Memorial SportsCare will hold its 7th annual women’s biathlon on Sunday, September 21st, at 9 a.m. at 4550 W. Iles Avenue in Springfield. The biathlon is a noncompetitive event that features a 20-kilometer bike ride and a 5-kilometer run. Registration is limited to the first 500 women who sign up. Women can register online at active.com and type “Memorial SportsCare Women’s Biathlon” in the search box. If you are participating in the relay, you and your partner must register separately.