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Home»Races»What’s Happening in Ultra Running This Weekend: Woodside Ramble and Desert Solstice Highlight California, Arizona, and Massachusetts Events
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What’s Happening in Ultra Running This Weekend: Woodside Ramble and Desert Solstice Highlight California, Arizona, and Massachusetts Events

Staff WriterBy Staff WriterDecember 21, 2025No Comments4 Mins Read
What's happening in ultra running this weekend: woodside ramble and
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The holiday season is upon us, and while many are busy with festive preparations, ultramarathon enthusiasts can still find a few exciting events on the UltraRunning Magazine race calendar. This weekend’s lineup features thrilling races primarily in California, Arizona, and Massachusetts. As always, race directors who wish to promote their events can register here.

Woodside Ramble: A Scenic Challenge in California

One of the standout events happening this weekend is the Woodside Ramble, taking place on the picturesque trails of Huddart and Wunderlich Parks in Woodside, California. Set against the stunning backdrop of towering second and third-generation redwoods, this 50k ultramarathon is a much-anticipated highlight of the Northern California racing calendar.

Scheduled to begin at 8 a.m. on Saturday, the Woodside Ramble offers runners a generous 9-hour timeframe to traverse a course known for its beautiful yet challenging terrain. With approximately 5,400 feet of elevation gain and loss, participants will face rolling hills and scenic fire roads, making this event both a physical challenge and a feast for the eyes. For those considering whether to participate, further details can be accessed here.

Desert Solstice: Setting Records in Phoenix

In the desert landscape of Phoenix, Arizona, the Desert Solstice Track Invitational will be held from December 20-21. Known for its elite-level competition, this annual event is designed for both 24-hour and 100-mile runners who aspire to set records and qualify for the USATF 24-Hour National Team.

Since its inception in 2010, the Desert Solstice has proven to be a formidable stage for elite athletes, boasting over 100 national records and 15 world records. This year’s event promises to attract top long-distance runners, further enhancing its reputation as a prime setting for aspiring record-breakers. Kicking off at 8 a.m. on Saturday, attendees can also follow the excitement via Aravaipa Live stream, offering insights and updates throughout the race. More information about this prestigious event is available here.

Seth’s Fat Ass 50k: A Unique Challenge in Massachusetts

Not to be overlooked, the Seth’s Fat Ass 50k in Springfield, Massachusetts, is also on the schedule this weekend. Since its inaugural run in 2010, this low-key ultramarathon has become well-known for its friendly atmosphere, designed for runners of all levels.

Held at the scenic Forest Park, the Seth’s Fat Ass 50k allows participants a full 7 hours to complete 10 laps of a 5k course—reflecting the “fat ass” tradition where runners can choose their distance. The event presents rolling hills and a cumulative elevation gain of 1,250 feet, bringing an added layer of challenge, especially during the chilly winter season. Runners should prepare for conditions that may be less than ideal, as weather fluctuations can impact their experience on race day. For more insights, details can be found here.

Additional Races and Opportunities

While many areas experience a lull in racing activity during the holiday season, these races provide unique opportunities for ultramarathoners to remain active and engaged in the sport. The distinct terrains and varying conditions across California, Arizona, and Massachusetts challenge runners in different ways, catering to a wide array of preferences and skills.

For enthusiasts, participating in these events not only allows them to test their limits but also connect with fellow runners who share their passion for ultrarunning. This sense of community is integral to the experience, as runners often gather post-race to share stories, strategies, and camaraderie.

Looking Forward: 2025 Race Calendar

As we approach the new year, ultramarathoners can keep an eye on the UltraRunning Magazine event calendar for additional races and events leading into 2025. Staying connected not only helps runners plan their seasons but also provides avenues for discovering new challenges and experiences.

For those involved in race directing, the ongoing outreach to promote upcoming races is critical. Engaging with the community through platforms like the UltraRunning Magazine calendar ensures that events receive the attention they deserve and allows for broader participation across diverse demographics.

In conclusion, whether pursuing personal bests at the Desert Solstice, enjoying the scenic routes of the Woodside Ramble, or embracing the community vibe at the Seth’s Fat Ass 50k, the holiday season remains an exciting time for ultramarathoners. This weekend’s events promise to deliver memorable experiences for participants and spectators alike, all within the breathtaking backdrops of the American landscape.

Arizona California desert Eventsh3 h3Whats Happening Highlight Massachusetts Ramble Running Solstice Ultra Weekend Woodside
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