Sham-ROCK-N-Run

This half-marathon hugs the coast of North Myrtle Beach, unfolding on pancake-flat roads that are practically begging for a personal best. With an elevation gain of precisely zero feet, it’s a course designed for speed—and with typical race-day temps in the 50s to low 60s and low precipitation, conditions are often ideal. Now in its 5th edition, the race draws a modest field of roughly 337 runners from 21 states, giving it an intimate, low-key character. At 7:00 a.m., all distances—the half, 10K, and 5K—start together, creating a convivial mass of runners before the half-marathoners settle into their rhythm along the flat coastal roads.

The generous 16-minute-mile cutoff welcomes first-time half-marathoners, while the fast, flat course entices seasoned runners chasing a time. Post-race, awards are handed out by 9:30 a.m., and every finisher receives a shamrock-themed shirt as a keepsake. With roughly 18% of runners returning year after year, this small-scale event has built a loyal following—a testament to its straightforward, friendly atmosphere and the simple appeal of a fast, scenic race on the South Carolina shore.