Zumbro 100 Ultra Marathon

Aid Stations, Maps & Data

IMPORTANT UPDATES REGARDING CREW ACCESS TO AID STATIONS: The Minimum Maintenance road leading to Aid Station 1/4 (Bridge) and Aid Station 2/3 (Sand Coulee) is narrow and in poor condition and as a result we will only be allowing 100 milers crews access to these aid stations by vehicle. If 50 mile or 17 mile runners crews are found driving to the aid stations – their runner will disqualified. For 50 or 17 mile crews who wish to meet their runner at these aid stations they may hike to meet you – we will mark some shortcuts (for crew members only – not runners) who wish to make this hike. Crew, family and spectators need to be sure to dress appropriately for hiking on sloppy trails, have a headlamp or flashlight and be sure to give the right of way to the runners when they are on the trail. Crew should be sure to study and print the course map below. We thank you for your understanding, this decision was made for the safety of race crew, family members and friends of the runners and to save your vehicles and the road from damage.

The Zumbro Endurance Run makes use of a 16.67 mile “loop” within the Zumbro River Bottoms Management Unit.  The trails chosen for this race provide some of the most beautiful and scenic trail-running anywhere. The Zumbro 100 Mile Endurance Run consists of six (6) loops, the Zumbro Midnight 50, three (3) loops and the Zumbro 17 mile is one (1) loop.  There are 5 aid stations per loop for a total of 35 aid stations in the 100 and 17 aid stations in the 50.  Below you can find a map of the race course along with elevation statistics.  We thank our generous sponsor Critical Connections Ecological Services (CCES) / J. Husveth, for providing the course map below.

You can download the map below in .PDF format to save or print by clicking on it.




View Zumbro Endurance Run Start / Finish Area Layout in a larger map>




The maps below are directions from the West Assembly area (Start-Finish / Aid Station 5) for crew and volunteers to visit the other aid stations during the race.  Please drive slowly on the gravel roads and use extreme caution.  Park only in areas indicated on the maps – thank you.

You can download the maps below in .PDF format to save or print by clicking on them.




Driving instructions to start:
1. From the Twin Cities take 52 south to Zumbrota
2. Take the 60 EAST (not west) exit toward Zumbro Falls and Wabasha.
3. After the stop sign in Zumbro Falls go another 12 miles on 60 to county highway 4.
4. Turn right on 4, go about 3.6 miles to Theilman.
5. Turn left (east) on county rd 86, go about 3 miles, keeping right at any intersections

It is also possible to come from the Cities down 61 through Hastings, Red Wing, Lake City:
1. After going through Lake City turn right on county highway 4 and go south.
2. At the stop sign for highway 60 (about 6.5 miles) continue straight on 4, go about 3.6 miles to Theilman.
3. Turn left (east) on county rd 86, go about 3 miles, keeping right at all intersections.