In what was the biggest upset of the weekend at the JAAA Puma National Senior and Junior Championships, Demisha Roswell upstaged her more fancied rivals to win her first senior national women's 100m hurdles title, clocking a new personal best of 12.40 seconds.

The former Vere Technical and Texas Technical athlete was on cloud nine about turning back the likes of defending champion Megan Simmonds, World Championships representative Amoi Brown, and two-time World Under-20 champion Kerrica Hill. Roswell looked poised throughout and won going away in the event. She now sits fourth in the world behind world leader Masai Russell of the United States (12.14), world record holder Tobi Amusan of Nigeria (12.28) and two-time World Indoor champion Devynne Charlton of The Bahamas (12.37).

"I am feeling joyful and blessed to win my first national title. Coming to the championships, I was very confident as I was well prepared and determined to come out on top. There were some amazing athletes in the race, but my focus was on my lane and the 10 barriers ahead of me, and it was all about execution," said Roswell, who stated that she was even more motivated after her win at the Lone Star USATF Meet in College Station, Texas, where she turned back a quality field, including Jamaica's Ackera Nugent.