Tiyouri is a native of Kfar Saba, Israel. Her parents are Gideon and Irit Tiyouri. She attended Galili High School.
College
Tiyouri studied at the University of San Francisco, majoring in Exercise and Sport Science. She competed with the San Francisco Dons as a member of four consecutive WCC cross country champion teams, made two trips to the NCAA Cross Country Championships with the team, and made two 10,000-meter semifinal appearances. She graduated in 2014. In 2011 Tiyouri was the top runner at the West Coast Conference Individual Championship with a time of 35:16.57 in the 10,000 m, and in 2012 she won the West Coast Invitational 10,000 m. In 2013, she came in third in the 1500 m with a time of 4:31.91 at the Brutus Hamilton Invitational and second in the 5000 m at the West Coast Invitational 11 May with a time of 16:30.35, and in 2014 she came in second in the 3000 m at the Cal Opener with a time of 9:40.32. She was First Team All-West Coast Conference in 2010, 2011, and 2013, and All-West Coast Conference Honorable Mention in 2013. In 2013, she received the Breakthrough Performance Award at University of San Francisco. She became the second Olympian, following Haley Nemra who represented the Marshall Islands in the 2008 and 2012 Olympic Games in the women's 800 meters, to come out of the university's track & field team coached by Helen Lehman-Winters. Tiyouri was one of three University of San Francisco alumni to compete in the 2016 Olympics, joined by basketball player John Cox and synchronized swimmer Mariya Koroleva.
She is a three-time Israeli national champion: in 2013 in the 1500 m and 5000 m, and in 2015 in the 1500 m. Tiyouri is also the Israeli record holder in the 5000 m, with a time of 16:08.83 set at the 2015 Mt. SAC Relays.
At the 2015 European Games, Tiyouri was second in the 1500 and 3000, helping Israel win the bronze medal. On 29 May 2016, she finished the Ottawa Marathon, her first-ever marathon, with a time of 2:42:20 hours, and placed 7th. On the basis of her time, she qualified to represent Israel at the 2016 Summer Olympics.
Olympics
Tiyouri qualified to represent Israel at the 2016 Olympics in the women's marathon in Rio de Janeiro. She finished with a time of 2:47:27 hours, 90th out of 133 competitors, as the race was won by Jemima Jelagat Sumgong of Kenya in a time of 2:24:04 hours.
