Rebecca Kosek (F45)
2026
2 Races | 150 mi.Sri Chinmoy 12 & 24 Hour Races
Jun 13th 2026
| Congers, NY
Duration
24 Hours
Overall
2
/ 40
Division (F)
1
/ 12
109.157
South Mountain ThrowDown Lite*
Apr 25th 2026
| Reinholds, PA
Duration
10 Hours
Overall
4
/ 12
Division (F)
1
/ 4
40.96
2025
3 Races | 222 mi.Oil Creek 100 Trail Runs
Oct 4th 2025
| Titusville, PA
Distance
100 Miles
Overall
5
/ 34
Division (F)
1
/ 5
23:44:32
Labor Pain
Aug 31st 2025
| Reading, PA
Duration
12 Hours
Overall
5
/ 174
Division (F)
2
/ 87
60
Rabid Raccoon 100
Mar 15th 2025
| Beaver Falls, PA
Distance
100 KM
Overall
5
/ 101
Division (F)
1
/ 37
12:04:02
2024
2 Races | 134 mi.On the Dam Trail: Quemahoning Relay Race
Apr 27th 2024
| Hooversville, PA
Distance
34 Miles
Overall
7
/ 35
Division (F)
4
/ 14
6:15:59
Rabid Raccoon 100
Mar 16th 2024
| Beaver Falls, PA
Distance
100 Miles
Overall
8
/ 40
Division (F)
1
/ 7
25:00:47
2023
2 Races | 200 mi.Oil Creek 100 Trail Runs
Oct 7th 2023
| Titusville, PA
Distance
100 Miles
Overall
3
/ 16
Division (F)
1
/ 2
23:35:41
Crazy Mountain 100
Jul 28th 2023
| Lennep, MT
Distance
100 Miles
Overall
43
/ 125
Division (F)
7
/ 24
30:27:21
2022
2 Races | 184 mi.Oil Creek 100 Trail Runs
Oct 15th 2022
| Titusville, PA
Distance
100 Miles
Overall
2
/ 46
Division (F)
1
/ 7
22:19:03
Howland's Neck Ache
Apr 9th 2022
| Tunkhannock, PA
Duration
24 Hours
Overall
2
/ 10
Division (F)
1
/ 4
84
2021
3 Races | 164 mi.Oil Creek 100 Trail Runs
Oct 16th 2021
| Titusville, PA
Distance
100 KM
Overall
2
/ 65
Division (F)
1
/ 27
12:56:40
Twisted Branch Trail Run
Aug 21st 2021
| Naples, NY
Distance
100 KM
Overall
13
/ 108
Division (F)
2
/ 23
13:51:42
Naked Bavarian
Mar 27th 2021
| Leesport, PA
Distance
40 Miles
Overall
15
/ 64
Division (F)
5
/ 17
7:27:41
2020
3 Races | 218 mi.Green Monster Trail Challenge
Oct 11th 2020
| Wellsboro, PA
Distance
50 KM
Overall
10
/ 49
Division (F)
1
/ 16
6:17:53
Worlds End Ultramarathons
Sep 26th 2020
| Forksville, PA
Distance
100 KM
Overall
12
/ 64
Division (F)
2
/ 19
15:04:11
Bob's Big Timber Backyard Ultra
Aug 1st 2020
| Glenmont, OH
Duration
Backyard
Overall
4
/ 55
Division (F)
1
/ 4
125
2019
1 Race | 31 mi.Hyner Trail Challenge
Apr 20th 2019
| Hyner, PA
Distance
50 KM
Overall
172
/ 267
Division (F)
29
/ 62
7:35:27
2018
1 Race | 40 mi.Naked Bavarian
Mar 3rd 2018
| Leesport, PA
Distance
40 Miles
Overall
25
/ 71
Division (F)
4
/ 18
7:36:44
2017
1 Race | 31 mi.Green Monster Trail Challenge
Oct 8th 2017
| Wellsboro, PA
Distance
50 KM
Overall
17
/ 79
Division (F)
5
/ 22
7:00:47
20
Races
8y 8m 10d
Longevity
1,375
Lifetime Miles
Personal Bests
50k
(3)
6:17:53
2020
100k
(4)
12:04:02
2025
100m
(5)
22:19:03
2022
24hr
(2)
109.1574
2026
12hr
(1)
60
2025
Backyard
(1)
125
2020
Distance by Year
2026
150
Miles
2 Races
2025
222
Miles
3 Races
2024
134
Miles
2 Races
2023
200
Miles
2 Races
2022
184
Miles
2 Races
2021
164
Miles
3 Races
2020
218
Miles
3 Races
2019
31
Miles
1 Race
2018
40
Miles
1 Race
2017
31
Miles
1 Race
Multiple Performances
Masters Course Record
109.1574
24 Hours
1st Place
109.1574
24 Hours
Masters Winner
109.1574
24 Hours
Course Record
109.1574
24 Hours
Masters Winner
23:44:32
100 Miles
1st Place
23:44:32
100 Miles
2nd Place
60
12 Hours
Masters Winner
12:04:02
100 KM
Course Record
12:04:02
100 KM
Masters Course Record
12:04:02
100 KM
1st Place
12:04:02
100 KM
1st Place
25:00:47
100 Miles
Masters Winner
25:00:47
100 Miles
Masters Winner
22:19:03
100 Miles
1st Place
22:19:03
100 Miles
1st Place
12:56:40
100 KM
Masters Winner
12:56:40
100 KM
2nd Place
13:51:42
100 KM
1st Place
6:17:53
50 KM
2nd Place
15:04:11
100 KM
1st Place
125
Backyard
Course Record
125
Backyard
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+