The 2011 Yu-Ai Kai Nihonmachi Run, a three- mile run, will start at the Yu-Ai Kai Center, 588 N. 4th St. in San Jose’s Japantown, at 9 a.m. Participants will be provided with refreshments. Prizes and medals will be given out. Entry is $25 or $17 for seniors and children ($30 and $20 on-site). Entry fee waived if runner accumulates more than $65 in sponsors. The pre-registration deadline is April 25. Info: www.yuaikai.org or (408) 294-2505.