Runners!

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Across
  1. 1. the alter ego of the fastest Justice League member
  2. 5. the blue blur
  3. 6. the 1980 movie that gave us a theme song for runners
  4. 9. he just kept runnin'
  5. 10. currently holds the record for fastest man on earth
Down
  1. 2. He ran his way into the NFL history books with the most rushing yards
  2. 3. the American who medaled wearing two different shoes
  3. 4. Hitler hated this champion runner
  4. 7. the bamboozler of Boston
  5. 8. the nickname of the fastest woman on Earth