Thomas won the 40-44 age group, finishing in 4:15:6. He finished the 1.2-mile swim in 29:14, the 56-mile bike ride in 2:19:14 and the 13.1-mile run in 1:24.10.
Earlier this summer, Thomas won the KIC It Triathlon in Stamford and also captured the Pat Griskus Olympic distance triathlon for a sixth straight year.
Thomas qualified for the Ironman World Championships earlier this year. He is the owner of Personal Training Professionals in Southport.
Click here to sign up for Daily Voice's free daily emails and news alerts.