Dee ihe na-esote paragraf a - Willis gbara onye nke anọ na 2013 World Championships na 2013 European Championships (SC) (ha abụọ na 200 mita breaststroke). Ọ gbara onye nke anọ na 2014 European Championships
wee gaa n'ihu merie ọla nchara na 2014 Commonwealth Games na 200 mita breaststroke ikpeazụ na Glasgow. Ọ gbara nke anọ na 2015 World Championships ma merie ọla nchara na 2015 European Championships (SC) na 200 mita breaststroke. O sonyere na 2016 European Championship, wee mechaa nke anọ na njedebe nke 200 mita breaststroke na 2016 Summer Olympics na Rio. Ọ gara n'ihu merie ọla ọcha na 2016 World Championships (SC). Willis mere nke ikpeazụ maka 100 mita na 200 mita breaststroke na 2018 Commonwealth Games, ebe ọ kwụsịrị nke asatọ na nke anọ. Na July 2018, Willis lara ezumike nká na asọmpi igwu mmiri.