We are excited to continue with the latest instalment of the Limitless Trails BYU Series. This one has a time cut-off and a sprint last lap finish to determine the winner.
The first eleven yards are the standard format, each one to be completed within an hour. The twelfth and final yard is a race.
Winning trophy for 1st place Male & Female
Anyone completing a yard receives a medal, and we have a special medal for anyone who reaches 32 miles ie ULTRA.
Set just outside Crickhowell deep in the Black Mountains the route is 50/50 Trail and Tarmac, with only one gradual climb and a short steep section, the rest is relatively flat terrain which means fast.
You will be fed & watered, with additional hot food after the 5th yard.
Start is 9am Saturday morning. Details will be confirmed via email - Monday PM before the event
Here are the rules :
We have a 4.167 mile loop
1/ Starting Corral Participants must be in the starting corral at the bell
2/ Starts . Each loop starts precisely 1 hour after the last . Runners will be given 3, 2, and 1 minutes prior to start . All competitors must start at the bell (no late starts)
3/ Loops . Except for restrooms, competitors may not leave the course until each loop is completed . No non-competitors on the course (including eliminated runners) . No personal aid during a loop (common aid stations are allowed) one will be at HQ . Each of the first eleven loops must be completed within an hour to be counted. . No artificial aids (including trekking poles) . Slower runners must allow passes.
5/ Timing . Timing of the loops is optional - we will have timing
6/ Winner/Results . The winner is the fastest person on the final (12th) yard, i.e. a race. . Results of each runner in terms of distance covered will be given.
7/ Cap . Race capped at 12 hours.
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Additional information for support crew:
1/ No supporters are allowed in the corral at any time
2/ No phone calls allowed to/from runners when they are on the course, other than an emergency
3/ Kitchen area is for staff only, we will have a pop-up kitchen for supporters' help with prep
Medics on site
Showers & toilets
Our photographers during the day hours. Free to download post-event
Parking @ HQ - £5 which enters you into a free event with us, distance of choice
Races Offered
Entry Fee
Sep 19, 2026
straighten
Distance —
12 Hours
terrain
Type —
Running
timer
19 days remaining
sell
£85.00
Weather History
These values represent the 3-year monthly averages for September in Crickhowell.
thermostatTemperature
11.3° / 17.6°
wb_sunnyFeels like
9.4° / 15.8°
light_mode
Avg sunshine hours
6h 43m
water_drop
Avg rainfall
4.6 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
13.0 km/h (Gentle breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
86.7%
wb_twilight
Sunrise
06:48
nightlight
Sunset
19:25
About Crickhowell
Learn more about the host city, Crickhowell.
Crickhowell is a small town in Powys, Wales. The town has a population of around 2,100 people (2011).