Jack Kostelnik
🇺🇸United StatesNorth America
Hoboken, NJ
MMale
Personal best
11
Events completed
2
Total yards
22
Results
Wins
0
Assists
0
DNFs
2
Progress timeline
Performances
| Date | Event | Ticket | Location | Yards | Place |
|---|---|---|---|---|---|
| Sep 8, 2025 | Last Man Standing Ultramarathon | No ticket | 🇺🇸 United States | 11 | DNF |
| Sep 8, 2024 | Last Man Standing Ultramarathon | No ticket | 🇺🇸 United States | 11 | DNF |