Mamiko Oshima-Berger

[3] At the 2010 Micronesian Games she won gold in the 5000 metres and 10km road race.

[5] In 2014, Oshima-Berger competed in the Emerald Bay Marathon (California), completing the event in 4:40:19.7, placing her 8th in her age range, and 15th overall.

[6] Oshima-Berger has competed and set records in several events in the Northern Mariana Islands.

Tapochao Thanksgiving Day Turkey Trot Fun Run.

She currently holds the women's national record in the marathon for the Northern Mariana Islands as compiled by the International Association of Athletics Federations.