Track and Field

COACH COLLEEN MCKEON GIBB ’04, ASSISTANT COACH 

Colleen McKeon Gibb is an Assistant Coach for Cross Country, Indoor and Outdoor Track & Field at Gwynedd Mercy Academy High School and is in her fourth year with the program. She brings six years of coaching experience and supports student athletes across all three running seasons. Coach Gibb holds a degree in International Relations from Boston University and has continued her education in health coaching and holistic nutrition through the Trinity School of Natural Health and the American College of Healthcare Sciences.

Coach Gibb believes in supporting the whole student athlete, focusing on mental, emotional, and physical well-being. One of her proudest moments as a coach was the 2025 Outdoor Track and Field AACA League Championship, a celebration she describes as a core memory. She especially enjoys working with the driven, multi-talented athletes at Gwynedd Mercy and finds it rewarding to watch them succeed both in athletics and in other areas of school life. Outside of coaching, she enjoys traveling with her husband, Bryan, and their three children.

COACH BRENNAN MARION P'23, '28, HEAD THROWS COACH 

Brennan Marion P'23, '28 is the throws coach for the Gwynedd Mercy Academy High School track and field team and is in his sixth year of coaching. As a student-athlete, he competed at West Point from 1986 to 1987 in the javelin throw and later earned an MBA from Penn State University. A highlight of Coach Marion’s coaching career is the opportunity to coach both of his daughters at GMAHS and coaching Emma Morgan '27 ,who has has broken the school record in discus and has qualified for States and Nationals in shot put and discus. Coach Marion emphasizes consistent, year-round hard work to achieve incremental improvement, which over time translates into better performance for his athletes. One thing he enjoys most about GMAHS athletes is their focused attitudes and willingness to put in the effort necessary for success. His favorite quote is, “How you do anything is how you do everything.”