Join Phoenix Running South Wales this September and embark on the whimsical adventure known as ALICE IN RUNDERLAND, scheduled for Saturday, September 12th, 2026. This unique timed event offers an unparalleled level of flexibility, allowing you to choose your own distance from a minimum of 3.28 miles (5km) up to ultra distances over the course of seven hours. The race takes place in Parc Taf Bargoed, a stunning Green Flag park that seamlessly blends industrial heritage with modern beauty. The out-and-back loop is approximately 3.28 miles long and features mostly tarmac paths punctuated by about half a mile of riverside trail through lush greenery and picturesque landscapes. Runners will experience an elevation gain of just under 40 meters, making it both runnable and scenic. Whether you're planning to complete one lap or multiple laps over the seven-hour window, Parc Taf Bargoed offers runners and walkers alike a memorable journey. The race is designed with your comfort in mind; staggered starts begin at 8:30 am (registration opens at 7:30 am), ensuring that you can start whenever suits you best without feeling rushed or left waiting. Phoenix Running South Wales prides itself on providing top-notch support and amenities for all participants. From the moment you arrive, you'll be greeted with a well-stocked aid station ready to fuel your journey. Same-day results will give you instant gratification as soon as you cross the finish line, while digital bibs and certificates ensure that every runner's achievement is recognized. This year, Phoenix Running South Wales introduces an innovative no medal entry option starting at £20, making it accessible for runners on a budget without compromising on race day support. The event offers something special to everyone: whether you're aiming for one lap or pushing your limits further, the bespoke finishers' medals are waiting for every participant who crosses the line. With limited spots available and staggered starts from 8:30 am onwards (registration opens at 7:30 am), don't hesitate – sign up now to secure your place in this enchanting race experience. Your adventure awaits you in Parc Taf Bargoed, where every step is a story waiting to be told. What Three Words reference for the event location: ///magical.reference.sandwich Experience ALICE IN RUNDERLAND and immerse yourself in a world of wonder on September 12th, 2026.
Races Offered
Affiliated
Sep 12, 2026
straighten
Distance —
Affiliated
terrain
Type —
Running
timer
08:30
sell
£33.00
No Medal - Affiliated
Sep 12, 2026
straighten
Distance —
No Medal - Affiliated
terrain
Type —
Running
timer
08:30
sell
£20.00
No Medal - Unattached
Sep 12, 2026
straighten
Distance —
No Medal - Unattached
terrain
Type —
Running
timer
08:30
sell
£22.00
Unattached
Sep 12, 2026
straighten
Distance —
Unattached
terrain
Type —
Running
timer
08:30
sell
£35.00
Weather History
These values represent the 3-year monthly averages for September in Treharris.
thermostatTemperature
10.9° / 16.8°
wb_sunnyFeels like
8.3° / 14.6°
light_mode
Avg sunshine hours
7h 30m
water_drop
Avg rainfall
5.2 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
14.7 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
84.9%
wb_twilight
Sunrise
06:48
nightlight
Sunset
19:26
About Treharris
Learn more about the host city, Treharris.
Treharris is a town and community in the Taff Bargoed Valley in the south of Merthyr Tydfil County Borough, South Wales. It is located about 0.6 miles (1.0 km) west of Trelewis, from which it is separated by the Taff Bargoed river, and 0.9 miles (1.4 km) from Nelson in Caerphilly county borough and has a population of 6,356 from the 2011 Census. As a community, Treharris includes the villages of Quakers Yard and Edwardsville. Due to steepness and narrowness of both the Taff and Taff Bargoed valleys at Treharris several notable bridges and viaducts have been built in the area.