McPherson, Kan. The 49th annual men's and 33rd annual women's National Association of Intercollegiate Athletics (NAIA) Indoor Track and Field National Championships are to be held over the next three days, March 6-8, at the SPIRE Institute in Geneva, Ohio. Over 130 men's and women's programs will compete as action begins at 12:00 p.m. (CT) Thursday, March 6.