United StatesFixed distance
Seth’s Fat Ass 50K
20 Dec2025
Distance
50km
Finishers
4026 men14 women
Winning time
4:02:31h
Median pace
9.43km/h
Pace distribution
40 finishers · 7.23–12.37 km/h · mean 9.42
Every finisher ran the same 50 km course, so these paces are directly comparable.
Histogram of finisher pace. 40 finishers ranged from 7.23 to 12.37 kilometres per hour, with a mean of 9.42 and a median of 9.43. The busiest band is 8.5 to 9.0 kilometres per hour, with 7 finishers.
Results
Ranks 1–40 of 40
| Rank | Runner | Time | Pace | Cat. | Placing |
|---|---|---|---|---|---|
| 1 | *Hamden, CT | 4:02:31h | 12.37 | M45 | 1st M · 1st M45 |
| 2 | *Swampscott, MA | 4:05:43h | 12.21 | MU23 | 2nd M · 1st MU23 |
| 3 | *Florence, MA | 4:10:53h | 11.96 | M60 | 3rd M · 1st M60 |
| 4 | *New York, NY | 4:18:07h | 11.62 | M23 | 4th M · 1st M23 |
| 5 | *Winchester, AL | 4:22:55h | 11.41 | W23 | 1st F · 1st W23 |
| 6 | *Wilbraham, MA | 4:36:46h | 10.84 | M23 | 5th M · 2nd M23 |
| 7 | *Salem, NH | 4:44:17h | 10.55 | M23 | 6th M · 3rd M23 |
| 8 | 4:47:46h | 10.43 | W23 | 2nd F · 2nd W23 | |
| 9 | *Springfield, MA | 4:49:00h | 10.38 | M40 | 7th M · 1st M40 |
| 10 | *Chicopee, MA | 4:51:31h | 10.29 | M23 | 8th M · 4th M23 |
| 11 | *Springfield, MA | 4:59:10h | 10.03 | M40 | 9th M · 2nd M40 |
| 11 | *Springfield, MA | 4:59:10h | 10.03 | MU23 | 9th M · 2nd MU23 |
| 13 | 4:59:28h | 10.02 | M35 | 11th M · 1st M35 | |
| 14 | 5:04:07h | 9.87 | W55 | 3rd F · 1st W55 | |
| 15 | *Belchertown, MA | 5:09:47h | 9.68 | W50 | 4th F · 1st W50 |
| 16 | *Wilbraham, MA | 5:09:54h | 9.68 | M50 | 12th M · 1st M50 |
| 17 | *Florence, MA | 5:10:35h | 9.66 | W45 | 5th F · 1st W45 |
| 18 | *Duxbury, MA | 5:11:03h | 9.64 | WU23 | 6th F · 1st WU23 |
| 18 | *Duxbury, MA | 5:11:03h | 9.64 | MU23 | 13th M · 3rd MU23 |
| 20 | 5:18:18h | 9.43 | W55 | 7th F · 2nd W55 | |
| 20 | *Southwick, MA | 5:18:18h | 9.43 | W40 | 7th F · 1st W40 |
| 22 | *Norwich, VT | 5:30:07h | 9.09 | WU23 | 9th F · 2nd WU23 |
| 23 | *East Granby, CT | 5:34:32h | 8.97 | W35 | 10th F · 1st W35 |
| 24 | *Franklin, MA | 5:35:10h | 8.95 | W35 | 11th F · 2nd W35 |
| 25 | *Paterson, NJ | 5:35:48h | 8.93 | M60 | 14th M · 2nd M60 |
| 26 | *Whitman, MA | 5:39:31h | 8.84 | M23 | 15th M · 5th M23 |
| 27 | 5:44:09h | 8.72 | M35 | 16th M · 2nd M35 | |
| 28 | *Hanover, NH | 5:47:54h | 8.62 | WU23 | 12th F · 3rd WU23 |
| 29 | *Fitchburg, MA | 5:52:12h | 8.52 | M45 | 17th M · 2nd M45 |
| 30 | *Westfield, MA | 5:54:08h | 8.47 | M23 | 18th M · 6th M23 |
| 31 | *Southwick, MA | 5:57:10h | 8.40 | W45 | 13th F · 2nd W45 |
| 32 | 5:59:16h | 8.35 | M23 | 19th M · 7th M23 | |
| 33 | *Westfield, MA | 5:59:17h | 8.35 | M50 | 20th M · 2nd M50 |
| 34 | *East Granby, CT | 6:02:12h | 8.28 | M40 | 21st M · 3rd M40 |
| 35 | *Wallingford, CT | 6:25:01h | 7.79 | M23 | 22nd M · 8th M23 |
| 36 | *Longmeadow, MA | 6:25:06h | 7.79 | M40 | 23rd M · 4th M40 |
| 37 | *Portland, CT | 6:36:10h | 7.57 | M50 | 24th M · 3rd M50 |
| 38 | *Duxbury, MA | 6:42:31h | 7.45 | W50 | 14th F · 2nd W50 |
| 39 | *Concord, MA | 6:42:43h | 7.45 | MU23 | 25th M · 4th MU23 |
| 40 | *Holyoke, MA | 6:55:02h | 7.23 | M40 | 26th M · 5th M40 |
- 1*Hamden, CT1st M · 1st M45Time4:02:31hPace12.37Cat.M45
- 2*Swampscott, MA2nd M · 1st MU23Time4:05:43hPace12.21Cat.MU23
- 3*Florence, MA3rd M · 1st M60Time4:10:53hPace11.96Cat.M60
- 4*New York, NY4th M · 1st M23Time4:18:07hPace11.62Cat.M23
- 5*Winchester, AL1st F · 1st W23Time4:22:55hPace11.41Cat.W23
- 6*Wilbraham, MA5th M · 2nd M23Time4:36:46hPace10.84Cat.M23
- 7*Salem, NH6th M · 3rd M23Time4:44:17hPace10.55Cat.M23
- 82nd F · 2nd W23Time4:47:46hPace10.43Cat.W23
- 9*Springfield, MA7th M · 1st M40Time4:49:00hPace10.38Cat.M40
- 10*Chicopee, MA8th M · 4th M23Time4:51:31hPace10.29Cat.M23
- 11*Springfield, MA9th M · 2nd M40Time4:59:10hPace10.03Cat.M40
- 11*Springfield, MA9th M · 2nd MU23Time4:59:10hPace10.03Cat.MU23
- 1311th M · 1st M35Time4:59:28hPace10.02Cat.M35
- 143rd F · 1st W55Time5:04:07hPace9.87Cat.W55
- 15*Belchertown, MA4th F · 1st W50Time5:09:47hPace9.68Cat.W50
- 16*Wilbraham, MA12th M · 1st M50Time5:09:54hPace9.68Cat.M50
- 17*Florence, MA5th F · 1st W45Time5:10:35hPace9.66Cat.W45
- 18*Duxbury, MA6th F · 1st WU23Time5:11:03hPace9.64Cat.WU23
- 18*Duxbury, MA13th M · 3rd MU23Time5:11:03hPace9.64Cat.MU23
- 207th F · 2nd W55Time5:18:18hPace9.43Cat.W55
- 20*Southwick, MA7th F · 1st W40Time5:18:18hPace9.43Cat.W40
- 22*Norwich, VT9th F · 2nd WU23Time5:30:07hPace9.09Cat.WU23
- 23*East Granby, CT10th F · 1st W35Time5:34:32hPace8.97Cat.W35
- 24*Franklin, MA11th F · 2nd W35Time5:35:10hPace8.95Cat.W35
- 25*Paterson, NJ14th M · 2nd M60Time5:35:48hPace8.93Cat.M60
- 26*Whitman, MA15th M · 5th M23Time5:39:31hPace8.84Cat.M23
- 2716th M · 2nd M35Time5:44:09hPace8.72Cat.M35
- 28*Hanover, NH12th F · 3rd WU23Time5:47:54hPace8.62Cat.WU23
- 29*Fitchburg, MA17th M · 2nd M45Time5:52:12hPace8.52Cat.M45
- 30*Westfield, MA18th M · 6th M23Time5:54:08hPace8.47Cat.M23
- 31*Southwick, MA13th F · 2nd W45Time5:57:10hPace8.40Cat.W45
- 3219th M · 7th M23Time5:59:16hPace8.35Cat.M23
- 33*Westfield, MA20th M · 2nd M50Time5:59:17hPace8.35Cat.M50
- 34*East Granby, CT21st M · 3rd M40Time6:02:12hPace8.28Cat.M40
- 35*Wallingford, CT22nd M · 8th M23Time6:25:01hPace7.79Cat.M23
- 36*Longmeadow, MA23rd M · 4th M40Time6:25:06hPace7.79Cat.M40
- 37*Portland, CT24th M · 3rd M50Time6:36:10hPace7.57Cat.M50
- 38*Duxbury, MA14th F · 2nd W50Time6:42:31hPace7.45Cat.W50
- 39*Concord, MA25th M · 4th MU23Time6:42:43hPace7.45Cat.MU23
- 40*Holyoke, MA26th M · 5th M40Time6:55:02hPace7.23Cat.M40