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The Medieval Backyard Ultra:
South Wales' Premier "Last One Standing" Race
Welcome to the Medieval Backyard Ultra, located at the enchanting Cosmeston Medieval Village in Penarth, just outside Cardiff, South Wales.
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This is a unique themed ultra marathon where mental grit matters more than speed. Whether you are a seasoned endurance athlete or looking to complete your first ultra distance, the flat course makes this the perfect venue.
The Rules of the Backyard: Instead of a finish line, there is only a starting line.
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The Distance: 4.167 miles (6706 meters) every hour.
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The Bell: You must be in the starting corral before the bell rings at the top of the hour.
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The Winner: The race continues until only one runner remains to complete a lap.
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The DNFs: Everyone else receives a "Did Not Finish."
So come and have a crack at the inaugural Medieval Backyard Ultra, located at the enchanting medieval village, Cosmeston Lakes, Wales.
race info
Friday 24th April
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16:00: HQ Opens for Registration & Camp Setup.
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Note: Solo runners are welcome! We provide a dedicated indoor shelter for unsupported runners, so you don't need a crew to compete.
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Saturday 25th April
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10:00: The First Yard (Lap 1) Begins.
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11:00: Lap 2 Begins... and continues until the last runner stands.
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Event HQ is located in the fantastic setting of Medieval Village at Cosmeston Lakes. The route will follow mixed trail path consisting of around 171ft of elevation gain per lap. Facilities available at HQ include plumed toilets, charging points (for phones, devices etc) and plenty of room for camping at the start/finish line. In addition there is an indoor area to provide shelter for unsupported runners. HQ will open at 1600 on Friday 24th April for arrival and registration.
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Chip timing
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Fully marked route
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Event team (first aid/marshals)
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Camping (no electrical points)
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Zero waste log slice medal
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Medieval wooden beaker
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Hot/cold water (burco boilers)
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Snacks for runners
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Tissues for when the crying starts
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A race director with a winning personality (SUBJECT TO CHANGE)
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Camping ground
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Toilets (male, female and disabled)
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Hot and cold water
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Car parking (Note: parking is limited so please car share if possible)
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Unsupported runner area
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what's included
Facilities
cost
Standard entry = £95
location
Cosmeston Country Park, Penarth CF64 5UY
A Flat & Fast Course: Hunt for Your PB
Unlike the brutal hills of the Breakheart Backyard Ultra, the Medieval route is designed for distance.
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Elevation: Minimal. This is a mostly flat course comprising compact gravel trails, woodland paths, and tarmac through the stunning Cosmeston Lakes Country Park.
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Surface: Fast underfoot and wide enough for overtaking.
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PB Potential: Because the route is flat, this is the ideal event to push past 50 or 100 miles for the first time.
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