The Bear River Backyard Ultra returns to Delmar, Iowa on November 13th as a grueling endurance event that challenges participants to complete a loop every hour until only one remains standing. Nestled in the heart of rural America near the picturesque Tubbs Farm and adjacent to The 61 Drive-in Movie Theater, this unique race offers competitors an intimate setting with sweeping views of Bear River’s natural beauty. On race morning, runners will gather at the firm yet slightly soft trails on Tubbs Farm, where conditions are ideal for sustained efforts over multiple loops. Temperatures in Delmar during early November typically hover around 40°F to 55°F (or between 4°C and 13°C), with low humidity levels providing a comfortable environment despite the chill. The Bear River Backyard Ultra has become an annual tradition since its inception, drawing dedicated runners from across Iowa who are eager to test their limits against one another. Each participant receives a custom hockey sweater at packet pickup, fostering camaraderie among competitors while they vie for cash prizes awarded to top male and female finishers based on total registration numbers.
Backyard Ultra Start: 11:00:00 • Fee: $200.00
In this endurance event, registrations are processed through https://ultrasignup.com/register.aspx?did=139363 with a fee set at $200 and capped at 250 participants to ensure an intimate race experience. Bib pickup is available on Friday from noon to 7 PM local time at the Tubbs Farm event site, where runners can collect their custom sweaters and any additional materials needed for competition. Starting promptly at 1:00 PM off Highway 136 in Delmar, participants must be prepared to run continuously through loops until only one remains. Age requirements are open but geared towards serious endurance athletes; first-timers should arrive early and familiarize themselves with the course layout on Tubbs Farm before race day. The Bear River Backyard Ultra returns to Delmar, Iowa on November 13th as a challenging event that pushes participants beyond their limits in pursuit of victory. This unique format offers an unparalleled test of endurance within the scenic beauty of rural America’s heartland.
Races Offered
Backyard Ultra ( 4.167 mile loop )
Nov 13, 2026
straighten
Distance —
6.7K
terrain
Type —
Running
timer
11:00
sell
$200.00
Weather History
These values represent the 3-year monthly averages for November in Delmar.
thermostatTemperature
1.0° / 9.5°
wb_sunnyFeels like
-3.8° / 4.8°
light_mode
Avg sunshine hours
6h 28m
water_drop
Avg rainfall
1.9 mm
ac_unit
Avg snowfall
0.3 cm
air
Avg wind speed
14.8 km/h (Gentle breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.0)
humidity_mid
Humidity
70.3%
wb_twilight
Sunrise
07:53
nightlight
Sunset
17:41
About Delmar
Learn more about the host city, Delmar.
Delmar is a city in Clinton County, Iowa, United States. The population was 542 at the time of the 2020 census.
