Michael Phelps Competing In Charlotte Arena Grand Prix

Rob Schumacher-USA TODAY Sports

Michael Phelps has committed to swim in two events at the Charlotte Grand Prix May 15-18, fueling even more scuttlebutt about a possible comeback in time for the Rio Olympics in 2016.

Phelps swam at a similar event in Mesa, Ariz. several weeks ago in his first competition since retiring almost 20 months ago following the London Olympics.

Phelps finished second in the 100-meter butterfly to Ryan Lochte in Mesa. Phelps has officially refused to comment about a possible comeback, but he has taken the necessary steps to allow him to swim in future international competitions by re-entering the drug testing pool.

Phelps is entered in the 100-meter butterfly and 200-meter freestyle in Charlotte, both of which are scheduled to take place on May 16th.

With U.S. Nationals approaching in August–a competition that will determine the swimmers who will represent the United States at next year’s World Championships–Phelps has yet to commit to swimming in that.

His longtime coach, Bob Bowman, has not confirmed any competitive activity by Phelps beyond Charlotte either.

After his appearance in Arizona, Phelps did say that he had fun being in the pool again and if he did decide to pursue swimming at the U.S. Nationals, he would be sure to be in top shape once the time came.

Stay tuned.