|Born||July 15, 1994|
Westampton Township, New Jersey
|Height||5 ft 11 in (180 cm)|
|Weight||165 lb (75 kg)|
|College team||University of Louisville|
Kelsi Worrell Dahlia (born July 15, 1994) is an American competition swimmer who specializes in butterfly and freestyle events. She qualified for the 2016 Rio Olympics in the 100-meter butterfly and won a gold medal in the 4 x 100-meter medley relay for swimming in the heats.
Worrell holds the American record in the 100-yard butterfly. At the NCAA finals in March 2015, she broke the 13-year-old record held by Natalie Coughlin, and became the first woman to break 50 seconds in the event. In March 2016, she improved her record to 49.43 s.
At the Duel in the Pool meeting in December 2015, Worrell broke the world record in the 4×100 meter medley relay (short course) together with her teammates Courtney Bartholomew, Katie Meili, and Simone Manuel.
2016 Summer Olympics
At the US Olympic Swimming Trials, Worrell placed first in the 100-meter butterfly and qualified for the US Olympic team.
In Rio de Janeiro, Worrell placed 4th in the heats of the 100-meter butterfly but failed to qualify for the finals after finishing 9th in the semi-finals. She won a gold medal in the 4×100-meter medley relay for swimming in the prelims.
Born in Voorhees Township, New Jersey, Worrell grew up in Westampton Township, New Jersey where she swam for the Tarnsfield Swim Club her whole childhood. She attended Rancocas Valley Regional High School in Mount Holly, where she graduated as part of the class of 2012.
She is married to Thomas Dahlia.
- "Kelsi Worrell – 2015–16 Swimming and Diving". Louisville Cardinals. Retrieved December 13, 2015.
- "Kelsi Worrell Swimming". Team USA. Retrieved December 13, 2015.
- Flaherty, Bryan (August 6, 2015). "Kelsi Worrell wins USA Swimming national title in the women's 100-meter butterfly". The Washington Post. Retrieved December 13, 2015.
- USA Swimming (June 27, 2016). "Women's 100m Butterfly". Omega Timing. Retrieved June 27, 2016.
- Lintner, Jonathan (July 19, 2015). "Another gold for Cards' Worrell at Pan Am Games". The Courier-Journal. Retrieved December 13, 2015.
- Keith, Braden (March 20, 2015). "Kelsi Worrell Becomes First Woman Ever Under 50 Seconds In 100 Yard Fly". Swimswam. Retrieved December 13, 2015.
- Neidigh, Lauren (March 18, 2016). "Kelsi Worrell Crushes 100 Fly American Record". Swimswam. Retrieved May 24, 2016.
- Lohn, John (December 12, 2015). "Duel in the Pool: Team USA goes on record assault to secure 74–48 advantage". Swimvortex. Retrieved December 13, 2015.