The Glendora Mountain Road blog was started by Annette McCusker in 2007 to share her experiences and thoughts about cycling and hiking in the local mountains. When Annette and her husband Bill decided to become SDSR sponsors, they felt that their sponsorship should be done in the name of the GMR blog.

Incycle offers a wide assortment of bicycles, accessories, parts, and services, catering to all aspects of the cycling world. Incycle now offers four locations to better meet the needs of local and traveling cycling enthusiasts.

Headquartered in Bethel, Connecticut, Cannondale designs, develops and produces bicycles at its factory in Bedford, Pennsylvania. Our passion for cycling can be seen at every turn as we strive to be the best bicycling company in the world, day in, and day out.

Our dedication to service maintenance is consistent across all work–on all makes and models. And, we’re recognized for our distinguished service on Toyota, Lexus and Scion makes. That’s because Toyotech only hires technicians that have been ASE certified by the Automotive Service Institute.

San Dimas Community Hospital (SDCH) is located on the east end of the San Gabriel Valley, one mile off the 210, 57, and 10 freeways, in the city of San Dimas. San Dimas is a small, caring, cohesive community reaching from Bonelli Park on the south to the Foothills on the north.

Serving families and businesses in the Foothills of the San Gabriel Valley for more than 30 years, AW Professional Landscaping and Gardening is a full service landscaping company with a solid reputation for to providing you with quality you can count on.

Van Stone Conveyor, Inc. is the only company in the world with the singular purpose of engineering and manufacturing waterpark and amusement conveyor systems. Van Stone is the recognized leader in innovation, quality and service.

Catella is the official Race Leader Jersey provider of the San Dimas Stage Race and the official clothing provider of the SC Velo Cycling team.

Fuel Right, Feel Great! Hammer Nutrition is a valuable returning sponsor and provides SDSR participants with the right nutrition for hard racing and recovery. For 15% off your first order mention code #33462 when you place your order and save 15%!

53x11 was started by cyclists, for cyclists, and exemplifies the commitment to excellence and love for freedom shared by competitive riders. A good cup of coffee is the perfect complement to a great ride, and we wanted to offer our fellow cyclists, friends, and family, the ultimate java. After all, there's nothing like a good cup of joe before and after.

Rudy Project is offering their biggest Event Promotions to SDSR participants! Click here check it out!

Back in 1985 Kool Fit America Inc. brought to the market the very first Sport Conditioning Spray and forever changed the way how athletes prepare their bodies for sports, endurance and recovery. We believe that our products are the best in the market and are unmatched in their quality and performance.

Listening to your body is one thing, understanding what it is telling you is an altogether different story. Polar helps you get under the skin of your training. We attribute it to a combination of expertise in sports, physiology and electronics, coupled with a deep understanding of customer needs. It’s no surprise then that we’ve been leading the way in technological innovations and heart rate monitors since 1977.

Whatever the destination, cyclists are seeking the ultimate ride, and Serfas is making sure they find it. Our 20-year commitment to quality, performance, and customer service is reflected in our innovative products, and this year’s next generation of rider-tested, rider-approved Serfas designs gives us a whole lot to get excited about.

Owned and Operated by a avid Cyclist, Motel Sakura is pleased to offer a discounted rate of $65 + Tax/night to any Race Participants

Ocean Potion is our official Sun Care for our race. They have excellent products for the busy cyclist. With over 25 years of fun in the sun, Ocean Potion has received The Skin Cancer Foundation seal for safe and effective sun protection. They also do not test on animals.

Chamois Butt’r was first developed in 1988 by Physical Therapist and cyclist Steve Mathews, in conjunction with input from pro cyclists, physicians and chemists. Since then, Chamois Butt’r has continued to evolve and is now available in most US bicycle retailers and is also distributed internationally.Not only does Chamois Butt’r soothe and comfort but it leaves your skin feeling even better than before!

Rocktape is a kinesiology tape and is fantastic for treating common sports injuries like shin splints, plantars and runner’s knee. Rocktape also can increase endurance by promoting blood flow during an athletic event.

The ongoing pursuit of professionalism makes KMC Chain the most distinguished leader in the chain industry! KMC Chain is the celebrated pioneer to unveil the extraordinary X-SuperLight chain in the ever-growing bicycle industry. As champion innovators of bicycle chains, KMC Chain also excels in superior technology for motorcycle, automobile, and industrial chains.

Official Sneaker of The San Dimas Stage Race. Brooks Sports, Inc. is your go-to company for anything and everything related to the run. As a leading running company that designs and markets high-performance men's and women's running shoes, apparel and accessories in more than 40 countries worldwide, we are dedicated to inspiring people to run and be active by creating innovative gear that keeps them running longer, farther, faster and happier.

We are the very first wood-fired rotisserie sandwich and salad shop in La Verne, CA. Our mission is to teach young adults a realistic approach to finding their future careers. We do this by providing our teams with a forward-thinking learning platform that integrates today's business challenges with technology and local professionals.

Over 20 years later, our devotion to finding the very best ingredients we can—with respect for animals, farmers, and the environment—is shown through our Food With Integrity commitment. And as we grow, our dedication to creating an exceptional experience for our customers is the natural result of cultivating a culture of genuine, rewarding opportunities for our employees..

Our saddles consider the rider first. We design each model with features that are compatible with a variety of body shapes, sizes and flexibility. Varying width shells, flat and scooped decks and engineered support systems optimize performance, energy transfer and comfort.

Covina Hills Sports Medicine is the largest independent physical therapy practice in San Dimas. We specialize in the care and treatment of spine disorders, muscle, joint and nerve injuries- including new approaches to the treatment of diabetic peripheral neuropathy. Our goal is to exceed your expectations by providing treatment by licensed physical therapists in a professional and caring environment.

Train, Performance, and Recovery has been the mantra for seasonal athletes. is introducing Air-Relax Leg Compression and Massager.  A complete unit with electronic device and leg boots operating at three cycle operational modes and four compression pressure levels.  Now you can own one at a fraction of the cost and use at the comfort of your home or where ever your next race will be.  

Insta360 Nano is the tiniest 360° panoramic camera in the world, and the first portable panoramic camera which is designed for iPhone. Insta360 support 360° panoramic live streaming on Youtube and Twitter. It can instantly share to Facebook, YouTube, Twitter, Instagram, Wechat. Insta360 Nano is the No.1 recommended 360° camera by Facebook.

Endurance Elite is a company created by athletes to provide solutions and equipment for athletes who are embracing outdoor activities. Endurance Elite is "The Leader in Wearable Audio," coupled with Bluetooth technology and LED rear safety flashers,, it is geared for Safety and awareness.

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