Radchenko returned to the Varsity Blues program having previously served as an assistant coach with the U of T cross country and track and field teams between 2012-2021. Primarily working with the middle distance and distance runners, U of T saw plenty of team success under his stewardship, winning three U SPORTS Women's Track & Field Championship titles (2015, 2016, 2017) and the 2017 U SPORTS Women's Cross Country Championship. Additionally, he assisted with oversight of the University of Toronto Track and Field Club (UTTC) and Junior Blues programs.
Radchenko has served as head coach of the University of Guelph cross country teams and associate head coach with the Gryphons track and field teams since 2021. During that time, the Gryphons won six U SPORTS Track and Field Championship titles. As well, he was named OUA Cross Country coach of the year four times (Women: 2022, 2021; Men: 2023, 2021).
With over 20 years of coaching experience, the NCCP Level 3 endurance coach has had the opportunity to serve as primary coach of over 20 national team athletes who have represented Canada at over 35 international competitions. This list of elite athletes includes newly minted Canadian U23 1500m record holder Max Davies (3:33.86) as well as four Olympians and Varsity Blues alumnae: Lucia Stafford (2020, 2024), Jazz Shukla (2024), Madeleine Kelly (2020), and Gabriela DeBues-Stafford (2016). Under his guidance, athletes have won over 50 individual OFSAA medals, 100-plus provincial medals, and more than 40 national medals.