Kerby, James
United StatesManBorn 19631995 – 2025Runner id 68396
Events
98
97 race dates
Best pace
14.148
km/h · 2000
Best finish
2nd
of 421 · 2002
Distance raced
7,902
km · splits not double-counted
Pace over time
97 of 98 results · km/h
Pace over time: 97 races from 1995 to 2025, ranging from 4.33 to 14.60 kilometres per hour, where higher is faster. A second, age-graded series is drawn above it; the gap between the two is the age credit.
- Actual pace
- Age-graded pace
1 result is not on this chart. They are counted in every statistic above and listed in full below — backyard ultras carry a lap count instead of a pace, which is the number that means something in that format.
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 1995-07-29 | White River 50 Mile Trail RunUnited States | 47.6mi | 8:24:16 h | 9.115 | 6/72 |
| 1995-09-30 | Cle Elum Ridge 50kUnited States | 50km | 5:22:05 h | 9.314 | 6/63 |
| 1996-01-20 | Bridle Trails Winter Running FestivalUnited States | 50km | 5:50:08 h | 8.568 | 6/18 |
| 1996-04-21 | Falls to Gasworks Ultra RunUnited States | 83km | 6:48:25 h | 12.193 | 1/29 |
| 1996-06-01 | Winterhawk 50 Mile Trail RunUnited States | 50mi | 7:52:45 h | 10.213 | 5/45 |
| 1996-06-29 | Western States 100 Mile Endurance RunUnited States | 100mi | 24:46:30 h | 6.496 | 80/227 |
| 1996-09-14 | McKenzie River 50 Mile Trail RunUnited States | 50mi | 8:22:00 h | 9.618 | 1/29 |
| 1997-01-18 | Bridle Trails Winter Running FestivalUnited States | 50km | 4:19:15 h | 11.572 | 2/22 |
| 1997-03-15 | Chuckanut 50KUnited States | 50km | 4:39:20 h | 10.740 | 5/59 |
| 1997-04-27 | Falls to Gasworks Ultra RunUnited States | 83km | 6:37:47 h | 12.519 | 1/29 |
| 1997-06-28 | Western States 100 Mile Endurance RunUnited States | 100mi | 22:36:18 h | 7.119 | 55/257 |
| 1997-09-27 | Cle Elum Ridge 50kUnited States | 50km | 4:56:02 h | 10.134 | 3/111 |
| 1998-01-17 | Bridle Trails Winter Running FestivalUnited States | 50km | 4:16:53 h | 11.678 | 2/26 |
| 1998-03-21 | Chuckanut 50KUnited States | 50km | 4:26:01 h | 11.277 | 4/69 |
| 1998-04-19 | Falls to Gasworks Ultra RunUnited States | 83km | 6:35:11 h | 12.602 | 1/23 |
| 1998-06-06 | 50mi | 6:37:00 h | 12.161 | 2/61 | |
| 1998-07-25 | White River 50 Mile Trail RunUnited States | 47.6mi | 7:29:02 h | 10.236 | 3/30 |
| 1998-09-12 | 100mi | 25:52:00 h | 6.222 | 25/152 | |
| 1998-11-14 | Ron Herzog 50KUnited States | 50km | 4:11:50 h | 11.913 | 2/27 |
| 1999-03-13 | Chuckanut 50KUnited States | 50km | 4:29:23 h | 11.137 | 4/83 |
| 1999-04-11 | Mt. Si 50 Miles Ultra RunUnited States | 52mi | 6:52:35 h | 12.170 | 1/22 |
| 1999-05-06 | 50mi | 6:53:00 h | 11.690 | 2/45 | |
| 1999-07-24 | White River 50 Mile Trail RunUnited States | 47.6mi | 7:00:00 h | 10.944 | 4/60 |
| 1999-09-11 | 100mi | 23:31:00 h | 6.843 | 7/118 | |
| 2000-01-15 | Bridle Trails Winter Running FestivalUnited States | 50km | 4:31:50 h | 11.036 | 7/36 |
| 2000-03-18 | Chuckanut 50KUnited States | 50km | 4:22:44 h | 11.418 | 3/124 |
| 2000-04-09 | Mt. Si 50 Miles Ultra RunUnited States | 56mi | 6:22:12 h | 14.148 | 1/26 |
| 2000-06-03 | 100mi | 17:01:55 h | 9.449 | 2/65 | |
| 2000-07-29 | 47.6mi | 7:31:41 h | 10.176 | 5/54 | |
| 2000-11-11 | Ron Herzog 50KUnited States | 50km | 4:15:00 h | 11.765 | 3/25 |
| 2001-02-17 | 50km | 3:45:56 h | 13.278 | 1/63 | |
| 2001-03-17 | 50mi | 7:59:12 h | 10.075 | 2/42 | |
| 2001-04-08 | Mt. Si 50 Miles Ultra RunUnited States | 50mi | 5:54:37 h | 13.615 | 1/26 |
| 2001-05-19 | Silver State 50 MilesUnited States | 50mi | 7:41:44 h | 10.456 | 1/45 |
| 2001-07-28 | 50mi | 8:21:15 h | 9.632 | 26/128 | |
| 2001-08-18 | 100mi | 22:29:53 h | 7.153 | 14/166 | |
| 2001-09-22 | Cle Elum Ridge 50kUnited States | 50km | 4:47:32 h | 10.434 | 1/108 |
| 2002-03-02 | Old Pueblo 50 Mile Endurance RunUnited States | 50mi | 7:45:59 h | 10.361 | 4/52 |
| 2002-04-06 | American River 50 Mile Endurance RunUnited States | 50mi | 6:21:32 h | 12.654 | 2/421 |
| 2002-06-29 | Western States 100 Mile Endurance RunUnited States | 100mi | 18:11:27 h | 8.847 | 5/255 |
| 2002-07-27 | 50mi | 7:40:05 h | 10.494 | 9/106 | |
| 2003-04-27 | Mt. Si 50 Miles Ultra RunUnited States | 50mi | 6:04:00 h | 13.264 | 1/27 |
| 2004-01-10 | Bridle Trails Winter Running FestivalUnited States | 50km | 3:45:32 h | 13.302 | 2/24 |
| 2004-01-24 | Capitol Peak MegaFatAssUnited States | 34mi | 5:12:00 h | 10.523 | 3/24 |
| 2004-02-07 | 50km | 4:41:00 h | 10.676 | 4/26 | |
| 2004-02-21 | 50km | 3:58:57 h | 12.555 | 2/81 | |
| 2004-03-13 | Chuckanut 50KUnited States | 50km | 4:21:02 h | 11.493 | 4/197 |
| 2004-07-31 | 50mi | 7:54:28 h | 10.176 | 12/104 | |
| 2004-10-02 | 100mi | 15:37:26 h | 10.301 | 1/82 | |
| 2004-11-13 | 50km | 4:59:18 h | 10.023 | 7/34 | |
| 2005-01-08 | Bridle Trails Winter Running FestivalUnited States | 50km | 3:46:06 h | 13.268 | 3/34 |
| 2005-01-22 | Capitol Peak MegaFatAssUnited States | 34mi | 5:07:00 h | 10.694 | 2/36 |
| 2005-03-05 | Old Pueblo 50 Mile Endurance RunUnited States | 50mi | 7:33:27 h | 10.647 | 3/100 |
| 2005-03-26 | 100km | 9:34:36 h | 10.442 | 1/9 | |
| 2005-04-17 | 50km | 3:49:21 h | 13.080 | 3/41 | |
| 2005-04-30 | 100km | 9:00:40 h | 11.097 | 7/223 | |
| 2005-06-25 | 100mi | 18:01:33 h | 8.928 | 5/318 | |
| 2005-07-30 | 50mi | 7:50:00 h | 10.272 | 8/115 | |
| 2005-08-27 | Tamalpa Headlands 50KUnited States | 31.5mi | 4:20:21 h | 11.683 | 9/168 |
| 2006-01-14 | 100mi | 26:38:00 h | 6.043 | 2/25 | |
| 2006-04-15 | Capitol Peak 50 MilerUnited States | 50mi | 8:22:35 h | 9.606 | 4/26 |
| 2006-04-23 | 50mi | 6:18:05 h | 12.770 | 1/48 | |
| 2006-05-20 | Watershed Preserve 12 Hr Trail RaceUnited States | 12h | 86.502 km | 7.209 | 9/30 |
| 2006-06-24 | 100mi | 20:03:18 h | 8.025 | 6/210 | |
| 2006-09-16 | 50km | 4:52:55 h | 10.242 | 1/70 | |
| 2006-10-07 | Baker Lake 50K Ultra Trail RunUnited States | 50km | 4:15:19 h | 11.750 | 1/113 |
| 2006-11-18 | 50mi | 6:36:34 h | 12.175 | 8/1016 | |
| 2007-03-17 | Chuckanut 50KUnited States | 50km | 4:43:58 h | 10.565 | 16/260 |
| 2007-04-22 | 50mi | 6:09:07 h | 13.080 | 1/54 | |
| 2007-04-28 | Capitol Peak 50 MilerUnited States | 50mi | 7:31:50 h | 10.685 | 1/36 |
| 2007-05-19 | Watershed Preserve 12 Hr Trail RaceUnited States | 12h | 51.901 km | 4.325 | 39/56 |
| 2007-06-02 | Blanchard Mountain Trail Ultra 36milesUnited States | 36Miles | 6:55:00 h | — | 1/1 |
| 2007-07-21 | 100mi | 16:11:09 h | 9.943 | 2/142 | |
| 2008-09-13 | Cle Elum Ridge 50kUnited States | 50km | 5:26:00 h | 9.202 | 12/80 |
| 2009-06-20 | The 20th Century 50K Trail RunUnited States | 50km | 3:40:43 h | 13.592 | 1/17 |
| 2009-07-11 | 50km | 4:56:38 h | 10.113 | 3/36 | |
| 2011-01-22 | Pigtails Run 50KUnited States | 50km | 4:10:54 h | 11.957 | 4/84 |
| 2011-06-12 | 50km | 5:27:33 h | 9.159 | 8/70 | |
| 2011-07-30 | 50mi | 8:56:56 h | 8.992 | 35/244 | |
| 2012-05-11 | 50mi | 9:19:38 h | 8.627 | 8/59 | |
| 2012-07-28 | 50mi | 8:37:31 h | 9.329 | 43/275 | |
| 2012-09-07 | 100mi | 24:47:19 h | 6.492 | 6/89 | |
| 2013-02-24 | 50km | 4:57:08 h | 10.096 | 7/62 | |
| 2013-09-21 | 50km | 5:32:09 h | 9.032 | 5/92 | |
| 2014-03-28 | 50km | 4:50:53 h | 10.313 | 6/67 | |
| 2014-04-12 | 50km | 5:29:59 h | 9.091 | 6/18 | |
| 2014-04-26 | 50mi | 8:30:00 h | 9.467 | 12/76 | |
| 2014-06-14 | 100mi | 23:42:45 h | 6.787 | 4/89 | |
| 2015-06-20 | Taylor Mountain 50 Km Trail RunUnited States | 50km | 4:41:53 h | 10.643 | 1/18 |
| 2015-07-25 | 50mi | 8:56:36 h | 8.997 | 32/276 | |
| 2015-09-11 | 100mi | 24:56:43 h | 6.451 | 15/203 | |
| 2021-12-11 | 50km | 5:36:36 h | 8.913 | 18/26 | |
| 2023-07-15 | 100km | 15:42:39 h | 6.365 | 40/134 | |
| 2024-05-25 | 55km | 6:48:13 h | 8.084 | 11/19 | |
| 2024-06-09 | Hiawatha Trail RunUnited States | 50km | 4:21:18 h | 11.481 | 7/56 |
| 2024-06-22 | 50mi | 11:02:47 h | 7.284 | 22/50 | |
| 2024-08-09 | Swiss Alps 100 - 100kmSwitzerland | 100km | 21:25:51 h | 4.666 | 47/136 |
| 2025-05-24 | 55km | 6:57:22 h | 7.907 | 17/31 |