It's been a busy day for Team Ireland at the World Athletics Championship in Tokyo.
Sharlene Mawdsley's time of 51-point-4 seconds in her heat sees her go through to the 400-metres semi-finals.
Sophie Becker finished sixth in her heat, meaning she misses out on progression to the next round.
Sarah Healy booked her place in the 15-hundred metres final, with a sixth-placed finish.
Sophie O'Sullivan finished 12th in her semi-final.
Earlier, Fionnuala McCormack earned her best-ever global finish in the marathon, coming ninth in a time of 2 hours, 30 minutes and 16 seconds.