Nike Zoom Pegasus 35 Sizing Guide: Run Small? (67 Pairs)

Nike Zoom Pegasus 35 Sizing — What 67 Pairs in the Feetlot Database Tell Us

The Nike Zoom Pegasus 35 is a daily-trainer running shoe tracked across 67 owner-reported pairs in the Feetlot database. The fit pattern across those owners is consistent for a running model: the typical wearer ends up about half a size larger than their everyday Nike lifestyle size. That matches the common advice for the Pegasus line — running shoes are bought with extra toe room so feet can swell and splay over a long run without jamming into the front of the shoe.

The reason is the running last and the use case rather than a defect in the build. The engineered mesh upper wraps the midfoot closely, and the Zoom Air forefoot unit sits under a snug toe box. A true-to-size pair feels fine standing in the store but turns tight once your foot lengthens mid-run, which is why the Feetlot data lands on a half-size-up recommendation.

Should You Size Up or Down in Nike Zoom Pegasus 35?

Standard fit (most people)

Go half a size up from your true Nike size. The Pegasus 35 is a neutral daily trainer, and the half-size bump leaves a thumbnail of space in front of the longest toe — the room runners need once the foot swells and slides forward on footstrike. A true-to-size pair tends to feel short after the first few miles.

Wide feet

Size up half and look for the wide (2E) width if you can find it. The engineered mesh has some give but the forefoot is on the narrower side of Nike's running range. The half-size-up keeps length right; the wide width is what actually solves girth, since going up a full size just adds sloppy length without enough extra width.

Narrow feet

Stay true to size, or size up half if you want running room. Narrow feet lock in well thanks to the wrapping mesh upper and the lacing, so a true-to-size pair won't swim the way a wide lifestyle shoe might. If you run longer distances, the half-size-up still helps with toe clearance even on a narrow foot.

Pegasus 35 vs other Pegasus versions

The Pegasus 35 follows the same length sizing as the wider Pegasus line, so the half-size-up advice carries over from the model you already run in. The 35 introduced a fuller-length Zoom Air unit and a tapered heel, but those changes affect ride and feel, not the length you should buy. Pick the same number you take in your current Pegasus.

How Nike Zoom Pegasus 35 Compares to Other Sneakers

The Pegasus 35 fits at essentially the same numerical size as a cluster of popular sneakers in the Feetlot database. According to Feetlot data, it sits at the same number as the Air Jordan 1, adidas YEEZY Boost 350 V2, Nike Air Max 90, Nike Blazer Mid '77, Air Jordan 4, Nike SB Dunk Low, and Nike Air Max 97. If you take size 10 in any of those, take size 10 in the Pegasus 35 as well.

The notable exceptions run bigger than the Pegasus, so you'd buy a smaller number in them than in your Pegasus. According to Feetlot data, the Nike Air Force 1, Vans Authentic, Converse Chuck Taylor, and adidas Superstar all run about half a size bigger-fitting than the Pegasus 35 — so they take half a size down from your Pegasus number. Boot-style models run roomier still: the Clarks Desert Boot runs a full size larger, so go a full size down from your Pegasus number when buying those.

Sign in to Feetlot and add a few of your other sneakers to get a personalized Pegasus 35 size recommendation calibrated to your actual foot rather than to the population average.

Nike Zoom Pegasus 35 Size Chart (US / EU / UK)

Common Sizing Mistakes

• Buying your lifestyle size. The Pegasus 35 is a running shoe, not an Air Force 1. The size that feels perfect standing around is half a size too short once your foot swells on a run.
• Sizing up a full size for room. A full size up adds sloppy length and lets the heel slip on footstrike. Half a size up gives the toe clearance runners actually need.
• Sizing up a full size for width. Width is a girth problem, not a length problem. Buy the wide (2E) version instead of going up a full size, which just leaves dead space at the toe.
• Buying tight expecting the mesh to stretch. The engineered mesh upper softens slightly but doesn't grow in length. A too-short Pegasus stays too short.
• Confusing GS with Men's sizes. Grade-School Pegasus tops out at 7Y and is built on a smaller last than Men's, which starts at 7. Check the box stamp.

How Feetlot Computes These Numbers

Every Nike Zoom Pegasus 35 sizing recommendation on Feetlot is the output of a global offset model fit to over 100,000 owner-reported shoe records. Each shoe gets a single number — its "size offset" — that captures how much its sizing drifts from the reference shoe (Nike Air Force 1). When a Feetlot user provides their size in any tracked sneaker, the model recovers their true foot baseline and recommends the matching Pegasus 35 size.

This works better than the more common pairwise approach because Feetlot uses the entire wardrobe graph. A YEEZY 350 owner contributes data about how YEEZY fits relative to AF1 owners, which links to runners who own both lifestyle sneakers and the Pegasus, and so on. Even when two users share zero shoes directly, the chain of users in between transmits a consistent recommendation. The result: sizing advice that holds up no matter how unusual a wardrobe is.