Trail Running Gear

Leadville Trail 100 Gear List: The Kit Worth Considering for a High-Altitude Hundred

A practical gear list for the Leadville Trail 100, covering footwear, lightweight layers, hydration, poles, and watches that earn their place over 100 Rocky Mountain miles.

Flat lay of trail running gear including shoes, jacket, flask, poles, and watch

Introduction

The Leadville Trail 100 is a race that punishes bad planning. It is largely runnable, but it stacks a few massive climbs, including the famous Power Lines, the Twin Lakes climb, and Hope Pass, which you go up, over, and then right back up again. Everything happens at altitude in the Rocky Mountains, where mid-60s temperatures can drop into the mid-30s overnight and weather can turn without warning.

That combination rewards a light, functional kit: breathable layers for the sun at 10,000 feet, warm layers for the night miles, a secure way to carry fluids and nutrition, and dependable electronics. Here is the gear worth considering if you are building your own list for a high-altitude hundred.

Footwear for the Long Haul

The La Sportiva Prodigio Pro is a super versatile trail racing shoe that works for ultra and shorter distances alike. It combines a really nice fit with a lively underfoot feel and great grip, which is exactly the mix you want for a course with this many runnable sections. It has been consistently sold out with good reason, and it is a shoe you can spend a full hundred-mile day in.

Trail runner moving along a high-altitude rocky mountain trail in morning light

If things go sideways and more stability or underfoot protection becomes necessary, a denser midsole mountain shoe with a similarly nice fit is a smart backup to stash with your crew.

Apparel Strategy: Light, Functional, Layered

At altitude, the sun is intense even on a cool day, so the base layer matters. The La Sportiva Wave shirt is extremely breathable, semi-transparent, and white to reflect sunlight, with strategic underarm vents. It layers easily when temperatures fall.

On the bottom, trail-specific half tights with multiple pockets are the standard choice, roomy enough for nutrition and wrappers while staying comfortable over long hours. Swiftwick Flight XT crew-length merino blend socks protect the ankles from debris, and bringing a spare pair to change after creek crossings past Hope Pass is a small move that pays off.

For cold mornings, a lightweight Polartec gridded fleece crew packs surprising warmth while staying breathable and easy to throw on. If another layer is needed, the Outdoor Vitals Ventus hoodie adds a synthetic down blend over the front panel and shoulders, breathable under the arms, with a hood that fits nicely over a headlamp at night. When it turns windy or wet, a featherlight wind jacket that packs into its own pocket goes straight into the waist belt, and a truly packable waterproof rain shell rides in the pack for the long stretch over Hope Pass.

Weather Backup: La Sportiva Blizzard Jacket

The Blizzard jacket is the lightest wind jacket in a lot of runners’ rotations. It packs up small enough to live in a waist belt pocket, yet it still offers a large back panel for breathability, so you get protection and ventilation at the same time. It is the first pull-on choice for wind or squalls anywhere along the course, and it has earned a permanent spot in winter run kits too.

Hydration and Carrying Systems

Going light and fast means carrying the essentials on the body. The Raidlight LF2L waist belt is the most secure waist belt many trail runners have ever used, with room for a surprising amount of gear. The setup is simple: soft flasks front and back, one flask in hand secured with an Ultimate Direction clutch wrap around the wrist and bottle, and collapsible flasks that can be swapped out and stashed easily.

Runner wearing a compact waist belt with soft flasks on a mountain trail

For emergencies, a filter cap that screws onto almost any soft flask turns river water into clean drinking water. It is the kind of item you hope never to need, and exactly what you want for 100 miles.

For the long unsupported stretch between Twin Lakes and Hope Pass, the La Sportiva Trail 5L pack keeps things simple: a rain jacket in the back, a couple of soft flasks, and nutrition ready to go. The wide arm openings keep you mobile, and the broader strap system wraps securely around the chest.

Trekking Poles for the Big Climbs

Poles are genuinely necessary for big climbs late in a long race. The Black Diamond aluminum Z-Poles are the standard for good reason: they collapse short, carry easily strapped to a waist belt, and deploy in seconds. Snap them together, pull up on the handle, and you are ready to climb; take them apart and stash them again for the descent.

Collapsible trekking poles partially extended beside a trail at a mountain pass

Watches and Headlamps

A 4 a.m. start and 100 miles at altitude put real demands on electronics. The Coros Vertix 2S is durable, covers every setting a mountain ultra needs, and offers onboard maps in GPS mode as a precaution. Battery life is huge, so it is never a concern, and pairing it with a Coros heart rate monitor makes it easier to avoid overexerting in the first half of the race.

For the pre-dawn hours with a steady stream of runners around, a compact, lightweight headlamp like the Nitecore NU27 throws plenty of light and stashes into a waist belt once the sun rises.

Small but Important Extras

A super-light breathable hat in white keeps the sun out of your eyes and reflects heat. Smith Optics Vert sunglasses are impressively light and bounce-free, transitioning well between shaded forest and bright terrain above treeline. Anti-chafe balm goes everywhere it needs to. Smartwool wind gloves add fleece-lined warmth when the temperature drops, and a gridded fleece beanie is the classic Leadville nod.

Nutrition and Recovery

The fueling plan leans light and fast: SIS Beta Fuel gels deliver a lot of carbs that go down easily, and a high-carb drink mix in the bottles adds calories and electrolytes with the fluids you need anyway. For salt losses, electrolyte tabs work before, during, and after. Whole foods matter too, and Bobo’s PB&J bars pack plenty of carbs while sitting comfortably at race pace. Pizza around meal times and bubbly water at aid stations are personal tricks that many long-distance runners swear by for settling the stomach.

Recovery is part of the plan as well. Roll Recovery slides offer a structured, cushioned fit for the day after, Normatec Go sleeves provide active recovery while sitting around, Ascent protein is a shake that actually tastes good and seems to help recovery, and Pillar magnesium has been a genuine sleep and recovery upgrade over several months of use.

Conclusion

A hundred-mile race at altitude is ultimately a logistics problem you solve one item at a time. Versatile footwear, a layered apparel system that stays light, a secure waist belt, a filter cap for emergencies, poles for the climbs, and dependable electronics all remove small failures before they happen. Build the list around the course, not the other way around, and every piece should have a job you can name.

Further reading

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