Raven Saunders' world lead in the women's shot put and an unprecedented fourth title in the pentathlon by Kendell Williams highlighted the first day of action at the NCAA Division I Indoor Championships in College Station, Texas, on Friday (10).

The biggest shock of the NCAA Indoor Championships happened just 15 minutes into the programme on the first day of action in Birmingham, Alabama, on Friday (11).

World-leading marks by sprinter Trayvon Bromell, long jumper Marquis Dendy and hurdler Omar McLeod, as well as a 5.91m vault by Shawn Barber, provided the highlight of the two days of competition at the NCAA Indoor Championships, which finished in Fayetteville on Saturday night (14).

Championship records from US hurdler Kendell Williams and Cuban triple jumper Lazaro Martinez provided the highlights of the final day of the IAAF World Junior Championships, Oregon 2014 on Sunday (27).

Kendell Williams and Dior Hall ran the fastest times in the history of the event at the IAAF World Junior Championships to win gold and silver for the USA for the first time ever.

Young sprinters and hurdlers rewrote the record books, while Mary Cain confirmed her serious intentions at the under-20 level at the USA Junior Championships, held in Eugene on Saturday and Sunday (5-6).

Texas A&M University's women and the University of Oregon men secured prestigious NCAA (US collegiate) titles after four days of competition in Eugene on Saturday (14) but the headline story beyond US borders will be Trayvon Bromell's 100m world junior record* of 9.97 the previous evening.

Kendell Williams smashed the world indoor junior record* in the pentathlon to provide the highlight the NCAA Indoor Track & Field Championships in Albuquerque, New Mexico on Saturday (15).

One week after setting a world junior indoor 1000m record, USA’s Mary Cain came close to achieving the same feat in the mile at the Boston University Terrier Invitational on Friday (24).