Mark, John
United StatesManBorn 19521982 – 2024Runner id 24570
Events
200
1982 – 2024
Best pace
10.382
km/h · 1992
Best finish
23rd
of 237 · 1998
Distance raced
13,691
km · splits not double-counted
Pace over time
km/h · higher is faster
Pace over time: 200 races from 1982 to 2024, ranging from 3.92 to 11.40 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
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 1982-08-01 | Skyline 50k Endurance RunUnited States | 50km | 5:29:10 h | 9.114 | 164/274 |
| 1988-02-06 | Jed Smith Ultra Classic - 50 Mile RaceUnited States | 50mi | 8:43:19 h | 9.226 | 49/69 |
| 1988-04-10 | American River 50 Mile Endurance RunUnited States | 50mi | 9:16:07 h | 8.682 | 94/225 |
| 1989-04-09 | American River 50 Mile Endurance RunUnited States | 50mi | 9:31:45 h | 8.444 | 107/252 |
| 1990-04-07 | American River 50 Mile Endurance RunUnited States | 50mi | 8:14:40 h | 9.760 | 104/308 |
| 1990-05-12 | Quicksilver 50 km Endurance RunUnited States | 50km | 4:57:35 h | 10.081 | 8/40 |
| 1990-08-04 | Skyline 50k Endurance RunUnited States | 50km | 4:50:07 h | 10.341 | 14/65 |
| 1991-02-16 | Pacific Crest Trail FiftyUnited States | 50mi | 9:30:16 h | 8.466 | 34/94 |
| 1991-03-09 | Way Too Cool 50K Endurance RunUnited States | 50km | 4:58:33 h | 10.049 | 42/216 |
| 1991-04-06 | American River 50 Mile Endurance RunUnited States | 50mi | 7:50:32 h | 10.261 | 60/321 |
| 1991-07-27 | Vermont 100 Mile Endurance RaceUnited States | 100mi | 21:39:00 h | 7.433 | 47/127 |
| 1992-03-14 | Way Too Cool 50K Endurance RunUnited States | 50km | 4:48:58 h | 10.382 | 49/283 |
| 1992-04-04 | American River 50 Mile Endurance RunUnited States | 50mi | 7:45:04 h | 10.381 | 66/386 |
| 1992-05-09 | Quicksilver 50 km Endurance RunUnited States | 50km | 4:53:14 h | 10.231 | 10/75 |
| 1992-05-17 | Ohlone 50K Wilderness RunUnited States | 50km | 5:56:28 h | 8.416 | 23/88 |
| 1992-09-26 | 100mi | 27:44:40 h | 5.801 | 26/73 | |
| 1992-10-24 | Sierra Nevada Endurance 52 Mile RunUnited States | 52.4mi | 9:29:08 h | 8.890 | 19/96 |
| 1992-11-28 | Quad Dipsea Trail RunUnited States | 28mi | 5:14:15 h | 8.604 | 25/113 |
| 1993-03-13 | Way Too Cool 50K Endurance RunUnited States | 50km | 5:25:40 h | 9.212 | 106/305 |
| 1993-04-03 | American River 50 Mile Endurance RunUnited States | 50mi | 8:24:16 h | 9.574 | 108/408 |
| 1993-05-08 | Quicksilver 50 Mile Endurance RunUnited States | 50mi | 9:48:12 h | 8.208 | 35/72 |
| 1993-10-23 | Sierra Nevada Endurance 52 Mile RunUnited States | 52.4mi | 10:38:22 h | 7.926 | 35/82 |
| 1993-11-14 | Gibson Ranch Last Chance 50 MileUnited States | 50mi | 8:06:00 h | 9.934 | 17/56 |
| 1994-03-12 | Way Too Cool 50K Endurance RunUnited States | 50km | 5:03:49 h | 9.874 | 86/323 |
| 1994-04-02 | American River 50 Mile Endurance RunUnited States | 50mi | 8:27:52 h | 9.506 | 122/468 |
| 1994-05-07 | Quicksilver 50 Mile Endurance RunUnited States | 50mi | 9:51:39 h | 8.160 | 28/50 |
| 1994-06-23 | Western States 100 Mile Endurance RunUnited States | 100mi | 24:55:41 h | 6.456 | 92/249 |
| 1995-03-11 | Way Too Cool 50K Endurance RunUnited States | 50km | 5:04:30 h | 9.852 | 63/287 |
| 1995-04-01 | American River 50 Mile Endurance RunUnited States | 50mi | 8:11:07 h | 9.831 | 88/470 |
| 1995-06-24 | Western States 100 Mile Endurance RunUnited States | 100mi | 31:05:08 h | 5.177 | 175/198 |
| 1995-10-28 | Sierra Nevada Endurance 52 Mile RunUnited States | 52.4mi | 10:20:42 h | 8.152 | 20/82 |
| 1996-03-09 | Way Too Cool 50K Endurance RunUnited States | 50km | 5:09:55 h | 9.680 | 89/360 |
| 1996-04-06 | American River 50 Mile Endurance RunUnited States | 50mi | 8:20:57 h | 9.638 | 82/486 |
| 1996-05-11 | Quicksilver 50 km Endurance RunUnited States | 50km | 4:59:57 h | 10.002 | 16/89 |
| 1996-05-24 | Ohlone 50K Wilderness RunUnited States | 50km | 5:33:22 h | 8.999 | 22/74 |
| 1996-08-24 | 100mi | 26:54:34 h | 5.981 | 56/157 | |
| 1996-10-12 | 50mi | 9:13:31 h | 8.722 | 31/87 | |
| 1996-10-26 | 52.4mi | 9:12:34 h | 9.157 | 13/90 | |
| 1996-11-30 | Quad Dipsea Trail RunUnited States | 28mi | 5:36:14 h | 8.041 | 55/197 |
| 1997-03-15 | Way Too Cool 50K Endurance RunUnited States | 50km | 4:53:27 h | 10.223 | 72/431 |
| 1997-04-05 | American River 50 Mile Endurance RunUnited States | 50mi | 8:09:14 h | 9.869 | 82/496 |
| 1997-09-05 | 100mi | 29:07:00 h | 5.527 | 49/118 | |
| 1997-10-25 | 52.4mi | 9:11:32 h | 9.174 | 22/124 | |
| 1997-11-29 | Quad Dipsea Trail RunUnited States | 28mi | 5:29:10 h | 8.214 | 43/196 |
| 1998-04-04 | American River 50 Mile Endurance RunUnited States | 50mi | 7:48:10 h | 10.313 | 59/500 |
| 1998-05-02 | 100km | 11:11:17 h | 8.938 | 18/105 | |
| 1998-05-09 | Quicksilver 50 Mile Endurance RunUnited States | 50mi | 8:39:39 h | 9.291 | 11/52 |
| 1998-06-27 | Western States 100 Mile Endurance RunUnited States | 100mi | 25:30:45 h | 6.308 | 72/258 |
| 1998-08-01 | Skyline 50k Endurance RunUnited States | 50km | 4:49:08 h | 10.376 | 23/237 |
| 1998-10-10 | 50mi | 8:24:59 h | 9.561 | 12/88 | |
| 1998-10-24 | Sierra Nevada Endurance 52 Mile RunUnited States | 52.4mi | 8:51:57 h | 9.512 | 11/98 |
| 1998-11-28 | Quad Dipsea Trail RunUnited States | 28mi | 5:14:22 h | 8.600 | 28/194 |
| 1999-03-13 | Way Too Cool 50K Endurance RunUnited States | 50km | 4:52:27 h | 10.258 | 68/482 |
| 1999-04-10 | American River 50 Mile Endurance RunUnited States | 50mi | 7:53:59 h | 10.186 | 57/549 |
| 1999-05-01 | 100km | 10:53:24 h | 9.183 | 21/125 | |
| 1999-05-08 | Quicksilver 50 Mile Endurance RunUnited States | 50mi | 8:55:45 h | 9.012 | 9/49 |
| 1999-10-23 | 52.4mi | 9:20:52 h | 9.021 | 15/101 | |
| 2000-06-24 | Western States 100 Mile Endurance RunUnited States | 100mi | 28:03:34 h | 5.735 | 134/222 |
| 2000-08-26 | Tamalpa Headlands 50KUnited States | 31.5mi | 5:12:10 h | 9.744 | 15/120 |
| 2001-03-03 | Old Pueblo 50 Mile Endurance RunUnited States | 50mi | 9:40:55 h | 8.311 | 5/37 |
| 2001-05-05 | 100km | 11:33:37 h | 8.650 | 37/175 | |
| 2002-03-02 | Old Pueblo 50 Mile Endurance RunUnited States | 50mi | 10:09:40 h | 7.919 | 18/52 |
| 2002-07-20 | 50mi | 11:19:42 h | 7.103 | 24/57 | |
| 2002-10-12 | 100mi | 21:15:49 h | 7.569 | 12/34 | |
| 2003-03-01 | Old Pueblo 50 Mile Endurance RunUnited States | 50mi | 9:53:17 h | 8.138 | 16/68 |
| 2003-11-08 | 100mi | 23:18:42 h | 6.904 | 13/81 | |
| 2004-03-06 | Old Pueblo 50 Mile Endurance RunUnited States | 50mi | 10:52:36 h | 7.398 | 23/78 |
| 2004-04-03 | American River 50 Mile Endurance RunUnited States | 50mi | 9:13:34 h | 8.722 | 106/461 |
| 2004-05-01 | 100km | 12:48:12 h | 7.810 | 87/205 | |
| 2004-10-30 | 100mi | 22:16:19 h | 7.226 | 11/71 | |
| 2005-07-16 | 50km | 6:30:26 h | 7.684 | 11/26 | |
| 2005-08-07 | Skyline 50k Endurance RunUnited States | 50km | 6:09:40 h | 8.115 | 66/147 |
| 2005-08-27 | Tamalpa Headlands 50KUnited States | 31.5mi | 6:14:34 h | 8.120 | 87/168 |
| 2005-09-24 | 100mi | 23:33:41 h | 6.830 | 13/39 | |
| 2005-12-03 | 50km | 6:10:25 h | 8.099 | 24/30 | |
| 2006-02-04 | 50km | 6:08:00 h | 8.152 | 37/51 | |
| 2006-03-25 | 50km | 6:35:00 h | 7.595 | 23/34 | |
| 2006-04-29 | 50km | 6:04:59 h | 8.220 | 11/23 | |
| 2006-06-10 | 50km | 12:45:00 h | 3.922 | 40/41 | |
| 2006-07-15 | 100mi | 29:33:45 h | 5.444 | 26/53 | |
| 2006-08-26 | Tamalpa Headlands 50KUnited States | 31.5mi | 6:23:06 h | 7.940 | 100/166 |
| 2006-11-25 | Quad Dipsea Trail RunUnited States | 28mi | 6:34:54 h | 6.847 | 130/226 |
| 2007-01-20 | 50km | 6:34:51 h | 7.598 | 17/30 | |
| 2007-03-24 | 50km | 5:56:58 h | 8.404 | 41/71 | |
| 2007-05-05 | Miwok 100k Trail raceUnited States | 100km | 13:27:29 h | 7.430 | 119/200 |
| 2007-06-02 | 50km | 7:50:00 h | 6.383 | 23/40 | |
| 2007-06-30 | 50km | 6:22:27 h | 7.844 | 13/32 | |
| 2007-08-04 | Cool 12 Hour Night RunUnited States | 12h | 57.936 km | 4.828 | 25/35 |
| 2007-09-29 | 50km | 8:22:20 h | 5.972 | 24/32 | |
| 2007-11-24 | 28mi | 6:01:46 h | 7.474 | 86/232 | |
| 2008-03-01 | 50mi | 11:40:14 h | 6.895 | 53/121 | |
| 2008-04-12 | 50mi | 12:32:28 h | 6.416 | 49/75 | |
| 2008-05-10 | 50mi | 10:38:07 h | 7.566 | 52/80 | |
| 2008-05-18 | Ohlone 50K Wilderness RunUnited States | 50km | 7:53:17 h | 6.339 | 65/134 |
| 2008-06-08 | Mount Diablo 50KUnited States | 50km | 8:34:00 h | 5.837 | 51/63 |
| 2008-08-09 | 100mi | 26:55:43 h | 5.976 | 16/34 | |
| 2008-09-27 | 50km | 8:55:44 h | 5.600 | 23/23 | |
| 2008-10-25 | San Francisco One Day, 24hUnited States | 24h | 108.147 km | 4.506 | 41/67 |
| 2009-01-17 | 50km | 6:20:05 h | 7.893 | 26/50 | |
| 2009-02-28 | 50km | 6:36:26 h | 7.567 | 68/95 | |
| 2009-03-21 | 50km | 5:46:03 h | 8.669 | 36/85 | |
| 2009-03-28 | 50mi | 11:43:25 h | 6.864 | 75/112 | |
| 2009-05-02 | 100km | 12:53:57 h | 7.752 | 115/260 | |
| 2009-05-09 | 50km | 5:42:45 h | 8.753 | 21/75 | |
| 2009-05-31 | 50km | 7:20:54 h | 6.804 | 84/155 | |
| 2009-06-06 | 50km | 6:50:00 h | 7.317 | 31/65 | |
| 2009-07-18 | 50km | 6:12:42 h | 8.049 | 18/42 | |
| 2009-09-27 | 50km | 8:50:57 h | 5.650 | 47/47 | |
| 2009-11-14 | Muir Beach Trail RunUnited States | 50km | 6:32:43 h | 7.639 | 24/49 |
| 2009-12-05 | 50km | 5:45:59 h | 8.671 | 48/97 | |
| 2009-12-19 | 50km | 8:48:00 h | 5.682 | 107/107 | |
| 2010-05-01 | 100km | 13:47:18 h | 7.253 | 184/268 | |
| 2010-05-08 | 50km | 5:42:18 h | 8.764 | 29/82 | |
| 2010-06-05 | 50km | 8:13:25 h | 6.080 | 39/59 | |
| 2010-07-03 | 50km | 6:38:12 h | 7.534 | 14/39 | |
| 2010-09-04 | 50km | 5:49:54 h | 8.574 | 19/65 | |
| 2010-09-26 | 50km | 8:54:00 h | 5.618 | 39/39 | |
| 2010-10-09 | 50mi | 10:43:08 h | 7.507 | 136/235 | |
| 2011-05-07 | 100km | 13:09:35 h | 7.599 | 152/287 | |
| 2011-07-16 | 50mi | 10:28:15 h | 7.685 | 31/78 | |
| 2011-10-08 | 50mi | 10:14:47 h | 7.853 | 100/193 | |
| 2011-12-03 | 50km | 5:44:50 h | 8.700 | 28/62 | |
| 2012-03-03 | 50km | 6:30:16 h | 7.687 | 21/31 | |
| 2012-03-24 | 50km | 6:30:03 h | 7.691 | 30/43 | |
| 2012-04-14 | 50mi | 11:34:42 h | 6.950 | 164/227 | |
| 2012-06-23 | 50km | 6:27:50 h | 7.735 | 19/32 | |
| 2012-07-07 | 50km | 6:36:26 h | 7.567 | 11/21 | |
| 2012-08-04 | 50km | 6:28:14 h | 7.727 | 12/28 | |
| 2012-08-25 | 31.5mi | 6:22:39 h | 7.949 | 79/183 | |
| 2012-09-15 | 50mi | 11:14:06 h | 7.162 | 30/49 | |
| 2012-10-27 | 100km | 15:06:01 h | 6.622 | 62/159 | |
| 2012-12-15 | 50km | 6:22:24 h | 7.845 | 44/74 | |
| 2013-05-11 | 50mi | 11:14:39 h | 7.156 | 59/78 | |
| 2013-06-22 | 50mi | 11:31:12 h | 6.985 | 41/59 | |
| 2013-07-14 | 50km | 6:18:00 h | 7.937 | 10/16 | |
| 2013-08-24 | 31.5mi | 6:35:14 h | 7.696 | 104/181 | |
| 2013-09-14 | 50mi | 10:43:31 h | 7.503 | 62/103 | |
| 2013-12-14 | 50km | 5:57:42 h | 8.387 | 33/79 | |
| 2013-12-29 | 50km | 5:35:55 h | 8.931 | 41/93 | |
| 2014-01-18 | 50km | 6:43:00 h | 7.444 | 15/22 | |
| 2014-04-12 | 50mi | 11:16:40 h | 7.135 | 209/301 | |
| 2014-05-10 | 50km | 5:43:35 h | 8.732 | 32/122 | |
| 2014-06-21 | 50km | 6:56:59 h | 7.195 | 22/37 | |
| 2014-08-23 | 31.5mi | 6:37:30 h | 7.652 | 93/187 | |
| 2014-09-13 | 50mi | 10:53:39 h | 7.386 | 18/69 | |
| 2014-10-11 | 50mi | 10:26:57 h | 7.701 | 93/242 | |
| 2015-01-31 | 50km | 6:04:57 h | 8.220 | 25/76 | |
| 2015-02-21 | 50km | 6:25:17 h | 7.786 | 16/31 | |
| 2015-03-14 | 50km | 6:40:19 h | 7.494 | 76/142 | |
| 2015-05-09 | 50km | 6:36:55 h | 7.558 | 60/154 | |
| 2015-10-10 | 50mi | 10:41:22 h | 7.528 | 78/186 | |
| 2015-11-07 | 50km | 5:29:17 h | 9.111 | 13/26 | |
| 2016-02-06 | 50km | 5:52:23 h | 8.513 | 25/78 | |
| 2016-02-20 | 50km | 6:10:00 h | 8.108 | 9/19 | |
| 2016-03-12 | 50km | 6:06:49 h | 8.178 | 92/190 | |
| 2016-04-30 | Sierra Azul Trail ChallengeUnited States | 50km | 6:51:30 h | 7.290 | 1/5 |
| 2016-12-17 | 50km | 6:31:34 h | 7.662 | 66/101 | |
| 2017-02-04 | 50km | 6:14:17 h | 8.015 | 55/105 | |
| 2017-03-11 | 50mi | 11:42:40 h | 6.871 | 63/136 | |
| 2017-04-01 | 50mi | 11:02:19 h | 7.290 | 193/411 | |
| 2017-05-13 | 50km | 6:37:01 h | 7.556 | 43/147 | |
| 2017-06-03 | 50km | 10:06:16 h | 4.948 | 24/25 | |
| 2017-06-25 | 50km | 6:53:05 h | 7.262 | 11/21 | |
| 2017-08-26 | 31.5mi | 7:15:29 h | 6.985 | 70/177 | |
| 2017-09-23 | 50km | 7:25:00 h | 6.742 | 10/18 | |
| 2017-10-07 | 50km | 6:15:54 h | 7.981 | 54/135 | |
| 2017-11-18 | 50km | 6:06:03 h | 8.196 | 18/46 | |
| 2017-12-09 | 50km | 6:09:19 h | 8.123 | 26/51 | |
| 2018-02-24 | 52km | 6:57:35 h | 7.472 | 41/77 | |
| 2018-03-03 | 50km | 6:31:18 h | 7.667 | 7/17 | |
| 2018-04-07 | 50mi | 10:40:26 h | 7.539 | 100/377 | |
| 2018-05-12 | 50km | 7:29:07 h | 6.680 | 82/179 | |
| 2018-06-24 | 50km | 6:49:01 h | 7.335 | 15/27 | |
| 2018-07-28 | 50km | 6:41:02 h | 7.481 | 23/39 | |
| 2018-08-18 | 50km | 6:29:50 h | 7.696 | 12/27 | |
| 2018-12-15 | 50km | 6:28:42 h | 7.718 | 68/105 | |
| 2019-02-02 | 50km | 6:26:14 h | 7.767 | 47/95 | |
| 2019-02-23 | 52km | 7:44:10 h | 6.722 | 35/60 | |
| 2019-03-23 | 50km | 6:57:46 h | 7.181 | 38/54 | |
| 2019-04-20 | 50km | 7:37:22 h | 6.559 | 17/25 | |
| 2019-05-11 | 50km | 7:10:39 h | 6.966 | 45/110 | |
| 2019-06-22 | 50km | 7:16:54 h | 6.867 | 24/45 | |
| 2019-07-20 | 50km | 8:37:52 h | 5.793 | 28/38 | |
| 2019-08-24 | 50km | 6:42:34 h | 7.452 | 29/49 | |
| 2019-10-26 | 50km | 6:39:16 h | 7.514 | 26/57 | |
| 2019-12-14 | 50km | 7:01:46 h | 7.113 | 63/93 | |
| 2020-02-01 | 50km | 6:58:20 h | 7.171 | 55/76 | |
| 2020-03-07 | 50km | 7:16:05 h | 6.879 | 15/19 | |
| 2021-07-24 | 50km | 7:22:13 h | 6.784 | 59/78 | |
| 2021-08-21 | 50km | 7:03:27 h | 7.085 | 52/64 | |
| 2021-09-18 | 50km | 7:54:11 h | 6.327 | 56/64 | |
| 2021-10-23 | 50km | 7:43:12 h | 6.477 | 109/158 | |
| 2021-11-06 | 50km | 8:17:20 h | 6.032 | 12/13 | |
| 2021-12-18 | 50km | 7:11:55 h | 6.946 | 90/99 | |
| 2022-02-05 | 50km | 7:21:32 h | 6.795 | 44/65 | |
| 2022-03-26 | 50km | 7:11:08 h | 6.958 | 17/23 | |
| 2023-07-01 | 50km | 8:20:34 h | 5.993 | 61/67 | |
| 2023-08-19 | Tamalpa Headlands 50KUnited States | 31.5mi | 8:50:07 h | 5.738 | 228/250 |
| 2023-09-30 | Spartan Trail - San Jose Trail ChallengeUnited States | 50km | 8:33:31 h | 5.842 | 28/46 |
| 2024-08-23 | 50km | 6:40:33 h | 7.490 | 8/13 |