Marayke Caroline Jonkers (born 13 September 1981[citation needed]) is a retired Australian Paralympic swimmer and paratriathlete.

[5] As part of her university studies, she completed an internship with the Australian Broadcasting Corporation working in ABC Online and the Stateline television show.

[11] Jonkers broke more than 70 Australian national swimming records in the breaststroke, individual medley, freestyle and butterfly.

[9] In 2010, at the age of 30, she also competed at the 2010 Telstra Australian Championships[11] the Over 12 years 150 m Medley event where she made the final finished with a time of 4:07.51.

[11] She was the Australian flag-bearer for the 2010 IPC Swimming World Championships in Eindhoven, the Netherlands, where she won a bronze medal in the 50 m breaststroke SB3 and was part of the 20-point 4×50 m relay team that broke an Oceania record.

[15][16] Jonkers' first paratriathlon competition was as social event related to the 2009 ITU Triathlon World Championships in the Gold Coast.

She became Australia's first female paratriathlete and paratriathlon medallist when she competed in the 2010 championships in Budapest, winning a bronze medal in the TRI-1 classification in a time of 2:12:40, eleven minutes better than her previous personal best.

[12] In 2007, she was named the inaugural winner of Cosmopolitan magazine's "fun fearless female award"[21] recognising Australia's most inspirational women who are encouraging others to pursue their dreams.