EVENT 302 Boy 07 Yrs/Over 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | MATAS RABASAUSKAS | 11 | Grantham | |
| 2 | 2 | SETH NEWTON | 10 | Grantham | |
| 3 | 3 | THEO BACON | 11 | Grantham | |
| 4 | 4 | CONNOR SMITH | 11 | Grantham | |
| 5 | 5 | THOMAS BURDOCK | 10 | Deepings | 1:32.12 |
| 6 | 6 | KAI WATSON | 9 | Deepings | 1:12.20 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | MATT HALL | 10 | Deepings | 1:04.78 |
| 2 | 8 | VINCENT CLARE | 12 | Deepings | 1:03.43 |
| 3 | 9 | OLIVER CLARKE | 9 | Deepings | 1:00.86 |
| 4 | 10 | LUKE DAYBELL | 12 | Grantham | 57.35 |
| 5 | 11 | FABIAN KOLASA | 10 | Grantham | 57.09 |
| 6 | 12 | LUCA HALLAM | 9 | Grantham | 53.05 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | JAMES TOWNSIN | 12 | Deepings | 52.66 |
| 2 | 14 | JOEL SADLER | 10 | Grantham | 51.54 |
| 3 | 15 | ASHTON HUNTER | 9 | Deepings | 50.62 |
| 4 | 16 | RHYS TERRY | 13 | Grantham | 48.48 |
| 5 | 17 | ANT HALL | 12 | Deepings | 47.70 |
| 6 | 18 | JOE BLACK | 11 | Deepings | 47.39 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | JAMES CASH | 11 | Deepings | 44.96 |
| 2 | 20 | RIDAS RABASAUSKAS | 13 | Grantham | 44.94 |
| 3 | 21 | OSCAR DURANT | 10 | Grantham | 44.40 |
| 4 | 22 | WILLIAM BURDOCK | 12 | Deepings | 44.31 |
| 5 | 23 | OLIVER SHEPHERD | 12 | Deepings | 43.36 |
| 6 | 24 | CORMAC STANLEY | 16 | Grantham | 43.04 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | ADRIAN ELERTS | 11 | Grantham | 41.15 |
| 2 | 26 | JACK REYNOLDS | 11 | Grantham | 40.16 |
| 3 | 27 | NEIL SHEPHERD | 45 | Deepings | 38.00 |
| 4 | 28 | ZACH HOPKINSON | 12 | Grantham | 36.97 |
| 5 | 29 | DANIEL DEGNAN | 13 | Grantham | 36.50 |
| 6 | 30 | JACK CRADOCK | 13 | Deepings | 36.46 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 31 | THOMAS THORNTON | 13 | Grantham | 35.95 |
| 2 | 32 | PAUL SMITH-SHELTON | 53 | Deepings | 35.82 |
| 3 | 33 | WILLIAM GRAY | 13 | Grantham | 35.51 |
| 4 | 34 | JAMES NICHOLS | 12 | Grantham | 35.10 |
| 5 | 35 | JACOB BRIERS | 13 | Deepings | 34.44 |
| 6 | 36 | JACOB FISH | 12 | Grantham | 34.08 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 37 | JAKE BATY | 16 | Grantham | 33.47 |
| 2 | 38 | BAILEY JACKSON-CHILVER | 17 | Deepings | 33.04 |
| 3 | 39 | JACK ZERAVICA | 13 | Grantham | 32.92 |
| 4 | 40 | JOSHUA CLARKE | 13 | Grantham | 32.85 |
| 5 | 41 | GEORGE SHAW | 24 | Deepings | 32.30 |
| 6 | 42 | ELIJAH HALLIDAY | 14 | Grantham | 30.94 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 44 | GEORGE BERWICK | 18 | Grantham | 29.92 |
| 2 | 46 | HARRY CARDELL | 17 | Deepings | 28.61 |
| 3 | 48 | SAMUEL LEVERIDGE | 15 | Grantham | 28.11 |
| 4 | 47 | CADE DEAVES | 16 | Grantham | 28.14 |
| 5 | 45 | JAMES DOBNEY | 17 | Grantham | 29.32 |
| 6 | 43 | OWEN HATHWAY | 15 | Grantham | 30.61 |