Group 1 (Special Teams/Offensive Line), Group 2 (Offensive Line), Group 3 (Running Backs)
-Tuesday, 23 February - Travel to Indianapolis, Pre-Examination, X-Rays, Orientation, Interviews
-Wednesday, 24 February - Measurements, Medical Examination, Media, Interviews
-Thursday, 25 February - NFLPA Meeting, Psychological Testing, PK/ST Workout, Bench Press, Interviews
-Friday, 26 February - On-field workouts
Group 4 (Quarterbacks/Wide Receivers, Group 5 (Quarterbacks/Wide Receivers), Group 6 (Tight Ends)
-Wednesday, 24 February - Travel to Indianapolis, Pre-Examination, X-Rays, Orientation, Interviews
-Thursday, 25 February - Measurements, Medical Examination, Media, Interviews
-Friday, 26 February - NFLPA Meeting, Psychological Testing, Bench Press, Interviews
-Saturday, 27 February - On-field workouts
Group 7 (Defensive Line), Group 8 (Defensive Line), Group 9 (Linebackers)
-Thursday, 25 February - Travel to Indianapolis, Pre-Examination, X-Rays, Orientation, Interviews
-Friday, 26 February - Measurements, Medical Examination, Media, Interviews
-Saturday, 27 February - NFLPA Meeting, Psychological Testing, Bench Press, Interviews
-Sunday, 28 February - On-field workouts
Group 10 (Defensive Backs), Group 11 (Defensive Backs)
-Friday, 26 February - Travel to Indianapolis, Pre-Examination, X-Rays, Orientation, Interviews
-Saturday, 27 February - Measurements, Medical Examination, Media, Interviews
-Sunday, 28 February - NFLPA Meeting, Psychological Testing, Bench Press, Interviews
-Monday, 29 February - On-field workouts
Also, some interesting reading:
http://www.rotoworld.com/articles/cfb/60578/351/2016-nfl-combine-preview