adidas offers its adidas Men's Marathon 10 NG Running Shoes in Bold Onix for $39.99. Coupon code "EXTRA20" cuts them to $31.99. With $5 for shipping, that's $19 under our mention from five days ago and the lowest total price we've seen. (It's a current price low by $24.) They're available in most sizes from 6.5 to 14.