It's the only weekend from late January through mid-March without a major Japanese marathon, but there's still a lot going on. Overseas, Shunsuke Yoshii (Chuo Univ.) and Yuma Yamamoto (Sekisui Kagaku) lead a National Team of 14 at the Asian Indoor Championships in Tehran, Iran. Another team of 8 is in Muscat, Oman for Sunday's World University Cross Country Championships, with H.S. 5000 m NR