• Marathon
  • 42.2 km
  • Green River
  • Event weekend starts
  • Past event

Run with the Horses Marathon (Green River) Marathon

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Decision summary

Run with the Horses Marathon (Green River) Marathon at a glance

Cut-off average pace
9:57/km

7:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Typical conditions
45/100

Historical race-date favourability, not a forecast

Evidence depth
38 verified facts

Source facts available

Route details

Known course facts at a glance

Methodology →

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.

Official distance
42.2 km
Terrain
Road, Mixed, Gravel
Scenery
Desert, City, Countryside, Riverside, Parkland, Canyon, Mountain

Quick answers

What runners ask first

How hilly is the Run with the Horses Marathon (Green River)?

The Run with the Horses Marathon (Green River) is described as hilly.

Where does the Run with the Horses Marathon (Green River) route go?

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.

What should runners know on race day for the Run with the Horses Marathon (Green River)?

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.

Race character

Scenery

  • Desert
  • City
  • Countryside
  • Riverside
  • Parkland
  • Canyon
  • Mountain

Atmosphere

  • Scenic Tour
  • Wilderness
  • Community

Terrain

  • Road
  • Mixed
  • Gravel
Elevation character
Hilly
Technicality
Non Technical

Entry, logistics and records

Entry requirements

Entry status
Past event: The listed edition date has passed.
Cut-off
7-hour time limit
Qualification status
Not a Boston qualifier; run on a county graded dirt road at altitude.

Race day logistics

Expo / packet pickup
Packet/bib pickup is 4-7 p.m. the Friday before (Aug 14, 2026) at Expedition Island.
Race village
No
Medal
All finishers receive a unique finisher medal.
Finisher tee
Finisher shirt included for Marathon and Half Marathon entrants; 10K and 5K runners may purchase a shirt for $20 extra.

Access and course status

Start
All four distances start together at 7:00 a.m. in front of the pavilion at Expedition Island.
Finish
Expedition Island, Green River

Course facts

Course type
Out And Back
Surface
First ~2 miles on city streets and the paved Greenbelt Trail, then county graded dirt road on the Wild Horse Loop Tour.
Landmarks
Expedition Island, Greenbelt Trail, Green River, Wild Horse Loop Tour Road, 1st Springs Canyon, White Mountain
Notable features
  • 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
  • High plains desert with no shade trees after leaving the city streets
  • runners may encounter wild horses and other wildlife

What are typical race-day conditions?

  • 22°CTypical temperature
  • 24 kphTypical wind
  • 1 mmTypical rainfall
  • 45Favourability /100
Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.