Built for Runners: NAO RL vs. NAO LT

Whether you’re heading out before sunrise, finishing a run long after the sun disappears, or pushing through the late miles of an ultra, reliable lighting becomes more than a convenience, it becomes part of your rhythm. The NAO range offers two approaches to running performance: NAO RL for ultra-distance athletes seeking maximum performance and the NAO LT for runners who prioritize lightweight comfort and simplicity for everyday training and racing.

What makes a headlamp running specific?

Trail running demands a headlamp that performs very differently than one designed for camping, hiking, or general outdoor use. 

A running headlamp needs a stable fit that won't bounce with every stride, balanced weight for long-term comfort, wide-beam patterns that allow you to read terrain ahead, and enough burn time to last through early morning training sessions or all-night efforts. Weather resistance also becomes critical when conditions change mid run. 

Many traditional camping headlamps simply aren’t designed with running in mind, often feeling bouncy or overly focused on close-range lighting. Rear visibility is another important consideration, especially for runners crossing roads or sharing trails with cyclists and other users in low-light conditions. This is where the Petzl NAO RL and Petzl NAO LT separate themselves from traditional headlamps, with designs built specifically around the needs of runners moving fast through changing environments.

NAO RL 

Built For Performance

The Petzl NAO RL is designed for runners pushing into long distances, technical terrain, and all-night efforts where visibility and efficiency matter most. With up to 1500 lumens of brightness, it’s built for ultra races, fast downhill running, and moving confidently through demanding terrain after dark. 

At the center of the NAO RL is Petzl’s REACTIVE LIGHTING technology, which automatically adjusts brightness based on your surroundings. Instead of constantly reaching up to change lighting modes, the headlamp adapts for you, helping optimize battery life while allowing you to stay focused on movement, footing, and terrain ahead. 

This becomes especially noticeable in real-world running scenarios. On open trail sections, the beam increases to maximize visibility further down the path. When looking at reflective course markers, maps, aid stations checkpoints, or climbing steep switchbacks where nearby terrain dominates your field of view, the light automatically lowers to reduce unnecessary brightness and conserve energy. The result is a more seamless running experience with fewer manual adjustments throughout the night.

Long-distance comfort is equally important. Weighing just over 145 grams, the NAO RL uses a rear battery pack to better distribute weight across the head, creating a more balanced feel during extended runs and races. The adjustable headband helps maintain stability over hours of movement, even on rough terrain or during faster efforts. 

For competitive runners, ultra athletes, and anyone moving quickly through technical terrain, the NAO RL is built to prioritize maximum visibility, adaptive performance, and long-term comfort when conditions become more demanding.

NAO LT 

Lightweight Simplicity for Everyday Running

The Petzl NAO LT is built for runners who want reliable performance in a lighter, more minimalist package. Weighing just 90 grams, it features an ultra-thin breathable headband designed to feel almost unnoticeable while running, whether you’re heading out for daily training miles, evening road runs, or casual trail sessions. 

Despite its lightweight design, the NAO LT still delivers strong performance with up to 600 lumens of brightness and the ability to maintain maximum output for up to two hours. Three lighting modes allow runners to balance brightness and battery life depending on the terrain, pace, and duration of their run.

The NAO LT is also designed with versatility in mind. Its HYBRID CONCEPT construction allows it to run on either the rechargeable CORE battery or standard AAA batteries, offering flexibility for both everyday training and travel. USB-C charging simplifies recharging between runs, while IPX4 rain resistance helps the headlamp handle changing weather conditions and wet environments. 

Sustainability also plays a role in the design. The NAO LT incorporates recycled materials, while the rechargeable CORE battery helps reduce disposable battery waste over time. 

For daily runners, casual trail athletes, and road-to-trail runners looking for lightweight comfort without unnecessary complexity, the NAO LT delivers a streamlined balance of performance, versatility, and simplicity.

Side-by-Side Comparison