EVENT 624 Mens 100m Butterfly - Heats
Not Competing : 1,37
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 2 | Edward MCFARLAND | 12 | Mid Beds | 1:23.55 |
| 4 | 4 | Freddie LAWS | 12 | West Norfolk | 1:22.74 |
| 5 | 3 | Max ASHKEN | 12 | Diss Otters | 1:23.10 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 6 | Jack TURRELL | 12 | Basildon Ph | 1:21.84 |
| 3 | 8 | Nathan WOODROW | 12 | UEA Norwich | 1:20.88 |
| 4 | 10 | Aaron LAMBIE | 12 | Thurrock | 1:20.22 |
| 5 | 9 | Jimmy TAYLOR | 11 | Thurrock | 1:20.75 |
| 6 | 7 | James EDGINGS | 12 | Thurrock | 1:21.57 |
| 7 | 5 | Daniel MURTAGH | 12 | Stevenage | 1:22.67 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 12 | Matthew NEWSON | 12 | Co Peterboro | 1:18.25 |
| 2 | 14 | Nathan COCKCROFT | 12 | Bo Southend | 1:17.91 |
| 3 | 16 | Mide OLAJIDE | 11 | Thurrock | 1:16.81 |
| 4 | 18 | Nicholas BOTHA | 13 | Bishop Stort | 1:15.85 |
| 5 | 17 | Ben HARDY | 12 | Colchester | 1:16.13 |
| 6 | 15 | Ciaran RICHES | 12 | West Suffolk | 1:17.32 |
| 7 | 13 | Alfie WARNOCK | 12 | Putteridge | 1:18.00 |
| 8 | 11 | William TOZER | 12 | West Suffolk | 1:19.39 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 20 | Benjamin HARVEY | 13 | Basildon Ph | 1:14.78 |
| 2 | 22 | Mal STAFF | 13 | UEA Norwich | 1:14.56 |
| 3 | 24 | Ismail RAHIM | 13 | Berkhamsted | 1:12.99 |
| 4 | 26 | Oliver REEK | 13 | UEA Norwich | 1:12.80 |
| 5 | 25 | Timothy HUGHES | 13 | Hatfield | 1:12.89 |
| 6 | 23 | Samuel ROSE | 12 | UEA Norwich | 1:13.20 |
| 7 | 21 | Alessandro RIODA | 11 | Harlow Pen | 1:14.60 |
| 8 | 19 | Matthew ROTHWELL | 13 | Co Peterboro | 1:15.62 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 28 | Ayotobi LAGUDA | 13 | Hatfield | 1:12.70 |
| 2 | 30 | Elliott DAY | 13 | teamipswich | 1:12.54 |
| 3 | 32 | Lewis BAYLEY | 14 | Southend | 1:11.56 |
| 4 | 34 | William STEEL | 14 | Co Peterboro | 1:11.16 |
| 5 | 33 | Callum WOLLASTON | 14 | Cheshunt | 1:11.24 |
| 6 | 31 | Tyler THOMAS | 13 | Chatteris | 1:11.68 |
| 7 | 29 | Henry FERRIES | 12 | Basildon Ph | 1:12.61 |
| 8 | 27 | Michael KLIMASZEWSKI | 11 | Hatfield | 1:12.80 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 39 | Evan THOMAS-MANSFIELD | 14 | West Suffolk | 1:09.95 |
| 2 | 45 | John TELENSKY | 14 | Harpenden | 1:08.24 |
| 3 | 51 | Nicholas PERKINS | 14 | UEA Norwich | 1:06.60 |
| 4 | 57 | Joel CLARKE | 14 | UEA Norwich | 1:04.80 |
| 5 | 54 | Samuel BRYAN | 14 | Basildon Ph | 1:05.20 |
| 6 | 48 | Taylor BOWEN | 14 | West Suffolk | 1:07.77 |
| 7 | 42 | Matteo TONTODONATI | 14 | Hoddesdon | 1:09.70 |
| 8 | 35 | Collins SALIBOKO | 13 | St Felix Sch | 1:10.83 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 40 | Thomas ALLISON | 14 | Newmarket | 1:09.86 |
| 2 | 46 | Mason BRAND | 14 | Berkhamsted | 1:08.10 |
| 3 | 52 | Matthew TITMAN | 14 | Co Cambridge | 1:06.50 |
| 4 | 58 | Charles RAYNER | 14 | Hemel Hemp | 1:03.20 |
| 5 | 55 | Harrison LEES | 14 | Watford SC | 1:05.10 |
| 6 | 49 | Manfred BATTLE | 13 | Stowmarket | 1:07.38 |
| 7 | 43 | Charles WHYTE | 14 | West Suffolk | 1:09.60 |
| 8 | 36 | Joshua SMITH | 14 | DunmowAtlant | 1:10.42 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 41 | Samuel PERKS | 13 | Chelmsford | 1:09.70 |
| 2 | 47 | William PICTON | 14 | Bishop Stort | 1:07.87 |
| 3 | 53 | Jack BOWYER | 13 | West Suffolk | 1:06.10 |
| 4 | 59 | Thomas CLARE | 14 | teamipswich | 1:02.40 |
| 5 | 56 | James MCFARLAND | 14 | Mid Beds | 1:04.90 |
| 6 | 50 | Harvey NORMAN | 14 | Co Peterboro | 1:07.34 |
| 7 | 44 | Mason HUNNISETT | 13 | Basildon Ph | 1:08.61 |
| 8 | 38 | Reece MURDOCH | 14 | UEA Norwich | 1:10.20 |