A product engineer at HOKA took down UTMB over the weekend, Addy Wiley broke the American 1000m record, and this is the year of the women's 1500.

Bor won in 58:09, breaking Matt Tegenkamp's championship record of 58:30 from 2012 and said he want to break Ryan Hall's 59:43 half-marathon record in Valencia. Nathan Martin was 2nd in 58:26 while D'Amato won in 1:06:25 over Jess McClain (1:06:50). *Results *MB: Bor and D'Amato win USATF national titles in the 20K - Bor says he wants the American half-marathonr record in Valencia

• Men's Video Highlights
• Women's Video Highlights

D'Amato was the top American finishing in 69:12. On the men's side, former NCAA XC champ Patrick Tiernan was 2nd (61:56) and Sam Chelanga was the top American in 7th (62:49).

Amane Beriso Shankule capped an amazing personal calendar year of running to become the World Champion as Gotytom Gebreslase got silver and Fatima Gardadi of Morocco prevented the Ethiopian sweep. Lindsay Flanagan led the Americans in 9th.

D'Amato was 8th last year as a last-minute replacement and is coming off a 66:39 AR in the half on July 1.

Eight months after Emily Sisson broke D'Amato's American record in the marathon, D'Amato broke Sisson's American record in the half.

Jepchirchir is out with an injury and D'Amato will take her place just six weeks after running 2:21:48 at the Berlin Marathon. Last year's top American at NYC (4th place overall) Elkanah Kibet also withdrew from the race.

For the first time in a generation, an American is the favorite at a World Marathon Major.

• MB: For the 1st time in 15+ years, an American is favored to win a major marathon? Will Keira D'Amato pull it off?

D'Amato and Sisson both broke the course record as D'Amato beat out Sisson 1:04:29 to 1:04:35. Mantz ran 59:08 to win over Leonard Korir (59:13) and Sam Chelanga (59:15).

For the first time in a LONG time, an American is the #1 seed at a marathon major. When's the last time that was true?

D'Amato ran 2:19:12 in Houston in January but wants to go even faster in Berlin on September 25.

Sara Hall (2:22:10), Emma Bates (2:23:18 pb), and Keira D'Amato (2:23:34) posted the best finish ever by a US women's marathon team at Worlds.

From the hardest workouts they've ever run to Kastor being at peace with losing the record to D'Amato's response to those who would question her improvement, the two marathon stars covered it all.

After walking and stuffing her face with gummy bears of the final miles, D'Amato had to sprint to outkick the 3:50 pace group in her debut at the 2013 Missoula Marathon. Less than nine years later, she ran 2:19:12 to break the American record.

Three years ago, Keira D'Amato was driving Deena Kastor around at the Cherry Blossom race. Now she's got Deena's American marathon record.

Keira D'Amato, the new American record holder in the marathon, was joined by Deena Kastor, who held the record for 15 years.

This morning Keira D'Amato, the 37-year old mother of two who spent 7 years away from the sport, became an American distance running legend.