[4] In service of this, a new training field opened in November 2016 and the club-house was just launched in May 2017: two central structures necessary to rise to the top of Japanese football.

In the 2022 season, their first year in the J3 League, Iwaki FC received a J2 license on 28 October 2022, and become eligible for promotion.

On 26 September 2023, Iwaki FC was declared to have met the requirements to obtain a license up to J1 League level.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.