Runners will face a temperature increase from 61°F at the start to 77°F by the finish, with humidity at a comfortable 54%. Winds will be light at 7 mph from the SSW, providing a slight tailwind throughout. Runners should stay hydrated and monitor their pace as temperatures rise.

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Distance: 26.2mi

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Race Info

Get ready to experience an epic trail adventure! The 50K and Marathon (~26.7 miles) loop takes you through the heart of the San Juan Mountains, following the historic Alpine Loop jeep roads. Along the way, you’ll pass through ghost mining towns such as Howardsville, Eureka, Animas Forks, and Gladstone. The course’s high point is California Pass, sitting at a breathtaking 12,930 feet! Source

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Race weekend

Saturday, July 18

7:00 AMMarathon (26.2 mi)

50K (31.1 mi)

8M (8.0 mi)

FAQ

When is the 2026 Silverton Alpine Marathon?

The 2026 Silverton Alpine Marathon will be held on Saturday July 18, 2026.

What will the weather be like for the 2026 Silverton Alpine Marathon?

The forecast calls for a high of 77°F and a low of 58°F with a 100% chance of rain.

Historical Weather

Based on 21 years of data

Avg Temp

61°F

L:52° H:69°

RunScore

Conditions

Rain Freq

14%

3 of 21 yrs

Wind3mph

Dew36°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Silverton Alpine Marathon Partly cloudy throughout the day with rain. 2026	62°/70°	-	49°
2025 Silverton Alpine Marathon Partly cloudy throughout the day with early morning rain. 2025	55°/69°	-	44°
2024 Silverton Alpine Marathon Clear conditions throughout the day. 2024	47°/66°	-	17°
2023 Silverton Alpine Marathon Clear conditions throughout the day. 2023	54°/71°	-	19°
2022 Silverton Alpine Marathon Partly cloudy throughout the day. 2022	56°/78°	-	31°
2021 Silverton Alpine Marathon Clear conditions throughout the day. 2021	58°/78°	-	30°
2020 Silverton Alpine Marathon Clear conditions throughout the day. 2020	55°/79°	-	15°
2019 Silverton Alpine Marathon Partly cloudy throughout the day with rain clearing later. 2019	54°/70°	Light	49°
2018 Silverton Alpine Marathon Partly cloudy throughout the day. 2018	54°/71°	-	43°
2017 Silverton Alpine Marathon Partly cloudy throughout the day. 2017	52°/72°	-	32°
2016 Silverton Alpine Marathon Clear conditions throughout the day. 2016	49°/67°	-	40°
2015 Silverton Alpine Marathon Partly cloudy throughout the day with late afternoon rain. 2015	52°/71°	-	39°
2014 Silverton Alpine Marathon Partly cloudy throughout the day with rain. 2014	52°/59°	Light	46°
2013 Silverton Alpine Marathon Partly cloudy throughout the day with rain. 2013	58°/64°	-	44°
2012 Silverton Alpine Marathon Clear conditions throughout the day. 2012	48°/68°	-	43°
2011 Silverton Alpine Marathon Partly cloudy throughout the day with early morning rain. 2011	54°/72°	-	48°
2010 Silverton Alpine Marathon Partly cloudy throughout the day. 2010	54°/64°	-	41°
2009 Silverton Alpine Marathon Clear conditions throughout the day. 2009	53°/75°	-	36°
2006 Silverton Alpine Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2006	48°/56°	Light	46°
2005 Silverton Alpine Marathon Partly cloudy throughout the day. 2005	45°/66°	-	34°
2004 Silverton Alpine Marathon Clear conditions throughout the day. 2004	36°/63°	-	22°