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Allen Kao
WAITLIST ACTIVE July 25, 2026
Grand Island

1/2 Marathon

Munising, MI
Other Distances: 50KMarathon
Field Strength
-
0 Elite (90+)
Total Entrants
76
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
66.1%
90+
0
80-89
1
60-79
8
<60
2
New
65
Elite Runners (90+)
Count
0
-2.5 vs avg
% of Field
0.0%
-1.4% vs avg

About rankings: Stats based on 11 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: 18 with <5 finishes, 47 unranked

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

Registration Analysis

Total Entrants
76
Ranked Runners
11
Field Size Meter
Smallest (50) Largest (878)

Field

Top Men

Rank Score
AN
Andrew Nelson
15 results
Winthrop, WA
78.2%
GF
Gill Flanagan
8 results
Crittenden, KY
66.1%
NC
Neil Chapman
11 results
Colorado Springs, CO
57.9%
LK
Luther Knudsen
51 results
Rochester, MN
52.3%