The final stop of USA Swimming’s 2012-13 Arena Grand Prix Series – the May 30-June 2 Arena Grand Prix at Santa Clara – will feature a star-studded field including Olympic gold medalists Missy Franklin (Centennial, Colo.) and Ryan Lochte (Daytona Beach, Fla.), as well as a number of Northern California-based standouts, competing at the George F. Haines International Swim Center.

If watching the 50m freestyle is like watching a July 4th fireworks display, then watching the men’s and women’s 10K races is like watching a long, strategic chess match.

Andrew Gemmell and Haley Anderson won the 5-kilometer national titles on Sunday to conclude the USA Swimming Open Water National Championships at Lower Castaic Lake.

Christine Jennings and Alex Meyer won the 10-kilometer titles at the USA Swimming Open Water National Championships on Friday at Lower Castaic Lake.

If swimming is one of the hardest sports in the world, this weekend's Open Water National Championships is the toughest event in the world. Be sure to tune in to usaswimming.org and watch.