| Current position | |
|---|---|
| Title | Running backs coach |
| Team | South Carolina |
| Conference | SEC |
| Biographical details | |
| Born | July 29, 1979 St. Petersburg, Florida, U.S. |
| Alma mater | University of South Florida |
| Playing career | |
| 1999–2002 | South Florida |
| 2003 | New York Jets |
| 2003 | Tampa Bay Storm |
| 2004 | Tampa Bay Buccaneers |
| 2005 | Montreal Alouettes |
| 2006 | Alabama Steeldogs |
| Position(s) | Quarterback |
| Coaching career (HC unless noted) | |
| 2006 | Tampa (FL) Freedom HS (OC) |
| 2007–2008 | Tampa (FL) Freedom HS |
| 2009–2011 | South Florida (QC) |
| 2012 | Western Kentucky (RB) |
| 2014 | St. Petersburg (FL) Lakewood HS (AHC/OC) |
| 2015 | Florida (QCS) |
| 2016–2017 | Toledo (RB) |
| 2018 | West Virginia (RB) |
| 2019 | Houston (co-OC/QB) |
| 2020–2021 | Houston (RB) |
| 2022 | Ole Miss (RB) |
| 2023 | Texas A&M (RB) |
| 2024–present | South Carolina (RB) |
| Administrative career (AD unless noted) | |
| 2013 | South Florida (DPD) |
Marquel Blackwell (born July 29, 1979) is a former American football quarterback and the current running backs coach for the University of South Carolina.