Marks, Jon
United StatesManBorn 19592012 – 2026Runner id 348470
Events
38
36 race dates
Best pace
9.353
km/h · 2015
Best finish
4th
of 101 · 2023
Distance raced
3,124
km · splits not double-counted
Pace over time
37 of 38 results · km/h
Pace over time: 36 races and 1 split from 2012 to 2026, ranging from 5.24 to 11.89 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
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 |
|---|---|---|---|---|---|
| 2012-09-22 | 50mi | 13:18:00 h | 6.050 | 59/104 | |
| 2013-06-08 | 50mi | 12:54:00 h | 6.238 | 109/132 | |
| 2013-08-24 | 100km | 13:26:27 h | 7.440 | 15/20 | |
| 2013-09-21 | Virgil Crest 50 Mile UltraUnited States | 50mi | 13:02:00 h | 6.174 | 57/134 |
| 2014-05-10 | 12h | 97.719 km | 8.143 | 8/100 | |
| 2014-06-01 | Cayuga Trails 50 Mile RaceUnited States | 50mi | 12:43:00 h | 6.328 | 131/176 |
| 2014-08-09 | 100mi | 26:09:09 h | 6.154 | 19/40 | |
| 2014-09-20 | Virgil Crest 50 Mile UltraUnited States | 50mi | 11:41:00 h | 6.887 | 37/96 |
| 2014-10-11 | 50mi | 8:41:22 h | 9.260 | 26/93 | |
| 2015-08-29 | 50km | 5:20:45 h | 9.353 | 31/121 | |
| 2015-09-19 | 50mi | 12:34:00 h | 6.403 | 25/61 | |
| 2016-06-04 | Cayuga Trails 50 Mile RaceUnited States | 50mi | 12:32:41 h | 6.414 | 122/173 |
| 2016-07-02 | 50km | 6:12:30 h | 8.054 | 26/100 | |
| 2016-08-06 | 50km | 6:00:22 h | 8.325 | 20/66 | |
| 2017-06-03 | 50mi | 13:19:55 h | 6.036 | 129/164 | |
| 2018-07-21 | 50mi | 13:51:46 h | 5.805 | 108/126 | |
| 2021-05-29 | 50mi | 13:49:36 h | 5.820 | 73/87 | |
| 2021-07-10 | 50mi | 10:39:08 h | 7.554 | 8/20 | |
| 2021-09-11 | 50mi | 15:06:00 h | 5.329 | 24/35 | |
| 2021-10-09 | 50km | 5:42:37 h | 8.756 | 13/35 | |
| 2021-11-07 | 50km | 7:38:28 h | 6.544 | 25/37 | |
| 2022-01-29 | 50mi | 13:06:33 h | 6.138 | 7/14 | |
| 2022-03-12 | 50km | 6:22:40 h | 7.840 | 39/77 | |
| 2022-04-23 | 50km | 6:47:24 h | 7.364 | 30/42 | |
| 2022-06-04 | 50mi | 13:26:25 h | 5.987 | 83/116 | |
| 2022-09-10 | 50mi | 14:40:00 h | 5.486 | 16/22 | |
| 2022-11-12 | 100mi | 27:14:49 h | 5.907 | 103/138 | |
| 2023-04-01 | Umstead Endurance Run 100 MilesUnited States | 100mi | 27:15:43 h | 5.903 | 88/124 |
| 2023-06-03 | 50mi | 13:26:23 h | 5.987 | 93/124 | |
| 2023-07-22 | 100mi | 28:14:00 h | 5.700 | 6/8 | |
| 2023-09-09 | 50mi | 15:22:17 h | 5.235 | 11/14 | |
| 2023-10-07 | 50km | 6:03:06 h | 8.262 | 21/42 | |
| 2023-11-04 | The Hamsterwheel 30 Hour RunUnited States | 30h | 167.371 km | 5.579 | 4/101 |
| 2023-11-04 | The Hamsterwheel 30 Hour Run - 100mi SplitUnited StatesSplit of a longer race in this career; not counted again in the distance total | 100mi | 0:00:00 h | — | 4/22 |
| 2024-04-06 | 100mi | 26:24:43 h | 6.093 | 105/159 | |
| 2026-01-17 | 50km | 6:37:45 h | 7.542 | 3/10 | |
| 2026-04-05 | 56km | 6:57:35 h | 8.046 | 10421/10626 | |
| 2026-04-05 | Two Oceans Marathon - 50km SplitSouth AfricaIAU GoldSplit of a longer race in this career; not counted again in the distance total | 56km | 6:08:06 h | 9.128 | 9917/10609 |