She started competing internationally in 2009, originally in bobsleigh, and was selected to the Dutch national team in 2010; she switched to skeleton for the 2013–14 European Cup season.

[4] In three subsequent qualification races (with Groot and Sanne Dekker trading off brakewoman duties), she finished second, earning a qualifying spot to the 2012 games.

At the games, Bos and Groot earned a bronze medal behind a British sled and the other Dutch team (see Bobsleigh at the 2012 Winter Youth Olympics).

Bos and Groot finished 13th later that month at the Bobsleigh Junior World Championships, also at the Innsbruck track, again behind their Dutch teammates.

She finished seventh in the 2017 World Cup race at Winterberg, also the European championships, in which she was fifth after discounting the two non-European competitors ahead of her.