Famous Idaho Potato Half Marathon

Boise, ID, USA · May 15, 2027·
partly-cloudy-day63°·68° high·Breezy·Dry
7
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Famous Idaho Potato Half Marathon race day weather

partly-cloudy-day
63°at start
68° high
Breezy
Dry
Goal
0:00:00

Comfortable temps

Starting at 63°F, heat will be a factor from the gun — go out conservative and stay on top of hydration. Light winds shouldn't be a major factor for pacing.

Race day forecast available in 167 days
partly-cloudy-day10
partly-cloudy-day10
partly-cloudy-day8
Start
partly-cloudy-day7
partly-cloudy-day6
Finish
partly-cloudy-day6
partly-cloudy-day6
partly-cloudy-day5
partly-cloudy-day5
partly-cloudy-day5
partly-cloudy-day5

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13.1mi
0:00:00
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About the Famous Idaho Potato Half Marathon

The Famous Idaho Potato Half Marathon covers 13.1 miles on the Boise Greenbelt, starting and finishing at The Morrison Center on the Boise State University campus. The course is flat and paved and stays on the path system along the city's river corridor. It runs on the Saturday of race weekend, after the marathon start and before the 10K and 5K.

Website

Race weekend

Saturday, May 15
7:00 AMMarathon (26.2 mi)
9:00 AMHalf Marathon (13.1 mi)
10:00 AM10K (6.2 mi)11:00 AM5K (3.1 mi)

Famous Idaho Potato Half Marathon FAQ

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When is the 2027 Famous Idaho Potato Half Marathon?

The 2027 Famous Idaho Potato Half Marathon will be held on Saturday May 15, 2027.

What will the weather be like for the 2027 Famous Idaho Potato Half Marathon?

The forecast calls for a high of 77°F and a low of 51°F with a 4% chance of rain. Check our detailed hourly forecast above for the best half marathon race plan.

What is the weather usually like for the Famous Idaho Potato Half Marathon?

Over the 27 years racecast.io has race-day weather for (2001 to 2026), it averaged 58°F at the start and 64°F by a typical finish. Rain fell during race hours in 2 of those years (2022 and 2025).

What was the hottest Famous Idaho Potato Half Marathon?

Of the 27 years on record, 2020 was the warmest, reaching 87°F during race hours. The coldest start was 2009, at 41°F.

What was the windiest Famous Idaho Potato Half Marathon?

Of the 27 years on record, 2001 was the windiest, with wind averaging 22 mph during race hours. The calmest was 2024, at 0 mph.

Famous Idaho Potato Half Marathon weather history

Based on 27 years of data
Avg Temp
61°F
L:57° H:64°
RunScore
8
Conditions
Rain Freq
7%
2 of 27 yrs
Wind8mph
Dew38°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults

2026 Famous Idaho Potato Half Marathon

Partly cloudy throughout the day.

2026
clear-day
52°/55°-
8

2025 Famous Idaho Potato Half Marathon

Partly cloudy throughout the day with rain.

2025
cloudy
51°/54°Light
9

2024 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2024
clear-day
52°/61°-
10

2023 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2023
clear-day
65°/73°-
6

2022 Famous Idaho Potato Half Marathon

Partly cloudy throughout the day with morning rain.

2022
rain
52°/59°Light
8

2021 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2021
clear-day
65°/73°-
7

2020 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2020
clear-day
76°/87°-
4

2019 Famous Idaho Potato Half Marathon

Clearing in the afternoon.

2019
partly-cloudy-day
49°/54°-
10

2018 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2018
clear-day
61°/66°-
6

2017 Famous Idaho Potato Half Marathon

Partly cloudy throughout the day.

2017
clear-day
57°/66°-
8

2016 Famous Idaho Potato Half Marathon

Partly cloudy throughout the day with rain.

2016
clear-day
52°/55°-
10

2015 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2015
clear-day
68°/74°-
6

2014 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2014
clear-day
61°/66°-
7

2013 Famous Idaho Potato Half Marathon

Partly cloudy throughout the day.

2013
partly-cloudy-day
52°/59°-
8

2012 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2012
clear-day
54°/61°-
9

2011 Famous Idaho Potato Half Marathon

Clearing in the afternoon with late afternoon rain.

2011
clear-day
64°/70°-
6

2010 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2010
clear-day
57°/68°-
7

2009 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2009
clear-day
57°/65°-
9

2009 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2009
clear-day
41°/48°-
8

2008 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2008
clear-day
70°/79°-
6

2007 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2007
clear-day
62°/69°-
7

2006 Famous Idaho Potato Half Marathon

Partly cloudy throughout the day with rain clearing later.

2006
clear-day
66°/69°-
6

2005 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2005
partly-cloudy-day
58°/67°-
7

2004 Famous Idaho Potato Half Marathon

Partly cloudy throughout the day.

2004
clear-day
45°/51°-
9

2003 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2003
clear-day
63°/70°-
6

2002 Famous Idaho Potato Half Marathon

Clear conditions throughout the day.

2002
clear-day
45°/53°-
10

2001 Famous Idaho Potato Half Marathon

Clearing in the afternoon.

2001
clear-day
56°/58°-
8

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