fantastic Yellow Belly Volunteers & support staff
°A stunning 50 mile route in the Lincolnshire Wolds AONB
°Drop bag access at 25 miles
°Full GPS tracking for family & friends to follow
°GPX route provided
° Medical support
°Finishers photo as well as photos out on the course
°A giant solid medal to mark your achievement
°A Yellow Belly Pale ale to all finishers
°Prizes for 1st, 2nd & 3rd Male and Female finishers

Enter via the link below to secure you place
https://yellowbellyultras.co.uk/races/ultramarathons/summer-50-miler

GB Ultra Runner is your go-to resource for ultramarathon events across the UK. Explore race listings, expert training plans and use our running pace calculator to plan your next big run.

17/05/2026

1st place male reaching the finish line in 45 minutes at today's Yellow Belly Ultra Lunacy 10k run.
Outstanding performance Luke Pomfret

1st place female was Ellie-Mai Patterson in 55 minutes.

17/05/2026

17/05/2026

Yellow Belly Ultras - Lunacy 10k Obstacle race 2026

17/05/2026

Evening Yellow Bellies! Here's some more race day photos from today's Lunacy Run. Thanks again to everyone who took part and helped to make it a memorable event. We'll be back again in Autumn with some newly built obstacles to test your head for heights and more!