
From the Organizer
The Summits Trail Runs occur at Granby Ranch Resort in Colorado's beautiful Rocky Mountains. These challenging trail races offer a variety of distances ranging from shorter runs to ultra distances, each course showcasing sweeping mountain vistas, dense forests, and rugged alpine terrain. Runners experience varying elevation gains that test endurance as the routes twist through single-track trails, alpine meadows, and aspen groves. The event celebrates the spirit of human resilience and determination, attracting runners who crave physical challenge and mountain landscapes' serenity. With a strong community atmosphere, the Summits Trail Runs emphasize respect for nature and camaraderie among athletes. This race weekend is a memorable mix of adventure, grit, and the breathtaking beauty of Granby Ranch.
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
69°
Typical Low
37°
Chance of Rain
33%
Based on US Climate Normals data from Grand Lake 6 Ssw, 8 mi from the venue.
Host City
Population
2,195
as of 2023
City Elevation
7,960 ft
Nearest Airport
BJC
Rocky Mountain Metropolitan Airport · 44 mi
Major Hub
DEN
Denver International Airport · 68 mi
Time Zone
Mountain Time
From Endurance Grid
A small town race. Lodging near the start could be limited, so book early.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at Summits Trail Runs, put it on the calendar, and turn “someday” into a start date.
Coming Up
Mustang Mile 2026
25 miles away
Slacker Half Marathon-Relay-4-Mile Races
28 miles away
Blue Sky Ascent & Round Trip (formerly the Mt. Evans Ascent)
29 miles away
Rendezvous Run for Independence
13 miles away
From Endurance Grid
This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Running off-road — dirt, singletrack, and mountain paths — from 5Ks to ultras. The terrain, not the pace, is the whole point.
Anything beyond the marathon — 50K, 50-mile, 100K, 100-mile, and timed events. Aid stations, cutoffs, and finishing as the goal.
Frequently Asked Questions (FAQs)
Summits Trail Runs
Jun 12, 2027