Comparison Overview
The Nike Pegasus 40 is the latest evolution of the Pegasus 39 line. Both versions are excellent choices.
How the Nike Pegasus 39 and Nike Pegasus 40 differ
The Nike Pegasus 39 and the Nike Pegasus 40 are both daily trainer shoes from Nike, which makes this a classic same-line comparison: same design language, similar fit philosophy, but meaningful changes in feel and intended use.
The headline difference: the Nike Pegasus 39 comes in roughly 0.1 oz lighter (9.8 oz vs 9.9 oz), which becomes noticeable on faster turnover and longer efforts. Everything else (fit, outsole geometry, upper) is close enough that it comes down to personal preference.
Head-to-Head Comparison
| Feature | Nike Pegasus 39 | Nike Pegasus 40 |
|---|---|---|
| Brand | Nike | Nike |
| Model | Pegasus 39 | Pegasus 40 |
| Category | daily trainer | daily trainer |
| Weight | 9.8 oz | 9.9 oz |
| Drop | 10mm | 10mm |
| Price | $130 | $130 |
Frequently Asked Questions
- Which is lighter, the Nike Pegasus 39 or the Nike Pegasus 40?
- The Nike Pegasus 39 is the lighter shoe at 9.8 oz versus 9.9 oz.
- Which costs less?
- The Nike Pegasus 39 is the more affordable option at $130 compared to $130.
- Can I rotate both shoes in the same training block?
- Yes — many runners pair complementary shoes like these to spread load across different muscles and tendons. Use our rotation planner to build a mileage split that fits your schedule.
Read the full reviews
- Nike Pegasus 39 — full specs, AI insights, and verdict.
- Nike Pegasus 40 — full specs, AI insights, and verdict.
- Browse the full running shoe database
- See more shoe comparisons
Not sure which is right for you?
Use our AI-powered shoe finder for personalized recommendations, or build a smart shoe rotation with the rotation planner.