[2] She has been selected to compete for Jamaica at the 2004 Summer Olympics, setting a historic milestone as the nation's first ever sport shooter after forty years.

[1][3] Kobayashi trains for the Jamaica Air Rifle Association and the national team under the tutelage of Keith Hammond.

[1] Kobayashi qualified as a lone shooter for the Jamaican squad in the women's 10 m air rifle at the 2004 Summer Olympics in Athens.

She had been granted an Olympic invitation for her country by the ISSF and the IOC, having registered a minimum qualifying score of 391 from her eight-place finish at the 2003 Pan American Games in Santo Domingo, Dominican Republic.

[1][4][5] Kobayashi shot a decent 383 out of a possible 400 to force in a two-way tie with Nicaragua's Svitlana Kashchenko for forty-first place in the qualifying round, finishing just eight points off her entry best.