Date of Birth: 
Place of Birth: Sofia, Sofia City Province, Bulgaria
About Raichin Antonov
- Raichin Antonov (Bulgarian: ?????? ???????; born April 11, 1980) is a Bulgarian former swimmer, who specialized in sprint freestyle events.
- He is a multiple-time Bulgarian record holder and champion in the 50 and 100 m freestyle.
- He is also a former member of the swimming team for the Missouri State Bears under head coach Jack Steck, and a business graduate at the Missouri State University in Springfield, Missouri. Antonov qualified for two swimming events at the 2004 Summer Olympics in Athens, by eclipsing FINA B-standard entry times of 23.48 (50 m freestyle) and 51.65 (100 m freestyle) from the Missouri State Swimming Championships.
- In the 100 m freestyle, Antonov challenged seven other swimmers on the fourth heat, including two-time Olympians George Gleason of the Virgin Islands and Allen Ong of Malaysia.
- He rounded out the field to last place and fifty-second overall by 0.29 of a second behind Ong in 52.33.
- In his second event, 50 m freestyle, Antonov matched his position from his first on the morning's prelims.
- Swimming in heat five, he touched out Iceland's Örn Arnarson to take a sixth spot by 0.17 of a second, outside his entry time of 23.67.
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