Arkansas · 100 Miler · 50 Miler · 50K

Hare Mountain 100

Hare Mountain 100 is a 100 Miler, 50 Miler, 50K, 25K and White Rock Ascent event held in Hagarville, Arkansas. Its next confirmed date is Saturday, October 30, 2027. About 100 runners take part across all distances.

Race day
October 30, 2027
Location
Hagarville, AR
Field size
~100 runners

Race details

Date
Saturday, October 30, 2027
Distances
100 Miler, 50 Miler, 50K, 25K, White Rock Ascent, 10K
Field size
About 100 runners
Course
Extremely hilly point-to-point singletrack on the Ozark Highlands Trail; organizer estimates 20,000-24,400 ft of gain for the 100 mile (varies by device)
Registration
ultrasignup.com
Official website
haremountain100.com

Registration, course & weather

Start time
10:00 AM CDT
Course profile — 100 Miler
Point-to-point course; Trail surface
Course profile — 25K
Loop course; Trail surface
Course profile — White Rock Ascent
Point-to-point course; Trail surface
Course profile — 50 Miler
Out-and-back course; Trail surface; 12000 ft gain, 12000 ft loss (official course data)
Course profile — 50K
Out-and-back course; Trail surface; 7000 ft gain, 7000 ft loss (official course data)
Typical race-day weather
about 54°F at the start, 96% humidity, 7 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 28, 2026)

About the Hare Mountain 100

Hare Mountain 100 is a point-to-point ultra on the National Scenic Ozark Highlands Trail through remote Boston Mountain wilderness in the Arkansas Ozarks. The 100-mile course runs from Haw Creek Falls to Shores Lake with two scenic spur loops, big climbs, creek crossings, waterfalls, and sandstone bluffs, and is paired with shorter 50 mile, 50K, 25K, and White Rock Ascent options.

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Hare Mountain 100: common questions

When is the Hare Mountain 100?
The next confirmed date is Saturday, October 30, 2027.
Where is the Hare Mountain 100 held?
In Hagarville, Arkansas.
What distances does the Hare Mountain 100 offer?
100 Miler, 50 Miler, 50K, 25K, White Rock Ascent and 10K.
How many people run the Hare Mountain 100?
About 100 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
How do I register for the Hare Mountain 100?
Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
What time does the Hare Mountain 100 start?
10:00 AM CDT.
What is race-day weather usually like at the Hare Mountain 100?
about 54°F at the start, 96% humidity, 7 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 28, 2026).