How hilly is the Run with the Horses Marathon (Green River)?
The Run with the Horses Marathon (Green River) is described as hilly.
2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Decision summary
7:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Source facts available
Route details
Run with the Horses Marathon (Green River) Marathon has known course details for its marathon race. The summary below keeps the focus on what is confirmed for the course.
Quick answers
The Run with the Horses Marathon (Green River) is described as hilly.
The Run with the Horses Marathon (Green River) route starts at All four distances start together at 7:00 a.m. in front of the pavilion at Expedition Island and finishes at Expedition Island, Green River. Underfoot, expect first ~2 miles on city streets and the paved Greenbelt Trail, then county graded dirt road on the Wild Horse Loop Tour. It passes Expedition Island, Greenbelt Trail, Green River, Wild Horse Loop Tour Road and 1st Springs Canyon. Held annually on the 3rd weekend of August in conjunction with Green River's River Festival, which features a Cajun shrimp boil, craft vendors, beer gardens, a live band, food trucks and fireworks.
Held annually on the 3rd weekend of August in conjunction with Green River's River Festival, which features a Cajun shrimp boil, craft vendors, beer gardens, a live band, food trucks and fireworks.