Quad Rock

Trail Running covering 40.2 km to 80.5 km with up to 2,990 m D+ in Fort Collins (Colorado, United States)

Location

Fort Collins, Colorado, United StatesShow on map(40.5853° N, 105.0844° W)

Date & StatusDate to be announcedDate TBA

First edition2012

Elevation gainUp to +2,990 m

Quad Rock is an endurance sporting event in Fort Collins, Colorado, US focused on Trail Running. First held in 2012, the event is an established fixture on the endurance calendar. It is part of UTMB Index Races. Key features include Mountain, Nature & Off-Road, Festive, High Altitude.

The race program comprises 2 competitions, including 50 Mile (80.47 km, +2,990 m D+), and 25 Mile (40.23 km, +1,500 m D+). The exact date for the next edition is currently open and will be announced by the organizer. Official race regulations, course details, and registration information are provided on the organizer's website (gnarrunners.com).

Official website

Quad Rock in Fort Collins (Work: "Alpine Ridge Trail Top Rocky Mountain NP 2024", Photo: Larry D. Moore, License: CC BY 4.0, Source: Wikimedia Commons) — "Alpine Ridge Trail Top Rocky Mountain NP 2024" · Photo: **Larry D. Moore** · Wikimedia CommonsCC BY 4.0
Cropped to 16:9 (960 × 540 px), WebP

Event characteristics

Mountain Nature & Off-Road Festive High Altitude Forest

Races & distances (2)

Competition	Discipline	Distance	Elevation gain	Altitude range	Course type	Course & profile
50 Mile	Trail Running	80.47 km	+2,990 m	1,150 m - 2,406 m	Loop course	Route & profile
25 Mile	Trail Running	40.23 km	+1,500 m	1,153 m - 1,783 m	Loop course	Route & profile

Course & Elevation Telemetry

Course route & map

Distance

80.47 km

Elevation gain

+2,990 m D+

Elevation loss

-2,990 m D-

Altitude range

1,150 m - 2,406 m

Gradient (Avg / Max)

7.4 % / 13.3 %

Course format

Loop course

80.47 km+2,990 m D+Peak 2,406 m

Start (S)Finish (F)DownhillFlatClimbSteep

Elevation profile & course telemetry

Altitude from 1,150 m to 2,406 m above sea level (+2,990 m D+, -2,990 m D-)

Peak: 2,406 m·at 52.8 km·Ø 7.4 %

Event Information & Answers

Frequently asked questions (FAQ)

When and where does Quad Rock take place?

Quad Rock takes place in Fort Collins, Colorado, US (start area at coordinates 40.5853° N, 105.0844° W). The exact date for the next edition is currently open and will be announced by the organizer.

What races and distances are offered at Quad Rock?

The race program comprises 2 competitions, including 50 Mile (80.47 km, +2,990 m D+), and 25 Mile (40.23 km, +1,500 m D+). The competitions belong to Trail Running.

What is the course layout and elevation profile for Quad Rock?

The main competition (50 Mile over 80.47 km) is designed as a loop course featuring +2,990 m of elevation gain and -2,990 m of elevation loss, ranging between 1,150 m and 2,406 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.

Where can I find registration and official race rules for Quad Rock?

Official race regulations, course details, and registration information are provided on the organizer's website (gnarrunners.com).