Bogdan Boboc

It's nearly impossible to check your watch when you're charging up a steep hill or dodging roots on a narrow trail. Watch glances and distractions could not only slow me down but put me at serious risk of tripping.
Discovering trail running a year ago completely transformed my approach to fitness. As a personal trainer and hybrid athlete, I've always balanced strength training with cardiovascular work, but the unique challenges of navigating technical terrain at pace opened up an entirely new dimension to my training.
Trail running presents a fundamental challenge that road runners rarely face—the impossibility of safely checking your watch while navigating technical sections. When you're charging up a steep incline or picking your line through rocks and roots, even a momentary glance at your wrist could result in a dangerous fall. This created a significant data gap in my training, particularly during interval work where precise intensity management is crucial.
ENGO Eyewear has completely eliminated this compromise between safety and performance metrics. Having completed several half-marathons since taking up trail running, I can now maintain complete awareness of pace, heart rate, and distance without ever taking my eyes off the trail. This constant data stream allows me to make real-time adjustments to effort based on terrain without sacrificing situational awareness.
Previously, I'd often misjudge effort on technical sections, either pushing too hard and accumulating excessive fatigue, or not hard enough and missing training targets. Now, with heart rate data constantly visible, I maintain precise intensity regardless of terrain variation. This has translated directly into more consistent training adaptation and significantly reduced recovery time between hard sessions.
As I prepare for my first full marathon next year, this ability to execute training with precision while prioritizing safety has become invaluable. The trail running community emphasizes the connection between athlete and environment—ENGO enhances this connection rather than disrupting it, allowing me to be fully present while still benefiting from critical performance data.
For trail runners specifically, ENGO represents a genuine breakthrough. The constant battle between watching your footing and monitoring your metrics disappears entirely. It's like having a coach running alongside you, keeping you perfectly on track while you focus entirely on executing technique and navigating the terrain ahead.
I'm absolutely confident that with ENGO's continued support, I'll not only complete my first marathon next year but continue improving my half-marathon performances along the way. The unwavering determination that's fueled my rapid progression in this sport has found its perfect technological complement in ENGO Eyewear."
Discover engo3




Everything runners ask, answered.
Will I even notice a difference?
The engo3 uses fixed tinted lenses (category 3), perfect for very sunny conditions. The engo3 Photochromic features photochromic lenses that automatically adapt to light levels (cat. 0 to 3), making it ideal for changing light conditions.
Is engo3 compatible with Garmin?
Yes it is, with over 81+ models of Garmin devices, plus Apple Watch.
How is engo3 different from Meta Oakley Vanguard?
engo3 is a pure performance display built for serious runners and cyclists: a lightweight AR heads-up display (38.5g) that projects your stats (pace, heart rate, cadence, and more) right in your line of sight, with 20+ hours of battery life and no camera, music, or notifications to distract you.
The Oakley Meta Vanguard is a general-purpose smart glasses product with a built-in camera and Meta AI, giving you sport stats through voice commands or audio rather than a visual display, with about 9 hours of battery life. In short: engo3 keeps your eyes on the road and your data always visible, Vanguard is a multitasking device where sport is one feature among many.
How long does the engo3 battery last?
24+hours
Can I use engo3 for trail running or ultras?
Yes!
Does engo3 have a camera?
No, engo3 doesn't have a camera. It's built purely as a data display: no camera, no music, no notifications, just your real-time stats (pace, heart rate, cadence, etc.) projected in your field of view. That's a deliberate choice to keep it light (38.5g) and focused on performance rather than content capture.
What is the weight of engo3?
38.5 gr
Read more articles

engo3 for cyclists: ride data without looking down
engo3 cyclist connected glasses put pace, power, varia radar and heart rate right in your line of sight, so cyclists never have to look down at a bike computer again.

The Marathon Wall: Understanding and Overcoming This Notorious Challenge
The marathon wall isn't a myth, it's a physiological reality that typically strikes between kilometer 30 and 35, when glycogen stores run out and the body is forced to burn fat, a far less efficien...

engo3 Kenya: The Limited Edition with Amadeus Clements
Iten, Kenya has produced more world-class marathoners than most countries combined. It's also where the engo3 Kenya was born, not in a design studio, but on the training log of an engo athlete who ...




