Swimming World Records

Jack Nunn, a former US national team rower who won silver in the eight at the 2001 Under-23 World Rowing Championships in Linz, Austria, finished three of triathlon's most punishing races in a little over two years. He completed the Norseman Xtreme Triathlon in Norway in 15:02:45 in August 2017, the three-day, 320-mile Ultraman Florida in 33:24:36 in February 2019, and the Ironman World Championship in Kona, Hawaii in 15:05:51 in October 2019. RecordSetter checked each finish against the official published race results, for a combined 63 hours, 33 minutes and 12 seconds. Not bad for a 6-foot-3, 220-pound athlete built for a rowing shell rather than a mountain climb.

Chengyong Wu was 14 years old when he left the block 0.49 seconds after the starting signal at the 2024 Olympic HKG Long Course Swimming Invitational Trial I in Hong Kong, racing out of lane 4 in the men's 200-meter individual medley. Reaction time measures the gap between the starter's tone and the swimmer's first movement, and it is registered by pressure sensors built into the starting block rather than judged by eye, so the figure that flashed on the official scoreboard is the block's own verdict. The whole record was over before he touched the water, which is a fine reminder that swimming races are decided in places nobody is watching.

Shin Clinton ran across his covered swimming pool in 4.69 seconds.

Dave del Corral completed one belly flop in to the South China Sea[].

Joey Mette and Jed fit two people in one swim cap while holding it open.

This record was set as part of Toyota Prius Records, a two-day event streamed live on the Internet. In a 48-hour period, URDB officials adjudicated 200 Prius-related world records. This was the most records ever documented in a 48-hour window, a world record in and of itself. The event took place in Los Angeles, California on March 30th and 31st, 2011. See all the records set at the event here.

A total of 28 campers at iD Tech Camp Purdue University joined togther while in inner tubes and rode along a lazy riverwhile connected. [#iDTech][]

Joe Salter completed a triathlon while juggling in one hour, 57 minutes. See Rules for full information.

Clyde completed 25 push-ups and a 50-meter swim sprint in one minute, 16.23 seconds.

Dan Miller and his friends jumped in all five Great Lakes (Lake Ontario, Lake Erie, Lake Huron, Lake Michigan, and Lake Superior) in eight hours, 51 minutes, 44 seconds.

Georgian Records Federation's Ana Lominadze swam 5,500 meters in the Dardanelles Strait in 50 minutes with her hands and legs bound. See photos of the attempt here. Learn more about the attempt here. NOTE: This record is dangerous and should only be attempted by professionals.

Zakk S. unicycled 30 feet underwater.

Alicia Weber completed 129 push-ups on a floating paddleboard in four minutes.

Zach, Alex, and Tyler jumped off a dock a total of 25 times in three minutes.

Kaylen and her friend jumped a total of 35 times into a pool in one minute.

Four Record Setters splashed each other in a swimming pool for four minutes, 9.27 seconds.