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Allen Kao
WAITLIST ACTIVE March 28, 2026
Prairie Spirit Trail

50K

Ottawa, KS
Other Distances: 100 Miler100K50 MilerMarathon1/2 Marathon5 Miler
Field Strength
-
0 Elite (90+)
Total Entrants
55
Registered Runners

The Prairie Spirit Trail ultramarathon is a premier 'rails-to-trails' event in eastern Kansas that challenges runners with a fast, flat, and scenic out-and-back course between Ottawa and Iola. Favored by both first-timers and elite athletes for its 100-mile, 100K, 50-mile, and 50K distances, the race offers a rhythmic journey through tranquil rural landscapes and charming historic town centers.

View Race Details

Field Strength

Field Strength
-%
Rank of 20th
Median Rank
56.7%
90+
0
80-89
1
60-79
7
<60
10
New
37
Elite Runners (90+)
Count
0
-2.5 vs avg
% of Field
0.0%
-1.4% vs avg

About rankings: Stats based on 18 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: 15 with <5 finishes, 22 unranked

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

Registration Analysis

Total Entrants
55
Ranked Runners
18
Field Size Meter
Smallest (50) Largest (878)

Field

Top Men

Rank Score
WA
William Allen
13 results
Lawrence, KS
72.9%
CC
Cody Chitwood
17 results
Derby, KS
64.8%
JA
James Atkinson
6 results
Fayetteville, AR
58.7%
BL
Bryan Lawson
7 results
Urbandale, IA
56.7%
JD
John Dietrich
21 results
Shawnee, KS
53.3%