Heats (Declared Winners) Mens 100m Butterfly
25/29 Yrs Age Group
| Place | Name | YoB | Club | Time | | |
| 1. | Andrew Castle | (80) | Etwall | 1:32.61 | | |
| John Smith | (76) | Kenilworth M | DNC | | |
30/34 Yrs Age Group
| Place | Name | YoB | Club | Time | | |
| 1. | Justin Palfrey | (71) | Bexley | 1:11.74 | | |
35/39 Yrs Age Group
| Place | Name | YoB | Club | Time | | |
| 1. | Dave Bailey | (69) | Co Derby | 1:08.92 | | |
| 2. | Mark Kendall | (70) | Co Derby | 1:13.99 | | |
| Ady Brown | (70) | Belper | DQ | SL-2L | |
40/44 Yrs Age Group
| Place | Name | YoB | Club | Time | | |
| 1. | Mick Commons | (61) | Loughborough | 1:11.05 | | |
| 2. | Andrew Gristwood | (64) | Cleethorpes | 1:12.03 | | |
| 3. | Steve Goodall | (65) | Matlock | 1:14.07 | | |
| 4. | Paul James | (63) | Co Cambridge | 1:17.65 | | |
45/49 Yrs Age Group
| Place | Name | YoB | Club | Time | | |
| 1. | Mark Jones | (60) | Everton | 1:14.13 | | |
