Chicago Triathlon at a glance

What: 26th Chicago Triathlon, third in a series for the Toyota Cup

Where: Swim start in Chicago at Monroe Street Harbor off Lake Shore Drive

When: 6 a.m. Sunday, with professional athletes at 11 a.m.

Who: More than 6,500 athletes expected. Current leaders in the series are Matt Reed and Andy Potts in Men's Pro, and Becky Lavelle and Rebeccah Wassner in Women's Pro.

At stake: Pros will battle for $67,000 purse with $10,000 to men's and women's champs.

Course: Athletes will swim about 0.9 miles, bike 25 miles and run 6. Bikers will ride north on Lake Shore Drive to near the end, and then back to Randolph street area. The run begins at Randolph Street and heads south to McCormick Place, then returns north to the finish line on Columbus Drive just in front of the Field Museum.

On the Web: chicagotriathlon.com