After excelling in the five-week CrossFit Open in the spring and placing in the top five in the regional competitions in May and June, 40 men and 40 women are ready to compete in Madison, WI, for the title of Fittest on Earth.

Apart from Dave Castro’s cryptic hints, this year’s events are unknown. What’s certain is the athletes will run, swim, squat, snatch, row, and climb well past the point of exhaustion.

In preparation for the CrossFit Games (August 3-6), we’ve prepared a guide of the 20 strongest male competitors, starting with last year’s champion, going in order of how each finished at Regionals. Check it out.