| Affiliation | Name | Age | Lane / Bow | Raw Time | Final Time | Difference |
| 01A. MEN'S CHAMPIONSHIP SINGLE - 10:45AM - FINAL |
| POTOMAC BOAT CLUB | P SHEPPARD | 35 | 6 | 18:04.90 | 18:04.90 | |
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| 01A. MEN'S GRAND MASTERS SINGLE - 10:45AM (50-54) AND (55-59) - FINAL |
| POTOMAC BOAT CLUB | D RADACK | 56 | 10 | 18:53.76 | 18:53.76 | |
| POTOMAC BOAT CLUB | J SOCOLOVSKY | 57 | 18 | 19:56.62 | 19:56.62 | 01:02.86 (5.54%) |
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| 01A. MEN'S SENIOR MASTER SINGLE - 10:45AM (40-49) - FINAL |
| POTOMAC BOAT CLUB | E GEHRES | 49 | 11 | 19:44.44 | 19:44.44 | |
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| 01A. MEN'S SENIOR VETERAN SINGLE - 10:45AM (70-74), (75-79), (80-84) - FINAL |
| POTOMAC BOAT CLUB | N PETERSON | 73 | 45 | 23:09.90 | 23:09.90 | |
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| 01A. MEN'S VETERAN SINGLE - 10:45AM (60-64) AND (65-69) - FINAL |
| POTOMAC BOAT CLUB | J FROEMMING | 62 | 19 | 20:10.55 | 20:10.55 | |
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| 01B. WOMEN'S CHAMPIONSHIP SINGLE - 10:45AM - FINAL |
| POTOMAC BOAT CLUB | M DEJA | 34 | 21 | 20:10.87 | 20:10.87 | |
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| 01B. WOMEN'S GRAND MASTERS SINGLE - 10:45AM (50-54) AND (55-59) - FINAL |
| POTOMAC BOAT CLUB | K LYONS | 56 | 30 | 21:10.40 | 21:10.40 | |
Occoquan Challenge 2021 - Affiliation View