In 1983, at age 15, Nadia won two Gold medals in the South Pacific Games in Western Samoa (1500m and 3000m) with a games record in the 1500m, representing New Caledonia –a territory of France next to Australia. Nadia represented New Caledonia in three South Pacific Games with 7Gold, 1Silver medals and holds the games records, in the 1500m, 3000m and 10000m.
In addition has competed in two mini South Pacific Games with 6 Gold medals and records in the 800m, 1500m, 3000m and 10000m, hence New Caledonia national records plus the national record in the marathon. The first half marathon she competed in she won in Tachikawa, Japan at age 18 and her first marathon she won in 1990 in Lake Powel. Nadia won the 1994 USA road series racing from 5km – Marathon.