Altra Timp 5 Review: A Lighter Long-Distance Trail Shoe With a Few Trade-Offs

Introduction

The Altra Timp 5 is the newest version of Altra’s longer-distance trail running shoe, and this generation brings a welcome change: it is noticeably lighter than the previous version. It pairs that weight drop with Altra’s classic zero-drop platform and a moderate 29 mm stack height in both the heel and forefoot, keeping the ride balanced and connected to the trail.

Who This Shoe Is For

The Timp 5 is aimed at runners who log long hours on the trail and want a roomy, secure platform that can keep going for hours. It suits zero-drop-curious runners who have at least some experience with the platform, as well as established Altra fans looking for a lighter update.

If you have never run in a zero-drop shoe before, this is not the easiest place to start, and there is a biomechanical reason for that explained further below.

Main Strengths

The headline upgrade is the new Ego Max foam underfoot. It provides a slightly firmer ride with a touch of snap and a small amount of bounce, rather than the soft, mushy feel some super-soft foams deliver. That firmer character is generally preferable for long trail days where stability matters.

The fit is classic Altra: a wide toe box and a secure, comfortable upper. One practical detail stands out for a shoe with this shape: it did not need any heel lace-locking to feel locked in, which speaks well of the upper design.

At 9.8 oz for a men’s size 9 and 8.6 oz for a women’s size 8, the weight saving over the previous version is a genuine and immediately noticeable improvement.

Things to Consider Before Buying

The Timp 5 runs slightly long, though not enough to size down. Combined with a slightly stiff ride, this changes how the shoe behaves at push-off. Because the shoe is a touch stiffer than you might expect, and slightly long, the effective lever arm of the shoe extends, which shifts more work onto the calf muscles.

With a zero-drop shoe, that extra calf load is worth taking seriously. Runners who are used to zero drop and have strong calves are unlikely to notice much, but some may feel a little extra Achilles stiffness or mild discomfort early on. If you are new to zero drop entirely, jumping straight into this shoe is probably not the safest move.

There is another side to the slightly long fit, though. On long trail efforts, feet swell, and not just in width and volume: length changes too. A shoe with a little extra room keeps toes comfortable at hour two or three, when a shorter-fitting shoe would start pinching. The Timp 5 may feel a bit stiff during the first few miles, then genuinely better as a run goes long. That makes the fit quirk less of a flaw and more of a feature for ultra distances.

Buying Advice

The Timp 5 makes the most sense for two types of runners. First, experienced zero-drop runners with strong calves who want a lighter long-distance trail shoe with a firm, slightly bouncy foam. Second, runners doing very long efforts whose feet swell and who benefit from the extra length and generous width this shoe provides.

If you are brand new to zero drop, build up in a lower-stack or more forgiving zero-drop option first, then consider stepping into the Timp 5 once your calves and Achilles are accustomed to the platform.

Conclusion

The Altra Timp 5 is a meaningfully lighter long-distance trail shoe with a comfortable, secure fit and a firm, snappy Ego Max ride. Its slightly long, slightly stiff character adds calf load that new zero-drop runners should respect, but for experienced zero-drop trail runners, especially those running very long distances, that extra room may be exactly what makes it work.