Camila Domonoske

It took nearly four decades, but a horse has once again attained the honor that some call the most difficult achievement in sports: American Pharoah, after winning the Kentucky Derby and the Preakness Stakes, ran to victory in the Belmont Stakes as well.

He's the first Triple Crown winner since 1978. With his win, a total of 12 horses have now achieved the feat.

American Pharoah took the lead early in the mile-and-a-half long race, with Frosted close on his tail. From there, the colt never gave up the front position.

Updated at 11:40 a.m. ET

U.S. Secretary of State John Kerry has broken his leg in a bike crash outside of Geneva, the State Department has confirmed.

"Secretary Kerry broke his right femur in a bicycling accident this morning in Scionzier, France," State Department spokesman John Kirby says.

Updated at 7 p.m. EDT

Amtrak will be restoring rail service between Philadelphia and New York at 5:30 Monday morning, the rail service announced Sunday.

Service between the two cities had been shut down since Tuesday, when train 188 derailed in Philadelphia, killing eight and wounding more than 200.

The affected section of track is part of the Northeast Corridor — the busiest railroad in America.

American Pharoah is the king of the nation's horse races this month: in a driving rain, the Kentucky Derby winner took home top prize at the Preakness Stakes Saturday.

Ridden by Victor Espinoza, he left the other horses at Pimlico Race Course eating his mud; with an unofficial time of 1:58.46, he led by an impressive seven lengths.

If he can win the Belmont Stakes on June 6, he'll be the first Triple Crown winner since 1978.

American Pharoah, ridden by Victor Espinoza, has won the 141st Kentucky Derby with a time of 2:03:02.

He raced to victory before the largest Derby crowd ever — 170,513, reports The Associated Press.

American Pharoah, owned by Ahmed Zayat, was the favorite heading into the race at Churchill Downs in Louisville. He had to fight Firing Line and Dortmund for the victory; the three were neck-and-neck (and neck) for a stretch, but American Pharoah pulled ahead at the end. Firing Line came in second.

Jordan Spieth, 21, has won the Masters with a record-tying score, 18 under par.

Spieth led from the first round of the tournament in Augusta, Ga. — a feat last achieved by Raymond Floyd in 1976.

On Sunday, reports the AP, no other contender truly threatened Spieth's dominance:

No one got closer than three shots of the lead all day. Spieth shot a 2-under 70 to hold off Justin Rose and Phil Mickelson.

Rose, the 2013 U.S. Open champion playing in the final group of the major for the first time, and Mickelson were four shots back.

The University of Connecticut continues to dominate women's college basketball: The Huskies plowed past the University of Maryland and are headed to the NCAA women's basketball championship game, where they'll meet Notre Dame.

The Terrapins faced a daunting task heading into the game. Connecticut, the overall top seed for the tournament, stands far above the competition.

"The Huskies have won the last two titles and obliterated opponents in this tournament by an average margin of 41 points a game," NPR's Tom Goldman noted to our Newscast unit.

Wisconsin defeated Kentucky 71-64 in Saturday's nail-biter second Final Four game Saturday, breaking the Wildcats' winning streak; the Badgers meet Duke to play for the men's college basketball title.

The faceoff between Kentucky and Wisconsin, both top-seeded teams, was highly anticipated. On the line for the undefeated Wildcats: their shot at men's college basketball's first perfect season since 1976.

March Madness has begun: The NCAA has announced the seeds for the 2015 men's basketball tournament.

As expected, Kentucky is seeded first in the Midwest Region, and is also the top seed overall. If the thus-far undefeated team wins the tournament, they'll be the first undefeated men's basketball team in nearly four decades.

In the East, Villanova won the top spot; in the South, that went to Duke, and in the West, Wisconsin was seeded No. 1.

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A decade ago, Etsy launched as a way for crafters and DIY-ers to sell their handmade goods online. Now the New York-based e-commerce site has filed for an initial public offering.

Birdman or (The Unexpected Virtue of Ignorance) took home the best picture award at the 87th annual Academy Awards; the film also earned director Alejandro Gonzalez Iñárittu the Oscar for directing.

Julianne Moore won best actress for her work in Still Alice, and Eddie Redmayne won best actor for his role as Stephen Hawking in The Theory of Everything.

Other notable wins:

Big Hero 6 won for best animated feature film.

As a cold rain poured down, the New England Patriots crushed the Super Bowl dreams of the Indianapolis Colts with a 45-7 victory.

The Patriots established their lead early, scoring two touchdowns in the first quarter. The Colts scored one touchdown in the second quarter, but after a Patriots field goal, New England still entered halftime 10 points in the lead.

University of Oregon quarterback Marcus Mariota is the winner of this year's Heisman Trophy by a landslide. It's the first win for the Ducks.

The Associated Press reports:

"A pinpoint passer with wide-receiver speed, Mariota came into his junior the season as the favorite to win the Heisman and delivered a performance that turned the presentation ceremony into a foregone conclusion.

An Ohio State University student who went missing Wednesday was found dead Sunday, apparently from a self-inflicted gunshot wound, police say.

The Associated Press reports that Kosta Karageorge, 22, was a senior defensive tackle on the OSU football team and a former Buckeyes wrestler.

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