Greenland Trail Races

About the Event

The Greenland Trail Race offers four outstanding distances in southern Douglas County. Run the 4 Miler, the 8 Miler, the 25K, or tackle the 50K ultramarathon, Colorado’s fastest 50K! With Pikes Peak as your backdrop, you’ll cruise over a soft dirt trail on your way to a new personal best. With chip timing, an innovative technical running shirt in men’s and women’s sizing, food and beer at the finish, this race will make you want to come back for more!

Races Offered

50K

May 01, 2027

straighten

Distance — 50K

terrain

Type — Running

timer

07:00

sell

$80.00

25K

May 01, 2027

straighten

Distance — 25K

terrain

Type — Running

timer

07:30

sell

$55.00

8 Mile

May 01, 2027

straighten

Distance — 8 Miles

terrain

Type — Running

timer

08:00

sell

$35.00

4 Mile

May 01, 2027

straighten

Distance — 4 Miles

terrain

Type — Running

timer

08:30

sell

$25.00

Virtual 50K

May 01, 2027

straighten

Distance — 50K

terrain

Type — Running

timer

08:30

sell

$35.00

Virtual Race

May 01, 2027

straighten

Distance — 25K

terrain

Type — Running

timer

08:30

sell

$35.00

Weather History

These values represent the 3-year monthly averages for May in Larkspur.

thermostat Temperature

3.3° / 17.9°

wb_sunny Feels like

-0.4° / 13.8°

light_mode Avg sunshine hours

11h 25m

water_drop Avg rainfall

4.3 mm

ac_unit Avg snowfall

0.1 cm

air Avg wind speed

10.2 km/h (Light breeze)

opacity Sweat loss rate

Low

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

High (6.0)

humidity_mid Humidity

60.0%

wb_twilight Sunrise

05:45

nightlight Sunset

20:06

About Larkspur

Learn more about the host city, Larkspur.

Larkspur is a home rule municipality in Douglas County, Colorado, United States. The town population was 206 at the 2020 census. Each year, on weekends in June, July and August, the Colorado Renaissance Festival is held in the hills just west of the town. The town is served by Larkspur Elementary School, a K-6 school in the Douglas County school district.