Cheng, Jack
United StatesManBorn 19712008 – 2026Runner id 66497
Events
107
104 race dates
Best pace
11.585
km/h · 2019
Best finish
1st
of 81 · 2017
Distance raced
9,940
km · splits not double-counted
Pace over time
km/h · higher is faster
Pace over time: 105 races and 2 splits from 2008 to 2026, ranging from 5.22 to 12.65 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
- Split of a race already plotted
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 2008-08-09 | 50km | 6:58:53 h | 7.162 | 36/143 | |
| 2009-03-28 | 50mi | 12:49:02 h | 6.278 | 50/84 | |
| 2009-06-06 | 100mi | 29:34:03 h | 5.443 | 72/82 | |
| 2009-06-14 | Holcomb Valley 33 MileUnited States | 33mi | 7:06:50 h | 7.465 | 48/102 |
| 2009-08-08 | 50mi | 11:13:38 h | 7.167 | 31/72 | |
| 2009-08-22 | Bulldog 50k Ultra RunUnited States | 50km | 5:03:32 h | 9.884 | 20/185 |
| 2009-10-31 | Javelina Jundred 100 km Endurance RunUnited States | 100km | 14:18:44 h | 6.987 | 24/102 |
| 2009-12-06 | 50km | 4:47:57 h | 10.418 | 32/226 | |
| 2010-01-16 | 50mi | 9:18:33 h | 8.644 | 32/158 | |
| 2010-02-20 | 100km | 10:20:57 h | 9.663 | 5/18 | |
| 2010-02-20 | Orange Curtain 100km Ultra Race - 50km SplitUnited StatesSplit of a longer race in this career; not counted again in the distance total*Temple City, CA | 50km | 4:54:36 h | 10.183 | 5/18 |
| 2010-03-06 | San Juan Trail 50 kmUnited States | 50km | 5:57:19 h | 8.396 | 21/92 |
| 2010-03-20 | 50km | 5:29:00 h | 9.119 | 13/115 | |
| 2010-03-27 | 50mi | 10:22:05 h | 7.761 | 22/105 | |
| 2010-04-17 | 50mi | 9:29:24 h | 8.479 | 41/153 | |
| 2010-05-01 | 50km | 5:54:42 h | 8.458 | 12/63 | |
| 2010-05-08 | 50mi | 9:55:26 h | 8.108 | 21/86 | |
| 2010-05-15 | 100km | 14:58:28 h | 6.678 | 17/45 | |
| 2010-06-12 | 100mi | 29:35:20 h | 5.439 | 80/90 | |
| 2010-07-10 | 50km | 6:48:00 h | 7.353 | 15/55 | |
| 2010-08-07 | 50km | 5:54:27 h | 8.464 | 13/93 | |
| 2010-08-21 | Bulldog 50k Ultra RunUnited States | 50km | 6:31:00 h | 7.673 | 98/199 |
| 2010-08-28 | 100mi | 30:38:50 h | 5.251 | 41/66 | |
| 2010-09-25 | 50km | 6:39:16 h | 7.514 | 42/153 | |
| 2010-10-23 | 100mi | 23:51:04 h | 6.747 | 50/137 | |
| 2010-11-27 | Santa Barbara Red Rock 40 MileUnited States | 40mi | 9:42:00 h | 6.636 | 25/78 |
| 2010-12-05 | 50km | 4:39:13 h | 10.744 | 29/263 | |
| 2011-01-15 | 50mi | 9:45:27 h | 8.247 | 60/222 | |
| 2011-03-05 | San Juan Trail 50 kmUnited States | 50km | 5:39:31 h | 8.836 | 10/69 |
| 2011-04-09 | 100mi | 23:26:42 h | 6.864 | 5/18 | |
| 2011-05-07 | 100km | 14:14:23 h | 7.023 | 217/287 | |
| 2011-05-21 | 100km | 14:12:28 h | 7.038 | 22/40 | |
| 2011-06-11 | 100mi | 27:37:11 h | 5.827 | 54/106 | |
| 2011-07-23 | 100mi | 29:47:49 h | 5.401 | 36/71 | |
| 2011-08-13 | Angeles National Forest 50k Trail RaceUnited States | 50km | 6:31:05 h | 7.671 | 24/123 |
| 2011-11-26 | 50mi | 12:57:00 h | 6.214 | 18/63 | |
| 2011-12-04 | 50km | 4:44:48 h | 10.534 | 21/219 | |
| 2012-01-14 | 50mi | 9:13:04 h | 8.730 | 49/276 | |
| 2012-02-24 | 100mi | 26:37:36 h | 6.044 | 50/87 | |
| 2012-04-21 | 100mi | 25:44:08 h | 6.253 | 11/16 | |
| 2012-05-19 | 100km | 16:02:31 h | 6.234 | 30/43 | |
| 2012-06-09 | 100mi | 28:46:35 h | 5.593 | 83/131 | |
| 2012-07-21 | 100mi | 29:41:11 h | 5.421 | 44/75 | |
| 2012-10-20 | 100mi | 23:17:00 h | 6.912 | 9/26 | |
| 2012-11-17 | 100mi | 30:49:11 h | 5.222 | 57/76 | |
| 2013-01-27 | Calico Trail Run 50 kmUnited States | 50km | 5:08:20 h | 9.730 | 12/91 |
| 2013-02-17 | 50km | 5:43:48 h | 8.726 | 28/140 | |
| 2013-03-23 | 50mi | 10:54:06 h | 7.381 | 33/117 | |
| 2013-05-04 | 50km | 5:38:07 h | 8.873 | 3/34 | |
| 2013-05-18 | Bishop High Sierra Ultramarathons 100 kmUnited States | 100km | 13:45:51 h | 7.265 | 25/74 |
Showing 1–50 of 107