Wyoming · 25K · 50K

El Vaquero Loco

El Vaquero Loco is a 25K and 50K event held in Afton, Wyoming. Its next confirmed date is Saturday, August 7, 2027. About 200 runners take part across all distances.

Race day
August 7, 2027
Location
Afton, WY
Field size
~200 runners

Race details

Date
Saturday, August 7, 2027
Location
Afton, Wyoming
Distances
25K, 50K
Field size
About 200 runners
Course
High alpine, ~9,000 ft gain
Registration
runsignup.com

Registration, course & weather

Start time
6:00 AM MDT
Course profile — 50K
Out-and-back course; Trail surface
Course profile — 31K
Point-to-point course; Trail surface
Typical race-day weather
about 49°F at the start, 77% humidity, 2 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked October 5, 2026)

About the El Vaquero Loco

A rugged, high-alpine trail ultra in the Salt River Range above Star Valley that regularly sells out its 25K and 50K fields.

Rankings and notes

Notes
A rugged, high-alpine trail ultra in the Salt River Range above Star Valley that regularly sells out its 25K and 50K fields.

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El Vaquero Loco: common questions

When is the El Vaquero Loco?
The next confirmed date is Saturday, August 7, 2027.
Where is the El Vaquero Loco held?
In Afton, Wyoming.
What distances does the El Vaquero Loco offer?
25K and 50K.
How many people run the El Vaquero Loco?
About 200 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 El Vaquero Loco?
Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
Is registration open for the El Vaquero Loco?
Registration status as last checked October 5, 2026: not announced.
What time does the El Vaquero Loco start?
6:00 AM MDT.
What is race-day weather usually like at the El Vaquero Loco?
about 49°F at the start, 77% humidity, 2 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked October 5, 2026).