| Levels | CSS pace (per 100) | Outpace time prediction based on Critical Swim Speed (meters) | |||
| 400 m. | 1500 m. | 1900 m. (half ironman) | 3800 m. (ironman) | ||
| 1 | around 2’00 | 7’20 to 8’00 | 29’45 to 32’30 | > 38’ | > 80’ |
| 2 | 1’50 to 1’55 | 7’00 to 7’20 | 28’30 to 29’45 | 36’30 to 38’30 | 76’ to 80’ |
| 3 | 1’45 to 1’50 | 6’40 to 7’00 | 27’00 to 28’30 | 35’00 to 36’30 | 72’ to 76’ |
| 4 | 1’40 to 1’45 | 6’20 to 6’40 | 25’45 to 27’00 | 33’00 to 35’00 | 69’ to 72’ |
| 5 | 1’35 to 1’40 | 6’00 to 6’20 | 24’30 to 25’45 | 31’30 to 33’00 | 65’ to 69’ |
| 6 | 1’30 to 1’35 | 5’40 to 6’00 | 23’00 to 24’30 | 29’30 to 31’30 | 62’ to 65’ |
| 7 | 1’25 to 1’30 | 5’20 to 5’40 | 21’45 to 23’00 | 28’00 to 29’30 | 58’ to 62’ |
| 8 | 1’20 to 1’25 | 5’00 to 5’20 | 20’15 to 21’45 | 26’00 to 28’00 | 54’ to 58’ |
| 9 | 1’15 to 1’20 | 4’40 to 5’00 | 19’00 to 20’15 | 24’30 to 26’00 | 51’ to 54’ |
| 10 | 1’10 to 1’15 | 4’20 to 4’40 | 17’30 to 19’00 | 22’30 to 24’30 | 47’ to 51’ |
