The Last of the Felascans returns to Alachau, Florida on November 21st, challenging runners with a unique and grueling race format at San Felasco Hammock Preserve State Park. Participants begin running a loop every hour, covering exactly 4.167 miles each time, until only one runner remains standing. This year marks another chapter in the park's rich history of hosting this extreme endurance event. San Felasco Hammock is known for its diverse plant life and geological features, making it an ideal setting for such a challenging race. The trails during daylight hours provide runners with a mix of terrain that includes hills and dense foliage, while after dark, they switch to a dirt road loop without pavement in sight. Runners can expect the course to be lit minimally by ambient light from headlamps or reflective gear as required. This event has become an annual tradition since its inception, drawing participants who are drawn not just by the challenge but also by the cause it supports. The race raises awareness and funds for conservation efforts at San Felasco Hammock Preserve State Park, ensuring that this unique ecosystem remains protected for future generations to enjoy. Over the years, the event has attracted a dedicated following of endurance athletes looking to push their limits in one of Florida's most picturesque settings. The course itself follows trails within San Felasco Hammock during daylight hours and transitions onto dirt roads once darkness falls. The loop is precisely measured at 4.167 miles for consistency across all runs, with no predefined finish line. Participants must be prepared to run solo for up to twenty-four hours without assistance beyond the start/finish area where water and basic amenities like bathrooms are available. No aid stations exist on the course itself. Weather conditions vary widely during November in Alachau, Florida, but runners can expect temperatures ranging from 50°F to 72°F (10°C to 22°C), with humidity levels typically around 60% and a slight risk of precipitation due to potential afternoon showers. The wind is generally light throughout the day. The race offers only one distance: the Backyard Ultra, which costs $150 for entry.
Backyard Ultra Start: 08:00:00 • Fee: $150.00
Registration can be completed online at https://ultrasignup.com/register.aspx?did=134406 with a fee of $150. Entries close two weeks prior to the event date. Bib pickup will take place on November 21st from noon until race start time, located near the park entrance where participants can collect their number and any additional information needed for race day. The starting location is situated at 12730 NW 109th Ln in Alachau, Florida. All runners must be over eighteen years old to participate; no exceptions are made based on age or experience level. It's important that first-timers understand they will need all necessary gear and supplies for an extended period of running and resting at the start/finish area. The Last of the Felascans in Alachau, Florida, offers a singular challenge for endurance runners to test their limits within San Felasco Hammock Preserve State Park. The race's unique format and setting make it a must-attend event for those looking to experience one of North America’s longest-standing ultra-distance running challenges under the stars.
Races Offered
Backyard Ultra ( 4.167 mile loop )
Nov 21, 2026
straighten
Distance —
6.7K
terrain
Type —
Running
timer
08:00
sell
$150.00
Weather History
These values represent the 3-year monthly averages for November in Alachua.
thermostatTemperature
12.9° / 24.1°
wb_sunnyFeels like
11.6° / 23.4°
light_mode
Avg sunshine hours
8h 39m
water_drop
Avg rainfall
1.4 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
9.4 km/h (Light breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.4)
humidity_mid
Humidity
73.1%
wb_twilight
Sunrise
07:54
nightlight
Sunset
18:34
About Alachua
Learn more about the host city, Alachua.
Alachua is the second-most populous city in Alachua County, Florida, and the third-largest in North Central Florida. According to the 2020 census, the city's population was 10,574, up from 9,059 at the 2010 census. It is part of the Gainesville, Florida Metropolitan Statistical Area. Alachua has one of the largest bio and life sciences sectors in Florida and is the site for the Santa Fe College Perry Center for Emerging Technologies.
