Hal Koerner's Field Guide to Ultrarunning - Autographed Copy
SKU: 62555005625

Hal Koerner's Field Guide to Ultrarunning - Autographed Copy

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Hal Koerner's Field Guide to Ultrarunning - Autographed CopyTraining for an Ultramarathon, from 50K to 100 Miles and Beyond Hal Koerner with Adam W. Chase Ultramarathon doesnt leave much room for mistakes. Dont learn the hard wayget a jump on training for an ultramarathon with Hal Koerners Field Guide to Ultrarunning, a comprehensive handbook to running 30 to 100 miles and beyond, written by one of the most experienced and recognized athletes in the sport. Hal Koerner is among Americas best ultrarunners with

Training for an Ultramarathon, from 50K to 100 Miles and Beyond

Hal Koerner with Adam W. Chase

Ultramarathon doesn’t leave much room for mistakes. Don’t learn the hard way—get a jump on training for an ultramarathon with Hal Koerner’s Field Guide to Ultrarunning, a comprehensive handbook to running 30 to 100 miles and beyond, written by one of the most experienced and recognized athletes in the sport.

Hal Koerner is among America’s best ultrarunners with podium results in more than 130 ultramarathons. In his smart, down-to-earth handbook, Koerner shares hard-earned wisdom, field-tested habits, and insider tips to help you prepare for your ultra.

You’ll find guidance on exactly what you need to know to prepare for ultramarathon, including:

  • best gear for ultrarunning
  • fueling and hydration guidelines
  • choosing an ultra
  • trail-running technique
  • first-aid advice
  • beating altitude, storms, and heat
  • race-day game plans
  • crew and pacer tips
  • mental strategies to get you to the finish line

The guide offers three detailed training plans to prepare for 50K, 50-mile to 100K, and 100-mile ultramarathons.

Start your ultra with confidence and finish it strong with Hal Koerner’s Field Guide to Ultrarunning!

Foreword by Scott Jurek

Paperback with illustrations throughout.
6″ x 9″, 224 pp.X

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SKU: 62555005625

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Cassie
New York, US
★★★★★ 5
Great Value and very durable
Style: Small Ball, Size: 1 Count
Very durable! We have purchased this for our new lab puppy. Highly recommend them. We have bought them before for our retrievers and it has been one of the longest lasting toys they own. Which says a lot because toys get torn up fast in our house. Definitely a good value and the material is easy on their teeth. Also it keeps ours busy for a while.
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Reviewed in the United States on June 11, 2026
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Anthony Ginnetti
Lexington, US
★★★★★ 5
Great product! Durable, chewable, awesomeness!
Color: Grilled color, Color: Grilled color
Very well made and durable. My dog hasn't left them alone since i opened them. Hes been at it for about 45 minutes straight now! Lol. He's an avid chewer. He will chew thru and fabric or cloth toys in less then a day. But these are what he really likes because they take time to chew apart. The shapes, are great, because one he props up with his paws and chews and it seems like it's easy to grip for him. Thru are hard so if you have hard floors it can get a bit noisy when he drops them. Over all this is a great product. Safe, chewable, long lasting, fun shape looks real to him (i think lol), Me and my dog Lucky are both happy with his new toys!
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Reviewed in the United States on March 27, 2026
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Jackster
New York, US
★★★★★ 5
Recommend for very heavy chewers
Color: Grilled color
My aggressive chewers love these! It’s been a few weeks and still in one piece and man they chew them for hours on end.
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Reviewed in the United States on May 26, 2026
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Nicholas Kiefer
Cuba, US
★★★★★ 5
Amazingly great product!
Color: Grilled color
I’m not just saying this, ok, this is not hyperbole: this is THE best nylon bone for chewing that I have ever purchased. And you get TWO of them for relatively less expensive than most chew toys give you one! I have 2 golden retrievers, and if you know goldens, you know that they are some of the most relentless and powerful chewers around. So I can’t give them almost any toy other than rubber stuff or it will be destroyed in a period of time that doesn’t make it worth it. One of them even figured out how to destroy a supposedly indestructible toy made out of kevlar! She was able to get into it through the seam, which is not kevlar ha ha. Anyway, I digress; I never even considered nylon chews because they suck! Usually. Usually my dogs in the past have lost interest with them in less than a day. I took a chance on these mainly because of the novel shapes, the fact that they give you two, and the low price. Both my goldens LOVE these! Not just for one day, but going on weeks now! I don’t know if it’s the flavor or what, but I will see them gnawing on one of them at some point every day. And they CAN’T destroy them (I knew nylon was good for that, but it was the “who cares” attitude of my previous dogs toward nylon that kept me away). Both the “ribs” and “steak” (quite clever) are a bit worn on the edges now, but they look like they will be around for years. You can’t go wrong with this product (unless for some reason your dog does not like the flavor, but the flavor seems to be what draws my dogs to them). I highly recommend this (these) as the most cost-effective chew toy I’ve ever purchased.
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Reviewed in the United States on November 1, 2025
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Sue Roob
Phoenix, US
★★★★★ 4
Great for larger dogs
Color: Grilled color
I think they were heavy duty and durable, but they were too heavy for my dog. The seller was excellent though!
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Reviewed in the United States on May 31, 2026

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