April Fools' Challenge 2023
April 1–15
People with a streak of 15 days
| Name | Age | Location | Country | Affiliation |
|---|---|---|---|---|
| Rachael M | 13 | LA | USA | |
| Helen Mac | 41 | Sheffield | GBR | |
| Ron MacBruce | 68 | Brookfield, VT | USA | LUNA-TICS |
| Cheryl Mack | 58 | Edmonton , AB | CAN | |
| Bob Mackay | 60 | Wakefield | GBR | The Diamonds (Over Sixties Erging Group) |
| Alan MacMillan | 78 | Brantford, ON | CAN | Ancient Mariners - The Ancients Organization (TAO) |
| Jim MacPherson | 69 | Lansdale, PA | USA | The Diamonds (Over Sixties Erging Group) |
| Horst Maier | 62 | Neuötting | GER | GERMAN Rowers and FRIENDS United |
| Leon Mair | 37 | Solihull | GBR | British Army |
| Paul Malone | 48 | GBR | ||
| Michael Manning | - | GA | USA | |
| Patrick Mardis | 37 | USA | ||
| Marco Mardollo | 65 | Padova | ITA | The Diamonds (Over Sixties Erging Group) |
| Manuel Margine | 36 | Kitchener, ON | CAN | |
| Joanne Marriott | 84 | Arvada, CO | USA | |
| Guy Marshall | 49 | Colehill | GBR | |
| Janell Martin | 64 | CAPE GIRARDEAU, MO | USA | |
| Gary Martin | 62 | Troon | GBR | |
| Frank Marx | 52 | Düsseldorf | GER | Team Ruderathlet |
| Leonard Marx | 14 | GER | Team Ruderathlet | |
| Annegret Marx | 46 | Düsseldorf | GER | Team Ruderathlet |
| Robert Matecki | 48 | Gdynia | POL | Studium Wojskowe WSM |
| Maureen Mathews | 47 | VA | USA | |
| Laura Matson | 74 | Pottstown, PA | USA | Final Results Fitness |
| Ulf Mayer | 38 | Gengenbach | GER | EXR Rowing |
| Robert Mayhew | 62 | Farnham, QC | CAN | The Diamonds (Over Sixties Erging Group) |
| Mark Mayo | 53 | Harpers Ferry, WV | USA | RowAlong |
| Ruta Mazelis | 64 | Carrollton, OH | USA | |
| Will Mc Kenna | 80 | USA | The Diamonds (Over Sixties Erging Group) | |
| Kevin McAleese | 69 | Minneapolis, MN | USA | The Diamonds (Over Sixties Erging Group) |
| Brett McAllister | 36 | ID | USA | |
| Yadranka McAulay | 60 | Richmond, BC | CAN | TEAM MELALEUCA |
| Robert McBride | 53 | USA | ||
| Sinead McCaffrey | - | IRL | ||
| Donna McCarraher | 67 | USA | Final Results Fitness | |
| Keri McCarthy | 32 | USA | RowAlong | |
| Christine McClure | 61 | Eastport, ME | USA | Age Without Limits |
| Francie McComb | 56 | USA | ||
| Paul McCormick | 52 | Newcastle upon Tyne | GBR | |
| Brett McCrory | 46 | Aledo, IL | USA | LUNA-TICS |
| B McCrow | 54 | IRL | ||
| Dave McCulloch | 70 | Columbus, IN | USA | |
| Graeme McEvoy | 56 | Hampshire | GBR | |
| Kirsten McFadden | 68 | Bendigo, VIC | AUS | Team Diamonds |
| Michael McGinley | 46 | Mechanicsburg, PA | USA | |
| Colm McGuigan | 45 | Mornington , VIC | AUS | |
| Hugo McHugh | - | GBR | The Diamonds (Over Sixties Erging Group) | |
| Terry McIntyre | 74 | La Crosse, WI | USA | CannadMac |
| Doug McLaughlin | 71 | Lethbridge, AB | CAN | Team Canada |
| Jim McLaughlin | 68 | PV, NY | USA | The Diamonds (Over Sixties Erging Group) |