| Date | Rider▲ | Age | Ride Time | MPH | Handicap | Handicap Time | Course | Miles | Rank Raw | Rank Handicap | Note |
| 2005-04-05 | Kostenko, Kern | 43 | 00:13:37.00 | 22.03 | 1.038 | 00:13:07.00 | Locust Grove 5 mile | 5.00 | 6 | 7 | |
| 2005-04-12 | Kostenko, Kern | 43 | 00:15:00.00 | 20.00 | 1.038 | 00:14:27.00 | Locust Grove 5 mile | 5.00 | 11 | 11 | |
| 2005-04-19 | Kostenko, Kern | 43 | 00:27:58.00 | 21.45 | 1.038 | 00:26:57.00 | Jacobs 10 mile | 10.00 | 15 | 17 | |
| 2005-04-26 | Kostenko, Kern | 43 | 01:09:21.00 | 21.50 | 1.038 | 01:06:49.00 | N Stevens (old) 40 K | 24.85 | 5 | 5 | |
| 2005-05-10 | Kostenko, Kern | 43 | 00:13:25.00 | 22.36 | 1.038 | 00:12:56.00 | Locust Grove 5 mile | 5.00 | 4 | 4 | |
| 2005-05-17 | Kostenko, Kern | 43 | 00:27:04.00 | 22.17 | 1.038 | 00:26:05.00 | Jacobs 10 mile | 10.00 | 7 | 11 | |
| 2005-05-31 | Kostenko, Kern | 43 | 00:31:24.00 | 9.55 | 1.038 | 00:30:15.00 | Nine Canyon Hill Climb | 5.00 | 8 | 8 | |
| 2005-06-07 | Kostenko, Kern | 43 | 00:14:28.00 | 20.74 | 1.038 | 00:13:56.00 | Locust Grove 5 mile | 5.00 | 9 | 9 | |
| 2005-06-21 | Kostenko, Kern | 43 | 01:16:48.00 | 19.41 | 1.038 | 01:13:59.00 | N Stevens (old) 40 K | 24.85 | 8 | 8 | |
| 2005-06-28 | Kostenko, Kern | 43 | 00:27:17.00 | 11.00 | 1.038 | 00:26:17.00 | Nine Canyon Hill Climb | 5.00 | 7 | 7 | |
| 2005-07-05 | Kostenko, Kern | 43 | 00:14:42.00 | 20.41 | 1.038 | 00:14:10.00 | Locust Grove 5 mile | 5.00 | 10 | 10 | |
| 2005-07-12 | Kostenko, Kern | 43 | 00:26:52.00 | 22.33 | 1.038 | 00:25:53.00 | Jacobs 10 mile | 10.00 | 6 | 8 | |
| 2005-07-19 | Kostenko, Kern | 43 | 01:11:11.00 | 20.95 | 1.038 | 01:08:35.00 | N Stevens (old) 40 K | 24.85 | 7 | 7 | |
| 2005-08-02 | Kostenko, Kern | 43 | 00:12:58.00 | 23.14 | 1.038 | 00:12:30.00 | Locust Grove 5 mile | 5.00 | 2 | 2 | |
| 2005-08-09 | Kostenko, Kern | 43 | 00:26:30.00 | 22.64 | 1.038 | 00:25:32.00 | Jacobs 10 mile | 10.00 | 2 | 4 | |
| 2005-08-16 | Kostenko, Kern | 43 | 01:09:02.00 | 21.60 | 1.038 | 01:06:30.00 | N Stevens (old) 40 K | 24.85 | 4 | 4 | |
| 2005-08-23 | Kostenko, Kern | 43 | 00:23:48.00 | 12.61 | 1.038 | 00:22:56.00 | Nine Canyon Hill Climb | 5.00 | 4 | 4 | |
| 2005-08-30 | Kostenko, Kern | 43 | 00:13:00.00 | 23.08 | 1.038 | 00:12:31.00 | Locust Grove 5 mile | 5.00 | 3 | 3 | |
| 2005-09-06 | Kostenko, Kern | 43 | 00:26:22.00 | 22.76 | 1.038 | 00:25:24.00 | Jacobs 10 mile | 10.00 | 1 | 3 | Raw PR |
| 2005-09-13 | Kostenko, Kern | 43 | 01:05:25.00 | 22.79 | 1.038 | 01:03:01.00 | N Stevens (old) 40 K | 24.85 | 1 | 1 | Raw PR |
| 2005-09-20 | Kostenko, Kern | 43 | 00:23:46.00 | 12.62 | 1.038 | 00:22:54.00 | Nine Canyon Hill Climb | 5.00 | 3 | 3 | |
| 2005-09-27 | Kostenko, Kern | 43 | 00:12:41.00 | 23.65 | 1.038 | 00:12:13.00 | Locust Grove 5 mile | 5.00 | 1 | 1 | Raw PR |
| 2006-04-04 | Kostenko, Kern | 44 | 00:14:25.00 | 20.81 | 1.042 | 00:13:50.00 | Locust Grove 5 mile | 5.00 | 8 | 8 | |
| 2006-04-11 | Kostenko, Kern | 44 | 00:15:29.00 | 19.38 | 1.042 | 00:14:52.00 | Locust Grove 5 mile | 5.00 | 12 | 12 | |
| 2006-04-25 | Kostenko, Kern | 44 | 01:10:05.00 | 21.27 | 1.042 | 01:07:16.00 | N Stevens (old) 40 K | 24.85 | 6 | 6 | |
| 2006-05-02 | Kostenko, Kern | 44 | 00:24:50.00 | 12.08 | 1.042 | 00:23:50.00 | Nine Canyon Hill Climb | 5.00 | 6 | 6 | |
| 2006-05-09 | Kostenko, Kern | 44 | 00:13:39.00 | 21.98 | 1.042 | 00:13:06.00 | Locust Grove 5 mile | 5.00 | 7 | 6 | |
| 2006-05-16 | Kostenko, Kern | 44 | 00:27:18.00 | 21.98 | 1.042 | 00:26:12.00 | Jacobs 10 mile | 10.00 | 9 | 13 | |
| 2006-05-23 | Kostenko, Kern | 44 | 01:59:59.00 | 12.43 | 1.042 | 01:55:09.00 | N Stevens (old) 40 K | 24.85 | 10 | 10 | |
| 2006-05-30 | Kostenko, Kern | 44 | 00:24:35.00 | 12.20 | 1.042 | 00:23:36.00 | Nine Canyon Hill Climb | 5.00 | 5 | 5 | |
| 2006-06-06 | Kostenko, Kern | 44 | 01:07:58.00 | 21.94 | 1.042 | 01:05:14.00 | N Stevens (old) 40 K | 24.85 | 3 | 3 | |
| 2006-06-27 | Kostenko, Kern | 44 | 00:18:58.00 | 15.82 | 1.042 | 00:18:12.00 | Nine Canyon Hill Climb | 5.00 | 1 | 1 | Raw PR |
| 2006-07-18 | Kostenko, Kern | 44 | 01:28:00.00 | 16.94 | 1.042 | 01:24:27.00 | N Stevens (old) 40 K | 24.85 | 9 | 9 | |
| 2006-08-01 | Kostenko, Kern | 44 | 00:13:29.00 | 22.25 | 1.042 | 00:12:56.00 | Locust Grove 5 mile | 5.00 | 5 | 5 | |
| 2006-08-15 | Kostenko, Kern | 44 | 01:07:02.00 | 22.24 | 1.042 | 01:04:20.00 | N Stevens (old) 40 K | 24.85 | 2 | 2 | |
| 2006-08-22 | Kostenko, Kern | 44 | 00:19:24.00 | 15.46 | 1.042 | 00:18:37.00 | Nine Canyon Hill Climb | 5.00 | 2 | 2 | |
| 2006-09-19 | Kostenko, Kern | 44 | 00:27:06.00 | 22.14 | 1.042 | 00:26:00.00 | Jacobs 10 mile | 10.00 | 8 | 9 | |
| 2008-04-01 | Kostenko, Kern | 46 | 00:14:07.00 | 21.25 | 1.050 | 00:13:27.00 | Jacobs Rd. 5 mile | 5.00 | 10 | 11 | |
| 2008-04-08 | Kostenko, Kern | 46 | 00:14:11.00 | 21.15 | 1.050 | 00:13:30.00 | Jacobs Rd. 5 mile | 5.00 | 11 | 12 | |
| 2008-04-29 | Kostenko, Kern | 46 | 00:20:15.00 | 12.09 | 1.050 | 00:19:17.00 | Bofer Cyn. Hill Climb | 4.08 | 11 | 11 | |
| 2008-05-06 | Kostenko, Kern | 46 | 00:13:36.00 | 22.06 | 1.050 | 00:12:57.00 | Jacobs Rd. 5 mile | 5.00 | 8 | 8 | |
| 2008-05-20 | Kostenko, Kern | 46 | 01:14:40.00 | 19.97 | 1.050 | 01:11:07.00 | Badger Rd. 40 K | 24.85 | 1 | 1 | Raw PR |
| 2008-05-27 | Kostenko, Kern | 46 | 00:16:22.00 | 14.96 | 1.050 | 00:15:35.00 | Bofer Cyn. Hill Climb | 4.08 | 6 | 6 | |
| 2008-06-03 | Kostenko, Kern | 46 | 00:13:19.00 | 22.53 | 1.050 | 00:12:41.00 | Jacobs Rd. 5 mile | 5.00 | 4 | 5 | |
| 2008-06-10 | Kostenko, Kern | 46 | 00:27:37.00 | 21.73 | 1.050 | 00:26:18.00 | Jacobs 10 mile | 10.00 | 12 | 14 | |
| 2008-06-17 | Kostenko, Kern | 46 | 01:24:55.00 | 17.56 | 1.050 | 01:20:52.00 | Badger Rd. 40 K | 24.85 | 2 | 2 | |
| 2008-06-24 | Kostenko, Kern | 46 | 00:17:21.00 | 14.11 | 1.050 | 00:16:31.00 | Bofer Cyn. Hill Climb | 4.08 | 7 | 7 | |
| 2008-07-01 | Kostenko, Kern | 46 | 00:13:10.00 | 22.78 | 1.050 | 00:12:32.00 | Jacobs Rd. 5 mile | 5.00 | 3 | 3 | |
| 2008-07-08 | Kostenko, Kern | 46 | 00:27:30.00 | 21.82 | 1.050 | 00:26:11.00 | Jacobs 10 mile | 10.00 | 11 | 12 | |
| 2008-07-22 | Kostenko, Kern | 46 | 00:22:04.00 | 11.09 | 1.050 | 00:21:01.00 | Bofer Cyn. Hill Climb | 4.08 | 14 | 14 | |
| 2008-08-19 | Kostenko, Kern | 46 | 00:18:22.00 | 13.33 | 1.050 | 00:17:30.00 | Bofer Cyn. Hill Climb | 4.08 | 9 | 9 | |
| 2008-08-26 | Kostenko, Kern | 46 | 00:12:58.00 | 23.14 | 1.050 | 00:12:21.00 | Jacobs Rd. 5 mile | 5.00 | 1 | 2 | Raw PR |
| 2008-09-02 | Kostenko, Kern | 46 | 00:26:51.00 | 22.35 | 1.050 | 00:25:34.00 | Jacobs 10 mile | 10.00 | 5 | 5 | |
| 2008-09-16 | Kostenko, Kern | 46 | 00:26:38.00 | 22.53 | 1.050 | 00:25:22.00 | Jacobs 10 mile | 10.00 | 3 | 2 | |
| 2010-03-30 | Kostenko, Kern | 48 | 00:14:36.00 | 20.55 | 1.059 | 00:13:47.00 | Jacobs Rd. 5 mile | 5.00 | 14 | 14 | |
| 2010-04-13 | Kostenko, Kern | 48 | 00:28:50.00 | 20.81 | 1.059 | 00:27:14.00 | Jacobs 10 mile | 10.00 | 19 | 19 | |
| 2010-04-20 | Kostenko, Kern | 48 | 01:17:00.00 | 19.36 | 1.059 | 01:12:43.00 | N Stevens 40 K | 24.85 | 7 | 8 | |
| 2010-04-27 | Kostenko, Kern | 48 | 00:21:56.00 | 11.16 | 1.059 | 00:20:43.00 | Bofer Cyn. Hill Climb | 4.08 | 13 | 13 | |
| 2010-05-04 | Kostenko, Kern | 48 | 00:15:08.00 | 19.82 | 1.059 | 00:14:17.00 | Jacobs Rd. 5 mile | 5.00 | 15 | 15 | |
| 2010-05-11 | Kostenko, Kern | 48 | 00:29:17.00 | 20.49 | 1.059 | 00:27:39.00 | Jacobs 10 mile | 10.00 | 21 | 21 | |
| 2010-05-18 | Kostenko, Kern | 48 | 01:14:32.00 | 20.00 | 1.059 | 01:10:23.00 | N Stevens 40 K | 24.85 | 4 | 4 | |
| 2010-05-25 | Kostenko, Kern | 48 | 00:15:48.00 | 15.49 | 1.059 | 00:14:55.00 | Bofer Cyn. Hill Climb | 4.08 | 3 | 3 | |
| 2010-06-01 | Kostenko, Kern | 48 | 00:14:21.00 | 20.91 | 1.059 | 00:13:33.00 | Jacobs Rd. 5 mile | 5.00 | 13 | 13 | |
| 2010-06-15 | Kostenko, Kern | 48 | 00:18:10.00 | 13.48 | 1.059 | 00:17:09.00 | Bofer Cyn. Hill Climb | 4.08 | 8 | 8 | |
| 2010-06-22 | Kostenko, Kern | 48 | 01:12:08.00 | 20.67 | 1.059 | 01:08:07.00 | N Stevens 40 K | 24.85 | 3 | 3 | |
| 2010-06-29 | Kostenko, Kern | 48 | 00:13:32.00 | 22.17 | 1.059 | 00:12:47.00 | Jacobs Rd. 5 mile | 5.00 | 6 | 6 | |
| 2010-07-06 | Kostenko, Kern | 48 | 00:28:37.00 | 20.97 | 1.059 | 00:27:01.00 | Jacobs 10 mile | 10.00 | 18 | 18 | |
| 2010-07-13 | Kostenko, Kern | 48 | 01:08:40.00 | 21.71 | 1.059 | 01:04:50.00 | N Stevens 40 K | 24.85 | 2 | 2 | |
| 2010-07-20 | Kostenko, Kern | 48 | 00:16:02.00 | 15.27 | 1.059 | 00:15:08.00 | Bofer Cyn. Hill Climb | 4.08 | 4 | 4 | |
| 2010-07-27 | Kostenko, Kern | 48 | 00:13:34.00 | 22.11 | 1.059 | 00:12:49.00 | Jacobs Rd. 5 mile | 5.00 | 7 | 7 | |
| 2010-08-03 | Kostenko, Kern | 48 | 00:28:19.00 | 21.19 | 1.059 | 00:26:44.00 | Jacobs 10 mile | 10.00 | 16 | 16 | |
| 2010-08-10 | Kostenko, Kern | 48 | 01:07:53.00 | 21.96 | 1.059 | 01:04:06.00 | N Stevens 40 K | 24.85 | 1 | 1 | Raw PR |
| 2010-08-17 | Kostenko, Kern | 48 | 00:18:45.00 | 13.06 | 1.059 | 00:17:42.00 | Bofer Cyn. Hill Climb | 4.08 | 10 | 10 | |
| 2010-08-31 | Kostenko, Kern | 48 | 00:34:45.00 | 17.27 | 1.059 | 00:32:49.00 | Jacobs 10 mile | 10.00 | 22 | 22 | |
| 2010-09-07 | Kostenko, Kern | 48 | 00:15:30.00 | 15.79 | 1.059 | 00:14:38.00 | Bofer Cyn. Hill Climb | 4.08 | 1 | 1 | Raw PR |
| 2010-09-14 | Kostenko, Kern | 48 | 00:27:18.00 | 21.98 | 1.059 | 00:25:47.00 | Jacobs 10 mile | 10.00 | 10 | 6 | |
| 2010-09-21 | Kostenko, Kern | 48 | 00:13:20.00 | 22.50 | 1.059 | 00:12:35.00 | Jacobs Rd. 5 mile | 5.00 | 5 | 4 | |
| 2011-04-05 | Kostenko, Kern | 49 | 00:16:50.00 | 17.82 | 1.063 | 00:15:50.00 | Jacobs Rd. 5 mile | 5.00 | 16 | 16 | |
| 2011-06-14 | Kostenko, Kern | 49 | 01:21:08.00 | 18.38 | 1.063 | 01:16:19.00 | N Stevens 40 K | 24.85 | 9 | 10 | |
| 2011-06-21 | Kostenko, Kern | 49 | 00:20:55.00 | 11.70 | 1.063 | 00:19:41.00 | Bofer Cyn. Hill Climb | 4.08 | 12 | 12 | |
| 2011-07-12 | Kostenko, Kern | 49 | 01:15:47.00 | 19.67 | 1.063 | 01:11:18.00 | N Stevens 40 K | 24.85 | 5 | 5 | |
| 2011-08-02 | Kostenko, Kern | 49 | 00:29:08.00 | 20.59 | 1.063 | 00:27:24.00 | Jacobs 10 mile | 10.00 | 20 | 20 | |
| 2011-08-09 | Kostenko, Kern | 49 | 01:15:58.00 | 19.63 | 1.063 | 01:11:28.00 | N Stevens 40 K | 24.85 | 6 | 6 | |
| 2011-08-16 | Kostenko, Kern | 49 | 00:16:18.00 | 15.02 | 1.063 | 00:15:20.00 | Bofer Cyn. Hill Climb | 4.08 | 5 | 5 | |
| 2011-08-23 | Kostenko, Kern | 49 | 00:13:02.00 | 23.02 | 1.063 | 00:12:16.00 | Jacobs Rd. 5 mile | 5.00 | 2 | 1 | Handicap PR |
| 2011-08-30 | Kostenko, Kern | 49 | 00:27:43.00 | 21.65 | 1.063 | 00:26:04.00 | Jacobs 10 mile | 10.00 | 14 | 10 | |
| 2011-09-06 | Kostenko, Kern | 49 | 00:15:33.00 | 15.74 | 1.063 | 00:14:38.00 | Bofer Cyn. Hill Climb | 4.08 | 2 | 2 | |
| 2011-09-13 | Kostenko, Kern | 49 | 00:26:45.00 | 22.43 | 1.063 | 00:25:10.00 | Jacobs 10 mile | 10.00 | 4 | 1 | Handicap PR |
| 2013-03-26 | Kostenko, Kern | 51 | 00:13:54.00 | 21.58 | 1.071 | 00:12:59.00 | Jacobs Rd. 5 mile | 5.00 | 9 | 9 | |
| 2013-04-02 | Kostenko, Kern | 51 | 00:14:11.00 | 21.15 | 1.071 | 00:13:15.00 | Jacobs Rd. 5 mile | 5.00 | 12 | 10 | |
| 2013-04-16 | Kostenko, Kern | 51 | 01:17:28.00 | 19.25 | 1.071 | 01:12:20.00 | N Stevens 40 K | 24.85 | 8 | 7 | |
| 2013-04-23 | Kostenko, Kern | 51 | 00:16:09.00 | 16.01 | 1.071 | 00:15:05.00 | Locust Grove Hill Climb | 4.31 | 2 | 2 | |
| 2013-05-07 | Kostenko, Kern | 51 | 00:28:26.00 | 21.10 | 1.071 | 00:26:33.00 | Jacobs 10 mile | 10.00 | 17 | 15 | |
| 2013-05-21 | Kostenko, Kern | 51 | 00:16:01.00 | 16.15 | 1.071 | 00:14:57.00 | Locust Grove Hill Climb | 4.31 | 1 | 1 | Raw PR |
| 2013-06-04 | Kostenko, Kern | 51 | 00:27:38.00 | 21.71 | 1.071 | 00:25:48.00 | Jacobs 10 mile | 10.00 | 13 | 7 | |
| 2013-07-16 | Kostenko, Kern | 51 | 00:16:57.00 | 15.26 | 1.071 | 00:15:50.00 | Locust Grove Hill Climb | 4.31 | 3 | 3 | |
| 2013-08-06 | Kostenko, Kern | 51 | 01:21:20.00 | 18.33 | 1.071 | 01:15:56.00 | N Stevens 40 K | 24.85 | 10 | 9 | |
| 2015-03-31 | Kostenko, Kern | 53 | Jacobs Rd. 5 mile | 5.00 | 0 | 0 | Free #1 | ||||
| 2015-04-07 | Kostenko, Kern | 53 | Jacobs Rd. 5 mile | 5.00 | 0 | 0 | Free #2 |