La Costa Canyon Lacrosse is excited to welcome back Coach Dallas Hartley as Head Coach of the Mavericks! Coach Hartley returns as Head Coach with a record of success, a deep connection to the program, and a passion for developing student-athletes. Coach Hartley has spent more than two decades teaching in the San Dieguito Union High School District, including teaching at LCC from 2004–2010 and 2017 to the present. The Hartleys are proud longtime La Costa residents.
High School Coaching Career
Coach Hartley has previously led the Mavericks as Head Coach from 2003–2010 and in 2024 and 2025, and as an Assistant Coach in 2023 and 2026, compiling an overall record of 166–42 as a Head Coach and helping to establish and maintain LCC as one of the premier high school lacrosse programs in California.
- 4 CIF Championships (2005, 2006, 2008, 2010)
- 7 North County Conference Championships
- 10 San Diego CIF Championship game appearances (2003–2010 and 2024–2025)
- 2 undefeated seasons: 24–0 in 2005 and 23–0 in 2010
- 2 California State Team Academic Championships (2009, 2010) for the highest team GPA in California
- Inducted as a coach into the LCC Lacrosse Hall of Fame in 2011
College Coaching Career
Following his first tenure at LCC, Coach Hartley became Head Coach of the Chapman University Panthers, leading the program from 2011–2022. He compiled an outstanding 163–48 record and established Chapman as a national powerhouse in the Men’s Collegiate Lacrosse Association (MCLA).
- 4 SLC Championships (2011, 2016, 2018, 2019)
- 11 consecutive MCLA National Tournament appearances
- 7 consecutive MCLA Final Four appearances (2014–2021)
- 4 MCLA National Championship game appearances (2016, 2017, 2018, 2021)
- 2016 MCLA National Champion
- 2016 MCLA Coach of the Year
Playing Career
Coach Hartley’s lacrosse journey began in 1996 as a midfielder at San Dieguito High School in Encinitas, just before LCC opened its doors in 1997. He went on to play long-stick midfield at Sonoma State University from 1997–2000, earning numerous individual honors, including three first-team All-WCLL honors, two first-team MCLA All-America honors, and two first-team All-MCLA Tournament honors. His playing career earned him induction into the Sonoma State University Lacrosse Hall of Fame in 2005 and the MCLA Hall of Fame in 2022.
The Next Chapter Starts Now!
Coach Hartley’s return includes bringing back the same assistant coaching staff from the 2026 season: Reid Tudor, John Messina, Greg Jackson, and Jimmy Gillan. This staff brings a deep-rooted connection to LCC, a proven winning track record, and a commitment to helping young men reach their full potential on and off the field. We are ready to build on LCC lacrosse tradition, compete at the highest level, and create something special together.
