Women’s Records
5K Race | ||||
| # | Runner | Time | Location | Year |
| 1 | Zoe Dobbs | 19:51 | Cardiff 5k | 2017 |
| 2 | Lisa Cleary | 20:29 | SSAFA 5k Cardiff | 2013 |
| 3 | Cathrine Barker | 20:48 | SSAFA 5k Cardiff | 2017 |
| 4 | Cath Tailby | 21:04 | SSAFA 5k Cardiff | 2015 |
| 5 | Ruth Cann | 21:09 | Cardiff 5k | 2017 |
parkrun | ||||
| # | Runner | Time | Race/Location | Year |
| 1 | Zoe Dobbs | 19:19 | Grangemoor parkrun #83 | 2017 |
| 2 | Rachel Eales | 19:43 | Grangemoor parkrun #82 | 2017 |
| 3 | Lisa Cleary | 20:49 | Cardiff parkrun #240 | 2012 |
| 4 | Catherine Barker | 20:54 | Grangemoor parkrun #28 | 2016 |
| 5 | Debbie Evans | 20:56 | Cardiff parkrun #414 | 2015 |
5 Mile | ||||
| # | Runner | Time | Location | Year |
| 1 | Clare Knox | 31:08 | Sri Chinmoy 5 Mile Race, London | 1992 |
| 2 | Lisa Cleary | 33:41 | Cardiff Bay 5 | 2013 |
| 3 | Debbie Evans | 34:34 | Great Welsh Run | 2005 |
| 4 | Joanna Laity | 34:47 | Great Welsh Run | 2003 |
| 5 | Cath Tailby | 35:01 | Old Father Time 5 Mile | 2014 |
10k | ||||
| # | Runner | Time | Location | Year |
| 1 | Nicky Evans | 42:04 | Atlantic College 10k | 2009 |
| 2 | Debbie Evans | 42:08 | Swansea 10k | 2013 |
| 3 | Lisa Cleary | 42:50 | Swansea 10k | 2013 |
| 4 | Catherine Barker | 43:12 | Cardiff Bay 10k | 2017 |
| 5 | Ruth Cann | 44:06 | Cardiff 10k | 2017 |
Half Marathon | ||||
| # | Runner | Time | Location | Year |
| 1 | Clare Knox | 1:25:04 | Cardiff Half Marathon | 1993 |
| 2 | Rachel Eales | 1:31:49 | Cardiff Half Marathon | 2017 |
| 3 | Debbie Evans | 1:32:33 | Cardiff Half Marathon | 2013 |
| 4 | Nicky Evans | 1:33:47 | Cardiff Half Marathon | 2007 |
| 5 | Lisa Cleary | 1:34:30 | Cardiff Half Marathon | 2012 |
Marathon | ||||
| # | Runner | Time | Location | Year |
| 1 | Andrea Hurman | 3:30:33 | Berlin Marathon | 2015 |
| 2 | Lisa Cleary | 3:33:13 | London Marathon | 2013 |
| 3 | Debbie Evans | 3:33:20 | London Marathon | 2017 |
| 4 | Ruth Cann | 3:33:29 | London Marathon | 2017 |
| 5 | Louise Hunt | 3:41:29 | London Marathon | 2015 |
Men’s Records
5K Race | ||||
| # | Runner | Time | Race/Location | Year |
| 1 | Alex Haines | 15:44 | SSAFA 5k Cardiff | 2001 |
| 2 | Ben Butler-Madden | 16:16 | Summer Sizzler 5k Cardiff | 2017 |
| 3 | Richard Jackson-Hookins | 16:19 | SSAFA 5k Cardiff | 2017 |
| 4 | Darren Hendley | 16:52 | SSAFA 5k Cardiff | 2002 |
| 5 | Gary Brown | 16:58 | SSAFA 5k Cardiff | 2015 |
parkrun | ||||
| # | Runner | Time | Race/Location | Year |
| 1 | Richard Jackson-Hookins | 16:10 | Cardiff parkrun #512 | 2017 |
| 2 | Ben Butler-Madden | 16:12 | Cardiff parkrun #487 | 2017 |
| 3 | Gary Brown | 17:24 | Cardiff parkrun #390 | 2015 |
| 4 | Gavin Evans | 18:11 | Cardiff parkrun #419 | 2016 |
| 4 | Huw Evans | 18:11 | Cardiff parkrun #65 | 2009 |
5 Mile | ||||
| # | Runner | Time | Location | Year |
| 1 | Clem Clement | 27:10 | Old Father Time 5 Mile | 2001 |
| 2 | Andrew Martin | 28:19 | Glyneath 5 Mile | 1994 |
| 3 | John Nethercott | 28:57 | Glyneath 5 Mile | 1994 |
| 4 | Ian Spilsbury | 29:19 | Pegasus 5 Mile | 2001 |
| 5 | Knill Baird-Murray | 29:54 | Pegasus 5 Mile | 2001 |
10k | ||||
| # | Runner | Time | Location | Year |
| 1 | Phil Clarke | 32:37 | Cornelly 10k | 1995 |
| 2 | Alex Haines | 32:41 | Cardiff 10k | 2001 |
| 3 | Richard Jackson-Hookins | 33:16 | Cardiff 10k | 2017 |
| 4 | Ben Butler-Madden | 33:35 | Cardiff Bay 10k | 2017 |
| 5 | Clem Clement | 34:20 | Cardiff 10k | 1994 |
Half Marathon | ||||
| # | Runner | Time | Location | Year |
| 1 | Paul Millar | 1:10:49 | Lake Vyrnwy | 1998 (27/09) |
| 2 | Richard Jackson-Hookins | 1:13:49 | Cardiff Half Marathon | 2017 |
| 3 | Ben Butler-Madden | 1:14:19 | Semi-Marthon D'Orvault | 2017 |
| 4 | Clem Clement | 1:15:26 | Lake Vyrnwy | 2001 |
| 5 | Ron Caulfield | 1:16:31 | Islwyn | 1989 |
Marathon | ||||
| # | Runner | Time | Location | Year |
| 1 | Ben Butler-Madden | 2:38:58 | London Marathon | 2017 |
| 2 | Paul Millar | 2:39:45 | Chicago Marathon | 1998 |
| 3 | Clem Clement | 2:42:39 | London Marathon | 1997 |
| 4 | Richard Jackson-Hookins | 2:43:43 | London Marathon | 2017 |
| 5 | Ron Caulfield | 2:47:58 | London Marathon | 1990 |