Complex sentence: Since 1981, Hoquiam High School also hosts the largest distance running event on the Washington coast, the Hoquiam Grizzly Alumni Cross Country Invitational, featuring 35 + schools and 1,000 + high school runners, takes place every October.
Split into simpler sentences: Since 1981, Hoquiam High School also hosts the largest distance running event on the Washington coast. The Hoquiam Grizzly Alumni Cross Country Invitational, featuring 35 + schools and 1,000 + high school runners, takes place every October.