Running
50 Mile Ultra
80.5 km
Beast of the Beacons 10, 20 and 40 Mile Trail Running Challenge
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Trail in United Kingdom, Talybont-on-Usk
Distances
Running
40 Mile
65 km
Start: Apr 15, 11:30 AM
128.00 EUR
Running
32 Mile Ultra
51.5 km
Running
20 Mile
32.5 km
Start: Apr 15, 12:30 PM
80.00 EUR
Running
Half Marathon
21.1 km
Running
10 Mile
16 km
Start: Apr 15, 02:30 PM
48.00 EUR
About
A challenging trail running event in the Brecon Beacons National Park featuring 10, 20 and 40 mile routes with full support, checkpoints, and awards.
Typical weather in Talybont-on-Usk
Monthly averages based on historical data (2000–present).
Jan5°0°
↑ 08:15
↓ 16:33
Feb5°0°
↑ 07:31
↓ 17:28
Mar7°1°
↑ 06:29
↓ 18:19
Apr10°3°
↑ 06:18
↓ 20:11
May13°6°
↑ 05:22
↓ 21:01
Jun16°9°
↑ 04:56
↓ 21:35
Jul17°10°
↑ 05:15
↓ 21:27
Aug17°10°
↑ 06:00
↓ 20:39
Sep15°9°
↑ 06:50
↓ 19:30
Oct11°6°
↑ 07:39
↓ 18:22
Nov8°3°
↑ 07:34
↓ 16:25
Dec5°1°
↑ 08:15
↓ 16:05
What's included in entry
- Bespoke medal
- Handcrafted Welsh Slate trophy (1st/2nd/3rd)
- Random review entry voucher (RaceCheck)
- Refuelling stations with food and drink
- Full medical and support team on course
- Chip timing and tracking
- Online results and photo gallery
- Canicross Trophy (top 3 canicross)
Prices & signup
- 10 Mile48.00 EUR
- 20 Mile80.00 EUR
- 40 Mile128.00 EUR
FAQ
+ Do I have to carry everything on the manditory kit list?
You absolutely do! The mountains are unpredictable and the weather can change fast. We preform rigorous kit checks at registration and at random checkpoints on the event itself. We reserve the right to pull you from an event if you're not carrying all of the kit.
+ Can I transfer my entry if I can't take part anymore?
Transferring an enrty is easy but must be done 7 days prior to an event. You can either do transfer directly through SiEntries or you can contact us directly and we can change it for you.
+ Can I get a refund if I can no longer take place?
Unfortunately we can't offer any refunds but we have a lot of other options! To see how we can help you read to our Refunds and Transfer Policy.
+ When do I get my results?
Results are emailed out to you within 24 hours after the event finishes and are usually available on the website within 48 hours. They'll also be shared on our Facebook page within 24 hours.
+ Where do I find the GPX files?
The GPX files are all found at the bottom of each events page.
+ When do I get my final event email?
You final event email will be sent out to you about a week before the event. Make sure you read it ALL. If there are any changes to the event then they will be in this email.
Last updated: Jun 6, 2026, 12:03:23 AM
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