For long-distance speed and fast final laps on the track.
On's long-distance track spike supershoe. The Cloudspike Amplius 2 delivers the perfect combination of cushioning, energy return and comfort for the longest track races – up to 10,000m.
Product Highlights
- Fresh legs are fast legs - With a Helion™ HF hyper foam midsole, this shoe offers highly responsive cushioning and big energy return, while minimizing impact on the body. For fresh legs on the last lap.
- Propels you forward - The top-loaded midfoot Speedboard® delivers stability and arch support – enabling athletes to maintain an efficient and steady pace lap after lap.
- Lightweight comfort - Designed with race-day performance and comfort in mind. Its one-piece upper delivers lightweight support and protection, ensuring peak performance during the longest-track events.
- Superior grip - Thanks to precise traction optimization and five spike pins, this shoe is light yet guarantees peak performance and grip on the track.
Product Details
- Best For: Track, Race Day
- Sizing & Fit: True to Size, Fitted Toe Box
- Support & Cushioning: Neutral, Light Cushion
- Feel: Responsive
- Drop: 7mm
Shipping:
Free on all orders over $75.
Please note delivery times are estimates.
- Ontario & Quebec:
Standard (3–5 days): $10, free over $75.
Express (2–3 days): $25, $20 over $75. - Rest of Canada:
Standard (3–5 days): $15, free over $75.
Express (2–3 days): $35, $30 over $75.
Returns:
- 14-day return policy. See our returns & exchanges policy here for more detail.
- One free return per order on qualifying items.
Exchanges:
Free exchanges within 30 days.
This spike
Plate stiffness
Soft
Plate stiffness refers to how rigid the spike plate feels underfoot. A softer plate creates a more flexible and forgiving ride, while a stiffer plate feels more aggressive and propulsive.
The best option depends on the athlete’s event, speed, strength, experience, and personal preference. The event ranges below are general examples, not strict rules.
- Soft: More flexible and forgiving. A good option for athletes who want to reduce fatigue while maintaining a smooth, efficient feel. Typical event examples: 3,000m to 10,000m.
- Moderate: A balanced mix of flexibility and propulsion. Often a versatile option for athletes who want some snap from the plate without the most demanding or aggressive feel. Typical event examples: 400m to 1,500m.
- Stiff: More rigid, aggressive, and propulsive. Usually best suited for faster, stronger athletes who can generate enough speed and force to benefit from a firm platform. Typical event examples: 60m to 400m.
When choosing spikes, plate stiffness should be considered alongside the athlete’s comfort, experience, and how the shoe feels at race pace.
Best For
Every Day Running
Walking
Speed Work
Race Day
Track
Recovery
Trail
Plate:
Nylon Plate
A flexible plate that enhances responsiveness while maintaining comfort for daily training.
Cushioning
Light Cushion
Light
High
A thinner layer of cushioning for a more responsive, closer-to-the-ground feel.
Support
Neutral
Neutral
High Support
Neutral shoes that provide a natural running experience with balanced support and no added stability features.
Feel
Responsive
Responsive
Extra Soft
Cushion that bounces back quickly, for a lively, 'feel-the-ground' experience.
Sizing & Fit
True to Size
Runs Small
Runs Large
A properly sized toe box offers about 1 cm of length in the front and provides a secure fit with room for natural movement, without excess width.
Weight
157.3g/5.55oz
129g
351g
Drop
7 mm
0mm
12mm+
The height difference between heel and toe. High drop (8mm+) aids heel strikers, longer distances, and Achilles relief, low drop (0-4mm) suits midfoot/forefoot strikers and a natural feel.