Team time trial

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A team time trial (TTT) is a road bicycle race in which teams of cyclists race against the clock (see individual time trial for a more detailed description of ITT events).

The winning team in a TTT is determined by the comparing the times of (usually) the fourth-finishing rider in each team (though the relevant finish position can be otherwise specified in advance by the race organisers).^[1] This means that each team will try to get their first four (at least) riders across the finish line in a tight group: it is actually a disadvantage for any rider to finish far in advance of the fourth rider, as by staying back a faster rider can help the fourth rider to get a quicker time.

Where a TTT is part of a stage race, it is necessary for each rider to be given a finish time that can be cumulated into the general classification timings. Hence, all riders in the team who finish in the leading bunch are given the time of the fourth rider, and any rider who has been dropped is timed individually in the usual way.

Teams start at equal intervals, usually two, three or four minutes apart. Starting sequences will usually be based on individuals' times in previous events, but in TTTs conducted as part of a multi-stage road race (such as the Tour de France and the Giro d'Italia) the highest ranked teams will normally start later. Later starters have the advantage of knowing what times they need to beat (and this also makes the event more interesting to spectators).

Unlike individual time trials where competitors are not permitted to 'draft' (ride in the slipstream) behind each other, in team time trials, riders in each team employ this as their main tactic, each member taking a turn at the front while teammates 'sit in' behind. After their turn, the lead rider will swing over, allowing the next rider to take the lead, while the leader goes to the back of the team.

Should one team overtake another, the overtaken team would be expected to drop back.