| Age Group | Name | Time | Yr Set |
| 18 under (Youth) | Bill Steele | 1:14:28 | 2010 |
| 19-24 (Open 1) | Tom Fleming | 1:06:06 | 1973 |
| 25-29 (Open 2) | Craig Holm | 1:04:54 | 1982 |
| 30-34 (Submaster 1) | Budd Coates | 1:06:16 | 1991 |
| 35-39 (Submaster 2) | Julian Critchlow | 1:08:08 | 1997 |
| 40-44 (Master 1) | Budd Coates | 1:11:03 | 2002 |
| 45-49 (Master 2) | Tim Harte | 1:15:41 | 2014 |
| 50-54 (Golden Masters 1) | Bob Schwelm | 1:16:38 | 2012 |
| 55-59 (Golden Masters 2) | Bart Holm | 1:23:21 | 1982 |
| 60-64 (Veterans 1) | Jack Start | 1:26:02 | 1982 |
| 65-69 (Veterans 2) | Gene Dykes | 1:29:24 | 2014 |
| 70 over (Golden Veterans) | Vic Zwolak | 1:38:49 | 2011 |
| | | |
| Caesar Rodney Half- Women | | | |
| Age Group | Name | Time | Yr Set |
| 18 under (Youth) | Caroline Subramoney | 1:29:06 | 2013 |
| 19-24 (Open 1) | Meredith Lambert | 1:17:34 | 2007 |
| 25-29 (Open 2) | Heidi Peoples | 1:16:55 | 2010 |
| 30-34 (Submaster 1) | Kare Cossaboon-Holm | 1:19:52 | 1986 |
| 35-39 (Submaster 2) | Kathleen Jobes | 1:17:58 | 2008 |
| 40-44 (Master 1) | Doreen McCoubrie | 1:22:45 | 2006 |
| 45-49 (Master 2) | Doreen McCoubrie | 1:22:34 | 2007 |
| 50-54 (Golden Masters 1) | Doreen McCoubrie | 1:23:47 | 2012 |
| 55-59 (Golden Masters 2) | Joy Hampton | 1:28:04 | 2002 |
| 60-64 (Veterans 1) | Joy Hampton | 1:41:27 | 2009 |
| 65-69 (Veterans 2) | Joy Hampton | 1:48:02 | 2012 |
| 70 over (Golden Veterans) | Becky Yencharis | 2:20:59 | 1991 |
