Sunday, March 24: 
Lavaman Waikoloa Triathlon.  The 15th Annual Lavaman Triathlon Festival features an Olympic distance 10K-run, 40K-bike and 1.5K-swim open to individuals and relay teams of all ages and abilities, plus 5-K sunset fun run, health and fitness expo, awards party and beach barbeque.  Waikoloa Beach Resort, 69-425 Waikoloa Beach Drive, Kamuela.  7 a.m. to 5 p.m.  For information call (808) 329-9718 or visit www.lavamantriathlon.com.