In perhaps the biggest upset in Walt Disney World Marathon history, Fredison Costa of Brazil upstaged fellow countryman Adriano Bastos to win the Disney Marathon on Sunday and abruptly end Bastos’ six-year dominance at Disney. Leah Thorvilson from Little Rock, Ark., was the top women’s finisher (2:42:11), celebrating her 32nd birthday by pulling a mild upset of her own in halting Lisa Mizutani’s streak of back-to-back Disney Marathon women’s victories.