[1] She gained international selection for the 2000 IAAF World Cross Country Championships and was the team's best performer in 50th place in the short race.
Following graduation from high school, she joined a corporate team, training under Yoshio Koide at Sekisui Chemical.
[4] She shifted into longer-distance road running and set a half marathon best of 1:11:58 hours in Kobe in 2003, taking third place.
[2] She was scheduled to run the Nagoya Women's Marathon to attempt to make the Japanese national team, but the race was called off following the 2011 Tōhoku earthquake and tsunami.
Though deeply affected, Nasukawa vowed to run at the 2011 London Marathon, which had offered to host the national selection race.