Finding Your Perfect On Running Trail Companion
When it comes to trail running, choosing the right shoe can make or break your adventure. On Running has established itself as a leader in innovative running footwear, and their trail lineup offers something for every type of runner. Today, we're diving deep into three of their most popular trail shoes: the Cloudultra 3, Cloudsurfer Trail 2, and Cloudultra Pro.
Whether you're tackling technical mountain trails, logging miles on forest paths, or pushing your limits in ultramarathons, understanding the unique strengths of each shoe will help you make the perfect choice for your running style and terrain preferences.
On Running Cloudultra 3: The Ultimate Distance Destroyer
The Cloudultra 3 represents On Running's flagship ultra-distance trail shoe, engineered for runners who demand maximum comfort over extreme distances. This third iteration builds upon years of feedback from elite ultramarathoners and weekend warriors alike.
Key Features:
- CloudTec® cushioning: Enhanced midsole technology provides superior energy return and impact absorption
- Missiongrip™ outsole: Aggressive tread pattern delivers exceptional traction on varied terrain
- Engineered mesh upper: Breathable yet durable construction with strategic reinforcements
- Rock plate protection: Full-length plate shields feet from sharp rocks and roots
- Weight: Approximately 320g (men's size 9)
Best for: Ultra-distance trail running, long training runs, technical terrain, runners seeking maximum cushioning and protection.
Shop the Cloudultra 3: Men's | Women's

On Running Cloudsurfer Trail 2: The Versatile All-Rounder
The Cloudsurfer Trail 2 strikes the perfect balance between road and trail capabilities, making it ideal for runners who transition between surfaces or prefer a more nimble feel on the trails.
Key Features:
- CloudTec® Phase technology: Smooth heel-to-toe transition with responsive cushioning
- Hybrid outsole design: Versatile tread pattern performs well on both trails and roads
- Lightweight construction: Streamlined design reduces fatigue on longer runs
- Breathable upper: Mesh construction with targeted overlays for durability
- Weight: Approximately 280g (men's size 9)
Best for: Mixed-terrain running, daily training, runners new to trail running, those seeking versatility between road and trail.
Shop the Cloudsurfer Trail 2: Men's | Women's


On Running Cloudultra Pro: The Elite Performance Machine
The Cloudultra Pro represents the pinnacle of On Running's trail technology, designed in collaboration with professional athletes for the most demanding trail conditions and competitive racing.
Key Features:
- Advanced CloudTec® configuration: Precision-tuned for optimal energy return and stability
- Premium Missiongrip™ compound: Superior grip and durability on technical terrain
- Carbon fiber rock plate: Lightweight yet robust protection from trail hazards
- Performance-focused upper: Race-ready construction with minimal weight penalty
- Weight: Approximately 310g (men's size 9)
Best for: Competitive trail racing, technical mountain running, experienced trail runners, those prioritizing performance over comfort.
Shop the Cloudultra Pro: Men's | Women's

Head-to-Head Comparison
Feature | Cloudultra 3 | Cloudsurfer Trail 2 | Cloudultra Pro |
---|---|---|---|
Primary Use | Ultra-distance comfort | Versatile daily training | Elite performance racing |
Cushioning | Maximum | Moderate | Performance-tuned |
Weight | 320g | 280g | 310g |
Terrain Focus | Technical trails | Mixed surfaces | Competitive trails |
Experience Level | All levels | Beginner to intermediate | Advanced to elite |
Which Shoe Should You Choose?
Choose the Cloudultra 3 if you:
- Regularly run distances over 20km
- Prioritize comfort and cushioning
- Tackle technical, rocky terrain
- Want maximum protection for long adventures
- Are training for ultramarathons or long trail races
Choose the Cloudsurfer Trail 2 if you:
- Split time between roads and trails
- Are new to trail running
- Prefer a lighter, more responsive feel
- Run primarily on groomed trails or fire roads
- Want one shoe for multiple running activities
Choose the Cloudultra Pro if you:
- Race competitively on trails
- Have extensive trail running experience
- Prioritize performance over comfort
- Run on highly technical mountain terrain
- Want the latest in trail running technology
Final Thoughts
Each of these On Running trail shoes excels in its intended purpose. The Cloudultra 3 delivers unmatched comfort for long distances, the Cloudsurfer Trail 2 offers versatility for varied training, and the Cloudultra Pro provides elite-level performance for serious competitors.
Consider your running goals, preferred terrain, and experience level when making your choice. Remember, the best trail shoe is the one that matches your specific needs and keeps you comfortable and confident on every adventure.
Ready to find your perfect trail companion? Explore our range of On Running trail shoes and discover why thousands of runners trust On Running for their trail adventures.
Visit our Run Trails store to try on these shoes and speak with our expert staff about finding your perfect fit. We're here to help you make the most of every trail run.