Time trial
Encyclopedia
In many racing
sport
s an athlete (or occasionally a team of athletes) will compete in a time trial against the clock
to secure the fastest time
. In cycling
, for example, a time trial (TT) can be a single track cycling
event, or an individual
or team time trial
on the road, and either or both of the latter may form components of multi-day stage races. In contrast to other types of races, athletes race alone since they are sent out in intervals (interval starts), as opposed to a mass start
.
In cross country skiing and biathlon
competitions, skiers are sent out in 30 to 60 second intervals.
In rowing
, time trial races, where the boats are sent out at 10 to 20 second intervals, are usually called "head race
s."
In many forms of motorsport
, a similar format is used in qualifying to determine the starting order for the main event, though multiple attempts to set the fastest time are often allowed. In rallying
, the special stages
are run in a time-trial format. A similar race against the clock or time attack
is often part of racing video games.
In power yachting a time trial event involves sailing and accurately maintaining a predetermined course between fixed marks on the water at a nominated speed.
Racing
A sport race is a competition of speed, against an objective criterion, usually a clock or to a specific point. The competitors in a race try to complete a given task in the shortest amount of time...
sport
Sport
A Sport is all forms of physical activity which, through casual or organised participation, aim to use, maintain or improve physical fitness and provide entertainment to participants. Sport may be competitive, where a winner or winners can be identified by objective means, and may require a degree...
s an athlete (or occasionally a team of athletes) will compete in a time trial against the clock
Clock
A clock is an instrument used to indicate, keep, and co-ordinate time. The word clock is derived ultimately from the Celtic words clagan and clocca meaning "bell". A silent instrument missing such a mechanism has traditionally been known as a timepiece...
to secure the fastest time
Time
Time is a part of the measuring system used to sequence events, to compare the durations of events and the intervals between them, and to quantify rates of change such as the motions of objects....
. In cycling
Cycling
Cycling, also called bicycling or biking, is the use of bicycles for transport, recreation, or for sport. Persons engaged in cycling are cyclists or bicyclists...
, for example, a time trial (TT) can be a single track cycling
Track cycling
Track cycling is a bicycle racing sport usually held on specially built banked tracks or velodromes using track bicycles....
event, or an individual
Individual time trial
An individual time trial is a road bicycle race in which cyclists race alone against the clock . There are also track-based time trials where riders compete in velodromes, and team time trials...
or team time trial
Team time trial
A team time trial is a road-based bicycle race in which teams of cyclists race against the clock .Teams start at equal intervals, usually two, three or four minutes apart...
on the road, and either or both of the latter may form components of multi-day stage races. In contrast to other types of races, athletes race alone since they are sent out in intervals (interval starts), as opposed to a mass start
Mass start
Mass start is a format of starting in some events in athletics , such as a marathon race, speedskating or a long-distance cross country skiing competition....
.
In cross country skiing and biathlon
Biathlon
Biathlon is a term used to describe any sporting event made up of two disciplines. However, biathlon usually refers specifically to the winter sport that combines cross-country skiing and rifle shooting...
competitions, skiers are sent out in 30 to 60 second intervals.
In rowing
Rowing (sport)
Rowing is a sport in which athletes race against each other on rivers, on lakes or on the ocean, depending upon the type of race and the discipline. The boats are propelled by the reaction forces on the oar blades as they are pushed against the water...
, time trial races, where the boats are sent out at 10 to 20 second intervals, are usually called "head race
Head race
A head race is a time-trial competition in the sport of rowing, also known as crew to a few USA organizations. Head races are typically held in the fall and spring seasons. These events draw many athletes as well as observers...
s."
In many forms of motorsport
Motorsport
Motorsport or motorsports is the group of sports which primarily involve the use of motorized vehicles, whether for racing or non-racing competition...
, a similar format is used in qualifying to determine the starting order for the main event, though multiple attempts to set the fastest time are often allowed. In rallying
Rallying
Rallying, also known as rally racing, is a form of auto racing that takes place on public or private roads with modified production or specially built road-legal cars...
, the special stages
Special stage (rallying)
Special stages are the competitive sections of a stage rally event where the goal is to cover a stretch of closed road in the shortest time. On a special stage cars are set off individually at set intervals to reduce the chances of being impeded by other competitors. Each special stage is a...
are run in a time-trial format. A similar race against the clock or time attack
Time attack
A time attack is another term for time trial. The term is commonly used in Japan for individual time trial events for motor vehicles that involves a vehicle running around the circuit in lieu of a qualifying lap and the term is widely adopted outside the country for tuner event and...
is often part of racing video games.
In power yachting a time trial event involves sailing and accurately maintaining a predetermined course between fixed marks on the water at a nominated speed.
See also
- Bushy Park Time TrialBushy Park Time TrialBushy parkrun is a 5 km run that takes place every Saturday morning at 9am in Bushy Park, Teddington. It has taken place every week since October 2004. It is entirely run by volunteers, and is free to enter....
- Head raceHead raceA head race is a time-trial competition in the sport of rowing, also known as crew to a few USA organizations. Head races are typically held in the fall and spring seasons. These events draw many athletes as well as observers...
- Individual time trialIndividual time trialAn individual time trial is a road bicycle race in which cyclists race alone against the clock . There are also track-based time trials where riders compete in velodromes, and team time trials...
- Isle of Man TTIsle of Man TTThe International Isle of Man TT Race is a motorcycle racing event held on the Isle of Man and was for many years the most prestigious motorcycle race in the world...
- Team time trialTeam time trialA team time trial is a road-based bicycle race in which teams of cyclists race against the clock .Teams start at equal intervals, usually two, three or four minutes apart...
- Time attackTime attackA time attack is another term for time trial. The term is commonly used in Japan for individual time trial events for motor vehicles that involves a vehicle running around the circuit in lieu of a qualifying lap and the term is widely adopted outside the country for tuner event and...
- Tour de FranceTour de FranceThe Tour de France is an annual bicycle race held in France and nearby countries. First staged in 1903, the race covers more than and lasts three weeks. As the best known and most prestigious of cycling's three "Grand Tours", the Tour de France attracts riders and teams from around the world. The...
- Track time trialTrack time trialIn the track time trial, a track cycling event, cyclists compete individually against the clock to record the fastest time over the specified distance from a standing start.-The bike:...
External links
- Southern California Time Trial Racing
- List of cycling World Time Trial Champions
- The Ultimate Guide to Time Trialling
- {http://www.sportspage.com.au/}