Whether you’re training for your first 5K, chasing a marathon personal best, or trying to navigate a training block while dodging the seasonal sniffles, your running kit needs to be as resilient as your training plan. We’ve rounded up the essential tech, apparel, and wellness game-changers—from strollers that conquer any terrain to clever, drug-free ways to keep your body moving—that are redefining the running experience this year.