[12] Sac City was accepted into the Women's Flat Track Derby Association Apprentice Program in April 2011,[13] and became a full member of the WFTDA in June 2012.

The Sac City Capital Punishers first qualified for WFTDA Playoffs in 2013 at the Division 2 tournament in Kalamazoo, Michigan, at which they finished in second place, losing the title game to Santa Cruz Derby Girls, 230-185.

[18] At that year's WFTDA Championships, Sac City lost the bronze medal game 215-188 to Blue Ridge Rollergirls to finish in fourth place at the Division 2 level.

[36] Sacred City was one of two teams to decline their invitation to Division 2 Playoffs that year,[37] citing the costs involved in traveling to the distant locations in their press release announcement.

[38] In 2015, Sacred City again was ranked as a Division 2 team, and played at the Detroit tournament, at which they finished second overall, losing the final to Nashville Roller Girls 194-189.

[40] Sacred City returned to the Division 1 level in 2016, entering the Vancouver tournament as the seventh seed, and finished in eighth place after a 252-109 loss to Stockholm Roller Derby.