May's shaping up to be a big month for remixes. Flo Rida and The Wanted both saw their recent hits get an uptempo makeover, and LMFAO remixed Madonna--before getting the treatment themselves by Mord Fustang.
Remixers didn't rule the gym alone. Rock songs from Neon Trees and The Black Keys both made this month's top 10 list, along with Jennifer Lopez and Pitbull's latest collaboration.
Here's the full list of this month's best exercise music, according to votes placed at RunHundred.com, the web's most popular workout music website.
To find more workout songs, check out the free database at Run Hundred. You can browse by genre, tempo, and era to find the best songs to rock your workout.