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Justin Poehnelt
WAITLIST ACTIVE July 25, 2026
Grand Island

Marathon

Munising, MI
Other Distances: 50K1/2 Marathon
Field Strength
-
0 Elite (90+)
Total Entrants
55
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
65.4%
90+
0
80-89
2
60-79
10
<60
2
New
41
Elite Runners (90+)
Count
0
-1.1 vs avg
% of Field
0.0%
-1.1% vs avg

About rankings: Stats based on 14 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: 5 with <5 finishes, 36 unranked

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

Registration Analysis

Total Entrants
55
Ranked Runners
14
Field Size Meter
Smallest (51) Largest (200)

Field

Top Men

Rank Score
JS
Jonathon Scholten
7 results
Traverse City, MI
74.8%
TS
Timothy Shandonay
23 results
Ishpeming, MI
74.7%
EM
Elmer Martinez
16 results
Ann Arbor, MI
67.8%
JB
Joshua Ball
24 results
Port huron, MI
67.2%
EH
Erik Halling
9 results
Port Washington, WI
65.4%