While horses in the wild mate and foal in mid to late spring, in the case of horses domestically bred for competitive purposes, especially horse racing and various futurities, it is desirable that they be born as close to January 1 in the northern hemisphere or August 1 in the southern hemisphere as possible, so as to be at an advantage in size and maturity when competing against other horses in the same age group.

While sailing groups organize the most active and popular competitive yachting, other boating events are also held world-wide: speed motor boat racing ; competitive canoeing, kayaking, and rowing ; and navigational contests ( generally a test of celestial and landmark-based navigation skills where GPS and other electronic navigation equipment is disallowed ) are among the events which are organized around the world.

While rules vary from country to country, most series require that the competitors start with a standard body shell, but virtually every other component may be allowed to be heavily modified for racing, including engines, suspension, brakes, wheels and tires.

While on Earth, Professor Bernardo de la Paz purchases a small brass cannon, originally a " signal gun " of the kind used in yacht racing.

While locost racing is not as popular in North America, Locosts are eligible to compete in several amateur racing formats under many governing bodies such as the SCCA and NASA.

While acclaimed by the press in 1998 as the most realistic racing simulator ever, GPL did not sell very well, especially in the US where a Formula One-based racing game holds less appeal than it does in the rest of the world.

While the attention of horse racing fans and the media is focused almost exclusively on the horse's performance on the racetrack, or for male horses possibly its success as a sire, little publicity is given to brood mares.

While most arcade racing games have been using steering wheels since Gran Trak 10 in 1974, the first steering wheels for home systems appeared on fifth-generation consoles such as the PlayStation and Nintendo 64.

While the town's name is by local inhabitants, the racetrack's name is by auto racing fans.

While there is an emphasis on vintage racing bikes, the collection is quite broad and ranges from 1910 to the present.

While designed as an F1 engine, the DFV was also used as in endurance racing, although its flat-plane design led to destructive vibrations putting stress on devices surrounding the engine, especially the exhaust system.

While investigating the possibility of joining a racing team as an owner, he was granted a test in a car, and instead signed a two-year deal with Jensen Motorsport as a driver.

While the Grand Prix motor racing scene still evaded German tracks, the circuit from 1922 was also the site of motorcycle races.

While Seabiscuit had not lived up to his racing potential, he was not the poor performer that Fitzsimmons had taken him for.

While racing at Hollywood Park in California, he suffered such a severe bout of colic that he was operated on in a last effort to save him, euthanasia being the only alternative.

While there is no definite proof, there are compelling reasons to think the sport of racing pigeons may go back at least as far as 220 AD or possibly earlier.

While ' competition ' has taken place annually for more than 20 centuries as part of religious ceremonies and folk customs, dragon boat racing has emerged in modern times as an international sport, beginning in Hong Kong in 1976.

While racing one day, his brother Wilson took off at and landed upside down-they both decided that although he had survived, they would no longer race hydrofoils and moved onto to racing karts.

While Mercedes withdrew from the race as a sign of respect to the victims ( and later from motor racing in general for the next 30 years ), Mike Hawthorn and Ivor Bueb continued in their Jaguar to win the race.

While not the first third-person racing game ( it was predated by Sega's Turbo ), Pole Position established the conventions of the genre and its success inspired numerous imitators.

While not the first arcade racing game with 3D graphics ( it was predated by Winning Run, Hard Drivin ' and Stunts ), it was able to combine the best features of games at the time, along with multiplayer machine linking and clean 3D graphics to produce a game that was above and beyond the arcade market standard of its time, laying the foundations for subsequent 3D racing games.

While five minutes ago the place had presented a scene of easy revelry, with Gyp Carmer a prominent figure, it was now as somnolent and dull as the day before payday.

While his comrades cocked the trap, that one behaved as if it was some dull maneuver.

While she was struggling to get her skirt down and get on her feet again, Jack ran over, offered her his hand and said, `` Gosh, I'm sorry, Miss Langford.

While he was handling the multi-million-dollar funding operations of the Government he had to resort to borrowing small sums from friends.

While convalescing in his Virginia home he wrote a book recording his prison experiences and escape, entitled: They Shall Not Have Me Published originally in ( Helion's ) English by Dutton & Co. of New York, in 1943, the book was received by the press as a work of astonishing literary power and one of the most realistic accounts of World War 2, from the French side.

While this was under consideration, dauntless as ever Wright set about the building of Taliesin 3.

While the picture was taken, Mr. Miller's disposition to be generous to Mr. Sandburg increased to the point where he advised, ' I won't even charge you the one dollar rental fee ' ''.

While I was sitting at one of the rewrite telephones with my derby and my great beard, Arthur Brisbane whizzed in with some editorial copy in his hand.

While the final combat of the campaign was being worked out at Jonesborough, Thomas, on Sherman's instructions, ordered Slocum, now commanding the Twentieth Corps, to make an effort to occupy Atlanta if he could do so without exposing his bridgehead to a counterattack.

While driving the cow back home the woman was assaulted by a servant maid of Gorton.

While he was at it, the philosopher of the Kremlin contributed an additional assist to the rule of reason by bellowing at those in the west who can't appreciate coexistence thru suicide.

While this was being discussed, we saw the militia to the west of us fanning out and breaking into little clusters of two and three men as they approached the road.

While she was thus engaged, McFeeley questioned her about her whereabouts the previous day, any recollections she had of people hanging around, of overcurious delivery boys or repairmen, of strange cars cruising the neighborhood.

While she was settling the teacart, he went back across the hall to their bedroom, opened one of the suitcases, and took out powdered coffee and sugar.

While the regulations formerly required that the hearing officer's report be placed in the registrant's file, this requirement was eliminated in 1952.

While there are now allegations of the withholding of `` favorable evidence developed at the hearing '' and a denial of a `` full and fair hearing '', no such claim was made by petitioner at any stage of the administrative process.

While Mr. Blatz was putting up the pegboards and starting the workbench, Mr. Crombie told him of this idea about paneling the whole end of the cellar.

`` While Henry Morgan was escorting Miss Vera Green from the church social last Saturday night, a savage dog attacked them and bit Mr. Morgan on the public square ''.

While the interpretations that have been given are inferences only, they gain support from such comments as the following, which was made by one of the Kohnstamm-negative subjects who did not, on the first trial, perceive the tilt illusion.

While the Cold War raged it was easy to blame it all on Yalta.

While the method of interviewing a small number of companies was appealing because of the opportunity it might have furnished to probe fully the reasons and circumstances of a company's practices and opinions, it also involved the risk of paying undue attention to the unique and peculiar problems of just a few individual companies.

While he was in custody his wife divorced him.

While accounts of the progress of the tsunami came in from various points in the Pacific ( Midway reported it was covered with nine feet of water ), the Hawaiian station made its calculations and notified the military services and the police that the first big wave would arrive at Honolulu at 23:30 Greenwich time.

While nowadays we recognize the fact that there are many causes for bleeding at the nose, not long ago a nosebleed was simply that, and treatment had little variation.

While women had always attended ball games in small numbers ( it was the part of a `` dead game sport '' in the early years of the twentieth century to be taken out to the ball park and to root, root, root for the home team ), they had often sat in patient martyrdom, unable even to read the scoreboard, which sometimes seemed to indicate that one team led another by a score of three hundred and eighty to one hundred and fifty-one.