A guide to cycling's more specialized terminology to help follow the upcoming Tour of Missouri race:bonk: total exhaustion caused by lack of adequate food during a long race.
bonus sprints: races within the race; points awarded for first three finishers.
cadence: number of pedal strokes completed during one minute.
chasers: riders trying to catch up to the breakaway group.
circuit race: a multi-lap event. The Tour of Missouri will include circuits in Kansas City, Springfield and St. Louis.
feed zone: designated areas along the race route where riders grab small bags filled with food and drinks as they pass.
hammer: to ride hard, go all out.
jump: quick acceleration, usually developing into a sprint.
KOM: King of the Mountain, a jersey awarded to the day's top climber.
lead out: sacrificial tactic employed by a domestique, who rides fast in front of a teammate, allowing the stronger cyclist to conserve energy via a wind block until the last minute.
peloton: the main pack of riders. French for "group moving forward."
slipstream: area of least wind resistance behind a rider.
soigneur: French for "to treat" or "to care for." Provides massages, prepares feed bags and water bottles, drives team support vehicles.
team director: manages racing tactics, chooses riders for team and each race.
time trial: race against the clock in which racers or whole teams start one at a time. Rider with least time over set distance is winner. Riders can pass each other but are not allowed to draft.
-- The Associated Press