100 biggest ever personal bests

Gabriel Farmer - improved by nearly 4 hours in 2016

Improvement	Name	Time	Year	Position
5:28:56	Henry Harvey	17:10:17	1961	1
5:13:24	Michael George	17:12:31	2006	8
5:09:39	Irene Corlett	17:41:40	1980	2
4:53:22	Andrew Gosnell	18:06:44	2004	9
4:28:44	Mark Hempsall	17:58:06	2007	18
4:15:02	Jonathan Wild	17:58:22	2010	15
4:12:46	Gillian Cunningham	19:26:11	2009	37
4:09:23	Graham Young	15:43:12	1971	1
4:05:57	Robert Currey	17:26:31	2015	15
4:00:18	Richard Gerrard	17:12:20	2009	11
3:56:57	Gabriel Farmer	19:00:37	2016	30
3:56:41	Danny Jordan	19:26:40	2007	34
3:52:30	David Doyle	17:59:40	2002	3
3:36:25	Jared Smith	19:54:10	2010	30
3:27:19	Andrew Corris	20:11:55	2012	59
3:26:54	Norman Christian	18:09:40	1987	3
3:22:44	Dave Taylor	18:21:17	2009	22
3:22:23	Lee Johnson	18:26:12	2016	19
3:19:03	Jock Waddington	18:24:56	2006	19
3:19:03	Claire Coleman	19:08:16	2012	36
3:18:10	Raymond Harmer	20:28:34	2013	82
3:12:01	Samuel Fletcher	18:53:39	2011	29
3:10:36	Darren Gorry	19:55:41	2012	50
3:10:36	Jonathan Kneen	19:55:41	2012	50
3:09:22	Bernadette Devlin	20:21:38	2006	57
3:07:04	Les Webb	18:59:00	2009	26
3:06:07	Peter Kaneen	17:22:36	1998	4
3:05:19	Andrew Hewins	19:36:22	2012	41
3:04:18	Jane Birchall	20:20:22	2013	80
3:04:18	Julie Owen	20:20:22	2013	80
3:02:59	Derek John Atkinson	17:55:03	2005	11
3:02:20	Simon Mellor	19:08:16	2012	36
2:59:25	Janet Allen	19:37:17	2006	41
2:58:09	Phil Colebourn	19:43:07	2009	43
2:53:56	Ian Dunbar	20:56:18	2008	54
2:50:30	Ray Pitts	17:04:19	2003	3
2:47:59	Andrew Titley	19:19:29	2003	14
2:46:19	Derek Harrison	15:44:06	1971	2
2:45:21	Sean Hands	17:57:07	2003	8
2:45:08	James Betteridge	20:42:22	2011	66
2:44:38	Simon Starkey	20:16:30	2009	60
2:44:30	Roy Cooil	20:03:06	1982	5
2:44:16	Jane Crowe	19:45:47	2008	41
2:42:32	Pauline Ringham	21:11:20	2009	83
2:41:14	Karen Chiarello	17:01:31	2015	11
2:40:35	Selwyn Callister	19:36:34	2006	40
2:40:22	Dave Meban	18:32:27	2004	11
2:36:18	Jayne Farquhar	20:35:38	2012	74
2:35:15	Eammon Harkin	19:08:18	2004	16
2:34:24	John Barlow	20:12:22	2003	19
2:34:05	Maureen Cox	20:22:39	2005	40
2:33:48	Murray Lambden	16:19:37	1978	1
2:33:09	Darren Mealin	18:44:52	2008	25
2:32:53	Ashley Cowin	20:54:37	2011	72
2:31:48	Lisa Motley	20:13:38	2006	51
2:31:46	Harriet Sheard	20:07:24	2011	58
2:30:52	Michelle Draper	20:48:47	2014	67
2:30:52	Samuel Cannell	20:48:47	2014	67
2:30:49	Susan Moore	17:44:13	2010	12
2:30:30	Lesley Christian	21:12:48	2004	45
2:30:22	Ian Kelly	18:40:21	2011	24
2:29:48	Janette Morgan	18:15:26	2013	26
2:29:37	Peter Wood	19:47:43	2004	23
2:29:32	Robbie Breadner	20:26:45	2009	67
2:29:32	Tony Dugdale	20:26:45	2009	67
2:28:50	Philip Vermeulen	19:02:28	2012	34
2:26:44	Chris Moore	19:30:16	2011	42
2:26:00	Chris Cale	20:19:26	2005	38
2:25:58	Paul Condon	20:35:16	2010	45
2:24:34	Richard Spenceley	17:43:17	2009	15
2:24:21	Richard Leigh	18:12:54	2016	17
2:23:58	Adam Russell	19:31:10	2010	29
2:23:43	Paul Corris	19:40:20	2013	50
2:23:08	Dave Cain	19:25:42	2006	36
2:23:08	Kate Cain	19:25:42	2006	36
2:23:04	Stephen Corkill	17:55:12	2012	19
2:21:32	Michael Shipsides	18:17:46	2006	18
2:21:31	Chris Reynolds	19:20:40	2010	27
2:20:42	Maurice Bellando	16:25:31	2008	3
2:19:52	Tony Okell	18:14:25	2008	14
2:19:18	Amanda Butler	18:56:53	2012	31
2:19:18	Karen Lawrie	18:56:53	2012	31
2:19:07	Steve Gardner	18:58:45	1973	2
2:18:46	Richard Highfield	18:55:27	2015	29
2:18:13	Emma Shilling	20:20:57	2012	65
2:16:51	Alan McCulloch	18:55:57	2007	25
2:16:42	David Comish	18:38:16	2004	14
2:15:26	Jane Foster	18:36:24	2011	22
2:14:55	Andy Green	17:05:58	2009	10
2:14:44	Martin Feely	19:21:32	2010	28
2:13:28	Anne Dooley	20:35:38	2012	74
2:12:59	Mark Honeyman	18:14:56	2009	20
2:11:41	Frank Feeney	21:19:34	2009	87
2:08:41	Irene Taggart	20:16:57	1998	17
2:07:02	Catherine Lowey	18:26:20	2005	14
2:06:42	Nour Addine Ayyoub	20:08:47	2012	58
2:05:51	Andrew Dawson	18:10:14	2014	19
2:05:45	John Bradley	21:32:15	1971	7
2:05:09	Chris Keown	18:50:05	1983	5
2:05:00	Anita Kelly	21:36:10	2009	94