|Competitor for Jamaica|
|Silver||2000 Sydney||4x400m Relay|
|CAC Junior Championships (U20)|
|Silver||1994 Port of Spain||800 m|
|CAC Junior Championships (U17)|
|Bronze||1990 Havana||1200 m|
|Bronze||1990 Havana||4x400 m relay|
|Gold||1993 Fort-de-France||4x400m relay|
|Bronze||1991 Port of Spain||400m|
|Bronze||1991 Port of Spain||800m|
She competed at the 2000 Olympics, being knocked out in the semi final. She also ran for the Jamaican 4 x 400 metres relay team in the heats and could therefore receive an Olympic silver medal after Lorraine Graham, Deon Hemmings, Sandie Richards and Catherine Scott-Pomales finished second in the final.
Her personal best time over 800 metres was 1:59.61 minutes, achieved in June 2001 in Portland.
Since retiring, Charmaine has become a Financial Counselor and Zumba Instructor.
- IAAF Grand Prix Osaka 2001 Page3, retrieved 4 April 2012
- Steele, Michael / Allsport (20 Jul 2001), 20 Jul 2001: 400m Runner Charmaine Howell of Jamaica poses for an Elite Athletes Studio feature in Monaco, France, Getty Images Europe, retrieved 27 March 2012
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