Streakfly 2 vs Vaporfly 3

The Streakfly 2 is Nike's short-distance specialist: a featherweight carbon racing shoe built to fly over 5K and 10K, not to baby your legs through a marathon. At 165g it is one of the lightest plated road racers you can buy, and that shows the moment you lift the pace. This is the rare super-shoe that stays nimble and low to the ground, so it turns and accelerates like a racing flat while still giving you the carbon snap you expect from a modern running shoe. Compared with the Vaporfly 4, which is built for the full and half, the Streakfly trades stack and long-haul cushioning for speed, agility and a more connected feel for the road. We rate it highly for parkrun PBs, track 5Ks and sharp interval sessions. At 170 pounds RRP it is a focused tool, and we would buy it knowing exactly what it is for.

The Vaporfly 3 is Nike's carbon racing shoe for runners who want to go fast without the towering stack of an Alphafly. It is a pure road racer, built for 5k up to the marathon, and it does that one job very well. At 194g it is light, the 8mm drop keeps you rolling forward, and the carbon plate gives you real pop when you commit to race pace. This is not a shoe for plodding. It rewards a quick, efficient stride and comes alive the harder you push. If you have run in earlier Vaporflys you will know the feeling: fast, slightly twitchy, and unmistakably a tool for race day. The newer Vaporfly 4 refines the formula, but the 3 remains a serious marathon shoe, and when it drops below RRP it is one of the better-value carbon racers you can buy. We rate it for runners who already have a daily trainer and want a dedicated PB weapon.