Top 10 100-Mile Ultra Marathons in the USA

As an experienced ultrarunning coach, I have had the privilege of witnessing some of the most challenging and breathtaking 100-mile ultra marathons in the United States. Here are the top 10 races in the country that test the limits of endurance and celebrate the spirit of ultrarunning.
1. Western States 100 - Taking runners from Squaw Valley to Auburn, California, this iconic race follows the rugged trails of the Sierra Nevada mountains, showcasing stunning scenery and demanding elevation changes.
2. Leadville Trail 100 Run - Known for its high altitude and lung-busting climbs, this historic race in Leadville, Colorado, challenges runners with its epic views and grueling terrain.
3. Hardrock 100 - Set amidst the scenic San Juan Mountains in Colorado, this race is renowned for its brutal vertical gain, technical trails, and breathtaking alpine scenery.
4. HURT 100 - Held in Hawaii, this race is notorious for its relentless climbs, treacherous terrain, and unforgiving humidity, making it a true test of mental and physical strength.
5. Barkley Marathons - Often shrouded in mystery, this Tennessee race has achieved legendary status for its extreme difficulty, unpredictable weather, and cryptic entry process.
6. The Vermont 100 - With its lush, rolling countryside and challenging trails, this race offers a quintessential New England ultrarunning experience in the heart of Vermont.
7. Superior 100 Mile Endurance Run - Set along the rugged Superior Hiking Trail in Minnesota, this race features technical terrain, breathtaking vistas of Lake Superior, and a true northern wilderness experience.
8. Angeles Crest 100 - Spanning the San Gabriel Mountains near Los Angeles, California, this race offers a mix of punishing climbs, technical descents, and sweeping views of the Pacific Ocean.
9. Miwok 100K - Although technically not a 100-mile race, this event in Marin County, California, provides a challenging and scenic course that is a favorite among ultrarunners in the Bay Area.
10. Tahoe 200 - While not a traditional 100-mile race, this epic circumnavigation of Lake Tahoe in Nevada presents a monumental test of endurance with its stunning alpine scenery and demanding elevation gain.
Each of these races offers a unique blend of natural beauty, physical challenge, and the camaraderie of the ultrarunning community, making them stand out as top choices for those seeking the ultimate test of endurance in the United States.