For performance-driven runners, there’s Forerunner® 970 — the premium GPS running and triathlon smartwatch with our brightest AMOLED display, durable sapphire lens, lightweight titanium bezel and built-in LED flashlight. Understand your overall energy efficiency with running economy, and see how much you are slowing down with step speed loss (HRM 600 monitor required; sold separately). Running tolerance tells you how your training habits have prepared you to handle your current and future impact load. Use multi-band GPS and full-color, built-in maps plus navigation enhancements to stay on track while you train.