Saturday, May 22, 2021 @ 10:00 AM

Keystone Backyard Ultra

625 Lentz Trail

Jim Thorpe, PA Last Man Standing

This Event Took Place Sat. May 22, 2021

Second Annual Keystone Backyard Ultra

Running 4.167 miles in one hour seems easy, right? Well, how many times in a row do you think you can do that? Come out to the first backyard ultra being held in Pennsylvania and find out! Sign up today!


Mauch Chunk Lake Park is located a few miles up the road from the historic town of Jim Thorpe. Driving into the venue you will be winding along the Lehigh River and into the stunning Lehigh Gorge State Park. The course will wind around a gorgeous lake and along winding streams through the woods. A portion of the proceeds will go to support the Carbon Count Environmental Ed Center!

The Course

The looped course will be 4.167 miles in length and will have nearly 300 feet of climbing. The course will start overlooking the lake and work your way into the forest where you will be traversing along the stream and across spectacular foot bridges


Parking/Check in/Start Time: Check in begins at 8 AM and the race begins at 10 AM


Each lap must be must be 4 miles 880 feet in length (4.167 miles)
Metric equivalent 6.7056 kilometers


Each loop starts precisely 1 hour after the last
Ex. (If you finish a lap in 45 minutes, you have a 15 minute break before the next lap begins)
Warning must be given 3, 2, and 1 minutes prior to start
All competitors must start at the bell in the corral (no late starts)


Except for restrooms, competitor may not leave the course until each loop is completed
No non-competitors on the course (including eliminated runners)
No personal aid during a loop (common aid stations are allowed)
Each loop must be completed within an hour to be counted… including the final lap.
No artificial aids (including trekking poles)
Slower runners must allow passes.


Every athlete will receive a designated plot to have their crew, tent, tables, etc.
No crew members allowed on course
There will be a communal aid station provided by race staff
Recommended to bring the majority of your own nutrition


The winner is the last person to complete a loop
All others are technically DNF
Results of each runner in terms of distance covered are to be given.
If no runner can complete one more loop than anyone else, there is no winner.


Every runner will receive a technical race t-shirt, a hat, and a one of a kind race bib. The sole winner will be awarded an impressive, wood engraved Keystone that will will certainly have some weight and prestige to it, a unique last person standing bib, AND the winner will receive $12.50 for every lap completed.

Live Tracking/Results

There will be a link to live results on race day and a zoom link that will be at the start/finish line throughout the entirety of the event.


We will be working with local health officials to come up with a comprehensive and effective plan that will mitigate the risk of spreading Covid-19. We will monitor the state of the pandemic and will offer frequent updates on the status of the event.


Feel free to reach out through our website, or contact me directly at or text/call at 610-844-7670.

Event's current local time: 7:23 AM ET


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