[5][6] In 2013, Jong attended a talent day for Paralympic sports organised by NOC*NSF where she met Guido Bonsen who later became her coach.

She won the bronze medal in the women's 200 metres T44 event at the 2015 IPC Athletics World Championships held in Doha, Qatar.

In 2017, Jong finished in 4th place in the women's 200 metres T44 event at the World Para Athletics Championships held in London, United Kingdom.

[13] In 2019, Jong finished in 4th place in the women's long jump T64 event at the World Para Athletics Championships held in Dubai, United Arab Emirates.

[28] In March, her portrait was added to a mural in the Schilderswijk neighbourhood of The Hague, Netherlands, alongside other Dutch competitors of the Summer or Winter Olympics and Paralympics held in 2021 and 2022.

[29] In May, she set a new world record of 6.23 metres in the women's long jump T62/F62 event at the L’Hospitalet International Meeting held in L'Hospitalet de Llobregat near Barcelona, Spain.

[36] A month later, Jong won the gold medal in the women's long jump T64 event at the 2023 World Para Athletics Championships held in Paris, France.

[41] A few months later, Jong won the gold medal in the women's long jump T64 event at the 2024 Summer Paralympics in Paris, France.

[45] The event was a podium sweep for the Netherlands, with Kimberly Alkemade and Marlene van Gansewinkel winning the silver and bronze medal respectively.

[48][49] In 2017, she founded Team Para Atletiek together with Paralympic athlete Marlene van Gansewinkel and coach Guido Bonsen which aims to help beginning and experienced para-athletes.