The 30-year-old from Guelph, Ont., Ran 31 minutes 13.94 seconds to win by more than seven seconds. Natasha Wodak set the previous national record of 31: 41.59 in 2015.
The Olympic standard is 31:25.
Seccafien, a quadruple Canadian champion over 5,000 years old, lives and trains in Melbourne, Australia, and like many Canadian track and field athletes, has traveled to the United States in recent weeks in the hope of upholding the Olympic standard or to improve before Tokyo. Games.
Seccafien also holds the Canadian record for the half marathon.
Wodak ran the Olympic standard in the Arizona Marathon in December.
Gabriela DeBues-Stafford and Melissa Bishop-Nriagu were among the top Canadian women to compete in the Sound Running competition on Saturday.