jfisher@timesrepublican.com T-R PHOTOS BY JOE FISHER — Professional competitive eater Randy Santel made his first visit to Marshalltown Wednesday as part of his midwest tour of food challenges. Santel took on Legends American Grill’s Monster Burger Challenge. How does a 4 pound burger sound? Pretty daunting, right? For professional competitive eater Randy Santel, the Legends American Grill Monster Burger Challenge was 8 minutes, 58 seconds well spent. Santel stopped at Legends on South Center Street as part of his tour of midwest eating challenges. He was in Altoona Tuesday to take on Brick and Ivy Rooftop’s Chicago Dog Challenge where he devoured eight fully loaded hot dogs.