Feel free to add to the list.
1, Marcos Baghdatis:
Equalling tennis legend Bjorn Borg's record for the longest winning streak in the Davis Cup. 33 Consecutive victories.http://www.sigmalive.com/en/sports/othe ... s-cup-wins
2, Cyprus National Rugby team:
World record for the most consecutive wins in international Rugby Union.(24)
3, Karolina Pelendritou:
3 time Gold medalist Paralympian. Achieved a world record of 2:51:72 in the 200 meters breaststroke