May 6: Wins Kentucky Derby by 6½ lengths for sixth straight win.
May 20: Breaks down at start of Preakness; shatters three bones in right hind leg.
May 21: Undergoes five-plus hours of surgery at New Bolton Center in Kennett Square, Pa.; surgeon Dean Richardson calls chance of survival a "coin toss."
May 22: With a fiberglass cast from hock to hoof, settles into stall in intensive care unit.
May 27: Fitted with special three-part, glue-on horseshoe for left hind hoof, helping reduce risk of laminitis.
May 29: Stall at Fair Hill in Elkton filled by half-brother, Man in Havana.
May 30: Jockey Edgar Prado visits; Richardson says recovery still months away.
June 10: Stands in stall as Jazil wins Belmont Stakes.
June 13: Placed under general anesthesia to have cast changed for first time; Richardson says "his leg looks excellent."
July 3: Cast is replaced for the second time; two bent screws are replaced and three new ones are added across the pastern joint.
July 5: Cast is replaced for a third time because of discomfort; receives treatment for a small infection on the sole of uninjured left hind hoof.
July 8: Develops "potentially serious" complications to his injured leg, and undergoes surgery to treat a new infection; the infection developed in the leg where a titanium plate and 27 screws were inserted. Cast is replaced for the fourth time, this time with a longer one that provides additional support; doctors replace the plate and many of the screws.
July 9: Develops "potentially serious" complications to his injured leg, and undergoes surgery to treat a new infection; the infection developed in the leg where a titanium plate and 27 screws were inserted.
July 10: Cast is replaced for the fifth time -- his sixth overall -- this time a shorter one. Richardson says he thinks the horse is going to have "some tough days ahead."
July 11: An infection -- which turns out to be laminitis -- discovered in left hind hoof.
July 28: Infection in left hind hoof appears under control.
Aug. 3: Left hind hoof showing signs of growth.
Aug. 10: During this week, takes first steps outside, grazing outside intensive care unit.
Sept. 19: Boot on left hind hoof replaced by a bandage.
Nov. 6: Cast removed from right leg. Left hoof appears healed.
Dec. 19: Examined by equine podiatrist. His owners remain hopeful of moving him to a new home after treatment at New Bolton ends.
Jan. 10: Foot cast applied to left hind foot Jan. 3 is removed and damaged tissue cut out.
Jan. 13: Surgery removes part of damaged hoof wall on left hind foot.
Jan. 24: To reduce weight bearing on his right hind hoof, fitted with a brace, with pins inserted in his cannon bone, one of those originally broken in the Preakness.