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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Half Marathon
  • 21.1 km
  • Green River
  • Event weekend starts
  • Past event

Run with the Horses Marathon (Green River) Half 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.

Official event website ↗
Plan my trainingPlan my paceData current as of Source last verified

Decision summary

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

Cut-off average pace
19:54/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
24 verified facts

Source facts available

Route details

Known course facts at a glance

Methodology →

Run with the Horses Marathon (Green River) Half Marathon has known course details for its half marathon race. The summary below keeps the focus on what is confirmed for the course.

Official distance
21.1 km
Terrain
Road
Scenery
Countryside, Riverside, Desert, Parkland, Canyon, Mountain, City

Quick answers

What runners ask first

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

The Run with the Horses Marathon (Green River) Half Marathon route starts at All four distances start together at 7:00 a.m. in front of the pavilion at Expedition Island. Underfoot, expect a road course. 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) Half Marathon?

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

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

Atmosphere

  • Scenic Tour
  • Wilderness
  • Community

Terrain

  • Road

Entry, logistics and records

Entry requirements

Entry status
Past event: The listed edition date has passed.
Cut-off
7:00:00

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.

Access and course status

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

Course facts

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

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.

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (2)

Read the full methodology →