Mezue ahịrịokwu na-esonụ: 2005 abụghị ihe dị egwu maka Groot na ebe nke anọ na 4 × 100 m freestyle na nke itoolu na 50 m butterfly n'oge 2005 World Aquatics Championships na Montreal, Quebec, Canada. Na ngwụcha afọ ahụ, o meriri nrite ọla edo maka oge nke atọ n'usoro na 4 × 50 m freestyle na European Short Course Swimming Championships 2005. 2006 bidoro na 2006 FINA Short Course World Championships na Shanghai. Ya na Inge Dekker, Hinkelien Schreuder na Marleen Veldhuis, Groot setịpụrụ ihe ndekọ ụwa ma merie ọla edo na 4 × 100 m freestyle relay na oge nke 3:33.32. N'oge okpomọkụ ọ sonyere na
2006 European Aquatics Championships na Budapest, Hungary ebe ọ gbakwunyere ọlaọcha ọla ọcha, na 4 × 100 m freestyle na Dekker, Veldhuis na Ranomi Kromowidjojo, na ọla nchara ọla, nke anọ n'oge ọrụ ya, na urukurubụba 50 m na nchịkọta ya dị egwu. Na Helsinki, o meriri ọla ọcha na 4 × 50 m freestyle na European Short Course Swimming Championships 2006. Nnukwu asọmpi ya ọzọ bụ asọmpi egwuregwu World Aquatics nke 2007 na Melbourne, Australia ebe onye otu ya Femke Heemskerk si na ndị otu 4 × 100 m freestyle na-egwu mmiri ebe ọ bụ onye otu otu egwuregwu na-emecha ọtụtụ afọ. N'otu n'otu, ọ kwụsịrị nke 13 na nke 20 na 50 m na 100 m urukurubụba na-eme ka ọ bụrụ asọmpi na-akụda mmụọ maka Groot. Ebe nke ise na European Short Course Swimming Championships 2007 bụ nsonaazụ ya kacha mma nke afọ na-akụda mmụọ.