Largest margins in List A by Innings, runs & wickets for Glamorgan vs Somerset
By runs
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 249 runs | - | 369 | 23.3 | 40.0 | v Glamorgan | Taunton | 4 Sep 2010 | List A | |
| 170 runs | - | 339 | 36.4 | 50.0 | v Glamorgan | Cardiff | 5 May 2017 | List A | |
| 141 runs | - | 259 | 30.4 | 50.0 | v Glamorgan | Taunton | 30 Apr 1997 | List A | |
| 107 runs | - | 226 | 22.1 | 34.0 | v Glamorgan | Cardiff | 3 Aug 2002 | List A | |
| 95 runs | - | 303 | 40.0 | 47.0 | v Somerset | Taunton | 12 Aug 2014 | List A | |
| 93 runs | - | 238 | 46.2 | 55.0 | v Somerset | Taunton | 18 May 1985 | List A | |
| 83 runs | - | 373 | 46.0 | 50.0 | v Glamorgan | Taunton | 20 May 2018 | List A | |
| 75 runs | - | 259 | 49.5 | 55.0 | v Glamorgan | Taunton | 13 May 1986 | List A | |
| 70 runs | - | 331 | 60.0 | 60.0 | v Glamorgan | Cardiff | 19 Jul 1978 | List A | |
| 38 runs | - | 225 | 37.1 | 39.0 | v Glamorgan | Cardiff | 25 Apr 2010 | List A | |
| 36 runs | - | 187 | 35.0 | 40.0 | v Somerset | Glastonbury | 19 Jul 1970 | List A | |
| 35 runs | - | 258 | 42.0 | 45.0 | v Glamorgan | Taunton | 31 Aug 1999 | List A | |
| 33 runs | - | 313 | 45.2 | 47.0 | v Glamorgan | Taunton | 24 Jul 2016 | List A | |
| 24 runs | - | 311 | 50.0 | 50.0 | v Glamorgan | Taunton | 22 Apr 2007 | List A | |
| 19 runs | - | 222 | 46.5 | 50.0 | v Somerset | Taunton | 4 May 2008 | List A | |
| 15 runs | - | 137 | 47.4 | 55.0 | v Somerset | Pontypridd | 13 May 1972 | List A | |
| 15 runs | - | 187 | 20.0 | 20.0 | v Somerset | Nottingham | 22 Sep 2024 | List A | |
| 13 runs | - | 229 | 44.1 | 45.0 | v Somerset | Cardiff | 6 Sep 1999 | List A | |
| 12 runs | - | 175 | 54.3 | 55.0 | v Glamorgan | Swansea | 25 May 1982 | List A | |
| 10 runs | - | 208 | 62.2 | 65.0 | v Somerset | Cardiff | 22 May 1963 | List A | |
| 10 runs | - | 196 | 19.0 | 19.0 | v Glamorgan | Taunton | 2 May 2011 | List A | |
| 2 runs | - | 262 | 48.1 | 50.0 | v Glamorgan | Cardiff | 21 Apr 2019 | List A | |
| 1 run | - | 181 | 37.0 | 37.0 | v Glamorgan | Taunton | 28 Jul 2021 | List A |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 9 wickets | 175 | 82 | 25.5 | 55.0 | v Glamorgan | Taunton | 26 Apr 1975 | List A | |
| 8 wickets | 40 | 184 | 33.2 | 40.0 | v Glamorgan | Cardiff | 10 May 1998 | List A | |
| 7 wickets | 14 | 123 | 37.4 | 40.0 | v Somerset | Cardiff | 1 Jun 1969 | List A | |
| 7 wickets | 50 | 270 | 41.4 | 50.0 | v Glamorgan | Taunton | 11 Jul 2001 | List A | |
| 6 wickets | 80 | 195 | 41.4 | 55.0 | v Glamorgan | Swansea | 27 Apr 1974 | List A | |
| 6 wickets | 10 | 229 | 53.2 | 55.0 | v Somerset | Taunton | 10 May 1988 | List A | |
| 6 wickets | 17 | 208 | 37.1 | 40.0 | v Glamorgan | Taunton | 4 May 1997 | List A | |
| 6 wickets | 18 | 233 | 47.0 | 50.0 | v Glamorgan | Cardiff | 1 May 2001 | List A | |
| 5 wickets | 28 | 157 | 50.2 | 55.0 | v Glamorgan | Taunton | 5 May 1979 | List A | |
| 4 wickets | 29 | 170 | 50.1 | 55.0 | v Glamorgan | Taunton | 30 May 1981 | List A | |
| 3 wickets | 36 | 179 | 49.0 | 55.0 | v Glamorgan | Swansea | 5 May 1984 | List A | |
| 3 wickets | 18 | 204 | 47.0 | 50.0 | v Glamorgan | Swansea | 4 Jun 2006 | List A | |
| 3 wickets | 13 | 251 | 37.5 | 40.0 | v Glamorgan | Taunton | 28 Jul 2012 | List A | |
| 3 wickets | 10 | 246 | 38.2 | 40.0 | v Glamorgan | Taunton | 2 Jun 2013 | List A | |
| 2 wickets | 17 | 299 | 47.1 | 50.0 | v Somerset | Taunton | 20 Aug 2023 | List A |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 9 wickets | 175 | 82 | 25.5 | 55.0 | v Glamorgan | Taunton | 26 Apr 1975 | List A | |
| 6 wickets | 80 | 195 | 41.4 | 55.0 | v Glamorgan | Swansea | 27 Apr 1974 | List A | |
| 7 wickets | 50 | 270 | 41.4 | 50.0 | v Glamorgan | Taunton | 11 Jul 2001 | List A | |
| 8 wickets | 40 | 184 | 33.2 | 40.0 | v Glamorgan | Cardiff | 10 May 1998 | List A | |
| 3 wickets | 36 | 179 | 49.0 | 55.0 | v Glamorgan | Swansea | 5 May 1984 | List A | |
| 4 wickets | 29 | 170 | 50.1 | 55.0 | v Glamorgan | Taunton | 30 May 1981 | List A | |
| 5 wickets | 28 | 157 | 50.2 | 55.0 | v Glamorgan | Taunton | 5 May 1979 | List A | |
| 6 wickets | 18 | 233 | 47.0 | 50.0 | v Glamorgan | Cardiff | 1 May 2001 | List A | |
| 3 wickets | 18 | 204 | 47.0 | 50.0 | v Glamorgan | Swansea | 4 Jun 2006 | List A | |
| 6 wickets | 17 | 208 | 37.1 | 40.0 | v Glamorgan | Taunton | 4 May 1997 | List A | |
| 2 wickets | 17 | 299 | 47.1 | 50.0 | v Somerset | Taunton | 20 Aug 2023 | List A | |
| 7 wickets | 14 | 123 | 37.4 | 40.0 | v Somerset | Cardiff | 1 Jun 1969 | List A | |
| 3 wickets | 13 | 251 | 37.5 | 40.0 | v Glamorgan | Taunton | 28 Jul 2012 | List A | |
| 6 wickets | 10 | 229 | 53.2 | 55.0 | v Somerset | Taunton | 10 May 1988 | List A | |
| 3 wickets | 10 | 246 | 38.2 | 40.0 | v Glamorgan | Taunton | 2 Jun 2013 | List A | |
| 3 wickets | 9 | 202 | 38.3 | 40.0 | v Somerset | Cardiff | 14 Aug 2011 | List A | |
| 6 wickets | 7 | 158 | 53.5 | 55.0 | v Glamorgan | Yeovil | 19 May 1973 | List A | |
| 1 wicket | 3 | 223 | 39.3 | 40.0 | v Somerset | Cardiff | 12 Aug 2013 | List A | |
| 1 wicket | 1 | 209 | 38.5 | 39.0 | v Somerset | Taunton | 30 Jun 2002 | List A |
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Records includes the following current or recent matches:
Worcestershire vs Somerset at Worcester, One-Day Cup Semi-Final, Aug 31, 2025 [List A]
Gloucestershire vs Somerset at Taunton, One-Day Cup Quarter Final, Aug 28, 2025 [List A]
Leicestershire vs Glamorgan at Cardiff, One-Day Cup Group A, Aug 26, 2025 [List A]