In the 2018 African Championships in Athletics held in Asaba, Nigeria, Onyekwere decided to focus her efforts solely on the Discus throw. This paid off as she put on a show for her home country, earning a Gold Medal the Discus throw with a personal best throw of 58.09 meters. Onyekwere was invited to represent Team Africa in the 2018 IAAF Continental Cup held in Ostrava, Czech Republic. She finished in 4th place with a top throw of 56.68 meters and had the furthest mark of any African Discus thrower in the competition.