If You're Not First You're Last

SEP
11
2026
A repeated-loop endurance event on a 4.167 mile course in Eagle, Idaho, where runners complete hourly loops until one person outlasts the rest. A separate timed 3 Loop Challenge can count toward the Idaho Trail Series.
Fri 11 Sep 2026
Backyard Loop 3 Loop Challenge Last Man Standing

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If You're Not First You're Last

This event in Eagle, Idaho, uses a repeated-loop format on a measured 4.167 mile course at 165 Eagle Island Parkway. Runners must complete each loop within one hour; a bell signals the start of each hour and participants must be present in the starting corral when the bell sounds or receive a DNF. The event continues hour by hour until only one runner completes one more loop than every other competitor; if no runner can complete an extra loop, there is no winner. Results record each runner's total distance covered. There are no age-group awards and no overall placings beyond the final winner.

A separate 3 Loop Challenge is offered. Overall fastest times determine one male and one female winner for that category. Completing three loops qualifies as one race toward the Idaho Trail Series (ITS) jacket; a 50K distance completed in the Last Man Standing format also counts as one of the four required ITS races, but only the 50K distance earns ITS points.

Additional details: packet pickup occurs at the Idaho Running Company in Boise on 9/9 and 9/10 with specified times; registration closes on Tue, Sep 8 at 11:59 PM MT. Same-day registration is available. No refunds. Each runner may have two crew members at start/finish; a minimal aid station will be available at start/finish. Visit the organization's website for the most recent information.

13 mi
3 Loop Challenge
4 mi
Backyard Loop
Last Man Standing
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