Earth Day Challenge
April 22
| Name | Age | Location | Country | Affiliation | Distance |
|---|---|---|---|---|---|
| Jutta Kormann | 62 | Henndorf am Wallersee | AUT | 5,626 | |
| Thomas Kormann | 61 | Henndorf am Wallersee | AUT | 6,351 | |
| Bence Kormos | 39 | London | GBR | RowElite Crew | 40,257 |
| Jens Kornberger | 47 | Frankfurt am Main | GER | Crossfit Herzschlag | 25,205 |
| Joseph Kornblith | 31 | Chicago | USA | Lincoln Park Boat Club | 10,607 |
| Johannes Körner | 56 | Laufach | GER | 6,002 | |
| Hannah Korrell | 37 | USA | 6,272 | ||
| ivo kors | 60 | UAE | 10,000 | ||
| Jacek Korszon | 49 | POL | 10,537 | ||
| Stephan Kos | 41 | NED | 10,000 | ||
| Nicholas Kosar | 31 | ON | CAN | 6,010 | |
| Katie Kosche | 23 | Toronto, ON | CAN | RowPro Rowers | 6,136 |
| Kevin Koshar | 73 | USA | 6,000 | ||
| Antti Koskela | 43 | FIN | 7,000 | ||
| Lauren Kosky-Stamm | 47 | Andover, MA | USA | Greater Lawrence Rowing | 10,507 |
| Ralf Kosole | 67 | Bochum | GER | Blackband CrossFit | 25,302 |
| Danny Kosolosky | 53 | BEL | 12,258 | ||
| George Kosovic | 75 | Lexington, VA | USA | 9,813 | |
| Amanda Kossa | 29 | Liberty Hill, TX | USA | 4,057 | |
| Matthew Kossa | 33 | USA | 4,239 | ||
| Rhonda Kost | 66 | USA | 3,449 | ||
| Shannon Kost | 50 | Atlanta, GA | USA | 8,453 | |
| Jason Kostadine | 42 | USA | 25,074 | ||
| Jan Kostecki | 43 | Pleasant Hill, CA | USA | 8,627 | |
| Culton Koster | 26 | USA | 10,071 | ||
| Janis Köstermann | 42 | Berlin | GER | 5,826 | |
| Ievgen Kostiukevych | 36 | SUI | 6,428 | ||
| Szymon Kostyk | 43 | USA | 6,634 | ||
| Pawel Kotlarz | 48 | POL | 10,547 | ||
| Jörn Kotzur | 48 | Berlin | GER | 13,107 | |
| Paul Koumbourlis | 23 | Bethesda, MD | USA | 10,114 | |
| Anna Kouvielou | 57 | Athens | GRE | 10,061 | |
| Mike Kovach | 57 | Strongsville, OH | USA | 10,000 | |
| Thomas Kovacs | 33 | FRA | 18,751 | ||
| Istvàn KOVACS | 69 | FRA | 5,027 | ||
| Serge Koval | 51 | Lviv | UKR | Dnipro Rowing Club | 8,040 |
| JAMES KOVAR | 64 | LENEXA, KS | USA | 10,000 | |
| Adrian Kowalewski | 45 | Brwinów | POL | 5,197 | |
| Mariusz Kowalik | 50 | Koszalin | POL | Polish Indoor Rowing Team | 10,000 |
| Bill Kowalski | 80 | Wurzburg, AE | USA | Wurzburg American Middle School | 79,437 |
| Piotr Kowalski | 40 | Warsaw | POL | 7,300 | |
| John Kowalski | 50 | Oceanside, CA | USA | U.S. Marines | 6,126 |
| Benjamin Kozak | 29 | ON | CAN | 17,004 | |
| Ondrej Kozak | 51 | Vrane nad Vltavou | CZE | 12,558 | |
| Jason Kozarsky | 24 | Philadelphia, PA | USA | University of Pittsburgh | 10,082 |
| Oleksandr Kozhan | 41 | Dnipro | UKR | Dnipro Rowing Club | 7,187 |
| Neil Kozlowicz | 53 | Minneapolis, MN | USA | 7,242 | |
| Aneta Kozlowska | 50 | POL | 7,048 | ||
| Tamás Kozma | 35 | HUN | 5,000 | ||
| Craig Kozun-Young | 61 | ST CATHARINES, ON | CAN | St. Catharines Rowing Club, St.Catharines Ontario | 12,403 |