Rennesøy Fotballklubb was one of 85 clubs from Norway that had teams playing during Jente Talent Cup 2021-høst. They participated with one team in 13-15 august Jenter 15 (FØDT 2006) 11er Elite.

In addition to Rennesøy Fotballklubb, 27 other teams played in 13-15 august Jenter 15 (FØDT 2006) 11er Elite. They were divided into 7 different groups, whereof Rennesøy Fotballklubb could be found in Group F together with Drøbak-Frogn IL, Nittedal and TUIL Tromsdalen Fotball.

Rennesøy Fotballklubb continued to Sluttspill C after reaching 3:rd place in Group F. In the playoff they made it to 1/4 Final, but lost it against Flint Fotball with 0-5. In the Final, Flint Fotball won over Øvrevoll Hosle IL and became the winner of Sluttspill C in 13-15 august Jenter 15 (FØDT 2006) 11er Elite.

Rennesøy comes from RENNESØY which lies approximately 360 km from Stange, where Jente Talent Cup takes place. The area around RENNESØY does also provide two additional clubs participating during Jente Talent Cup 2021-høst (Madla IL and Sandnes Ulf).