Complex sentence: She also claimed the Ironman 70.3 Australian Championship title in Mandurah; however, a collision with a car whilst training meant that in her second 70.3 World Championship appearance she was unable to match her finish from the previous year, finishing 11th in Mont-Tremblant.
Split into simpler sentences: She also claimed the Ironman 70.3 Australian Championship title in Mandurah. However, in her second 70.3 World Championship appearance she was unable to match her finish from the year prior, finishing 11th in Mont-Tremblant.