Famous Idaho Potato 5K
Race Day Weather
Warm start
Starting at 68°F, heat will be a factor from the gun — go out conservative and stay on top of hydration. Temperatures rising to 77°F through the course will gradually increase perceived effort in the second half. Light winds shouldn't be a major factor for pacing.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for Famous Idaho Potato 5K
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Get your personalized Famous Idaho Potato 5K race plan
A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.
Race Info
The Famous Idaho Potato 5K, called the Spud Run on the registration site, is the shortest race of the weekend and starts and finishes at The Morrison Center on the Boise State University campus. It follows the flat Boise Greenbelt and runs on the Saturday of race weekend, after the longer races have started.