Welcome to the Murder Mile 2026! This one-mile challenge may seem simple at first glance, but it's been recognized by Runner’s World as one of the Top 10 Hardest Races. The course is notorious for its undulating terrain and has attracted runners from all over who are eager to test their limits. The current male record stands at an impressive 7 minutes and 49 seconds, set by Jacob Tasker of Ogmore Phoenix Runners, while Ceri Merwood of C.D.F holds the female title with a time of 9 minutes and 37 seconds. Both records come with a £30 cash prize for anyone who can break them. Participants must be at least 11 years old on race day to take part in this grueling event. Entry fees are set at £7.50 for affiliated runners and £9.50 for non-affiliated competitors, along with a small booking charge. The UKA Race Licence has been applied for to ensure the race meets all necessary standards. Race HQ is located at Pen Rhiwarwydd Farm, where you’ll find parking and bag storage facilities upon arrival. Registration will take place here as well, allowing runners to collect their numbers before heading out onto the challenging course. After crossing the finish line, participants receive an age-appropriate refreshment from a generous sponsor. The race award ceremony follows at The Church Inn in Mynyddislwyn, where prizes are awarded for first-place male and female competitors, as well as junior runners under 16 years old. With limited spots available, early registration is highly recommended to secure your place before entries close on August 27th, 2026. No day-of registrations will be accepted due to safety considerations and planning requirements. All abilities are welcome at the Murder Mile, but please note that this course is not suitable for wheelchair athletes. During registration, participants will provide a predicted race time which helps us position our volunteers effectively throughout the event. Once registered, cancellations or deferrals cannot be accommodated; however, you may transfer your entry to another runner through Entry Central before the deadline. No headphones except bone conducting ones are allowed during the run for safety reasons. By entering, participants agree that personal information including name, affiliation (if any), race times, and age category can be shared with governing bodies or affiliated organizations for insurance purposes, licensing requirements, or result publication. Don’t miss your chance to take on this legendary mile. Sign up now!
Races Offered
The Murder Mile
Aug 28, 2026
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Distance —
1.6K
terrain
Type —
Running
timer
26 days remaining
sell
£7.50
Weather History
These values represent the 3-year monthly averages for August in Ynysddu.
thermostatTemperature
12.5° / 19.8°
wb_sunnyFeels like
10.6° / 17.6°
light_mode
Avg sunshine hours
9h 29m
water_drop
Avg rainfall
3.1 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
13.9 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (4.9)
humidity_mid
Humidity
78.9%
wb_twilight
Sunrise
05:59
nightlight
Sunset
20:32
About Ynysddu
Learn more about the host city, Ynysddu.
Ynysddu is a small village, community and electoral ward in the Sirhowy valley of south-east Wales. It is part of the district of Caerphilly within the historic boundaries of Monmouthshire. It lies between to Cwmfelinfach and Wyllie, 4.3 miles (6.9 km) north of the town of Risca and 4 miles (6.4 km) south of the market town of Blackwood. It is about 10 minutes by road from the M4 motorway and 20 minutes from the Second Severn Crossing. The population in 2008 was 2,905, increasing to 3,948 at the 2011 Census.