FOOTBALL: The Niagara Frontier Officials Association, Inc., has openings for men and women who wish to become officials. Classes are free and begin at 8 p.m. Thursday in the meeting room at the North Buffalo Community Center, St. Lawrence Avenue off Colvin. Call Bill Neuman at 632-6472.
HOCKEY: Prime Hockey Group has openings for adult teams for its New England Hockey Classic. Call 1-800-421-3139. . . . The Cazenovia Park Hockey Association has openings for boys and girls, novice to bantam class, in its house and traveling leagues. Call 827-7881 (mites); 823-6069 (squirts); or 825-3854 (pee wee, bantam).
RUNNING: The fifth annual Empire National Securities Inc./Checkers/Nike Classic 8K Road Race, sponsored by Ragtops, will be held at 9 a.m. Saturday starting at the Empire of America parking ramp, Church and Pearl streets. A total of $2,000 in cash prizes will be awarded to the first three male and first three female runners in the open and masters (over 40) divisions. For details, call Rich Hardoby at 874-6073 or Alice Askew at 845-7446.
SEMINAR: Two masters of the ancient Philippine martial arts will conduct a three-day seminar Thursday through Saturday in the gymnasium of Erie Community College South Campus, 4140 Southwestern Boulevard in Orchard Park. Remy A. Presas, a recognized grand master of Modern Arnis who has been featured in Black Belt Magazine, will be joined by Master Ric "Bong Sun" Jornales, founder of the United States Federation of Martial Arts. The seminar will consist of three sessions each day: 9 a.m.-noon; 2-5 p.m. and 7-10 p.m. For information, contact Dr. Jerome Barber at 648-5400.
SOCCER: Team registration is currently being held for the Sportsplex Indoor Soccer League. The SISL will begin its eight-game summer session on July 9 and run through Sept. 2. The entry fee is $385 on a full field and $285 on a mini field. The entry deadline is July 8. Sportsplex also is developing teams for an adult Men's C Thursday Recreational League. The cost is $40 per player. Call 694-8877.