|Competitor for Trinidad and Tobago|
|Bronze||2009 Berlin||400 m hurdles|
|CAC Junior Championships (U17)|
|Silver||2000 San Juan||300 m hurdles|
|Silver||2000 San Juan||4x100 m relay|
|Silver||2003 Port of Spain||4x400 m relay|
|Bronze||2003 Port of Spain||400 m hurdles|
Born in Scarborough, Tobago, Lucas' first success was a win at the national championships in the 400 metres in 2005, but she focused on hurdling instead. She competed at the 2005 World Championships in Athletics in the 400 m hurdles but failed to progress beyond the heats. Lucas represented Trinidad and Tobago at the 2008 Summer Olympics but again did not pass the heats.
She won the bronze in the 400m hurdles at the World Championships for Athletics in Berlin, Germany in 2009. 
|55 metres hurdles||7.64||Gainesville, Florida, United States||25 February 2006|
|60 metres hurdles||8.20||Fayetteville, Arkansas, United States||10 March 2006|
|100 metres hurdles||12.99||Tallahassee, Florida, United States||9 May 2009|
|400 metres hurdles||53.20 NR||Berlin, Germany||20 August 2009|
- All information taken from IAAF profile.
- Lucas, Josanne biography. IAAF. Retrieved on 2009-05-30.
- Biscayart, Eduardo (2009-05-25). Belém spectacular produces five world season leads – IAAF World Athletics Tour. IAAF. Retrieved on 2009-05-30.
- ttgapers.com. Tobagonian Josanne Lucas claims 400m hurdles bronze.
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