Serhiy Demydyuk (born June 5, 1982) is a Ukrainian hurdler.
Career
He won a bronze medal at the 2003 Summer Universiade, and competed at the 2004 Olympics where he was knocked out in the heats. He finished eighth in the 110 m hurdles final at the 2006 European Athletics Championships, and fifth in 60 m hurdles at the 2007 European Indoor Championships.
His personal best time is 13.22 seconds, achieved in August 2007 in Osaka (6th in World Champs).
Competition record
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
Representing  Ukraine | |||||
| 2003 | European U23 Championships | Bydgoszcz, Poland | 11th (sf) | 110 m hurdles | 13.92 (wind: 1.9 m/s) |
| 2004 | World Indoor Championships | Budapest, Hungary | 20th (h) | 60 m hurdles | 7.78 |
| Olympic Games | Athens, Greece | 39th (h) | 110 m hurdles | 13.80 | |
| 2005 | European Indoor Championships | Madrid, Spain | 13th (h) | 60 m hurdles | 7.80 |
| World Championships | Helsinki, Finland | 30th (h) | 110 m hurdles | 14.25 | |
| Universiade | İzmir, Turkey | 3rd | 110 m hurdles | 13.69 | |
| 2006 | World Indoor Championships | Moscow, Russia | 23rd (h) | 60 m hurdles | 8.03 |
| European Championships | Gothenburg, Sweden | 8th | 110 m hurdles | 13.96 | |
| 2007 | European Indoor Championships | Birmingham, United Kingdom | 5th | 60 m hurdles | 7.68 |
| Universiade | Bangkok, Thailand | 1st | 110 m hurdles | 13.33 | |
| World Championships | Osaka, Japan | 6th | 110 m hurdles | 13.22 (NR) | |
| 2009 | World Championships | Berlin, Germany | 29th (h) | 110 m hurdles | 13.71 |
