It's Honolulu Marathon weekend, which means many, many runners will hit the road early tomorrow. If you haven't signed up yet, it's late, but it's not too late. It's definitely expensive: $175 if you register by 5 p.m. today at the Honolulu Marathon Expo, which is continuing from 9 a.m. to 5 p.m. at the convention center.

The expo is where runners must pick up their registration packets, too. But even nonmarathoners are welcome to attend the free expo, which features: