|Prix de Guiche (1963)
Poule d'Essai des Poulains (1963)
Prix Royal-Oak (1963)
Epsom Derby (1963)
Prix Ganay (1964)
Grand Prix de Saint-Cloud (1964)
Coronation Cup (1964)
Relko (1960–after 1982) was a French Thoroughbred racehorse and sire. In a racing career which lasted from 1962 until 1964 he ran thirteen times and won nine races. His most notable win came in the 1963 Epsom Derby.
Relko was a "strong, compact, perfectly balanced" bay horse standing just over 16.1 hands high with a narrow white stripe and three white socks. He was bred by his owner François Dupré at his stud farm in Pont-d'Ouilly in the Basse-Normandie region. Relko was one of three outstanding colts produced by the broodmare Relance, the others being Match II and Reliance (Prix du Jockey Club). He was sired by the Grand Prix de Saint-Cloud winner Tanerko, a representative of the Teddy sire line. Relko was trained by Chantilly by Francois Mathet, who had previously handled the 1955 Derby winner Phil Drake.
1962: two-year-old season
Relko began his racing career by winning the Prix Gladiator over 1100m at Le Tremblay and then won the Prix Isard at Maisons-Laffitte. He was beaten into second place by the filly Neptune's Doll when favoured to win the Criterium de Maisons-Laffitte and then finished fourth to Hula Dancer in the Grand Criterium. On his final start of the year Relko finished second in the Prix Thomas Bryon.
1963: three-year-old season
At Epsom on 29 May, Relko was sent off the 5/1 favourite in a field of twenty-six runners. Ridden by the 21-year-old Yves Saint-Martin, Relko tracked the leading group in the early stages before moving up into third place early in the straight. He was moved up to take the lead from Tarqogan three furlongs from the finish and pulled away from the rest of the field to win easily by six lengths from Merchant Venturer and Ragusa. The slow winning time of 2:39.4 was explained by the rain-softened state of the turf.
Relko's Derby win was overshadowed for some time because of the revelation by the Daily Express that he had failed a drugs test. The incident took place in the context of a series of investigations into the "doping" of horses in British races. It was not until October that the Jockey Club confirmed Relko as the winner, stating that the substances detected could not be positively identified and therefore could not be proved to have affected the result. At the end of June, Relko was scheduled to run in the Irish Derby and made 11/8 favourite, but was withdrawn from the race minutes before the start, after appearing to be lame, leading to further suspicions of foul play.
In autumn, Relko returned to the racecourse to record an impressive win in the Prix Royal Oak on 15 September, easily defeating Sanctus, the winner of the Prix du Jockey Club and the Grand Prix de Paris. In the Prix de l'Arc de Triomphe, Relko became highly agitated before the start and ran poorly, finishing sixth behind Exbury.
1964: four-year-old season
Relko was unbeaten in three starts as a four-year-old. He began by winning the Prix Ganay at Longchamp and then returned to Epsom where he won the Coronation Cup on heavy ground in June. On his final start he won the Grand Prix de Saint-Cloud in July.
In their book A Century of Champions, John Randall and Tony Morris rated Relko the fifteenth best French horse of the 20th Century and the second best Derby winner of the 1960s. Timeform gave Relko an end of season rating of 136.
After winning a number of important races in France and in England, Relko was retired in September 1964 after a fetlock injury. In 1965, he was sent to stand at the Lavington stud in England. Although he was a top-class sire of middle-and-long distance horses, including Relkino, Give Thanks, Olwyn, Floyd and Lanfranco, he had little success as a sire of sires. Of his daughters, My Sierra Leone produced the Champion filly Royal Heroine who won the inaugural running of the Breeders' Cup Mile in North American record time. Relko was buried at the Malthouse Stud in Berkshire.
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- "Relko outclasses home colts". Glasgow Herald. 30 May 1963. Retrieved 2012-01-02.
- http://www.sporthorse-data.com/horse/570076/902/Horse_Relko-_2big.jpg Photograph of Relko
- "Dosage". Chef-de-race.com. Retrieved 2012-01-02.
- Mortimer, Roger; Onslow, Richard; Willett, Peter (1978). Biographical Encyclopedia of British Flat Racing. Macdonald and Jane’s. ISBN 0-354-08536-0.
- "French horse wins 184th running of English Derby". Ocala Star-Banner. 29 May 1963. Retrieved 2012-01-02.
- "Relko, French horse, wins English Derby". Meriden Record. 30 May 1963. Retrieved 2012-01-02.
- "No denial by officials". Montreal Gazette. 19 July 1963. Retrieved 2012-01-02.
- "More horses brought into dope scandal". Miami News=. 17 July 1963. Retrieved 2012-01-02.
- "Big scoop from London". Sarasota Herald-Tribune. 3 October 1963. Retrieved 2012-01-02.
- "Officials probe Relko mystery". Miami News. 7 July 1963. Retrieved 2012-01-02.
- "Relko still mystery". Miami News. 2 July 1963. Retrieved 2012-01-02.
- Réalités - Google Books. Books.google.co.uk. 2003-01-01. Retrieved 2012-01-02.
- Morris, Tony; Randall, John (1999). A Century of Champions. Portway Press,. ISBN 1-901570-15-0.
- Morris, Tony; Randall, John (1990). Horse Racing: Records, Facts, Champions(Third Edition). Guinness Publishing. ISBN 0-85112-902-1.
- "Twisted Fetlock Puts Relko Out of Racing". Pqasb.pqarchiver.com. 1964-09-17. Retrieved 2011-12-24.
- American classic pedigrees (1914 ... - Avalyn Hunter - Google Books. Books.google.co.uk. 2003-05-25. Retrieved 2012-01-02.
- "Grave Matters Thoroughbreds". Tbheritage.com. Retrieved 2012-01-02.
- "English Derby Winner: Relko". Chef-de-race.com. Retrieved 2012-01-02.