Earth Day Challenge
April 22
| Name | Age | Location | Country | Affiliation | Distance |
|---|---|---|---|---|---|
| Thomas Hudak | 56 | Pittsburgh, PA | USA | Potomac Boat Club | 8,644 |
| Benjamin Hudnall | 37 | USA | 4,496 | ||
| Hannah Hudnall | 37 | USA | 6,419 | ||
| Daniel Hudson | 45 | Janetville, ON | CAN | 10,346 | |
| Suzanne Hudson | 63 | Morrisville, VT | USA | Concept2, Inc, Morrisville, VT | 6,345 |
| Mark Hudson | 53 | Pulborough | GBR | GARAGEATHLETE | 15,091 |
| Bill Hudson | 63 | Ocean City, MD | USA | 10,022 | |
| Evan Hudspeth | 55 | Edgewater, MD | USA | U.S. Coast Guard Academy | 7,225 |
| Peter Huefner | 58 | Powell, OH | USA | 11,126 | |
| John Huelsenbeck | 60 | Berkeley, CA | USA | 7,152 | |
| Michael Hüer | 47 | GER | 6,576 | ||
| Martin Huertgen Dr. med. | 68 | Koblenz | GER | 10,000 | |
| Brad Huff | 63 | USA | 5,722 | ||
| James Huffaker | 59 | USA | 3,622 | ||
| Scott Huffman | 52 | USA | 5,706 | ||
| Paul Philipp Hug | 48 | SUI | 14,401 | ||
| Markus Hugenschmidt | 45 | AUS | 4,752 | ||
| Angela Hughes | 51 | USA | Crossfit Cove Columbia | 6,130 | |
| David Hughes | 59 | Denver, CO | USA | 10,000 | |
| Susan Hughes | 66 | GBR | 11,426 | ||
| William Hughes | 76 | Lake Las Vegas, NV | USA | 5,000 | |
| jim hughes | 55 | GBR | 13,550 | ||
| Adam Hughes | 45 | DE | USA | 6,054 | |
| David Hughes | 38 | London | GBR | 10,000 | |
| Hannele Hughes | 26 | GBR | 16,860 | ||
| Craig Hughes | 49 | Port Lincoln | AUS | 6,082 | |
| Edward Hughes | 60 | Lincolnshire, IL | USA | U.S. Marines | 5,000 |
| Ginny Hughes | 54 | Prestatyn | GBR | 9,000 | |
| Tom Hughes | 41 | USA | 5,013 | ||
| Darren Hughes | 57 | GBR | Royal Air Force (UK) | 10,133 | |
| Laura Hughes | 38 | Shetland | GBR | 15,014 | |
| Jason Hughson | 45 | USA | 5,530 | ||
| Martin Hugo | 51 | RSA | 7,000 | ||
| Manu Hugon | 40 | USA | 19,750 | ||
| Fernando Huh | 50 | USA | 5,747 | ||
| Kevin Huhn | 38 | West Hartford , CT | USA | 8,595 | |
| Wolfram Huhn | 52 | Berlin | GER | Akademischer Ruderclub Würzburg (ARCW) | 11,984 |
| Mary Hui | - | CAN | 3,444 | ||
| Nic Huiskes | 44 | Amsterdam | NED | 7,207 | |
| Brett Huisman | 59 | USA | 6,591 | ||
| Lacey Hulbert | 42 | UT | USA | 8,895 | |
| Andrew Hull | 51 | GBR | 12,000 | ||
| Hans Hulleman | 70 | Deventer | NED | Daventria, R&ZV | 6,607 |
| Keet Margriet Hülsdau | 43 | GER | 5,037 | ||
| Oliver Hülshorst | 46 | Verl | GER | 10,069 | |
| Deo Human | 52 | Saint Severin | UAE | 13,514 | |
| David Humble | 82 | St. Catharines, ON | CAN | 10,000 | |
| Sean Humby | 62 | GBR | 7,447 | ||
| charlie hume | 40 | GBR | 5,000 | ||
| Michael Humer | 64 | Kelowna, BC | CAN | 15,613 |