About
At Arnald Performance, we believe running has the power to improve more than race results. It builds confidence, resilience, and a healthier, more balanced life. Our coaching is built around three simple principles:
Plan. Partnership. Progress.
Every athlete receives a personalized training plan, ongoing coaching, and the accountability to stay consistent - even when work, family, and life get busy. Because lasting progress isn't built through perfect weeks; it's built through consistently showing up over time.
Scott Arnald is a Waterloo native with nearly 30 years of running and coaching experience alongside 16 years in the corporate world. A former varsity athlete at the University of Waterloo he raced cross country and track & field before competing at a high level as an open and Masters athlete. His personal best range in distance from the 1500m (3:45) to the marathon (2:33 at the Boston Marathon) and also includes a recent Masters (over 40) best of 16:12 in the 5km.
Scott's experience as a runner, father of two, and busy professional maintaining a consistent training routine, shapes his coaching philosophy. He helps busy athletes build flexible, personalized training that delivers real performance gains while supporting the longevity needed to keep running for years to come.
Whether you're training for your first 5K, chasing a marathon personal best, or simply looking to build a healthier, more active lifestyle, Scott's coaching provides the plan, partnership, and accountability to help you make lasting progress.
“Running changed my life. My mission is to help busy professionals experience the same confidence, resilience, and lifelong health that running has given me.” Scott Arnald
photo credit: https://www.christellezphoto.com/