Marathon training is 700 kilometers of wondering what’s behind you.

For the long-run months

Marathon training is 700 kilometers of wondering what’s behind you.

Group intervals, open-road long runs, cyclists overtaking on the path — one glance in the lens keeps your form and your flow.

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Form is the whole game

Every head turn is a small tax on the posture you’re training to keep.

You’re building one thing this block: the ability to hold form when everything wants to fold. Cadence steady, shoulders loose, chin level.

Then a bike bell rings behind you on the towpath, and you throw all of it away for half a second of blurry glance — thirty times per long run. Neck stiff by kilometer 25. Stride broken exactly when you’re practicing not breaking it.

The long-run compromises

Turning to look

Posture folds, cadence stutters, and on tired legs a twisted glance is how ankles roll.

One earbud out

Hours of half-music to maybe-hear a bike that’s already braking behind you.

Hugging the edge

You surrender the smooth line of the path to everything faster than you — for the whole run.

TriEye The View running glasses with the mirror integrated into the lens

The fix

A mirror in the lens. Form stays. Flow stays.

The View puts a small adjustable mirror inside the lens. Set it once, and everything behind you — bikes, runners, the group you’re pacing — is a glance away.

Your chin never drops, your shoulders never twist. And with a photochromic lens it rides along from grey dawn starts to full midday sun, so the 30-kilometer Sunday run needs exactly one pair.

Set it once. Then log the kilometers.

  1. 1

    Set the angle once

    A fingertip before you start your watch. It holds from warm-up strides to the last surge.

  2. 2

    Glance, don’t twist

    A flick of the eyes checks the path behind — cadence and posture untouched.

  3. 3

    Hold your form

    Kilometer 5 or kilometer 35: your neck runs the race, not the traffic report.

From one training block to the next

“I bought them for safety. I kept them because my neck stopped aching after long runs.”

One long run is all it takes — the glance becomes part of your stride.

What runners say

★★★★★ 4.8 · 790+ reviews
Love these — I’d recommend them to all cyclists, and even runners!
Jack G., Verified Buyer
Love being able to see behind me at a glance!
Harold B., Verified Buyer
No more turning my head to see what’s behind me. Easy glance, great fit, and the mirror doesn’t move at all.
Daniel M., Verified Buyer

Train the form. Keep the form.

The View — running glasses with a rear-view mirror in the lens.

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Free shipping · 30-day returns · 2-year warranty