December 12th, 2025

8 min read

An Immaterial Gift Guide

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Community Brand Partners Industry FKT Gear How To Guide The Hot List Races Culture Photos Training Weekly News

Races Opening in December

December is about to drop a ton of new 2026 races — and some of these will go faster than hot cocoa at an aid station on a cold morning.

A Trail Runner’s Guide to Visiting San Antonio

Since so many runners will be traveling into San Antonio in December, here is your list of where to run, eat, explore, and experience the soul of the city. UltraSignup is excited to host a group trail run in partnership with Alamo City Trail Runners and San Antonio RoadRunners.

Perspective: 6 Takeaways from Anne Flower’s Stunning Breakthrough Season

A glimpse into 2026 suggests next year could be even brighter for this Colorado Springs runner.

Be Bold, Start Cold

Bust out the big pack and every layer you own. It’s only a 45-minute run, but we’re not trying to freeze to death today. 🥶 Find more from Brendan Leonard on Instagram @Semi_Rad and explore his pieces curated exclusively for UltraSignup.

How To Build A Race Season Without Burning Out

Building a race season is like pacing an ultra: if you go out too hard, you’ll blow up before the finish. Start conservatively. Trust the process. Give your body the recovery it needs to adapt.

Trail & Ultra Awards Season Is Almost Upon Us

From FKTs to fashion fails, it’s officially trail running awards season. Here’s how the trail world celebrates another wild, wonderful year on the dirt.

Through the Lens: A Gritty Look Behind the Scenes of Big Dog’s Backyard Ultra

Step inside Big Dog’s Backyard Ultra with photographer Jacob Zocherman, who captures the grit, camaraderie, and sleepless beauty of the world’s most relentless endurance event. A behind-the-scenes look at what it means to run, crew, and endure together.

Hot List November 2025: South

🔥 Upcoming Races in the South! – October 🎃 Hot List 🔥 UltraSignup See upcoming races in your region, which prices are about to go up, races opening registration, and check out international races that will have you booking flights! View this email online. Photo Credit:  Hellbender 100 – 100 Mile – Old Fort, NC […]

Hot List November 2025: New England

🔥 Upcoming New England Events – October 🎃 Hot List 🔥 UltraSignup See upcoming races in your region, registration opening soon, which prices are about to go up, plus peep the international events that will have you booking flights! View this email online. Photo Credit: Krampuslauf – 10K, 9 HRS, 5K – Lyme, NH Hey […]

Hot List November 2025: Mid-Atlantic

🔥 Upcoming Races in the Mid-Atlantic – October 🎃 Hot List 🔥 UltraSignup See upcoming races in your region, registration opening soon, which prices are about to go up, and find international races that will have you booking flights! View this email online. Photo Credit: Frozen Assets Endurance Run – 10K, Winter Series – Springwater, NY […]

Hot List November 2025: Midwest

🔥 Upcoming Races in the Midwest – October 🎃 Hot List! 🔥 UltraSignup See upcoming races in your region, registration opening soon, which prices are about to go up and international races that will have you booking flights! View this email online. Photo Credit: Frozen Gnome – 50K Relay, 50K, 10K – Crystal Lake, IL […]

Hot List November 2025: Pacific

🔥 Upcoming Races in the Pacific – October 🎃 Hot List! 🔥 UltraSignup See upcoming races in your region, which prices are about to go up, races opening registration, and check out international races that will have you booking flights! View this email online. Photo Credit: Lake Sonoma 100K & 50K – 100K, 50K, 1/2 […]

Hot List November 2025: West

🔥 Upcoming Races in the West – October 🎃 Hot List! 🔥 UltraSignup See upcoming races in your region, registration opening soon, which prices are about to go up, plus peep the international events that will have you booking flights! View this email online. Photo Credit: Lake Sonoma 100K & 50K – 100K, 50K, 1/2 […]

Will We See Courtney and Katie Race Each Other Again? I Sure Hope So.

For a moment, it looked like Courtney Dauwalter and Katie Schide might finally meet at UTMB. The matchup never happened, but the story behind it reveals how the sport is changing.

What 2025 movie title best describes our last race?

K Pop Demon Hunters, because who among us has battled inner demons in glitter and gaiters?

The TransRockies Run Has Found New Life

Over 3 days, TransRockies - Pass to Pub traces a breathtaking point-to-point route in the heart of Colorado’s high country.

The Space Between Seasons

After crossing the finish line of my big 100-mile race this summer, I expected pure joy. Instead, I found myself in that quiet, disorienting space that comes after a big goal—the moment when purpose fades and rest feels strange. Fall, I’m realizing, is the season for learning to live in that in-between. To sit with the stillness, resist the urge to rush into what’s next, and let uncertainty make room for something new to take shape.

How do I train for a stage race?

Stage races aren’t just about endurance. They’re about waking up sore, smiling, and doing it all again. Here’s how to train so you don’t just survive the stages but savor them.

Hot List October 2025: West

Upcoming races in the West region taking place in October and beyond.

Hot List October 2025: Pacific

Upcoming races in the Pacific region taking place in October and beyond.

Hot List October 2025: Midwest

Upcoming races in the Midwest region taking place in October and beyond.

Hot List October 2025: South

Upcoming races in the South region taking place in October and beyond.

Hot List October 2025: Mid-Atlantic

Upcoming races in the Mid-Atlantic region taking place in October and beyond.

Hot List October 2025: New England

Upcoming races in the New England region taking place in October and beyond.

The Growth of Trail Running and the Murkiness of Performance-Enhancing Drugs

Trail Running Needs More Complete Anti-Doping Controls to Be Taken Seriously

Things That Went Right in Your Big Race

If everything went right every time, where’s the fun in that? Some stories (like almost puking on your pacer’s shoes) are too good to lose.

Do It Scared.

Discover why fear never truly goes away in running (or life) and how learning to “do it scared” can help you grow. From ultramarathons to everyday challenges, this issue of Aid Station explores the power of running with fear in the passenger seat.

Run Rabbit Run: A Steamboat Classic with Heart, Competition, and $100,000 on the Line

Steamboat Springs’ Run Rabbit Run 100 offers over $100,000 in prize money and has donated nearly $600,000 to charity. RD Fred Abramowitz shares what makes this Colorado ultra unique.

Junko Kazukawa on Joy, Grit, and Running Into Her 60s

Breast cancer survivor and ultrarunner Junko Kazukawa shares her journey through 100s, 200s, and running with joy into her 60s.

8 Hot Takes From a Transformative Week in Chamonix

Brian Metzler has been to every UTMB week since 2010, and in this piece he shares his 8 hot takes from a transformative week of trail running in Chamonix.

Hot List September 2025: Pacific

The September UltraSignup Hot List with a side of crisp fall air. Find races in the Pacific.

Hot List September 2025: Mid-Atlantic

The September UltraSignup Hot List with a crisp side of fall air. Find races in the Mid-Atlantic.

Hot List September 2025: West

The September UltraSignup Hot List with a crisp side of fall air. Find races in the West.

Hot List September 2025: New England

The September UltraSignup Hot List with a side of crisp fall air. Find races in New England.

Hot List September 2025: Midwest

The September UltraSignup Hot List with a side of crisp fall air. Find races in the Midwest.