| parkrun | 15:35 | Luton Wardown parkrun # 483 | 3.0 | -0.2 | 25 Dec 25 | +1 |
| 8K | 24:37 | USF Invitational | 1.8 | -0.4 | 29 Aug 25 | +2 |
| 8K | 23:36 | UCR XC Invitational | | -0.1 | 27 Sep 25 | +3 |
| 8K | 23:51 | WCC Cross Country Championships | | 0.3 | 1 Nov 25 | +4 |
| 8K | 25:11 | Pre-National Invitational | 1.6 | 0.6 | 17 Oct 25 | +5 |
| 1500 | 3:50.41 | ESAA English Schools Championships | 1.0 | -0.9 | 12 Jul 25 | |
| 3000 | 8:21.68 | Watford Harriers Open Graded Meetings | 0.8 | 0.0 | 6 Aug 25 | |
| 10K | 31:35 | NCAA Division I West Region Cross Country Championships | | 1.8 | 14 Nov 25 | |
| 5K | 14:23 | Cardiff Race For Victory 5K | 0.3 | -0.5 | 4 May 25 | |
| parkrun | 16:00 | Houghton Hall parkrun # 340 | 1.4 | 2.3 | 20 Dec 25 | |
| 800 | 1:57.4 | Southern Athletics League Division 2 North & East | 0.9 | 0.5 | 22 Jun 25 | |
| 8.6K | 27:01 | SEAA Southern Men's 12-Stage Relays | 1.9 | -0.1 | 30 Mar 25 | |
| 1500 | 4:02.9 | Southern Athletics League Division 2 North & East | 1.0 | 0.9 | 22 Jun 25 | |
| 1500 | 4:03.40 | ESAA English Schools Championships | 1.0 | 1.0 | 11 Jul 25 | |
| 1500 | 3:55.81 | Hertfordshire County Schools Championships | 0.3 | 0.6 | 7 Jun 25 | |
| 10K | 32:38 | Chiltern League | 3.5 | -1.2 | 11 Jan 25 | |
| Mile | 4:12.13 | Penn Relays | | 0.5 | 25 Apr 25 | |
| 1500 | 3:52.03 | Watford Harriers Open Graded Meetings | 0.3 | 0.0 | 2 Apr 25 | |
| 5K | 14:28 | Friday Night 5K Under the Lights | 0.1 | -0.6 | 27 Feb 25 | |
| 1500 | 4:04.56 | BMC Gold Standard Races | 0.5 | 1.7 | 14 May 25 | |
| 3000 | 8:20.47 | Cardiff Met Christmas Classic | 0.5 | -0.3 | 15 Dec 24 | |
| 9.5K | 31:21 | Chiltern League | 3.2 | -0.5 | 9 Nov 24 | |
| parkrun | 15:32 | Luton Wardown parkrun # 434 | 1.8 | 0.2 | 25 Dec 24 | |
| 1500 | 4:02.70 | Essex and Eastern Indoor Championships | 0.5 | 1.4 | 2 Mar 25 | |
| parkrun | 16:08 | Houghton Hall parkrun # 291 | 3.0 | 0.4 | 21 Dec 24 | |
| 6K | 19:05 | ESAA English Schools Championships | 0.5 | 2.4 | 15 Mar 25 | |
| parkrun | 15:58 | Houghton Hall parkrun # 293 | 2.4 | 0.6 | 28 Dec 24 | |
| parkrun | 15:50 | Houghton Hall parkrun # 287 | 2.5 | 0.1 | 23 Nov 24 | |
| 1500 | 4:04.94 | England Athletics U15/U17/U20 Indoor Championships | 0.5 | 1.7 | 9 Feb 25 | |
| parkrun | 16:02 | Houghton Hall parkrun # 281 | 2.8 | 0.2 | 12 Oct 24 | |
| 3K | 9:15 | ECCA National Cross Country Relays | 3.3 | 0.6 | 2 Nov 24 | |
| 800 | 1:52.78 | Watford Harriers Open Graded Meetings | 0.4 | -0.8 | 4 Sep 24 | |
| 1500 | 3:52.71 | Watford Harriers Open Graded Meetings | 0.8 | -1.0 | 21 Aug 24 | |
| 9.6K | 34:18 | Chiltern League | 4.2 | 1.5 | 30 Nov 24 | |
| 5K | 14:43 | Mid Cheshire 5K | 0.2 | -0.9 | 30 Aug 24 | |
| 3K | 9:01 | Fairlands Valley Spartans Relays | 2.8 | 0.0 | 18 Jul 24 | |
| 3000 | 8:32.06 | Watford Harriers Open Graded Meetings | 0.8 | 0.0 | 7 Aug 24 | |
| 800 | 1:57.9 | Southern Athletics League - Division 3 North | 0.6 | 0.3 | 17 Aug 24 | |
| 1500 | 3:58.91 | Southern Athletics League - Division 3 North | 1.6 | -0.9 | 18 May 24 | |
| parkrun | 16:12 | Houghton Hall parkrun # 276 | 2.4 | 1.0 | 7 Sep 24 | |
| 1500 | 3:59.19 | ESAA English Schools' Championships | 0.6 | 0.2 | 13 Jul 24 | |
| 1500 | 4:00.32 | ESAA English Schools' Championships | 0.6 | 0.3 | 13 Jul 24 | |
| 1500 | 3:53.93 | Watford Harriers Open Graded Meetings | 0.3 | -0.4 | 29 May 24 | |
| 800 | 1:54.99 | Watford Harriers Open Graded Meetings | 0.0 | -0.6 | 15 May 24 | |
| 1500 | 4:06.5 | Hertfordshire County Schools Championships | 1.0 | 0.8 | 8 Jun 24 | |
| 3000 | 8:44.67 | Watford Harriers Open Graded Meetings | 0.6 | 0.5 | 17 Apr 24 | |
| 1500 | 3:59.17 | Hertfordshire County Championships Day 1 | 0.0 | 0.1 | 6 May 24 | |
| 1500 | 3:58.31 | Watford Harriers Open Graded Meetings | 0.3 | -2.0 | 3 Apr 24 | |
| 5K | 15:24 | Southern U15/U17 5K Championships | 0.8 | -2.7 | 24 Mar 24 | |
| parkrun | 16:38 | Luton Wardown parkrun # 395 | 3.0 | -2.1 | 30 Mar 24 | |
| parkrun | 16:15 | Houghton Hall parkrun # 239 | 3.0 | -3.3 | 23 Dec 23 | |
| parkrun | 16:39 | Houghton Hall parkrun # 248 | 2.3 | -1.4 | 24 Feb 24 | |
| parkrun | 16:25 | Luton Wardown parkrun # 380 | 2.5 | -2.1 | 25 Dec 23 | |
| 5.97K | 21:59 | ESAA English Schools Championships | 4.4 | -0.1 | 16 Mar 24 | |
| parkrun | 17:36 | Houghton Hall parkrun # 237 | 4.9 | -2.2 | 9 Dec 23 | |
| 6K | 19:25 | CAU Inter County Championships (inc British Athletics Cross Challenge) | -0.5 | -0.1 | 9 Mar 24 | |
| 5.5K | 18:00 | Chiltern League | 1.3 | -1.6 | 2 Dec 23 | |
| parkrun | 16:42 | Houghton Hall parkrun # 236 | 1.8 | -1.1 | 25 Nov 23 | |
| parkrun | 16:23 | Great Denham parkrun # 228 | 0.8 | -2.0 | 18 Nov 23 | |
| 6.1K | 19:30 | Chiltern League | -0.2 | -2.4 | 14 Oct 23 | |
| 5.9K | 21:00 | Chiltern League | 3.8 | -2.3 | 11 Nov 23 | |
| 5.8K | 21:01 | Bedfordshire / Buckinghamshire County Championships | 3.4 | 0.3 | 7 Jan 24 | |
| 3K | 10:04 | ECCA National Cross Country Relays | 3.5 | 1.0 | 4 Nov 23 | |
| 1500 | 4:10.35 | Watford Harriers Open Graded Meetings | 0.4 | -0.5 | 23 Aug 23 | |
| 5.74K | 23:26 | Chiltern League | 7.0 | 1.6 | 10 Feb 24 | |
| 3K | 10:25 | South of England AA Relay Championships | 4.4 | 1.5 | 21 Oct 23 | |
| parkrun | 17:01 | Houghton Hall parkrun # 222 | 2.4 | -2.6 | 19 Aug 23 | |
| parkrun | 16:56 | Houghton Hall parkrun # 227 | 1.4 | -1.6 | 23 Sep 23 | |
| 800 | 2:03.32 | Watford Harriers Open Graded Meetings | 0.0 | -0.6 | 9 Aug 23 | |
| parkrun | 17:01 | Houghton Hall parkrun # 223 | 1.8 | -1.8 | 26 Aug 23 | |
| 800 | 2:06.40 | Watford Harriers Open Graded Meetings | 0.3 | 0.7 | 6 Sep 23 | |
| parkrun | 17:15 | Luton Wardown parkrun # 354 | 3.0 | -2.7 | 1 Jul 23 | |
| parkrun | 18:08 | Alderford Lake parkrun # 124 | 3.8 | -1.5 | 12 Aug 23 | |
| 1500 | 4:20.9 | Southern Athletics League Division 3 North | 1.2 | -0.4 | 18 Jun 23 | |
| 800 | 2:05.23 | Watford Harriers Open Graded Meetings | 0.0 | -0.9 | 14 Jun 23 | |
| parkrun | 17:19 | Houghton Hall parkrun # 214 | 1.8 | -1.3 | 24 Jun 23 | |
| 1500 | 4:21.54 | Hertfordshire County Schools | 0.6 | -1.2 | 10 Jun 23 | |
| parkrun | 17:06 | Houghton Hall parkrun # 208 | 1.0 | -2.2 | 13 May 23 | |
| 1500 | 4:28.40 | Hertfordshire & Bedfordshire County Championships | 0.2 | 0.2 | 1 May 23 | |
| parkrun | 17:49 | Houghton Hall parkrun # 200 | 2.4 | -2.1 | 18 Mar 23 | |
| parkrun | 17:38 | Luton Wardown parkrun # 348 | 0.4 | 0.8 | 20 May 23 | |
| parkrun | 17:44 | Houghton Hall parkrun # 203 | 1.6 | -1.5 | 8 Apr 23 | |
| parkrun | 17:40 | Houghton Hall parkrun # 197 | 1.8 | -1.8 | 25 Feb 23 | |
| parkrun | 17:57 | Houghton Hall parkrun # 199 | 1.6 | -1.0 | 11 Mar 23 | |
| parkrun | 17:50 | Houghton Hall parkrun # 193 | 1.4 | -1.0 | 28 Jan 23 | |
| 5K | 17:32 | Southern U15/U17 5K Championships | -0.6 | 0.3 | 2 Apr 23 | |
| parkrun | 19:17 | Houghton Hall parkrun # 211 | 2.0 | 2.7 | 3 Jun 23 | |
| parkrun | 18:09 | Houghton Hall parkrun # 180 | 3.0 | -1.9 | 22 Oct 22 | |
| 6.1K | 21:21 | Chiltern League | -0.8 | 0.0 | 11 Feb 23 | |
| parkrun | 17:40 | Houghton Hall parkrun # 174 | 2.2 | -2.5 | 10 Sep 22 | |
| 800 | 2:10.46 | Watford Open Graded Meeting | 0.4 | -1.5 | 7 Sep 22 | |
| 5.9K | 21:41 | Chiltern League (Inc British Cross Challenge & Home Countries International & Oxford Uni v RAF) | 1.4 | -0.3 | 12 Nov 22 | |
| 1500 | 4:41.1 | Southern Athletics League Division 3 North | 2.0 | -1.3 | 13 Aug 22 | |
| 5.5K | 20:38 | Chiltern League | 2.2 | -0.1 | 3 Dec 22 | |
| 5.6K | 20:48 | Chiltern League | 2.2 | -0.5 | 15 Oct 22 | |
| parkrun | 18:45 | Houghton Hall parkrun # 185 | 2.2 | 0.1 | 26 Nov 22 | |
| parkrun | 18:03 | Houghton Hall parkrun # 167 | 2.6 | -2.1 | 23 Jul 22 | |
| parkrun | 18:19 | Houghton Hall parkrun # 177 | 2.0 | -0.6 | 1 Oct 22 | |
| 1500 | 4:33.83 | Watford Open Graded Meeting | 0.4 | -0.7 | 24 Aug 22 | |
| parkrun | 17:49 | Houghton Hall parkrun # 164 | 2.2 | -2.9 | 2 Jul 22 | |
| parkrun | 18:26 | Houghton Hall parkrun # 178 | 2.0 | -0.3 | 8 Oct 22 | |
| 1500 | 4:36.2 | Southern Athletics League Division 3 North | 1.0 | -2.1 | 16 Jul 22 | |
| parkrun | 18:15 | Houghton Hall parkrun # 172 | 1.6 | -0.7 | 27 Aug 22 | |
| 6.4K | 25:56 | Bedfordshire / Buckinghamshire County Championships | 2.8 | 2.1 | 7 Jan 23 | |
| parkrun | 18:47 | Luton Wardown parkrun # 321 | 0.6 | 1.8 | 19 Nov 22 | |
| parkrun | 18:08 | Houghton Hall parkrun # 162 | 1.4 | -1.5 | 18 Jun 22 | |
| parkrun | 18:55 | Houghton Hall parkrun # 157 | 2.6 | -1.1 | 14 May 22 | |
| parkrun | 18:13 | Houghton Hall parkrun # 153 | 1.6 | -2.1 | 16 Apr 22 | |
| parkrun | 18:27 | Houghton Hall parkrun # 151 | 2.2 | -3.0 | 2 Apr 22 | |
| 1500 | 4:47.7 | Hertfordshire County 1500m, Masters, Disability & Relay Championships | 0.9 | -1.3 | 23 Apr 22 | |
| parkrun | 18:12 | Houghton Hall parkrun # 156 | 0.6 | -0.6 | 7 May 22 | |
| 3000 | 10:46.7 | Southern Athletics League Division 3 North | 0.6 | 1.4 | 12 Jun 22 | |
| parkrun | 19:04 | Houghton Hall parkrun # 149 | 2.2 | -1.7 | 19 Mar 22 | |
| 4.987K | 17:59 | Southern U15/U17 5K Championships | 0.0 | -1.6 | 27 Mar 22 | |
| parkrun | 18:49 | Houghton Hall parkrun # 147 | 1.8 | -2.4 | 5 Mar 22 | |
| parkrun | 21:28 | Houghton Hall parkrun # 188 | 2.0 | 5.9 | 24 Dec 22 | |
| parkrun | 19:29 | Houghton Hall parkrun # 154 | 1.2 | 1.5 | 23 Apr 22 | |
| parkrun | 19:47 | Houghton Hall parkrun # 144 | 2.8 | -1.4 | 12 Feb 22 | |
| parkrun | 19:06 | Houghton Hall parkrun # 135 | 2.2 | -3.2 | 11 Dec 21 | |
| parkrun | 19:33 | Houghton Hall parkrun # 137 | 2.2 | -1.3 | 25 Dec 21 | |
| parkrun | 19:36 | Houghton Hall parkrun # 126 | 3.0 | -4.2 | 9 Oct 21 | |
| parkrun | 20:15 | Houghton Hall parkrun # 143 | 2.2 | 0.2 | 5 Feb 22 | |
| parkrun | 20:17 | Houghton Hall parkrun # 134 | 2.8 | -1.4 | 4 Dec 21 | |
| parkrun | 20:44 | Houghton Hall parkrun # 117 | 4.8 | -3.7 | 31 Jul 21 | |
| parkrun | 20:14 | Houghton Hall parkrun # 123 | 2.5 | -2.4 | 11 Sep 21 | |
| parkrun | 20:12 | Houghton Hall parkrun # 108 | 2.1 | -3.1 | 18 Jan 20 | |
| parkrun | 20:53 | Houghton Hall parkrun # 122 | 2.2 | -0.8 | 4 Sep 21 | |
| parkrun | 22:33 | Dunstable Downs parkrun # 41 | 6.2 | -2.5 | 11 Jan 20 | |
| parkrun | 20:56 | Houghton Hall parkrun # 109 | 2.2 | -0.7 | 25 Jan 20 | |
| parkrun | 22:22 | Houghton Hall parkrun # 130 | 2.6 | 3.0 | 6 Nov 21 | |
| parkrun | 20:40 | Houghton Hall parkrun # 94 | 1.8 | -2.6 | 19 Oct 19 | |
| parkrun | 21:03 | Houghton Hall parkrun # 97 | 2.0 | -1.2 | 9 Nov 19 | |
| parkrun | 21:13 | Houghton Hall parkrun # 92 | 2.0 | -1.7 | 5 Oct 19 | |
| parkrun | 22:29 | Houghton Hall parkrun # 105 | 2.5 | 1.1 | 1 Jan 20 | |
| parkrun | 22:33 | Houghton Hall parkrun # 90 | 1.8 | 1.1 | 21 Sep 19 | |
| parkrun | 22:56 | Dunstable Downs parkrun # 28 | 2.4 | 1.2 | 14 Sep 19 | |
| parkrun | 22:30 | Houghton Hall parkrun # 76 | 2.4 | 0.4 | 15 Jun 19 | |
| parkrun | 23:25 | Dunstable Downs parkrun # 8 | 3.3 | 1.2 | 20 Apr 19 | |
| parkrun | 25:58 | Houghton Hall parkrun # 112 | 1.6 | 9.3 | 22 Feb 20 | |
| parkrun | 21:39 | Houghton Hall parkrun # 35 | 2.6 | 0.0 | 18 Aug 18 | |
| parkrun | 21:05 | Houghton Hall parkrun # 37 | 1.4 | -2.5 | 1 Sep 18 | |
| parkrun | 21:05 | Houghton Hall parkrun # 38 | 1.4 | -1.4 | 8 Sep 18 | |
| parkrun | 21:41 | Houghton Hall parkrun # 43 | 2.0 | -0.8 | 13 Oct 18 | |
| parkrun | 22:57 | Houghton Hall parkrun # 56 | 2.2 | 1.4 | 5 Jan 19 | |
| parkrun | 23:01 | Houghton Hall parkrun # 59 | 1.8 | 2.0 | 26 Jan 19 | |
| parkrun | 25:48 | Dunstable Downs parkrun # 9 | 3.5 | 5.3 | 27 Apr 19 | |
| parkrun | 24:11 | Houghton Hall parkrun # 58 | 1.8 | 4.1 | 19 Jan 19 | |
| parkrun | 24:22 | The Wammy parkrun # 40 | 0.7 | 5.6 | 29 Dec 18 | |