Famous Idaho Potato Marathon
Famous Idaho Potato Marathon race day weather
Warming up, steady conditions
Runners will face a temperature rise from 54°F at the start to 77°F by the finish, with average humidity at 36% and a dew point of 37°F. Wind will be light, coming from the WSW at 9 mph, with gusts up to 21 mph. To perform optimally, runners should pace themselves conservatively as temperatures rise, especially in the later miles.
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Famous Idaho Potato Marathon route and elevation
The Famous Idaho Potato Marathon course has about 184 ft (56 m) of climbing and 186 ft (57 m) of descent, and finishes near the elevation it starts. It is flatter than 63% of the marathon courses racecast.io has mapped, measured by what the hills cost in time. It has no steep miles: no mile climbs more than 30 ft (9 m).
Biggest climbs
- Miles 1 to 4.2: climbs about 60 ft (19 m).
- Miles 11.5 to 17.4: climbs about 95 ft (28 m).
What the hills cost
- 3:30 on a flat course is about 3:30:40 here (40 seconds slower).
- 4:00 on a flat course is about 4:00:45 here (45 seconds slower).
- 4:30 on a flat course is about 4:30:50 here (50 seconds slower).
Hills only, priced mile by mile on the course map. The pace calculator above adds the race-day weather.
Even-effort splits for a 3:30, 4:00 or 4:30 finish
| Mile | Climb | Descent | 3:30 | 4:00 | 4:30 |
|---|---|---|---|---|---|
| 1 | 12 ft | 6 ft | 8:01 | 9:10 | 10:19 |
| 2 | 19 ft | 2 ft | 8:07 | 9:17 | 10:26 |
| 3 | 13 ft | 2 ft | 8:05 | 9:14 | 10:24 |
| 4 | 15 ft | 3 ft | 8:05 | 9:14 | 10:23 |
| 5 | 24 ft | 18 ft | 8:02 | 9:11 | 10:20 |
| 6 | 1 ft | 19 ft | 7:55 | 9:03 | 10:10 |
| 7 | 3 ft | 17 ft | 7:56 | 9:03 | 10:12 |
| 8 | 1 ft | 12 ft | 7:56 | 9:05 | 10:12 |
| 9 | 3 ft | 19 ft | 7:56 | 9:03 | 10:12 |
| 10 | 5 ft | 18 ft | 7:55 | 9:04 | 10:12 |
| 11 | 13 ft | 20 ft | 7:58 | 9:06 | 10:13 |
| 12 | 17 ft | 8 ft | 8:03 | 9:12 | 10:22 |
| 13 | 18 ft | 2 ft | 8:07 | 9:17 | 10:26 |
| 14 | 13 ft | 4 ft | 8:04 | 9:12 | 10:22 |
| 15 | 18 ft | 3 ft | 8:06 | 9:16 | 10:25 |
| 16 | 13 ft | 3 ft | 8:04 | 9:13 | 10:22 |
| 17 | 15 ft | 3 ft | 8:05 | 9:14 | 10:24 |
| 18 | 26 ft | 16 ft | 8:04 | 9:13 | 10:21 |
| 19 | 1 ft | 16 ft | 7:55 | 9:03 | 10:12 |
| 20 | 3 ft | 20 ft | 7:55 | 9:03 | 10:11 |
| 21 | 2 ft | 14 ft | 7:56 | 9:05 | 10:12 |
| 22 | 3 ft | 16 ft | 7:56 | 9:03 | 10:11 |
| 23 | 5 ft | 18 ft | 7:56 | 9:04 | 10:12 |
| 24 | 11 ft | 22 ft | 7:56 | 9:04 | 10:13 |
| 25 | 17 ft | 9 ft | 8:03 | 9:12 | 10:21 |
| 26 | 16 ft | 2 ft | 8:06 | 9:16 | 10:25 |
| Last 0.2 | 4 ft | 2 ft | 1:48 | 2:03 | 2:18 |
Explore the Famous Idaho Potato Marathon course with the weather and your pace along the route, or compare it with other races.
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About the Famous Idaho Potato Marathon
The Famous Idaho Potato Marathon is held each May on the Boise Greenbelt, a flat paved path along the Boise River. The marathon and the half marathon, 10K and 5K that run the same morning start and finish at the Morrison Center on the Boise State campus. The marathon is a Boston qualifier, and the YMCA of the Treasure Valley organizes the event. Source
