TECHNOLOGY SOLUTIONS FOR EXTREME RUNNERS
Industry leading battery life, innovative features, and valuable training insights are just some of the reasons COROS technology is trusted by world class athletes like Kilian Jornet and Sally McRae. Whether you’re taking on epic ultra’s such as UTMB, Badwater and Cocodona, or just hitting your favorite trails, keep reading to learn how COROS can help you run to your extreme.
RUNNING PRODUCTS
Trail and Ultra running require rugged, reliable and precise equipment. These COROS products are designed to deliver from training runs to the finish line.
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COROS APEX 2/2 Pro
Lightweight and packed with powerful features, the APEX series watches are the perfect blend of style and performance. Sleek, accurate and durable, these watches are ready to take you to your next training or racing goal.
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COROS VERTIX 2S
From scaling the world’s tallest peaks, to running the longest ultra-marathons, the VERTIX 2S has it all. Turn your next big performance dream into a reality with mind-blowing battery life, a comprehensive feature set, and extreme durability.
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COROS Heart Rate Monitor
Accurate wrist-based optical heart rate measurement is especially challenging for trail runners. The COROS Heart Rate Monitor records precise data from your upper arm, providing a significantly more comfortable and convenient experience than a traditional chest strap.
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COROS POD 2
By adding a data collection point on your shoe, POD 2 delivers expanded and improved metrics. From more accurate Effort Pace and more responsive instant pace data, to precise temperature measurement, POD 2 helps take your training to the next level.
COMPARE WATCHES
RUNNING MODES
Whether you’re running your local switchbacks, taking on an ultra-distance event, or training indoors, our activity modes have you covered.
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TRAIL RUN
Whether training for elevation or improving heart rate zones, real-time data is just a glance away.
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INDOOR RUN
Receive pinpoint indoor running measurements with COROS POD 2 on your foot.
TRAINING TOOLS
The COROS training solution offers all runners much more than modes. Our comprehensive array of training tools will help advance every runner toward their goals.
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COROS APP
Easily manage your training plans and watch features, sync to analyze your workout data, monitor overall fitness, and gain powerful insights into your running performance.
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WORKOUT BUILDER
Never miss an interval with workouts that sync directly to your watch. Easily create and sync workouts to stay on track at every step.
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FREE OFFICIAL WORKOUTS
Designed by professional athletes and in-house coaches, access our extensive library of free workouts and sync with your watch for your own on-wrist coach.
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FREE OFFICIAL PLANS
From beginner marathon plans to advanced training, download and follow free structured training plans to progress toward your next personal best.
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COROS TRAINING HUB
A free, powerful web-based portal to manage your training journey, perfect for athletes seeking deeper metric analysis or those working with a coach.
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COROS COACHES
Initiate personalized assistance for any training or racing questions by simply emailing coach@COROS.com.
RUNNING FITNESS
Whatever your running goals, COROS can help you understand, track, and improve your fitness.
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EFFORT PACE
TRAINING LOAD
RECOVERY TIMER
TRAINING STATUS
RUNNING FITNESS SCORE
RUNNING FITNESS TEST
RECOVERY & WELLNESS
Monitor other factors that may impact your running performance with these features.
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SLEEP TRACKING
Know if your night has left you recovered enough to run well with detailed sleep quality and HRV data.
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DAILY STRESS
Effortlessly monitor daily stress levels to see if they impact your training performance.
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WELLNESS CHECK
Easily monitor key health indicators as regularly as you want with this simple one-step 30-second test.
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SPO2
For those training at altitude, monitor your SpO2 to ensure you have acclimated before pushing onward.
COROS RUNNING BLOGS
COROS is committed to telling the stories of our professional athletes and sharing insights from our training experts. Read some of our most relevant blogs below.
How Hans Troyer Won Black Canyon
Hans Troyer breaks the Black Canyon 100K course record, turning past setbacks into a controlled and decisive victory.How Trail Runners Can Thrive at Boston: Inside Petter Engdahl's Marathon Debut
Boston doesn't reward the fastest runner. It rewards the one who manages effort best. That very skillset plays right into trail runners' hands.How Francesco Puppi Trained for Black Canyon 100K
Italian trail athlete Francesco Puppi brings a unique training approach to the Black Canyon 100K.Sara Alonso’s Climb to the Top: Victory at Zegama
After setbacks in 2023 and 2024, Sara Alonso stormed back to win the 2025 Zegama-Aizkorri — and her COROS data shows exactly how she did it.Max Jolliffe's Cocodona Revenge
Rhabdomyolysis ended Max Jolliffe's last Cocodona 250 too soon. This year, he's back with a season of learning under his belt and revenge on his mind.Molly Seidel's First 100K and Golden Ticket
After her first 100K race at Black Canyon, Molly Seidel reflects on what went well, what she learned, and what it means to secure a Golden Ticket.Mastering Zegama: What Kilian Jornet Has Learned
Pre-race analysis ahead of the 2026 Zegama-Aizkorri (Header photo by Jose Miguel Munoze)Motherhood, the Ultimate Endurance Sport
Emelie Forsberg shares a day in the life of an invisible ultraRachel Entrekin Smashes Cocodona 250 Course Record
253.8 miles. 40,000 feet of elevation gain. 19 minutes of total sleep. One beloved Queen. (Header Photo by Somer Kreisman)Andreu Blanes Goes All-In at Zegama: From Roads to Mountains
With a background in orienteering, a marathon debut just six months ago, and a win at Sierre-Zinal in 2022, Andreu Blanes is proving he can adapt to anything. At Zegama 2025, he nearly pulled off another mountain classic—leading for over half the race and finishing second in a stacked field.

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