Kolby Ziemendorf (M34)
2026
1 Race | 27 mi.Death by Staircase
Jun 6th 2026
| Moreau, NY
Duration
6 Hours
Overall
1
/ 2
Division (M)
1
/ 2
27.3
2025
2 Races | 58 mi.Death by Staircase
Jun 7th 2025
| Moreau, NY
Duration
6 Hours
Overall
1
/ 2
Division (M)
2
/ 2
27.3
Sleeping Giant Trail Runs
Mar 30th 2025
| Hamden, CT
Distance
50 KM
Overall
13
/ 82
Division (M)
12
/ 66
6:49:19
2024
2 Races | 58 mi.Catamount Ultra
Jun 29th 2024
| Stowe, VT
Distance
50 KM
Overall
49
/ 209
Division (M)
38
/ 138
5:19:31
Death by Staircase
Jun 8th 2024
| Moreau, NY
Duration
6 Hours
Overall
1
/ 1
Division (M)
1
/ 17
27.3
2019
1 Race | 50 mi.Mohican Trail Run
Jun 15th 2019
| Loudonville, OH
Distance
50 Miles
Overall
22
/ 187
Division (M)
18
/ 120
10:00:01
2018
1 Race | 31 mi.Thacher Park Trail Running Festival
Aug 19th 2018
| Voorheesville, NY
Distance
50 KM
Overall
6
/ 17
Division (M)
5
/ 11
4:59:47
2017
3 Races | 181 mi.Thacher Park Trail Running Festival
Aug 27th 2017
| Voorheesville, NY
Distance
50 KM
Overall
8
/ 21
Division (M)
7
/ 13
5:13:06
Vermont 100
Jul 15th 2017
| West Windsor, VT
Distance
100 Miles
Overall
216
/ 270
Division (M)
175
/ 214
27:55:28
Gunstock TrailFest
May 28th 2017
| Gilford, NH
Distance
50 Miles
Overall
94
/ 138
Division (M)
71
/ 97
10:41:49
2016
2 Races | 80 mi.JFK
Nov 19th 2016
| Boonsboro, MD
Distance
50 Miles
Overall
523
/ 753
Division (M)
413
/ 564
11:18:22
Shawangunk Ridge Trail (SRT) Run
Sep 17th 2016
| Rosendale, NY
Distance
30 Miles
Overall
2
/ 39
Division (M)
2
/ 30
6:51:00
12
Races
9y 8m 24d
Longevity
486
Lifetime Miles
Personal Bests
50k
(4)
4:59:47
2018
50m
(3)
10:00:01
2019
100m
(1)
27:55:28
2017
6hr
(3)
27.3
2026
Distance by Year
2026
27
Miles
1 Race
2025
58
Miles
2 Races
2024
58
Miles
2 Races
2019
50
Miles
1 Race
2018
31
Miles
1 Race
2017
181
Miles
3 Races
2016
80
Miles
2 Races
Multiple Performances
2nd Place
6:51:00
30 Miles
Achievements are awarded for races with 25 or more finishers and courses with 200 or more finishers.
Masters: 40-49 / Grand Masters: 50-59 / Senior Grand Masters: 60+