2021 Jr. Iditarod Mushers
| Entrant # | Bib # | Musher Name | Sex | City | State | Country | Status |
|---|---|---|---|---|---|---|---|
| 5 | 2 | Ava Moore Smyth | F | Willow | AK | USA | Rookie |
| 3 | 3 | James Shawcroft | M | Fairbanks | AK | USA | Rookie |
| 8 | 4 | Jessica Dixon | F | Fairbanks | AK | USA | Rookie |
| 1 | 5 | Ellen Redington | F | Wasilla | AK | USA | Rookie |
| 2 | 6 | Morgan Martens | M | Brule | WI | USA | Rookie |
| 9 | 7 | Anna Coke | F | Wasilla | AK | USA | Veteran |
| 7 | 8 | Cassidy Meyer | F | Fairbanks | AK | USA | Veteran |
| 4 | 9 | Hannah Wappett | F | Fairbanks | AK | USA | Rookie |
| 10 | 10 | Kristal Hanson | F | Anchorage | AK | USA | Veteran |
| 6 | 11 | Jace Cogdill | M | Willow | AK | USA | Rookie |
| 1 | Eva Robinson | F | Cavalier | ND | USA | Rookie | |
| 3 | Emily Robinson | F | Nenana | AK | USA | Rookie | |
| 4 | Joachim Labrecque | M | Willow | AK | USA | Rookie |
Mushers Withdrawn
| Musher Name | Sex | City | State | Country | Status |
|---|---|---|---|---|---|
| Sawyer Brown | M | Ester | AK | USA | Rookie |
| Johanna Badalich | F | Anchorage | AK | USA | Veteran |
| Pete DeMers | M | Healy | AK | USA | Rookie |