Dale Hartt has three losses against three opponents on his MMA record. For a list of Hartt's best fights, refer to "Best fights of Dale Hartt".
On June 18, 2010 Dale Hartt fought Guillaume DeLorenzi in a lightweight title fight for DeLorenzi's Ringside MMA Championship title. Hartt was 31 years old and with a record of 6-3 (6). Hartt lost the fight via 2nd-round TKO.
On June 13, 2009 Dale Hartt faced off against Dennis Siver in a lightweight bout at age 30. He was coming in with a record of 6-2 (6), and Siver was 30 years old and with a record of 13-6 (11). Hartt lost the fight via 1st-round submission.
On July 19, 2008 Dale Hartt faced off against Shannon Gugerty in a lightweight bout at age 29. He was coming in with a record of 5-1 (5), and Gugerty was 26 years old and with a record of 10-2 (10). Hartt lost the fight via 1st-round submission.
