Olympic gold medal decathlete Bryan Clay is hosting autograph sessions and free speed clinics on O'ahu, Kaua'i and Lana'i this week and next.

The following are Clay's scheduled appearances:

• Friday on O'ahu—Autograph signing. 4 to 7 p.m at Straub Clinic & Hospital Cafe (888 S. King St.). Information: 522-4479.

• Saturday on O'ahu—Free Straub Speed Training Clinic, for children ages 12 to 18. Learn running mechanics, strength training, sports nutrition and periodization techniques. Limited to first 300 registered children. 9 a.m. to noon at the University of Hawai'i's Cooke Field. Information: 522-4479.

• Sunday on Kaua'i—Free Straub Speed Training Clinic, for children ages 7 to 18. Learn running mechanics, strength training, sports nutrition and periodization techniques. Limited to first 300 registered children. Noon to 3 p.m. at Vidinha Stadium. Information: 808-245-1198.

• Oct. 14 on O'ahu—Teen & Youth Obesity: A Time for Action Presentation. 7 to 8:30 p.m. at Mamiya Theatre, Saint Louis School (3142 Wai'alae Ave.). Information: 522-4479.

• Oct. 18 on Lana'i—Straub Speed Training Clinic, for children ages 7 to 18. Limited to first 300 registered children. 9 a.m. to noon at Lana'i High School. Information: 808-565-6423.