“…As the population has aged, growth of seniors' participation in a wide range of age-specific (e.g., 55+, 60+, 70+ years of age) amateur/grassroots football programs, leagues, and tournaments for different levels of ability in various formats has occurred on a global scale. Seniors' (predominantly men's) participation in traditional community-based 11-a-side (11v11) football competition tends to fall off dramatically from the age of early to mid-50s; thus, this growth is predominantly in seniors' (including men's, women's, and mixed/co-ed) participation in customised amateur/grassroots 60+ small-sided football programs and related competition in local, regional, and international settings (Corepal, Zhang, Grover, Hubball, & Ashe, 2020;Hubball & Dí az-Cidoncha Garcí a, 2020b). 60+ participants are a unique target group for participation in amateur/grassroots small-sided football for reasons including:…”