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Nike Rival Fly 4

In production · road · Tempo / Daily · $100

Firm, low and cheap — the no-frills speedwork trainer.

Built for tempo, daily, at a target pace of 6:45–9:15 /mi on road.

The spec sheet

Weight
235 g / 8.3 oz
Heel stack
30 mm
Drop
8 mm
Plate
—
Cushioning
2 / 5
Energy return
3 / 5
Responsiveness
3 / 5
Rocker
2 / 5
Flexibility
3 / 5
Stability
3 / 5 (5 = most guidance)
Toe-box
Standard
Sizing
True to size
Durability
~400 mi
Price
$100

How it rides

The foam

Nike tuned this midsole firm (2/5 on our cushioning scale). Energy return is moderate — comfortable and predictable rather than bouncy. 30 mm of heel stack keeps you low and connected, with more ground feel than most current trainers. Combined, the ride reads as lively at 3/5 responsiveness.

The plate

There is no plate here. The midsole does all the work, so the shoe flexes naturally and stays versatile across paces — easier on the feet day to day, but without the snap of a plated shoe when you want to roll.

The geometry

A 8 mm drop is the mainstream middle — familiar to almost anyone coming from a standard trainer. The geometry is fairly traditional and flat, so the shoe follows your foot rather than steering it. Forefoot flex is middle of the road. Support is light — neutral, with a mildly steady platform.

Fit, sizing & life

The toe-box is standard width — comfortable for most feet without swimming. It fits true to size. Expect roughly 400 miles from the outsole, about $0.25 per mile at $100.

For the foams and plates Nike uses across its line, read the Nike brand guide.

How it compares

Measured against the 542 currently-available shoes in the catalog. The bar shows where this shoe sits in that range.

Weight

235 g / 8.3 oz

40 g lighter than the catalog median of 275 g

Heel stack

30 mm

6 mm lower than the catalog median of 36 mm

Drop

8 mm

2 mm higher than the catalog median of 6 mm

Price

$100

60 cheaper than the catalog median of 160

Responsiveness

3 / 5

Catalog median 3 / 5

Cushioning

2 / 5

Catalog median 4 / 5

Energy return

3 / 5

Catalog median 3 / 5

Durability

~400 mi

Catalog median ~400 mi

Within the Nike line it is lighter than the brand's median (295 g / 10.4 oz) and sits lower than its median stack (36 mm).

Closest alternatives

Current shoes with the nearest combination of weight, stack, drop, foam feel and plate.

New Balance Fresh Foam Roav V2

238 g / 8.4 oz · 32 mm · 8 mm drop · — · $100

New Balance Fresh Foam Roav V2: 32 mm heel stack, 8 mm drop, 238 g — specs from independent lab testing.

Brooks Revel 8

246 g / 8.7 oz · 32 mm · 8 mm drop · — · $100

Brooks Revel 8: 32 mm heel stack, 8 mm drop, 244 g — specs from independent lab testing.

New Balance Fresh Foam 680 v9

259 g / 9.1 oz · 30 mm · 8 mm drop · — · $110

New Balance Fresh Foam 680 v9: 30 mm heel stack, 8 mm drop, 258 g — specs from independent lab testing.

New Balance Fresh Foam X 880 v14 GTX

257 g / 9.1 oz · 31 mm · 8 mm drop · — · $180

New Balance Fresh Foam X 880 v14 GTX: 31 mm heel stack, 8 mm drop, 261 g — specs from independent lab testing.

Under Armour Sonic 7

240 g / 8.5 oz · 30 mm · 8 mm drop · — · $70

Lightweight, versatile budget trainer for everyday running.

Lineage & siblings