The numbers tell a remarkable story. According to Strava's 2024 Year in Sport report, running club participation increased 59% globally in a single year. Women joining running clubs surged by 89% over the previous year. Running USA estimates that over 50 million Americans now run or jog, and industry data suggests approximately 25% are connected to some form of running club or group. When Strava surveyed Gen Z participants, one-fifth reported going on a date with someone they met at a group fitness activity.

The skin's barrier function takes time to recover from environmental stress. Research indicates that compromised barrier function can persist for hours after exposure to harsh conditions. This is why the immediate post-run period is so critical—the products you apply during this window encounter skin that's actively trying to repair itself, making them more effective than the same products applied hours later.