After 42 years, the most controversial mark in the U.S. record books is gone. Sam Mattis launched a 72.45m bomb in Ramona to take down Ben Plucknett’s steroid-tainted record, but given the massive "Ramona wind", should this record have an asterisk* attached to it like Plucknett's?

• Sam Mattis breaks 43-year-old doped up US discus record, 72.45 in Ramona
• The throws should have wind limits like sprints for records - Why don't they?

Both men narrowly missed Hicham El Guerrouj's WR of 3:43.13 as Nuguse smashed Alan Webb's 3:46.91 American record.

Nuguse's 3:33.22 en route split was faster than Bernard Lagat's 3:33.34 from 2005.

Grant Fisher obliterated Bernard Lagat's American record at 5000, but had to settle for 2nd as Jacob Krop ran a 12:45 WL.

Shane Streich who had never run a 1,000m race in his life until today is now your new American record holder.

They crushed the previous North American record of 14:47.62 set by Shalane Flanagan with amazing closing splits. A week ago, GDS ran 8:33.92 to take 12+ seconds off the Canadian indoor 3,000-meter record. Tonight, she ran her final 3k in 8:30.83 -- almost as fast as the open personal bests of Jenny Simpson (8:29.58) and Shannon Rowbury (8:29.93), with a final 1600 of 4:25.72 and last lap of 30.81.

• Stacked Boston 5000: Ahmed, Fisher, Kincaid, Mantz; GDS, Cranny, Frerichs, Kelati, Henes
• Holy Smokes! GDS 14:31, Cranny 14:32!

You can watch it live tonight at 9:10 pm Pacific on youtube.

Get the inside scoop on the record attempt which will take place at 9:10 pm Pacific.

Highlights of Shelby's Big Talk with the LetsRun.com Track Talk Podcast after her American record run.

Karissa Schweizer pulled the huge upset to get the American record over Shelby Houlihan.

What a race!

It was six-days years ago yesterday that Solinsky shocked everyone by becoming the first non-African born runner to go under 27-minutes.

Shalane Flanagan is your new American 10km road record holder! Interview with her and coach Jerry Schumacher.

Lagat ran 13:19 to "break" Marc Davis’ 13:24 from 1996. Now Davis' mark will stand. It's a shame because Lagat broke the mark by 5-seconds and 13.5-feet is nothing, not even a full second at that pace.

Coburn: “I’m from Colorado and I like cold weather so it was pretty perfect and the crowd was cheering for me and I felt like a home athlete even though I’m from across the pond.”

A focus on competition, not time gave Coburn the AR: "The goal was to win...When I got in the start line, I was just thinking to put the hammer down, go hard not necessarily for the record but to break my opponents."