Breakaway
Similar to a surge in running, when one or more cyclists increase their speed significantly in an attempt to create distance between themselves and the rest of the competitors.
Clip-ons
An extension of the handlebars, allowing a cyclist to achieve an aerodynamic position while riding.
DNS/DNF
Did Not Start and Did Not Finish.
Drafting
Proceeding directly behind someone in an effort to gain an advantage by conserving energy. Look for weaker swimmers and cyclists to find the toes or wheels of other athletes to try to maintain pace during the swim and cycling legs.
ITU
The International Triathlon Union, triathlon's international governing body.
Olympic-format
The style of triathlon contested in the Olympic Games, consisting of a course of multiple loops in all three disciplines and a draft-legal format during the cycling portion.
Racing age
The athlete’s age on Dec. 31 of the competition year.
Race packet
The packet each athlete receives before a race. It usually includes a race number, swim cap and timing chip.
Surge
Similar to a breakaway in cycling, when one or more athletes increase their speed significantly in an attempt to create distance between themselves and the rest of the competitors.
T1
Slang terminology for the swim-to-bike transition.
T2
Slang terminology for the bike-to-run transition.
Transition area
The hub of the triathlon course, the place where athletes transform from swimmer to cyclist and from cyclist to runner. Races can be won or lost in the time it takes for athletes to change from one discipline to another.
Waves
When a race does not start in a mass, the race director will break athletes into groups called waves, often separated by gender and age groups.