Idaho Falls Marathon route map
raceindex.org has a GPS course file for Idaho Falls Marathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
Idaho Falls 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.
Modelled energy-cost change 0.3% versus flat · net elevation 15 m
Decision summary
Idaho Falls Marathon at a glance
- Route ascent
- 69 m
- Cut-off average pace
- 8:32/km
- Typical conditions
- 43/100
- Evidence depth
- 33 verified facts
Lower than 97% of comparable mapped races
6:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Stored GPS route
Quick answers
What runners ask first
How hilly is the Idaho Falls Marathon?
The Idaho Falls Marathon route has 69 m of ascent, 52 m of descent and an estimated 0.3% grade-adjusted pace penalty versus a flat route.
Where does the Idaho Falls Marathon route go?
The Idaho Falls Marathon route starts at Snake River Landing, 953 Pier View Dr, Idaho Falls, ID 83402 (start and finish for all distances) and finishes at Snake River Landing, Idaho Falls. Underfoot, expect a road course. It passes Snake River Landing, Snake River Greenbelt, southeast Idaho farm country and historic New Sweden. Promoted as a flat and fast, USATF-certified course.
Race character
Scenery
- Riverside
- Waterfront
- Countryside
- City
- Historic
- Parkland
Atmosphere
- Community
- Charity
Terrain
- Road
- Elevation character
- Gently Rolling
- Technicality
- Non Technical
Entry, logistics and records
Entry requirements
- Entry status
- Past event: The listed edition date has passed.
- Cut-off
- 6 hours (6:00 AM start, 12:00 PM cutoff)
- Qualification status
- USATF Certified standard 26.2 Mile road marathon, eligible as a Boston Marathon qualifying course.
Race day logistics
- Medal
- Finishers receive a medal at the finish line
Access and course status
- Start
- Snake River Landing, 953 Pier View Dr, Idaho Falls, ID 83402 (start and finish for all distances)
- Finish
- Snake River Landing, Idaho Falls
- Certified course
- USATF certified course (certificate id 4098)
Course facts
- Course type
- Loop
- Landmarks
- Snake River Landing, Snake River Greenbelt, southeast Idaho farm country, historic New Sweden
- Notable features
- Post-race party included for participants
- aid stations every 3 miles stocked with water and GU energy gels
- medical professionals on-site
- Promoted as a flat and fast, USATF-certified course
How hilly is the Idaho Falls Marathon?
- Steep descent 0%
- Descent 1%
- Flat 96%
- Climb 2%
- Steep climb 0%
- Total ascent
- 69 m
- Net elevation
- +15 m
- GAP factor
- 0.3%
- Longest climb
- 530 m at 1.7%
What are typical race-day conditions?
- 25°CTypical temperature
- 18 kphTypical wind
- 0 mmTypical rainfall
- 43Favourability /100
More race details
Is the Idaho Falls Marathon flat?
Its normalised GAP factor is 0.3% slower than a flat course, with about 69 m of total ascent.