Jeffrey Stern

Mill Valley, CA | Ultra Runner 

Born exploring the steep and technical trails around Mount Tamalpais in the San Francisco Bay Area, Jeff has been a lifelong trail runner. With multiple wins and FKTs under his belt, Jeff has raced over 28 ultra marathons and tackled countless shorter, faster and steeper races like that of the Dipsea, the oldest trail race in America, where Jeff is a 15x finisher.

 

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Strava

 

2024

Andeles Crest 100 Mile - 4th

Cascade Crest 100 Mile - 3rd

The Big Alta 28K - 5th

Black Canyon 100K - 16th

Mountain Mist 50K - 1st

 

2023

Javalina Jundred - 13th

Jeffrey Stern

« En été, je veille toujours à bien m'hydrater et on n'en a jamais assez. C'est là que le bouchon filtrant de 42 mm s'avère indispensable. Il est vraiment pratique quand on est en pleine forêt et qu'on tombe sur un ruisseau ; il filtre l'eau très rapidement, je sais que je peux lui faire confiance et il s'adapte parfaitement à ma gourde SkyFlask préférée. »

Durable Through All Terrain

Jeffrey's Favorite Products

SkyFlask™ Speed 500ml
SkyFlask™ Speed 500ml

Handheld Hydration Innovation

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42mm Filter Cap
42mm Filter Cap

On-The-Go Water Filtration

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PocketFlask 500ml
PocketFlask 500ml

Low Profile Locking Flask

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Tempo Pro 525ml
Tempo Pro 525ml

Training And Race Day Handheld

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SoftFlask™ 150ml
SoftFlask™ 150ml

Reusable Nutrition Flask

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