In 181 days · Sat, May 1, 2027
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Saturday, May 1st, 2027
1532 E Noe Rd, Larkspur CO
Ultra
33–59°F · some rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2026
28–51°F
dry
2025
38–55°F
dry
2024
38–65°F
dry
2023
30–67°F
dry
2022
33–60°F
rain
2021
38–74°F
dry
2020
41–77°F
dry
2019
30–52°F
dry
2018
40–63°F
rain
2017
22–56°F
dry
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About this race
Escape the asphalt and hit the dirt! Join us at the breathtaking Greenland Open Space in Larkspur for the Greenland Trail Races. Offering four distinct distances—4 Mile, 8 Mile, 25K, and 50K—this event is perfect for everyone from first-time trail runners to seasoned ultramarathoners looking to kick off their trail season in style.
Course map
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