Altra Timp 3 vs Timp 4
Updated August 7, 2026. Specs are men's US 9.
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THE SHORT ANSWER
The Timp 4, by default. Amazon's Altra Timp 3 stock is gone in both men's and women's sizes, so what follows is a record of what changed, not a choice you still have.
- Altra Timp 4Sizes running outMen's at AmazonWomen's
Availability last checked Aug 7, 2026. Prices and stock change without notice.
Every spec, side by side
| Spec | Timp 3 | Timp 4 |
|---|---|---|
| FIT AND WEIGHT | ||
| Weight | 9.6 oz | 10.7 oz |
| Road Trail Run's measured men's 9, and Blister weighed the same size at 303 g independently. Softer foam and a heavier upper cost more than an ounce, and the reviewers who were cool on the shoe led with weight. | ||
| Widths | D | D |
| Upper | Thicker mesh with hot-melt vamp panels, a reshaped heel cup and a lace garage | One-piece woven mesh with TPU overlays and a padded heel collar |
| A full redo rather than a patch. The heel collar got noticeably more padding here, which matters two versions later: it is the part the 5 cut back. | ||
| CUSHIONING GEOMETRY | ||
| Heel stack | 29 mm | 29 mm |
| Forefoot stack | 29 mm | 29 mm |
| Drop | 0 mm | 0 mm |
| MATERIALS | ||
| Midsole | Quantic | Altra EGO MAX |
| The change that made this the version people bought spares of. EGO MAX is softer and springier than Quantic; RunRepeat's durometer read it 37 percent softer than the trail-shoe average. One caveat from the same lab: it firmed up 61.3 percent after 20 minutes in a freezer against a 24.5 percent average, so it is a warm-weather foam. | ||
| VALUE | ||
| List price at launch | $140 | $160 |
| The biggest single price step in the line, $20 in one version. | ||
| OTHER CHANGES | ||
| Outsole | MaxTrac with the InnerFlex groove pattern | MaxTrac, lug shapes and directions recut |
| Still Altra rubber. Grip was the standing complaint about the Quantic-era Timps on wet rock, and it stayed one for another two years. | ||
Weighing whether to switch at all, rather than which of these two to buy? What replaced the Altra Timp 3 covers the verdict on the update, what loyalists made of it, and the closest alternatives from other brands.
Buy the Timp 3
Old stock goneAmazon's stock of the Altra Timp 3 is gone in both men's and women's sizes, and discontinued stock does not come back.
Old stock is gone. See what replaced it
Buy the Timp 4
Sizes running outDiscontinued at retail. Amazon carries what remains, so treat an in-stock size as a closing window, and expect prices to swing.
Availability last checked Aug 7, 2026.
Questions runners ask
- Which is lighter, the Altra Timp 3 or the Timp 4?
- The Altra Timp 3, by 1.1 oz in a men's US 9 (9.6 oz vs 10.7 oz).
- Did the price change between the Altra Timp 3 and the Timp 4?
- Yes. List price went up $20, from $140 to $160. Street prices differ: the older shoe usually sells under list once its successor ships.
- Do the Altra Timp 3 and Timp 4 come in the same widths?
- Yes. Both run in D for men's sizes, so a width that fit in the Timp 3 carries over to the Timp 4.
- How do the stack heights compare?
- 29 mm heel and 29 mm forefoot on the Altra Timp 3, against 29 mm and 29 mm on the Timp 4. Same platform under both.
- Is the Timp 4 still the newest Timp?
- No. The Timp 5 replaced it in 2024, so the Timp 4 now sells as an older model and usually below its $160 list price.