The Denver Broncos' 2013 offseason has been underway (unfortunately) since January 12, 2013. The offseason workout program will start up April 15th.
The Broncos' nine-week offseason workout program will run from April 15 to June 13, and the Broncos' mandatory minicamp will take place June 11-13. Here are exact dates from the mothership:
April 15-18, April 22-25 - Phase One. No helmets, no coaches, strength and conditioning only, and quarterbacks can throw to uncovered receivers.
April 29-May 2, May 6-9, May 13-16, May 23 - Phase Two. Coaches are back, still no helmets, receivers can be covered as long as it isn't bump-and-run, no team drills.
May 10-12 - Rookie minicamp. Both drafted and undrafted rookies report with three days of practice.
May 20-22, May 29-31, June 3-6 - Phase Three - Organized Team Activities (OTAs). Helmets on, no pads, no contact, but team drills are allowed.
June 11-13 - Mandatory minicamp. Two-a-day, required practices. No contact, no pads.