Step into the heart of rural Tennessee for an endurance test like no other: the Black Barn Backyard Ultra. This unique race challenges runners to push their limits hour by hour, yard by yard, until only one stands victorious. The format is straightforward yet unforgiving—each competitor must complete a 4.167-mile loop starting every hour on the hour. If you finish before the next bell sounds at the start of your lap, you earn another chance to run. The Black Barn Backyard Ultra has no predetermined end or set distance; it continues until just one runner remains standing. The race can stretch for hours or even days, with each successive loop building a larger prize purse that starts at $100 and increases by the same amount every hour as long as runners keep going. Competitors are responsible for their own nutrition and pacing strategies, making this an event where mental toughness is just as crucial as physical stamina. The atmosphere around the Black Barn Backyard Ultra is electric with a mix of anticipation and determination. Runners gather at dawn to start what could be a marathon or an epic multi-day adventure through scenic Tennessee countryside. Every hour brings new challenges and opportunities, creating stories that are etched in the memories of those who dare to participate. Registration for this year’s event on October 2, 2027, offers runners more than just a chance at glory; it promises a badge of honor with every completed loop. Those who reach the milestone of 100 miles receive a custom engraved belt buckle and an equally impressive DNF medal if they don’t make it to the finish line but still defy time’s relentless march. The Black Barn Backyard Ultra is not just about running; it's about testing your resolve against nature, competitors, and yourself in one of the most distinctive races on any runner's bucket list.
Races Offered
Last Runner Standing
Oct 02, 2027
straighten
Distance —
Last Runner Standing
terrain
Type —
Running
timer
08:00
sell
$150.00
Weather History
These values represent the 3-year monthly averages for October in Bonney Lake.
thermostatTemperature
6.6° / 16.0°
wb_sunnyFeels like
4.5° / 14.3°
light_mode
Avg sunshine hours
6h 57m
water_drop
Avg rainfall
4.1 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
6.7 km/h (Light breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.8)
humidity_mid
Humidity
84.2%
wb_twilight
Sunrise
07:28
nightlight
Sunset
18:18
About Bonney Lake
Learn more about the host city, Bonney Lake.
Bonney Lake is a very busy city in Pierce County, Washington named for William P. Bonney. The population was 22,487 at the time of the 2020 census.