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Race Dates

2017: TBD
2016: Saturday, May 21, 2016

Course Information

Profile: Downhill
Type: Point to Point
Surface: Road/Pavement
Certified?: Yes

Race Day Weather

Mean Temp.: 58°F (14°C)
Average High: 70°F (21°C)
Average Low: 46° F (7°C)

Historical Weather

PR Score & Course Score

PR Score: 99.71
Course Score: 99.71

Race Size

2016: 192 Finishers
2015: 260 Finishers
2014: 257 Finishers

BQ Percentages

2016: 12.5%
2015: 6.9%
2014: 8.9%

Miscellaneous Information

Pace Groups?: No

Marathon Pace Bands

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Course Description

Except for a few sections on roads, the Famous Idaho Potato Marathon course mostly follows the paved Boise Greenbelt Trail along the Boise River.

The course starts south of Boise at Lucky Peak Lake (elevation 2831 feet) and then travels along the river with a net downhill to the turnaround point on Garrett St. (elevation 2600 feet). The course then follows the same path for approximately seven miles of slight uphill grade to the finish at Ann Morrison Park (elevation 2681 feet).

Marathon Rankings

The Famous Idaho Potato Marathon was the 242nd largest marathon in the U.S. last year and was the 246th largest in 2014.

This year 12.5% of finishers qualified for the Boston Marathon and 6.9% of runners qualified for Boston in 2015.

This gives the Famous Idaho Potato Marathon the 318th highest percentage of Boston Marathon qualifiers in the U.S. last year and the 98th highest percentage so far in 2016.

Its Course Score of 99.71 ranks it as the 55th fastest marathon course in the U.S. and the 2nd fastest course in Idaho.

The typical race time temperature and humidity levels are within the ideal range for optimal marathon performance. This, coupled with the Course Score, gives the Famous Idaho Potato Marathon a PR Score of 99.71. This PR Score ranks it as the 39th fastest marathon in the U.S. and the 2nd fastest in Idaho.

Learn more about PR Scores and Course Scores on the FAQ page.

Elevation Chart

Max Elevation: 2853 feet (869m)
Min Elevation: 2597 feet (791m)


Ratings & Reviews for the Famous Idaho Potato Marathon

5 Stars from 1 Reviews

review of 2013 Famous Idaho Potato Marathon.   

5 / 5 Stars


Small marathon, fast, fairly flat course along the Boise River greenbelt.

Race Tips

Must dodge walkers/strollers out on the greenbelt

Logistical Tips (Hotels, Restaurants, Parking, Discounts, etc.)

Easy to reach location in downtown Boise

Finish Time Equivalent

If you ran the Famous Idaho Potato Marathon in 4:42:00, what would your time in the Boston Marathon be?

See how your race times would compare on other marathon courses using the Marathon Time Converter Tool.