Skip to content
Justin Poehnelt
WAITLIST ACTIVE July 25, 2026
Grand Island

Marathon

Munising, MI
Other Distances: 50K1/2 Marathon
Field Strength
-
0 Elite (90+)
Total Entrants
32
Registered Runners

The Grand Island Trail Run is a breathtaking ultramarathon held on a remote wilderness island in Michigan's Lake Superior, featuring a 50K course that circles the island's rugged perimeter. Runners encounter a stunning variety of terrain, from 300-foot sandstone cliffs and white sand beaches to dense old-growth hardwood forests with views of the Pictured Rocks National Lakeshore.

View Race Details

Field Strength

Field Strength
-%
Rank of 20th
Median Rank
67.8%
90+
0
80-89
1
60-79
7
<60
1
New
23
Elite Runners (90+)
Count
0
-2.7 vs avg
% of Field
0.0%
-1.5% vs avg

About rankings: Stats based on 9 runners with 5+ UltraSignup finishes.

Field Strength is the UltraSignup rank of the 20th strongest qualified runner—a higher value indicates greater depth of talent.

Excluded: 4 with <5 finishes, 19 unranked

90+ = Elite • 80-89 = Strong • 60-79 = Experienced • <60 = Developing

Registration Analysis

Total Entrants
32
Ranked Runners
9
Field Size Meter
Smallest (51) Largest (804)

Field

Top Men

Rank Score
TS
Timothy Shandonay
23 results
Ishpeming, MI
74.7%
JS
Jonathon Scholten
6 results
Traverse City, MI
73.9%
EM
Elmer Martinez
16 results
Ann Arbor, MI
67.8%
KW
Keith Wallace
18 results
Lowell, MI
63.9%
JM
Jeremy Markowitz
11 results
Minneapolis, MN
51.6%