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Hot List September 2025: Pacific

UltraSignup News

August 29th, 2025

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🔥 Upcoming Races in the Pacific – September Hot List! UltraSignup

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Double Peak Challenge 10K

Photo Credit: Double Peak Challenge 10K – 10K, 5K, Kids Trail Trot – San Marcos, CA

Hey Runner!

We bring you the September UltraSignup Hot List with a side of crisp fall air. 🍂 The kids are back in school learning, and you should be out on the trails racing! 📚 Consider this your cliff notes to the best races to register for this season.

Here’s what’s inside:
🔥 Races still open for registration
📈 Price bumps coming soon
📆 Races opening next month
🌍 International adventures worth cashing in those vacation days

📍This email zooms in on the Pacific: California, Hawaii, Oregon, and Washington.

Want to explore races in other regions? Find them all here:

Happy racing,
The UltraSignup Team

FEATURED RACES

09/27/2025

Double Peak Challenge 10K – 10K, 5K, Kids Trail Trot – San Marcos, CA

10/10 – 10/13/2025

Mile Madness Endurance – 6HR, 12HR, 12HR, 24HR, 48HR, 72HR – Rocklin, CA

10/11/2025

Live Oak Odyssey – 6HR, 3HR – Trabuco Canyon, CA

10/29 – 11/2/2025

Machete Muertos 200 – 200 Miles, 100 Miles, 50 Miles, 20 Miles, 10 Miles – Perris, CA

11/09/2025

Sri Chinmoy 6HR Race – 6HR – San Diego, CA

Year-Round 2025

Bellingham Trail Tour 25K – 25K – Bellingham, WA

UPCOMING RACES THAT STILL HAVE ROOM

09/01 – Mount Baldy Run to the Top – Mount Baldy, CA
09/06 – Noble Canyon 50K/15K – Pine Valley, CA
09/06 – Jump Off Joe Marathon – Kennewick, WA
09/06 – Tanri Lake Race – Miramonte, CA
09/06 – Mendocino Running Festival – Mendocino, CA
09/06 – Stevens Creek Striders Reservoir Run – Cupertino, CA
09/06 – Backcountry Rise – Toutle, WA
09/07 – Wild Woman Wilderness Adventure Runs – Trout Lake, WA
09/07 – Berkeley Mapathon & Half – Berkeley, CA
09/13 – Coal Miner – Roslyn, WA
09/13 – Berkeley Trail Adventure – Berkeley, CA
09/13 – Pine to Palm 100 – Williams, OR
09/13 – Twisted Pine Trail Runs – Newport, OR
09/13 – South Hills Single Track Trail Run – Summer – San Jose, CA
09/13 – Mt. Ashland Trail Run – Ashland, OR
09/14 – Nooksack Ridgelines – North Cascades, WA
09/14 – Tunnel Light Marathon – North Bend, WA
09/17 – Stehekin – Stehekin, WA
09/18 – Mammoth Trailfest – Mammoth Lakes, CA
09/20 – Moore Mountain Trail Run – Klamath falls, OR
09/20 – Rebels XC Challenge – Carmichael, CA
09/20 – Three Sisters Skyline – Sisters, OR
09/20 – Ultra Fest – Easton, WA
09/20 – Double Peak Challenge 10k – San Marcos, CA
09/20 – Cloud Cap – Mt. Hood, OR
09/20 – Umatilla Rim Ripper – Tollgate, OR
09/20 – Mt. Umunhum Marathon, Race To the Top and Down – San Jose, CA
09/26 – THE MAMMOTH – Mammoth Lakes, CA
09/27 – Bandit Ultra Trail – Los Angeles (Simi Valley), CA
09/27 – Ridge Rambler Half Marathon – Bridgeport, CA
09/27 – Dick Collins Firetrails – Castro Valley, CA
09/27 – Sunset & Cider Trail Races – Auburn, CA
09/30 – Sage 5k – Richland, WA

RACES INCREASING IN PRICE THIS MONTH

09/07 – Berkeley Mapathon & Half – CA
09/13 – Berkeley Trail Adventure – CA
09/13 – Twisted Pine Trail Runs – OR
09/13 – South Hills Single Track Trail Run – Summer – CA
09/20 – Mt. Umunhum Marathon, Race To the Top and Down – CA
10/04 – Wild Wild West Marathon & Ultra – CA
10/04 – Reservoir Dogs Trail Run – CA
10/05 – Kokanee Trail Runs – CA
10/11 – The Napa Lapa Trail Adventure – CA
10/12 – Kern River Ultra – CA
10/25 – Carkeek 12 Hour – WA
10/25 – Quicksilver Trail Challenge – CA
10/25 – No Name Trail Races – CA
10/25 – Oakland Hills Trail Run – CA
11/01 – Wildwood Canyon Trail Run – CA
11/14 – Last One Standing at Bradley California – CA
11/15 – Battle To The Pacific – OR
11/27 – LA Turkey Trail – CA
12/05 – Climb 89 – WA
12/13 – Doomsday – CA
02/14 – The Ranch 50k – CA

RACES OPENING REGISTRATION THIS MONTH

11/27/2025 – Healdsburg Turkey Trot – CA
02/14/2026 – Susitna 100 – AK
02/14/2026 – The Ranch 50k – CA

FEATURED INTERNATIONAL RACES

09/27 – 10/05/2025

Ecuador Running Retreat with Hayden Hawks – 9 days, 8 nights – Quito, Ecuador

11/21 – 11/23/2025

RMB Ultra-Trail Cape Town – 100 Mile, 100K – Cape Town, South Africa

02/20 – 02/22/2026

Ocean to Ocean 100M, El Reto del Indio – 100 Mile Relay, 160K, 105K, 55K – Salud, Panama

Hot List

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Pacific

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