St. Bernards Health & Wellness, located at 1416 East Matthews Avenue in Jonesboro, will host an Adult Indoor Triathlon starting at 8 a.m. This beginner-friendly race includes a 300-meter swim in a lap pool, a 5-mile stationary bike ride and a 2-mile treadmill run. Registration is $45. Info: (870) 207-7700 or visit stbernards.info/events/.