Here is a short list of some of Dennis’ most prolific awards and athletic achievements.
- 2012: Two Gold medals in Discus and Shot Put Throws F58 – US Paralympics Track and Field Championships, Indianapolis, Indiana
- 2011: Silver medal discus F58, Parapan American Games – Guadalajara, Mexico
- 2011: First place, Discus Throw F58 and a new American record in Shot Put F58– U.S. Paralympics Track & Field National Championships, Miramar, Florida
- 2011: First Place, Discus, Shot Put – Thunder in the Valley Games, Saginaw, Michigan
- 2011: First Place, Discus, Shot Put – Desert Challenge Games, Mesa, Arizona
- 2011 IPC Athletics World Championships Team Member, Christchurch, New Zealand. Ranked #4 in the world in Class F58
- 2010: First place, Discus Throw F58, Shot Put F58– U.S. Paralympics Track & Field National Championships, Miramar, Florida
- 2010: First Place, Discus, Shot Put – Thunder in the Valley Games, Saginaw, Michigan
- 2010: First place, Discus F58, Shot Put F58 – Boiling Point, Windsor, Canada
- 2008: Gold Medal, Discus, Shot Put, – Endeavor Games, Edmond, Oklahoma
- 2008: Athlete of the Year – Endeavor Games, Edmond, Oklahoma
- 2007: First place, Discus Throw F58, Shot Put F58 – U.S. Paralympics Track & Field National Championships, Atlanta, Georgia
- 2007: Gold Medal, Discus, Shot Put, – Endeavor Games, Edmond, Oklahoma
- 2006: First place, Discus Throw F58, Shot Put F58 – U.S. Paralympics Track & Field National Championships, Atlanta, Georgia
- 2006: Gold Medal, Discus, Shot Put, – Endeavor Games, Edmond, Oklahoma
- 2005: Gold Medal, Discus, Shot Put, Javelin – Endeavor Games, Edmond, Oklahoma
- 2004: First place, Discus, Shot Put – Toronto, Canada Opens, Toronto, Canada
- 2004: Gold Medal, Discus, Shot Put, Javelin – Endeavor Games, Edmond, Oklahoma