Terrain Race - Irvine

Terrain Race Irvine, Oak Canyon Park

Terrain Race Irvine is an obstacle and mud focused 5K event scheduled for November 21, 2026 at Oak Canyon Park in Irvine, California. The course follows an approximate 3 mile 5K structure and features mud pits, climbs, crawls, walls, ropes, monkey bars and more than 11 other obstacles arranged to fit the venue terrain. The event offers multiple difficulty levels.

Registration is available in at least two package types. The Value package includes a race bib, finisher medal, free race photos, access to all obstacles, and post race festival access, and does not include a $14.95 insurance and venue fee. The VIP package includes the Value items plus VIP check in, a 2026 tour t shirt, a Terrain Race headband, drawstring bag, silicone wristband, VIP tattoo, priority wave start, and the insurance and venue fee.

A festival village opens before the first wave for packet pickup, warm ups, gear check, vendor booths, music and photo opportunities. A finish line festival begins when participants complete the course and includes food and drinks, sponsor booths, music and post race competitions. Packet pickup is scheduled for Friday, November 20, 2026 at Oak Canyon Park, 5305 Santiago Canyon Road; race day packet retrieval may incur a $5 cash fee per packet. Venue parking may include a cash only charge up to $20; some venues may accept card payment instead. Visit the organization's website for the most recent information.