Earth Day Challenge
April 22
| Name | Age | Location | Country | Affiliation | Distance |
|---|---|---|---|---|---|
| Dennis Koelmel | 87 | USA | 5,402 | ||
| Fred Koene | 65 | Rotterdam | NED | Free Spirits | 8,000 |
| Fabien Koenig | 46 | FRA | French Navy | 6,000 | |
| Michel Koenigs | 63 | Lingenfeld | GER | Silent Water Neufeld | 23,379 |
| Robert Koenneker | 39 | GER | 5,906 | ||
| stacy koepplin | 55 | ponte vedra beach, FL | USA | 10,057 | |
| Harald Koester | 69 | Cologne | GER | 13,123 | |
| clint kohl | 36 | FRA | 4,270 | ||
| Ihor Kohut | 33 | Chicago, IL | USA | 5,486 | |
| Reijer Kok | 27 | Montfoort | NED | 7,500 | |
| hakan kökcü | 49 | Hannover | GER | 10,000 | |
| Ben Kokoruwe | 55 | Bromley | GBR | 5,000 | |
| Max Kokurin | 35 | Glenville, NY | USA | Aqueduct Rowing Club | 10,614 |
| Ivan Kolar | 53 | Smederevo | SRB | Long Beach Rowing Association | 26,364 |
| Drago Kolar | 61 | Münster | GER | 10,036 | |
| James Kolb | 68 | Jacksonville beach, FL | USA | Jacksonville Rowing Club | 10,000 |
| Herb Kolbe | 73 | Pittsburgh, PA | USA | 7,076 | |
| Lukas Kolberg | 34 | Hamburg | GER | 5,788 | |
| Dawid Kolbon | 41 | GER | 8,565 | ||
| Jade Koldingnsæs | 27 | Revetal | NOR | 5,000 | |
| Lisette Kolenbrander | 50 | NED | 10,051 | ||
| George Kollias | 52 | Athens | GRE | 8,000 | |
| colleen kolling | 63 | USA | 12,553 | ||
| Kim Kolody | 52 | Chicago, IL | USA | 5,000 | |
| An Komatsubara | 26 | JPN | Nippon Sport Science University | 12,972 | |
| Gregory Kondrasuk | 57 | Minneapolis, MN | USA | 6,921 | |
| Marek Konieczny | 64 | SUI | 6,849 | ||
| Kai König | 59 | Wesel | GER | 13,044 | |
| Mary Konrad | 67 | Waco, TX | USA | 3,820 | |
| Lucas Konrad-Parisi | 25 | Verona, NJ | USA | 5,009 | |
| Ralf Konvalinka | 51 | GER | 11,117 | ||
| Karl Konzert | 56 | Appiano BZ | ITA | 21,100 | |
| hans kooijmans | 64 | NED | 5,135 | ||
| Kayla Koon | 41 | USA | 6,210 | ||
| Scott Koon | 44 | USA | 3,995 | ||
| Linnea Koons | 68 | Readfield, ME | USA | 12,084 | |
| David Koons | 61 | CO | USA | 5,260 | |
| Jessica Koontz | 45 | WA | USA | 3,000 | |
| Andrzej Kopel | 37 | Kraków | POL | 10,000 | |
| Richard Kopelman | 63 | Atlanta, GA | USA | Atlanta Rowing Club | 7,970 |
| Chris Kopf | 57 | USA | 6,950 | ||
| Torsten Koplin | 57 | GER | 35,863 | ||
| Kaido Koppel | 54 | EST | 10,000 | ||
| Kurt Köppel | 72 | Widnau | SUI | 5,000 | |
| David Koppel | 64 | USA | 4,771 | ||
| katharina koppitz | 49 | GER | 10,233 | ||
| Peter Korg | 48 | Athens | GRE | 9,000 | |
| Ilkka Korhonen | 48 | Helsinki | FIN | 15,232 | |
| Sunim Koria | 41 | Lutterworth | GBR | 7,500 | |
| Markus Kormann | 57 | 🦦 | AUT | 7,532 |