2018 Barrelman Swim Waves and Cap Colours
| Time | Wave | Cap Colour | Categories |
| 8:29am | Pro | Black | Pros |
| 8:30am | 1 | Red
Gold |
Men 30-44 |
| 8:36am | 2 | Light Blue
Hot Pink |
Men 29&Under, Women 39&Under |
| 8:42am | 3 | Silver
Neon Green |
Men 45-49, Women 40-44, Relays |
| 8:48am | 4 | White | Men 50-54, All Swim/Bike |
| 8:54am | 5 | Violet
Neon Orange |
Men 55-59, Women 45-54 |
| 9:00am | 6 | Neon Yellow | Men 60+, Women 55+, Paratriathletes |
| 9:10am | Bike/Run | Bike / Run Start – TT format |