Race Reports

Below are race reports organized by year from the Zumbro Endurance Run.  In the general column are official race reports written by the race and published in Ultrarunning Magazine and on our blog – after that  are personal accounts (race reports) from runners, if you have a report you would like to add, please let us know and we will add it!


Ultrarunning Magazine Report (coming soon)
Quick Race Recap
100 Mile
50 Mile
17 Mile

100 Miler Runners:
Aaron Boike
Robyn Reed (Volunteer Report)
Erik Raivo
John Munis
Kevin Chem (GJ Article)
Kevin Chem (Report)
Steve Connelly

17 Mile Runners:
Robyn Reed


100 Miler Runners:
Kevin Langton

50 Mile Runners:

17 Mile Runners:


50 Mile Runners:
Ron Hendrickson

17 Mile Runners:



100 Miler Runners:
Susan Donnelly
Zach Pierce
Steve Quick
Kelly Doyle – Volunteer Writeup

100KM Runners:


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Zumbro Endurance Run
100MI, 50MI, 17MI Trail Race(s)
Theilman, Minnesota
April 7th & 8th, 2017
• 100MI Friday 8:00AM
• 50MI 12:01AM Saturday (Friday Midnight)
• 17MI 9:00AM Saturday

Opens Tues Nov 1, 2016 – 9:00AM CST
Closes Fri March 31, 2017 – 5:00PM CST
*Or once the field limit has been met
Complete Registration Details HERE

Directions to Race Start:
Zumbro River Bottoms Management Unit
West Assembly Area
(Near Theilman, MN)
Google Maps Directions HERE
Written Directions HERE
(Approx 1:45 south of Minneapolis, MN)

The course consists of a mix of rugged single and double track trail with rubble, loose rock and sand along with minimum maintenance gravel roads.  The race is primarily concentrated in two large valleys within an expansive hardwood forest.  There are four significant, short, steep climbs (approx 300FT) per loop with small hills in-between along with some significant stretches of flat valley floor running.  Be sure to see maps, elevation charts and stats provided on this website HERE.

100 Mile:
6 x 16.7 mile loop = 100 miles
Elevation Gain 18,588 FT
Elevation Loss 18,588 FT
NET Elevation Change 37,176 FT
30 Aid Stations
34 hour time limit
Complete 100MI Info HERE

50 Mile:
3 x 16.7 mile loop = 50 miles
Elevation Gain 9,294 FT
Elevation Loss 9,294 FT
NET Elevation Change 18,588 FT
15 Aid Stations
18 hour time limit
Complete 50MI Info HERE

17 Mile:
16.7 Mile Loop
Elevation Gain 3,098 FT
Elevation Loss 3,098 FT
NET Elevation Change 6,196 FT
5 Aid Stations
9 hour cutoff
Complete 17MI Info HERE

More About the Area:
The Zumbro Endurance Run 100MI, 50MI and 17MI trail races take place within the Zumbro River Bottoms Management Unit in Southeastern Minnesota’s Bluff Country – just outside of the tiny village of Theilman, MN approximately 1:45 from Minneapolis – St.Paul, MN.  The races start and finish at the West Assembly / Horse Campground Area.  Generally speaking the Zumbro River Bottoms Management Unit lies within a portion of the Richard J. Dorer Memorial Hardwood Forest – an expansive 1.7 million acre tract of Minnesota hardwood forest on the Northern edge of the Driftless Region which is mainly characterized by its tall bluffs and deeply carved river valleys. This “bluff country” is rugged, hauntingly beautiful and provides the perfect venue for 100, 50 or 17 miles of trail running – while this is certainly not an “easy” trail race it can still be a great choice for your first 100, 50 or 17, that is if you are ready for a good amount of climbing / elevation gain.  This is a laid back, old school, low-key trail race hosted by ultrarunners for ultrarunners.