CHICAGO--(BUSINESS WIRE)--Columbia Threadneedle Investments is proud to be the Global Financial Services Partner of the International Triathlon Union (ITU) World Triathlon Series Grand Final Chicago, from September 15-19. The event features four days of competition for more than 8,000 elite and amateur athletes, including 150 of the world's top Olympic-distance triathletes as they compete for a world championship title less than a year before the 2016 Olympic Games in Rio de Janeiro. ITU World