Colin Rettammel (M41)
2026
1 Race | 40 mi.Hone Quarry 40 Miler
Mar 28th 2026
| Dayton, VA
Distance
40 Miles
Overall
29
/ 83
Division (M)
24
/ 63
8:47:37
2025
3 Races | 121 mi.Endless Summer 6-Hour Run
Jul 19th 2025
| Annapolis, MD
Duration
6 Hours
Overall
4
/ 55
Division (M)
4
/ 39
40
OSS/CIA
Jun 14th 2025
| Triangle, VA
Distance
50 Miles
Overall
1
/ 52
Division (M)
1
/ 46
8:58:10
Mid-Maryland Ultra
Jan 4th 2025
| Elkridge, MD
Distance
50 KM
Overall
7
/ 62
Division (M)
6
/ 47
4:20:12
2024
3 Races | 243 mi.Cacapon 12 Hour Challenge
Jul 6th 2024
| Berkely Springs, WV
Duration
12 Hours
Overall
9
/ 34
Division (X)
1
/ 1
42.26
Massanutten Mountain Trails 100 Mile Run
May 18th 2024
| Fort Valley, VA
Distance
100 Miles
Overall
70
/ 119
Division (M)
64
/ 99
32:24:28
Dogwood Ultra Marathons
Mar 22nd 2024
| Chesterfield, VA
Duration
48 Hours
Overall
9
/ 33
Division (M)
7
/ 25
100.76
2023
2 Races | 96 mi.OSS/CIA
Jun 17th 2023
| Triangle, VA
Distance
50 Miles
Overall
14
/ 53
Division (M)
13
/ 47
11:23:09
Farm Park Challenge
May 6th 2023
| Derwood, MD
Duration
10 Hours
Overall
6
/ 8
Division (M)
6
/ 8
45.9
2022
3 Races | 112 mi.Marine Corps Marathon
Oct 30th 2022
| Arlington, VA
Distance
50 KM
Overall
125
/ 986
Division (M)
104
/ 660
4:32:23
OSS/CIA
Jun 11th 2022
| Triangle, VA
Distance
50 Miles
Overall
17
/ 48
Division (M)
15
/ 40
12:10:53
Chopawamsic Challenge
Apr 23rd 2022
| Triangle, VA
Distance
50 KM
Overall
1
/ 15
Division (M)
1
/ 10
6:21:25
2021
3 Races | 167 mi.Stone Mill 50M
Nov 13th 2021
| Montgomery Village, MD
Distance
50 Miles
Overall
60
/ 220
Division (M)
50
/ 153
10:37:44
Cacapon 12 Hour Challenge
Jul 17th 2021
| Berkely Springs, WV
Duration
12 Hours
Overall
6
/ 35
Division (M)
6
/ 25
42.2
Cow Bone Trail Run
May 29th 2021
| Sharpsburg, MD
Duration
24 Hours
Overall
8
/ 39
Division (M)
8
/ 28
75
2020
1 Race | 35 mi.Cacapon 12 Hour Challenge
Jul 18th 2020
| Berkely Springs, WV
Duration
12 Hours
Overall
24
/ 43
Division (M)
20
/ 35
35
2019
7 Races | 414 mi.Uwharrie 100 Mile and 100K Trail Run
Oct 19th 2019
| Troy, NC
Distance
100 Miles
Overall
10
/ 19
Division (M)
9
/ 16
33:21:16
Mason District Running Festival
Sep 28th 2019
| Annandale, VA
Duration
6 Hours
Overall
8
/ 8
Division (M)
6
/ 6
27.9
12 Hour - Adventure Trail Run
Sep 21st 2019
| Triangle, VA
Duration
12 Hours
Overall
7
/ 81
Division (M)
2
/ 51
52
MD Heat Trail Race
Aug 17th 2019
| Elkridge, MD
Distance
50 KM
Overall
26
/ 59
Division (M)
20
/ 42
7:45:25
Cacapon 12 Hour Challenge
Jul 6th 2019
| Berkely Springs, WV
Duration
12 Hours
Overall
13
/ 31
Division (M)
8
/ 21
40.09
Forbidden Forest 30 Hour Ultra Run
Jun 29th 2019
| Stratford, CT
Duration
30 Hours
Overall
35
/ 66
Division (M)
25
/ 44
62.44
Greenbrier Endurance Runs
Mar 29th 2019
| Boonesboro, MD
Distance
100 Miles
Overall
18
/ 22
Division (M)
15
/ 18
29:59:02
2018
6 Races | 310 mi.Devil Dog Ultras
Dec 1st 2018
| Triangle, VA
Distance
100 KM
Overall
52
/ 81
Division (M)
38
/ 58
17:46:17
Wawayanda Wonderful 100
Oct 20th 2018
| Hewitt, NJ
Distance
100 Miles
Overall
9
/ 11
Division (M)
8
/ 10
28:57:06
12 Hour - Adventure Trail Run
Sep 15th 2018
| Triangle, VA
Duration
12 Hours
Overall
13
/ 74
Division (M)
10
/ 44
45.5
MD Heat Trail Race
Aug 18th 2018
| Elkridge, MD
Distance
50 KM
Overall
26
/ 44
Division (M)
21
/ 33
8:24:55
Rosaryville Trail Runs
Jul 22nd 2018
| Upper Marlboro, MD
Distance
50 KM
Overall
28
/ 49
Division (M)
20
/ 37
6:19:09
Cacapon 12 Hour Challenge
Jul 7th 2018
| Berkely Springs, WV
Duration
12 Hours
Overall
26
/ 51
Division (M)
20
/ 38
40.03
2017
3 Races | 112 mi.Stone Mill 50M
Nov 11th 2017
| Montgomery Village, MD
Distance
50 Miles
Overall
211
/ 252
Division (M)
147
/ 174
13:36:02
Night Train 50k
Jul 1st 2017
| Farmville, VA
Distance
50 KM
Overall
51
/ 68
Division (M)
37
/ 47
7:41:44
The North Face Endurance Challenge Washi...
Apr 29th 2017
| Washington DC, DC
Distance
50 KM
Overall
191
/ 391
Division (M)
144
/ 249
6:51:13
32
Races
8y 10m 5d
Longevity
1,650
Lifetime Miles
Personal Bests
50k
(8)
4:20:12
2025
50m
(5)
8:58:10
2025
100k
(1)
17:46:17
2018
100m
(4)
28:57:06
2018
24hr
(1)
75
2021
12hr
(7)
52
2019
6hr
(2)
40
2025
Distance by Year
2026
40
Miles
1 Race
2025
121
Miles
3 Races
2024
243
Miles
3 Races
2023
96
Miles
2 Races
2022
112
Miles
3 Races
2021
167
Miles
3 Races
2020
35
Miles
1 Race
2019
414
Miles
7 Races
2018
310
Miles
6 Races
2017
112
Miles
3 Races
Multiple Performances
1st Place
8:58:10
50 Miles
1st Place
42.26
12 Hours
Course Record
42.26
12 Hours
2nd Place
52
12 Hours
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+