Kansas City Chiefs have beaten San Francisco 49ers 25-22 in overtime to secure their second consecutive Super Bowl title and cement their status as the National Football League's latest dynasty.
The Chiefs have now won three Super Bowls in five years and are the NFL's first repeat champions since New England Patriots in February 2005.
After 49ers rookie kicker Jake Moody booted a field goal to open overtime, Chiefs quarterback Patrick Mahomes marched down the field and finished the game with a three-yard touchdown pass to Mercole Hardman.
The Chiefs join Pittsburgh Steelers of the 1970s, Dallas Cowboys of the 1990s, and New England Patriots of the 2000s and 2010s, as the only NFL teams to win three Super Bowls in a five-year span.
Mahomes was 34-of-46 passing for 333 yards, two touchdowns and one interception, as the Chiefs won their third Super Bowl in the past five seasons. Two of their victories have come against the 49ers.
Travis Kelce caught nine passes for 93 yards and Marquez Valdes-Scantling also caught a touchdown pass for Kansas City. Harrison Butker tied a Super Bowl record with four field goals, including a record 57-yarder just one quarter after San Francisco's Jake Moody set the mark with a 55-yard kick.
Brock Purdy completed 23 of 38 passes for 255 yards and one touchdown for the 49ers. Christian McCaffrey had 160 scrimmage yards (80 rushing, 80 receiving) to go with a touchdown catch, while Jauan Jennings threw a touchdown pass and caught another for San Francisco, which last won a Super Bowl in the 1994 season.
Moody kicked a 27-yard field goal with 7m 22s left in overtime to give the 49ers a three-point lead. He also booted a 53-yard field goal with 1m 53s remaining in regulation to give the 49ers a 19-16 advantage.
The Chiefs rallied to force overtime on Butker's 29-yarder with three seconds left. Steve Christie of the Buffalo Bills set the former long mark with a 54-yarder against the Dallas Cowboys in Super Bowl XXVIII on January 30, 1994.
Mahomes connected with a wide-open Valdes-Scantling to give Kansas City its first lead of the contest at 13-10, with 2m 28s left in the third quarter.
San Francisco recovered to take a 16-13 lead on Purdy's 10-yard touchdown pass to Jennings with 11m 22s remaining in the game, but Moody's extra point was blocked by Kansas City's Leo Chenal.
The missed point was magnified, when Butker kicked a 24-yard field goal to tie the score with 5m 46s remaining in the fourth quarter.
Moody broke the record with a 55-yard field goal 12 seconds into the second quarter for the points of the game.
San Francisco stretched the lead to 10, when Purdy threw a lateral to his left to Jennings, who then threw a toss all the way back to the other side of the field. McCaffrey caught it and easily sped ahead to score the game's first touchdown with 4m 23s left in the half.
Kansas City finally got on the board on Butker's 28-yard field goal with 20 seconds left in the half. His recordsetting boot in the third quarter cut the Chiefs deficit to 10-6.
Kansas City Chiefs 25 (Valdes-Scantling & Hardman touchdowns, Butker four field goals and extra point) San Francisco 49ers 22 (McCaffrey & Jennings touchdowns, Moody three field goals & extra point)