Relentless Rumble Relay

Relentless Rumble Relay is a fast-paced, two-person team running event held in Charleston, South Carolina. On October 23, 2025, teams will complete three 1-mile loops per runner (six miles per team) across a three-stage course, featuring a live DJ, a recovery zone, and an in-race expo for spectators. The event offers a $500 grand prize plus age-group awards, the Fastest Mile Award, and other honors such as closest predicted-to-actual time and best team coordination.

Participants receive a Relentless Running hoodie and a swag bag. Spectators are encouraged to visit the spectator zone. Location: 30 Mary Murray Dr, Charleston, SC 29403.

A lively, crowd-friendly atmosphere. Visit the organization's website for the most recent information.