Tough Mudder Los Angeles Tough Mudder Los Angeles by Tough Mudder 50 50 people viewed this event. Register for event To register for this event please visit the following URL: https://toughmudder.com/weekends/los-angeles-glen-helen/ → Login to bookmark this Event Date And Time 10-23-21 @ 08:00 AM (PDT) to 10-23-21 @ 05:00 PM (PDT) Location Glen Helen Raceway, Verdemont Ranch Road, San Bernardino, CA, USA Event Types OCR Event Category 10 Miler5KKids race Share With Friends Facebook Twitter Linkedin Xing Pinterest