Tamarack Ottawa Race Weekend, welcomes participants in 6 races: Scotiabank Ottawa Marathon & ½ marathon, 10K, 5K, Scotiabank Ottawa Kids Marathon, & 2K.
The 2015 Tamarack Ottawa Race Weekend will take place May 23-24, 2015. In 2014, the Scotiabank Ottawa Marathon turned 40 years old!
The 2014 Tamarack Ottawa Race Weekend welcomed over 47,500 participants in six races, including the Scotiabank Ottawa Marathon. Run Ottawa, the organization behind the Tamarack Ottawa Race Weekend, is run by a dedicated team of employees supported by a highly experienced team of volunteers, and is dedicated to promoting the sport of running and enhancing the health and well-being of our community by organizing distinctive world-class and local races, and managing an active, membership-based running club.The Scotiabank Ottawa Marathon and Ottawa 10K are both sanctioned by the International Amateur Athletic Federation (IAAF).