Veteran Michael Blackwood (left) clipping Ricardo Chambers (right) and Sanjay Ayre on the line in a thrilling finish to the men's 400 metres final on Sunday's final day of the National Senior Championships at the National Stadium. Blackwood won in 45.21 seconds with Chambers, second, and third-place Ayre, both crossing the line in 45.24. - Ian Allen

World Championships 200 metres silver medallist Usain Bolt, who ran 9.72 seconds to erase Asafa Powell's 100 metres world record in May, and reigning 200m Olympic champion Veronica Campbell-Brown head Jamaica's track and field delegation to the August 8-24 Olympic Games in Beijing.

Notable absentee from the squad is 2005 world triple-jump champion Trecia Smith. She leapt 13.61 metres, way below her personal best, to win at the National Championships last weekend.

Powell, Danny McFarlane, who won silver in the 400m hurdles in Athens and 2007 World Championships decathlon silver medallist Maurice Smith are all in a strong men's team.

On the female side, Sherone Simpson and Aleen Bailey, both members of Jamaica's winning 4x100m team in 2004, Brigitte Foster-Hylton and Delloreen Ennis-London, World Championships medallists in the 100m hurdles and Novlene Williams-Mills, who won bronze in the 400m at last year's World Championships, add strength to the team.

The squad also includes Olympic newcomers Marvin Anderson, Andre Wellington, Nesta Carter, Ricardo Chambers, Allodin Fothergill, Marvin Essor, Lansford Spence, Markino Buckley, Isa Phillips, Adrian Findlay, Herbert McGregor, Dorian Scott and Aldwyne Sappleton, along with females Shelly-Ann Fraser, Sheri-Ann Brooks, Simone Facey, Nickiesha Anderson, Rosemarie White, Shereefa Lloyd, Shericka Williams, Bobby-Gaye Wilkins, Anastasia Le-Roy, Kenia Sinclair, Korine Hinds, Chelsea Hammond, Vonette Dixon, Andrea Bliss, Melaine Walker, Nickeisha Wilson, and Olivia McKoy.

Full squad:

Female: Kerron Stewart, Shelly-Ann Fraser, Sherone Simpson, Veronica Campbell-Brown, Sheri-Ann Brooks, Aleen Bailey, Simone Facey, Nickiesha Anderson, Rosemarie Whyte, Novlene Williams-Mills, Shericka Williams, Shareefa Lloyd, Bobby-Gaye Wilkins, Anastasia Le-Roy, Kenia Sinclair, Madrea Hyman, Korine Hinds, Chelsea Hammond, Brigitte Foster-Hylton, Delloren Ennis-London, Vonette Dixon, Andrea Bliss, Melaine Walker, Nickiesha Wilson, Shevon Stoddart, and Olivia McKoy.

Usain Bolt - file

Male: Usain Bolt, Asafa Powell, Michael Frater, Marvin Anderson, Dwight Thomas, Julien Dunkley, Andre Wellington, Christopher Williams, Nesta Carter, Michael Blackwood, Ricardo Chambers, Sanjay Ayre, Allodin Fothergill, Marvin Essor, Lansford Spence, Maurice Wignall, Richard Phillips, Danny McFarlane, Markino Buckley, Adrian Findlay, Isa Phiilips, Herbert McGregor, Dorian Scott, Aldwyne Sappleton, Maurice Smith.

Management team:

Manager - Ludlow Watts; assistant managers - Garth Gayle, Gregory Hamilton and Judith Ewart.

Technical leader Donald Quarrie; head coach Glen Mills; coaches - Bertland Cameron, Michael Clarke, Edward Hector and Fitz Coleman.

Medical - doctors Warren Blake, Herbert Elliott and Michael Douglas; physiotherapists/masseuse Gaynor Downer and Everald Edwards.

Meanwhile 16 athletes have been named for the Central American and Caribbean Championships, July 4-6, in Cali, Colombia.

Male: Lerone Clark, Davion Spence (100m), Xavier Brown (200m), Dacosmo Wright (110mH), Isa Phillips (400mH), Claston Bernard (decathlon), Herbert McGregor, Julian Reid (long jump), Hickel Woolery (discus).

Female: Aleen Bailey (100m/200m), Moya Thompson, Sonita Sutherland (400m), Julian Reynolds (800m), Caltha Seymour (hammer), Zara Northover (shot put), Kateema Riettie (javelin)

Carol Long (manager); Roy Thomas (assistant manager/coach); Orville Byfield (coach) and Jermaine Shand (coach).