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contests of speed and endurance with serious biochemical and physiological consequences lessened by adequate training beforehand. See also physical fitness, exertional rhabdomyolysis, heat exhaustion, pulmonary hemorrhage, epistaxis, exhaustion.

racing dogs
usually refers to Greyhounds and Whippets, but in some instances may be used to describe the dogs used for endurance sledge racing.
racing pigeons
a variety of pigeons, bred and selected to fly long distances back to their own homes. Races are conducted as time trials with groups of birds being released at specific times and their arrival clocked in.
racing plates
lightweight, single-use, horseshoes made of aluminum and with a fullered contact surface; see also horseshoeing.

Patient discussion about racing

Q. what causes the heart to race so fst it feels like it going to come right out your chest?

A. Too much caffeine or alcohol or food can sometimes cause your heart to race in an erratic way. Heart rhythm problems (arrhythmias) occur when the electrical impulses in your heart that coordinate your heartbeats don't function properly, causing your heart to beat too fast, too slow or irregularly.

Arrhythmias are common and usually harmless. Most people have occasional, irregular heartbeats that may feel like a skipped, fluttering or racing heart. However, some heart arrhythmias may cause bothersome — sometimes even life-threatening — signs and symptoms. Hope this helps.

More discussions about racing
References in periodicals archive ?
Tony Kanaan, driver for Andretti Green Racing, was third fastest at 214.
77 Chevrolet Silverado for South Point Racing, won two NASCAR West Series championships and a number of races at Irwindale Speedway before making the jump to the Truck Series and a stint in the Nextel Cup Series.
As many of you know, there are very good times to be had in distance-sport racing, if one goes about it the right way.
Actual results could differ materially from those projected in the forward-looking statements as a result of risk factors discussed in American Racing Capital Inc.
She returned to off-road motorcycle racing, but not in the Baja 1000.
Andretti Green Racing and Fernandez Racing will enter the American Le Mans Series with Acura-powered cars in 2007, the two teams announced Thursday in Portland, Ore.
Neal McDonald, a veteran of four round-the-world races, finishing second as skipper in his last race, and has competed in both the America's Cup and the Admiral's Cup, is the skipper on Ericsson Racing Team and Steve Hayles is navigator.
In BMLC, we selected a buyer who not only recognized the value of Hollywood Park, but also is committed to continuing racing at the venue and motivated to improve the California racing environment," continued Meeker.
The launch of the new racing brand is timed to take advantage of the growing interest in motorsports.
However, that hasn't stopped the sides from planning a return of IRL racing to Fontana.
Dario Franchitti was the highest finishing Andretti Green Racing driver.