| Date | Rider | Age | Ride Time | MPH | Handicap | Handicap Time ▲ | Course | Miles | Rank Raw | Rank Handicap | Note |
| 2009-06-30 | Mahaffey, Dennis | 64 | 00:16:02.00 | 18.71 | 1.154 | 00:13:54.00 | Jacobs Rd. 5 mile | 5.00 | 1 | 1 | Raw PR |
| 2009-07-28 | Mahaffey, Dennis | 64 | 00:16:06.00 | 18.63 | 1.154 | 00:13:57.00 | Jacobs Rd. 5 mile | 5.00 | 2 | 2 | |
| 2008-08-26 | Mahaffey, Dennis | 63 | 00:16:10.00 | 18.56 | 1.145 | 00:14:07.00 | Jacobs Rd. 5 mile | 5.00 | 3 | 3 | |
| 2009-06-02 | Mahaffey, Dennis | 64 | 00:16:31.00 | 18.16 | 1.154 | 00:14:19.00 | Jacobs Rd. 5 mile | 5.00 | 5 | 4 | |
| 2008-07-01 | Mahaffey, Dennis | 63 | 00:16:31.00 | 18.16 | 1.145 | 00:14:26.00 | Jacobs Rd. 5 mile | 5.00 | 4 | 5 | |
| 2008-09-23 | Mahaffey, Dennis | 63 | 00:16:40.00 | 18.00 | 1.145 | 00:14:33.00 | Jacobs Rd. 5 mile | 5.00 | 6 | 6 | |
| 2008-06-03 | Mahaffey, Dennis | 63 | 00:16:48.00 | 17.86 | 1.145 | 00:14:40.00 | Jacobs Rd. 5 mile | 5.00 | 7 | 7 | |
| 2008-07-29 | Mahaffey, Dennis | 63 | 00:16:52.00 | 17.79 | 1.145 | 00:14:44.00 | Jacobs Rd. 5 mile | 5.00 | 8 | 8 | |
| 2009-04-07 | Mahaffey, Dennis | 64 | 00:17:38.00 | 17.01 | 1.154 | 00:15:17.00 | Jacobs Rd. 5 mile | 5.00 | 10 | 9 | |
| 2008-05-06 | Mahaffey, Dennis | 63 | 00:17:33.00 | 17.09 | 1.145 | 00:15:20.00 | Jacobs Rd. 5 mile | 5.00 | 9 | 10 | |
| 2009-05-05 | Mahaffey, Dennis | 64 | 00:18:34.00 | 16.16 | 1.154 | 00:16:05.00 | Jacobs Rd. 5 mile | 5.00 | 11 | 11 | |
| 2008-04-01 | Mahaffey, Dennis | 63 | 00:18:37.00 | 16.11 | 1.145 | 00:16:16.00 | Jacobs Rd. 5 mile | 5.00 | 12 | 12 | |
| 2008-04-08 | Mahaffey, Dennis | 63 | 00:18:55.00 | 15.86 | 1.145 | 00:16:31.00 | Jacobs Rd. 5 mile | 5.00 | 13 | 13 | |
| 2009-07-21 | Mahaffey, Dennis | 64 | 00:19:47.00 | 12.37 | 1.154 | 00:17:09.00 | Bofer Cyn. Hill Climb | 4.08 | 1 | 1 | Raw PR |
| 2010-04-06 | Mahaffey, Dennis | 65 | 00:20:33.00 | 14.60 | 1.168 | 00:17:36.00 | Jacobs Rd. 5 mile | 5.00 | 14 | 14 | |
| 2009-06-23 | Mahaffey, Dennis | 64 | 00:20:37.00 | 11.87 | 1.154 | 00:17:52.00 | Bofer Cyn. Hill Climb | 4.08 | 2 | 2 | |
| 2008-05-27 | Mahaffey, Dennis | 63 | 00:21:22.00 | 11.46 | 1.145 | 00:18:40.00 | Bofer Cyn. Hill Climb | 4.08 | 3 | 3 | |
| 2009-03-31 | Mahaffey, Dennis | 64 | 00:21:54.00 | 13.70 | 1.154 | 00:18:59.00 | Jacobs Rd. 5 mile | 5.00 | 15 | 15 | |
| 2010-03-30 | Mahaffey, Dennis | 65 | 00:22:22.00 | 13.41 | 1.168 | 00:19:09.00 | Jacobs Rd. 5 mile | 5.00 | 16 | 16 | |
| 2009-04-28 | Mahaffey, Dennis | 64 | 00:22:38.00 | 10.82 | 1.154 | 00:19:37.00 | Bofer Cyn. Hill Climb | 4.08 | 4 | 4 | |
| 2008-06-24 | Mahaffey, Dennis | 63 | 00:23:03.00 | 10.62 | 1.145 | 00:20:08.00 | Bofer Cyn. Hill Climb | 4.08 | 5 | 5 | |
| 2008-09-09 | Mahaffey, Dennis | 63 | 00:24:35.00 | 9.96 | 1.145 | 00:21:28.00 | Bofer Cyn. Hill Climb | 4.08 | 6 | 6 | |
| 2008-08-19 | Mahaffey, Dennis | 63 | 00:25:46.00 | 9.50 | 1.145 | 00:22:30.00 | Bofer Cyn. Hill Climb | 4.08 | 7 | 7 | |
| 2009-05-26 | Mahaffey, Dennis | 64 | 00:29:27.00 | 8.31 | 1.154 | 00:25:31.00 | Bofer Cyn. Hill Climb | 4.08 | 8 | 8 | |
| 2008-04-29 | Mahaffey, Dennis | 63 | 00:30:24.00 | 8.05 | 1.145 | 00:26:33.00 | Bofer Cyn. Hill Climb | 4.08 | 9 | 9 | |
| 2008-07-22 | Mahaffey, Dennis | 63 | 00:31:51.00 | 7.69 | 1.145 | 00:27:49.00 | Bofer Cyn. Hill Climb | 4.08 | 10 | 10 | |
| 2009-07-07 | Mahaffey, Dennis | 64 | 00:33:55.00 | 17.69 | 1.154 | 00:29:23.00 | Jacobs 10 mile | 10.00 | 1 | 1 | Raw PR |
| 2008-06-10 | Mahaffey, Dennis | 63 | 00:34:57.00 | 17.17 | 1.145 | 00:30:31.00 | Jacobs 10 mile | 10.00 | 2 | 2 | |
| 2008-07-08 | Mahaffey, Dennis | 63 | 00:35:10.00 | 17.06 | 1.145 | 00:30:43.00 | Jacobs 10 mile | 10.00 | 3 | 3 | |
| 2008-09-16 | Mahaffey, Dennis | 63 | 00:35:42.00 | 16.81 | 1.145 | 00:31:11.00 | Jacobs 10 mile | 10.00 | 4 | 4 | |
| 2008-08-05 | Mahaffey, Dennis | 63 | 00:37:36.00 | 15.96 | 1.145 | 00:32:50.00 | Jacobs 10 mile | 10.00 | 5 | 5 | |
| 2009-04-14 | Mahaffey, Dennis | 64 | 00:38:05.00 | 15.75 | 1.154 | 00:33:00.00 | Jacobs 10 mile | 10.00 | 6 | 6 | |
| 2008-05-13 | Mahaffey, Dennis | 63 | 00:38:23.00 | 15.63 | 1.145 | 00:33:31.00 | Jacobs 10 mile | 10.00 | 7 | 7 | |
| 2009-05-12 | Mahaffey, Dennis | 64 | 00:40:01.00 | 14.99 | 1.154 | 00:34:41.00 | Jacobs 10 mile | 10.00 | 8 | 8 | |
| 2008-04-15 | Mahaffey, Dennis | 63 | 00:43:50.00 | 13.69 | 1.145 | 00:38:17.00 | Jacobs 10 mile | 10.00 | 9 | 9 | |
| 2010-04-13 | Mahaffey, Dennis | 65 | 00:45:06.00 | 13.30 | 1.168 | 00:38:37.00 | Jacobs 10 mile | 10.00 | 10 | 10 | |
| 2008-08-12 | Mahaffey, Dennis | 63 | 01:25:45.00 | 17.39 | 1.145 | 01:14:53.00 | Badger Rd. 40 K | 24.85 | 1 | 1 | Raw PR |
| 2009-07-14 | Mahaffey, Dennis | 64 | 01:27:10.00 | 17.11 | 1.154 | 01:15:32.00 | Badger Rd. 40 K | 24.85 | 2 | 2 | |
| 2008-07-15 | Mahaffey, Dennis | 63 | 01:27:45.00 | 16.99 | 1.145 | 01:16:38.00 | Badger Rd. 40 K | 24.85 | 3 | 3 | |
| 2009-04-21 | Mahaffey, Dennis | 64 | 01:29:50.00 | 16.60 | 1.154 | 01:17:51.00 | Badger Rd. 40 K | 24.85 | 4 | 4 | |
| 2009-06-16 | Mahaffey, Dennis | 64 | 01:30:14.00 | 16.52 | 1.154 | 01:18:12.00 | Badger Rd. 40 K | 24.85 | 5 | 5 | |
| 2008-06-17 | Mahaffey, Dennis | 63 | 01:31:48.00 | 16.24 | 1.145 | 01:20:10.00 | Badger Rd. 40 K | 24.85 | 6 | 6 | |
| 2009-05-19 | Mahaffey, Dennis | 64 | 01:36:18.00 | 15.48 | 1.154 | 01:23:27.00 | Badger Rd. 40 K | 24.85 | 7 | 7 | |
| 2008-04-22 | Mahaffey, Dennis | 63 | 01:36:56.00 | 15.38 | 1.145 | 01:24:39.00 | Badger Rd. 40 K | 24.85 | 8 | 8 | |
| 2008-05-20 | Mahaffey, Dennis | 63 | 01:41:04.00 | 14.75 | 1.145 | 01:28:16.00 | Badger Rd. 40 K | 24.85 | 9 | 9 | |
| 2015-03-31 | Mahaffey, Dennis | 70 | Jacobs Rd. 5 mile | 5.00 | 0 | 0 | Free #1 | ||||
| 2015-04-07 | Mahaffey, Dennis | 70 | Jacobs Rd. 5 mile | 5.00 | 0 | 0 | Free #2 |