100M

The 2025 Kodiak Ultra Marathons by UTMB® 100M race circumnavigates the entire Big Bear Valley including a few miles on the Pacific Crest Trail and a visit to the summit of Sugarloaf Mountain (9,995′). This is a true mountain 100 miler with a lot of running above 7,000 feet. From the alpine forest with towering pines to the high desert with Joshua trees, you’ll experience several climates and varying vistas from the mountains to Big Bear Lake.

2026 courses are still being finalized, more information coming soon. All courses are subject to change. Thanks for your patience!

The GPX file is the most accurate regarding distance and elevation data. There may be minor data differences between this GPX file and the Profile, Map & Time Charts graphics above.

*2026 Courses Coming Soon

The Aid Station Chart is the most accurate regarding distance and elevation data. There may be minor data differences between these Aid Station Charts and the Profile, Map & Time Charts graphics above.

*2026 Courses Coming Soon

Should the race management team add onto the mandatory gear due to weather conditions, please reference the cold and hot weather kits outlined below. You will be notified via email if either kit is required during race week. Runners are expected to pack both kits for race weekend in the event one of these kits needs to be implemented.

Hot weather kit (may be required by the organization, depending on weather conditions)

• Sunglasses ***
• Sunscreen, recommendation: minimum sun protection factor (SPF) 50 
• Minimum water supply: 2 liters

Cold weather kit (may be required by the organization, depending on weather conditions)

• Protective eyewear ***
• Additional warm second layer: a warm second layer top with long sleeves OR the combination of long-sleeved warm undergarment and a windproof jacket with durable water-repellent protection (Note: the wind-proof jacket does not replace the mandatory jacket with hood, and vice versa).
• Sturdy, closed-toe trail-running shoes (minimalist or ultralight shoes Not recommended)
• Beanie (or multifunctional neck gaiter, which may be the same as the one mentioned above)
• Warm gloves (waterproof strongly recommended)
• Waterproof overpants

*** it is possible to use the same glasses if they are suitable both for the sun and bad weather (such as glasses with photo-chromatic lenses)