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Allen Kao
WAITLIST ACTIVE March 21, 2026
Grasslands Trail Run

Marathon

Alvord, TX
Other Distances: 100 Mile50 Miler1/2 Marathon15K
Field Strength
64.9%
1 Elite (90+)
Total Entrants
97
Registered Runners

Since 1999, the Grasslands Trail Run has challenged athletes within the 20,000-acre Lyndon B. Johnson National Grasslands of North Texas. This scenic event features a fast, runnable course through rolling hills and post oak savannas, offering distances ranging from a 15K to a premier 100-mile ultramarathon.

View Race Details

Field Strength

Field Strength
64.9%
Rank of 20th
-5.0%
Median Rank
63.6%
90+
1
80-89
1
60-79
28
<60
14
New
53
Elite Runners (90+)
Count
1
-1.5 vs avg
% of Field
1.0%
-0.3% vs avg

About rankings: Stats based on 44 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: 35 with <5 finishes, 18 unranked

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

Registration Analysis

Total Entrants
97
Ranked Runners
44
Field Size Meter
Smallest (50) Largest (878)

Field

Top Men

Rank Score
JH
Josh Heimbach
20 results
fort worth, TX
99.6%
DD
David Dean
5 results
Cedar Park, TX
76.5%
RB
Ronnie Beaty
11 results
Burleson, TX
75.1%
GH
Garren Hill
70 results
North Richland Hills, TX
73.9%
JS
John Stasulli
32 results
Killeen, TX
73.3%