TriTat’s triathlon-specific body-marking system increases event revenue, enhances safety and simplifies the stress and mess of traditional body-marking at triathlons. TriTats provides a professional image to race directors’ big event that conveys a touch of class especially for age-group triathletes. TriTats are removable triathlon specific race-day-tattoos and take the place of traditional body-marking. TriTats' specific tattoos help age-group participants look and feel like pro triathletes! TriTats are worn for the day of the event and provide three important tat identifiers: 1) participant race number in three places 2) an age group category identifier 3) sponsor logo TriTats are durable and can last up to a week but can be removed at any time with baby oil or rubbing alcohol.