Isabelle has previously done two ~8B's; Epochalipse, at Flagstaff Mountain, and Nuthin but sunshine, in the Rocky Mountain National Park, both near her home in Boulder, Colorado.
The four other female climbers who have done 8B+ are:
Tomoko Ogawa - Catharsis, Shiobara, 2012
Ashima Shiraishi - Golden Shadow, Rocklands, 2014
Shauna Coxsey - New Base Line, Magic Wood, 2014
Alex Puccio - Jade and The Wheel of Chaos, both in the RMNP, 2014