The real action may not get started until later in the week, but the 2013 NFL Combine officially begins on Wednesday with the first set of player arrivals. Live coverage of workouts on NFL Network is still a few days away, but Wednesday marks the first official day of this year's NFL Combine.

Below you can take a look at the 2013 NFL Combine schedule, which is broken down by day. Each group has four days' worth of activities, with things like interviews, medical examinations and testing highlighting the first three days. The final day for each group consists of on-field workouts (a.k.a. what fans actually care about). Take a look:

Feb. 20 (Wednesday)

• Day 1 Arrivals: Group 1 (PK, ST, OL), Group 2 (OL), Group 3 (TE)
• Travel, Registration, Pre-exam & X-ray, Orientation, Interviews (Day 1 Arrivals)
  

Feb. 21 (Thursday)

• Day 2 Arrivals: Group 4 (QB, WR), Group 5 (QB, WR), Group 6 (RB)
• Travel, Registration, Pre-exam & X-ray, Orientation, Interviews (Day 2 Arrivals)
• Measurements, Exams, Media, Interviews (Day 1 Arrivals)

Feb. 22 (Friday)

• Day 3 Arrivals: Group 7 (DL), Group 8 (DL), Group 9 (LB)
• Travel, Registration, Pre-exam & X-ray, Orientation, Interviews (Day 3 Arrivals)
• Measurements, Exams, Media, Interviews (Day 2 Arrivals)
• NFLPA Meeting, Psych Tests, PK/ST Workout, Bench Press, Interviews (Day 1 Arrivals)

Feb. 23 (Saturday)

• Day 4 Arrivals: Group 10 (DB), Group 11 (DB)
• Travel, Registration, Pre-exam & X-ray, Orientation, Interviews (Day 4 Arrivals)
• Measurements, Exams, Media, Interviews (Day 3 Arrivals)
• NFLPA Meeting, Psych Tests, Bench Press, Interviews (Day 2 Arrivals)
• Workout (timing, stations, skill drills), Departure (Day 1 Arrivals)

Feb. 24 (Sunday)

• Measurements, Exams, Media, Interviews (Day 4 Arrivals)
• NFLPA Meeting, Psych Tests, Bench Press, Interviews (Day 3 Arrivals)
• Workout (timing, stations, skill drills), Departure (Day 2 Arrivals)

Feb. 25 (Monday)

• NFLPA Meeting, Psych Tests, Bench Press, Interviews (Day 4 Arrivals)
• Workout (timing, stations, skill drills), Departure (Day 3 Arrivals)

Feb. 26 (Tuesday)

• Workout (timing, stations, skill drills), Departure (Day 4 Arrivals)

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