Alessia Succo, in her first year as a student, who turned 16 two days ago and attends her second year of high school in Turin (Piedmont, Italy), took the satisfaction of achieving the best world U18 performance ever in the specialty by beating by 3 hundredths the 8.10 sealed in 2017 by France's Cyréna Samba-Mayela. Her previous performances had alr...