Brent Haefner (M67)
2025
2 Races | 135 mi.Tunnel Hill 100
Nov 8th 2025
| Vienna, IL
Distance
100 Miles
Overall
167
/ 173
Division (M)
132
/ 134
29:12:38
Death by Staircase
Jun 7th 2025
| Moreau, NY
Duration
12 Hours
Overall
4
/ 12
Division (M)
3
/ 8
35.1
2024
6 Races | 259 mi.Tunnel Hill 100
Nov 9th 2024
| Vienna, IL
Distance
100 Miles
Overall
181
/ 194
Division (M)
132
/ 141
28:46:50
Buck 50
Oct 5th 2024
| Kattskill bay, NY
Distance
50 KM
Overall
36
/ 36
Division (M)
28
/ 28
11:34:13
Watershed Endurance 6Hr/3Hr Run
Aug 10th 2024
| Edwardsville, IL
Duration
6 Hours
Overall
17
/ 27
Division (M)
14
/ 27
30.3
Death by Staircase
Jun 8th 2024
| Moreau, NY
Duration
12 Hours
Overall
2
/ 8
Division (M)
4
/ 6
35.1
Febapple Frozen Fifty
Feb 24th 2024
| Maplewood, NJ
Distance
50 KM
Overall
14
/ 42
Division (M)
11
/ 31
5:42:33
Frosty Fat Sass
Jan 27th 2024
| West Orange, NJ
Duration
6 Hours
Overall
18
/ 33
Division (M)
16
/ 48
31
2023
3 Races | 82 mi.Death by Staircase
Jun 10th 2023
| Moreau, NY
Duration
6 Hours
Overall
5
/ 1
Division (M)
5
/ 5
19.5
Frosty Fat Sass
Jan 28th 2023
| West Orange, NJ
Duration
6 Hours
Overall
11
/ 40
Division (M)
9
/ 33
31
GAC FA50
Jan 7th 2023
| Topsfield, MA
Distance
50 KM
Overall
15
/ 37
Division (M)
13
/ 25
5:22:00
2022
3 Races | 166 mi.Ozark Trail 100 Mile Endurance Run
Oct 29th 2022
| Steelville, MO
Distance
100 Miles
Overall
17
/ 21
Division (M)
16
/ 19
30:40:02
Minnie Ha Ha 6 & 12 hour run
Oct 15th 2022
| St. Louis, MO
Duration
6 Hours
Overall
2
/ 10
Division (M)
2
/ 8
35.4082
GAC FA50
Jan 8th 2022
| Topsfield, MA
Distance
50 KM
Overall
8
/ 19
Division (M)
8
/ 14
5:45:00
2021
9 Races | 464 mi.Ozark Trail 100 Mile Endurance Run
Oct 30th 2021
| Steelville, MO
Distance
100 Miles
Overall
13
/ 26
Division (M)
12
/ 23
28:09:55
Rock Bridge Revenge
Oct 2nd 2021
| Columbia, MO
Distance
50 KM
Overall
8
/ 32
Division (M)
8
/ 21
5:50:52
Underdown Trail Races
Aug 21st 2021
| Merrill, WI
Distance
50 KM
Overall
5
/ 9
Division (M)
4
/ 7
7:30:25
Get Your Butt Kicked @ Route 66
Jul 17th 2021
| Eureka, MO
Duration
6 Hours
Overall
15
/ 48
Division (M)
14
/ 33
34.189
Kettle Moraine 100 Endurance Runs
Jun 12th 2021
| La Grange, WI
Distance
100 Miles
Overall
25
/ 67
Division (M)
20
/ 43
26:45:21
Berryman 50 mile and Marathon Trail Rac...
May 15th 2021
| Potosi, MO
Distance
50 Miles
Overall
15
/ 41
Division (M)
13
/ 32
10:43:33
Double Chubb
Apr 17th 2021
| St Louis, MO
Distance
50 KM
Overall
12
/ 48
Division (M)
12
/ 35
5:42:24
Howard Aslinger Memorial Endurance Run
Mar 19th 2021
| Cape Girardeau, MO
Duration
12 Hours
Overall
8
/ 41
Division (M)
5
/ 21
55.168
David's Trail Endurance Run
Jan 23rd 2021
| Mountain Home, AR
Distance
50 KM
Overall
17
/ 52
Division (M)
14
/ 33
6:22:47
2020
2 Races | 131 mi.Ozark Trail 100 Mile Endurance Run
Nov 7th 2020
| Steelville, MO
Distance
100 Miles
Overall
9
/ 45
Division (M)
9
/ 40
25:47:00
David's Trail Endurance Run
Jan 18th 2020
| Mountain Home, AR
Distance
50 KM
Overall
10
/ 60
Division (M)
9
/ 40
6:16:49
2019
7 Races | 292 mi.The North Face Endurance Challenge Wisco...
Sep 14th 2019
| Dousman, WI
Distance
50 Miles
Overall
27
/ 135
Division (M)
22
/ 97
9:06:20
Underdown Trail Races
Aug 24th 2019
| Merrill, WI
Distance
50 KM
Overall
3
/ 25
Division (M)
3
/ 11
6:10:33
Get Your Butt Kicked @ Route 66
Jul 20th 2019
| Eureka, MO
Duration
6 Hours
Overall
2
/ 37
Division (M)
2
/ 25
36.877
Kettle Moraine 100 Endurance Runs
Jun 1st 2019
| La Grange, WI
Distance
100 KM
Overall
13
/ 97
Division (M)
11
/ 63
12:21:06
Double Chubb
Apr 20th 2019
| St Louis, MO
Distance
50 KM
Overall
7
/ 55
Division (M)
7
/ 40
5:17:55
Land between the Lakes
Mar 9th 2019
| Grand Rivers, KY
Distance
50 Miles
Overall
14
/ 58
Division (M)
12
/ 42
9:27:51
David's Trail Endurance Run
Jan 19th 2019
| Mountain Home, AR
Distance
50 KM
Overall
9
/ 35
Division (M)
9
/ 28
6:38:29
2018
4 Races | 143 mi.The North Face Endurance Challenge Wisco...
Sep 15th 2018
| Dousman, WI
Distance
50 Miles
Overall
24
/ 116
Division (M)
17
/ 84
9:42:47
Underdown Trail Races
Aug 25th 2018
| Merrill, WI
Distance
50 KM
Overall
3
/ 25
Division (M)
3
/ 11
6:10:32
Kettle Moraine 100 Endurance Runs
Jun 2nd 2018
| La Grange, WI
Distance
50 KM
Overall
14
/ 83
Division (M)
13
/ 54
5:37:27
David's Trail Endurance Run
Jan 20th 2018
| Mountain Home, AR
Distance
50 KM
Overall
6
/ 29
Division (M)
5
/ 18
6:32:43
2017
2 Races | 62 mi.Underdown Trail Races
Aug 26th 2017
| Merrill, WI
Distance
50 KM
Overall
2
/ 22
Division (M)
2
/ 11
5:57:31
Dawg Gone Long Run
Jun 24th 2017
| Waynesville, OH
Distance
50 KM
Overall
7
/ 50
Division (M)
5
/ 33
6:24:00
38
Races
8y 4m 19d
Longevity
1,734
Lifetime Miles
Personal Bests
50k
(17)
5:17:55
2019
50m
(4)
9:06:20
2019
100k
(1)
12:21:06
2019
100m
(6)
25:47:00
2020
12hr
(3)
55.168
2021
6hr
(7)
36.877
2019
Distance by Year
2025
135
Miles
2 Races
2024
259
Miles
6 Races
2023
82
Miles
3 Races
2022
166
Miles
3 Races
2021
464
Miles
9 Races
2020
131
Miles
2 Races
2019
292
Miles
7 Races
2018
143
Miles
4 Races
2017
62
Miles
2 Races
Multiple Performances
Senior Grand Master Course Record
5:22:00
50 KM
Senior Grand Master Course Record
25:47:00
100 Miles
Senior Grand Master Course Record
6:16:49
50 KM
3rd Place
6:10:33
50 KM
2nd Place
36.877
6 Hours
Masters Winner
36.877
6 Hours
Senior Grand Master Course Record
36.877
6 Hours
Senior Grand Master Course Record
9:27:51
50 Miles
3rd Place
6:10:32
50 KM
Masters Winner
6:24:00
50 KM
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+