How are my extracurriculars? What are my chances?

This is a long post but thank you for your time! My current GPA is 3.67 with an MCAT score of 510.

Freshman Year:
Leadership Program (ELP)
Revelle Programming Board
Research Summer Intern

Sophomore Year:
Varsity Rowing Team
Hospital Volunteer
Revelle Programming Board
Shadowed an oncologist (summer)

Junior Year (Present):
I dropped the UCSD crew team because I felt that it limited my time and I wasn't able to fully pursue what I wanted.
Hospital Volunteer (Lead...

How are my extracurriculars? What are my chances?