The Western States 100 Is Back and It’s Going to be HOT!

Western States is famously competitive - and this year is shaping up to be one of the toughest competitions yet with hot temps, and a stacked field.

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Jim Walmsley and Magda Boulet will be back at the Western States Endurance Run this week. 

And so will Clare Gallagher, Patrick Reagan, Max King and Brittany Peterson. And, so too is race pioneer Gordy Ainsleigh and 312 other inspired runners who have been training for more than a year and a half to get to the starting line. In fact, we’re all heading back to the Sierra Nevada range this weekend — even if vicariously — to what feels like a bit of normalcy returning.

After a year mostly away from the trail racing running scene, things are starting to feel like old times. With stacked men’s and women’s fields, scorching heat in the forecast and last year’s Covid-19 hiatus hopefully mostly behind us, it’s definitely the event the ultrarunning community has been looking forward to. The race begins at 5 a.m. PST on June 26 and it looks like it’s going to be an epic one. (Follow via live tracking or the live race-day broadcast.)

“Yeah, it will be good to be there and see people and actually be in the race,” says Walmsley, who won the race in 2018 and 2019 in course-record times. “It’s been an odd year.”

Odd for sure, but with deep men’s and women’s fields, hot weather, dusty trail conditions and the late June gathering of a few hundred runners on this hallowed ground feels somewhat normal. The mountains and canyons in and around Olympic Valley northwest of Lake Tahoe have been a sacred place for the native Washoe people for thousands of years before  Gordon Ainsleigh’s first romp over the Western States Trail in 1974.

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It’s been an especially odd year for Walmsley, who, for the second straight year, had planned to use the first half of his year training for the 90K Comrades Marathon in South Africa. But that was canceled last year (with just about every other big race, including the Western States 100) and this year, too. 

So instead, after setting a new U.S. 100K road record in January, he took a sponsor’s entry into the Western States 100 from HOKA One One and will be once again lining up in America’s most celebrated trail running race. With notable first-timers Tim Tollefson and Hayden Hawks in the mix along with Walmsley, Reagan, King, Matt Daniels, Alex Nichols, Kyle Pietari, Mark Hammond, Stephen Kersh, Jeff Browning and Jared Hazen all returning with previous top-10 finishes, on paper anyway, the men’s race is shaping up to be one of the most competitive in recent memory or maybe ever, even though it’s comprised entirely of domestic runners. 

The women’s race might be even more competitive with former champions Boulet, Gallagher (2019) and Kaci Lickteig (2016) leading the way, plus elite American runners Camille Herron, Addie Bracy, Camelia Mayfield and Keely Henninger and international stalwarts Ruth Croft (New Zealand), Audrey Tanguy (France), Beth Pascall (UK), Emily Hawgood (Zimbabwe), Kathryn Drew (Canada) and Ragna Debats (Spain) joining the fray.

Who are the favorites? It’s hard to tell. Most of those runners, including Walmsley and Boulet, have admitted to having dealt with some minor injuries, inconsistent training, a lack of motivation and other setbacks over the crazy year that was. Based on what runners have been reporting, it seems like most are just eager to get back and immerse in a competitive 100-miler and see what they can do.

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However, one of the keys will certainly be who can survive the heat the best. The forecast is calling for high temperatures in the upper 80s to the high 90s on Saturday after and the canyons between Robinson Flat and Michigan Bluff could even reach over 100 degrees. 

Walmsley has said he’s dealt with some IT band issues and has focused mostly on running with a lot of vert, focusing on getting optimal recovery, strength sessions and body work, as well as spending as much time running in extreme heat as possible. That includes running and hiking countless laps to the summit of 9,298-foot Mt. Elden in Flagstaff, averaging 20 to 25 hours per week on the trails and also spending a lot of time on a bike trainer. 

But he’s also spent a lot of time in the infrared sauna in his home and spent time with family in the Phoenix area, where he ran in the afternoons amid 115- to 120-degree heat.

“The heat training is kind of lucky for me, because growing up in the heat in Arizona, I didn’t know any different,” Walmsley says. “I just thought everyone was roasting in the heat. It’s what I grew up with and I try to lean into those memories and embrace the heat.” 

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Boulet, who lives in Berkeley, Calif., has also gone out of her way to train in the heat. While she says her build-up has been inconsistent compared to previous years, she’s been doing a lot of climbing and descending in the heat, and also working on box jumps to strengthen her legs for the long descent into Auburn. She says a recent 40-mile run up 3,849-foot Mt. Diablo east of Berkeley, is a good indicator that she’s ready to roll. 

“I’ve definitely been spending more time in the heat lately, which is something I personally don’t enjoy running in,” says Boulet, who won the race in 2015, DNF’ed in 2016 and placed second in 2017. “But I know the importance of preparing in the heat and falling in love with running in the heat by race day. You can be as physically as ready as possible in terms of your fitness, but if you don’t have the heat training and you’re trying to tackle some of the parts of the canyons that are in the middle of the race, It’s really tough.”

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Given the extreme heat, it’s not likely that anyone will challenge Walmsley’s 14:09 course record set two years ago, when it was in the low-80s and cloudy on race day. But there’s also no snow on the course this year, so the early sections that have previously forced runners to hike and walk early on will likely be faster, and that will likely result in fatigue that will slow them down in later stages of the race.

“You’ve got to take what the course gives you,” Walmsley says. “I’ve learned that you don’t fight the course where you shouldn’t. I have some splits in mind that would get me there under 15 hours and maybe close to 14:30, but it’s going to be all about feeling out what the course is giving me, following those guidelines and not forcing it. Because anyone who forces it in that heat will be doomed.”


Brian Metzler was the founding editor of Trail Runner and now serves as a contributing editor.

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