Explore the captivating landscapes of Grand River National Grasslands during the Inaugural Blacktail Trail Ride. Set on Sunday morning following the Thunderhawk Wide Open, this 7-mile loop offers an unforgettable experience through scenic trails and natural beauty. Participants will gather at the conveniently located Blacktail Trailhead, situated just south of Shadehill, SD. The event commences with a series of staggered starts beginning promptly at 8:00am, 9:00am, and 10:00am. Register for your preferred start time to ensure you begin on the trail when it’s right for you. A mountain bike is recommended due to the presence of challenging switchbacks and steep sections that may experience washouts or loose dirt conditions. However, all types of bicycles are welcome, making this event accessible to both beginners and seasoned cyclists alike. The Blacktail Trail Ride celebrates inclusivity with awards presented to the fastest times in various categories: Youth, Adult, and Senior. Whether you're a competitive cyclist looking for a new challenge or simply seeking an enjoyable ride surrounded by nature's splendor, there’s something here for everyone. Bring your supportive spirit and join us at Blacktail Trail for a day filled with adventure, camaraderie, and breathtaking scenery.
Races Offered
10am Flight - Adult 10:00am
Aug 16, 2026
straighten
Distance —
11.3K
terrain
Type —
Cycling
timer
42 days remaining
sell
$0.00
10am Flight - Event Volunteer
Aug 16, 2026
straighten
Distance —
10am Flight - Event Volunteer
terrain
Type —
Cycling
timer
42 days remaining
sell
$0.00
10am Flight - Senior 10:00am
Aug 16, 2026
straighten
Distance —
11.3K
terrain
Type —
Cycling
timer
42 days remaining
sell
$0.00
10am Flight - Youth 10:00am
Aug 16, 2026
straighten
Distance —
11.3K
terrain
Type —
Cycling
timer
42 days remaining
sell
$0.00
8:00am Flight - Adult 8:00am
Aug 16, 2026
straighten
Distance —
11.3K
terrain
Type —
Cycling
timer
42 days remaining
sell
$0.00
8:00am Flight - Senior 8:00am
Aug 16, 2026
straighten
Distance —
11.3K
terrain
Type —
Cycling
timer
42 days remaining
sell
$0.00
8:00am Flight - Youth 8:00am
Aug 16, 2026
straighten
Distance —
11.3K
terrain
Type —
Cycling
timer
42 days remaining
sell
$0.00
9:00am Flight - Adult 9:00am
Aug 16, 2026
straighten
Distance —
11.3K
terrain
Type —
Cycling
timer
42 days remaining
sell
$0.00
9:00am Flight - Senior 9:00am
Aug 16, 2026
straighten
Distance —
11.3K
terrain
Type —
Cycling
timer
42 days remaining
sell
$0.00
9:00am Flight - Youth 9:00am
Aug 16, 2026
straighten
Distance —
11.3K
terrain
Type —
Cycling
timer
42 days remaining
sell
$0.00
Weather History
These values represent the 3-year monthly averages for August in Shadehill.
thermostatTemperature
16.3° / 27.4°
wb_sunnyFeels like
15.0° / 25.7°
light_mode
Avg sunshine hours
11h 30m
water_drop
Avg rainfall
2.0 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
13.9 km/h (Gentle breeze)
opacity
Sweat loss rate
High
terrain
Course conditions
Hard and dry surface
sunny
Max UV Index
Moderate (4.9)
humidity_mid
Humidity
64.8%
wb_twilight
Sunrise
05:50
nightlight
Sunset
19:53
About Shadehill
Learn more about the host city, Shadehill.
Shadehill is an unincorporated community in Perkins County, in the U.S. state of South Dakota.
