Underdown Trail Races
Race Date
Aug 15, 2026
Location
Merrill, WI
Quick facts
- Date
- Saturday, August 15, 2026
- Location
- Merrill, Wisconsin
- Distance
- Half marathon (13.1 mi) + 60K, 26.2M
- Course
- Loop Course
- Terrain
- Trail
- USATF certified
- Not listed
Highlights
Course
The Experience
The IRONBULL Underdown Trail will take place at the Underdown Trail system. Read the course description and other race details at our website.
Course Info
Course Type
Loop Course
Terrain
trail
Scenery
Forest
Surface
Dirt Trail
Difficulty
Rolling Hills
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Quality Score
first year
no finisher counts yet
small race — neutral
needs a few years of results
3 timing sources · 8 photos
no finisher data yet
no winner time yet
typical high 75°F
Race Day Weather
5-year historical avgStart (Low)
58°
Afternoon (High)
75°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
9 mph
Wind
76%
Humidity
Race Photos
Frequently asked
When is the Underdown Trail Races?
The Underdown Trail Races is held on Saturday, August 15, 2026.
Where does the Underdown Trail Races take place?
It takes place in Merrill, Wisconsin.
What distances does the Underdown Trail Races offer?
The half marathon (13.1 miles), plus 60K, 26.2M.
Is the Underdown Trail Races course flat and good for a PR?
The Underdown Trail Races is a rolling hills, loop course course.
HalfRuns editorial — independent, no paid placement.
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