810. Emily Oster's 2025 Boston Marathon Recap

Ali on the Run Show

Ali Feller

Run, Health & Fitness, Women, Inspiration, Runner, Entrepreneur, Sports, Fitness, Health, Running

4.9 • 3.7K Ratings

🗓️ 23 May 2025

⏱️ 70 minutes

🔗️ Recording | iTunes | RSS

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Summary

"There’s this sense of all these people, they came out to watch you do this weird, crazy thing. And you’re running toward the thing you’ve been working toward for many months, and all of these people are behind you, and people beside you trying to do the same thing. It’s very special."

First, Emily Oster started running. Then she started running fast. Then she ran a marathon: the California International Marathon in 2023, where she finished in a Boston Qualifying time of 3:17:39. Now, Emily is officially a Boston Marathoner, having completed this year's race in a personal best time of 3:14:53. In this episode, the economist and best-selling author breaks it all down, including what her training was like this time around, what the energy in the city felt like for a first-time Boston Marathoner, and why she briefly considered calling it quits at mile 23.

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In this episode:

Emily’s snapshot moment from the 2025 Boston Marathon (3:30)
How Emily has been feeling since Boston (5:00)
Emily’s road to the Boston Marathon, via CIM (6:00)
Emily’s impression of Boston (10:15)
On hard work, genetics, and human limits (12:30)
Emily’s experience training through an icy New England winter, and how this training cycle was different from CIM 2023 (17:30)
Emily’s relationship with coach Kaitlin Goodman (20:20)
The race plan (23:45)
Emily’s Boston Marathon weekend plans (24:25)
How Emily was feeling on race morning, and the journey to the start line (35:20)
The start line energy (38:35)
Emily’s “very specific chunking plan” (40:55)
What it was like starting to run the Boston Marathon (44:00)
Emily’s take on the Newton hills (50:20)
“That was the moment where I was like, I am not feeling good, I can’t believe there are more miles” (53:00)
Right on Hereford, left on Boylston (56:25)
Now what? (1:00:45)
What’s dominating Emily’s inbox these days? (1:04:55)

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Transcript

Click on a timestamp to play from that location

0:00.0	Welcome to the Allie on the Run show.
0:06.2	I'm your host, Allie Feller, and this is where I talk with people who are doing exciting
0:10.7	things on the run and beyond.
0:13.1	My guest today is Emily Oster.
0:15.8	Ever since this year's Boston Marathon, Emily's first Boston, I have been inundated with requests to get Emily,
0:22.7	who is the creator of parent data, back on the show. You all want the full rundown and you know
0:28.3	I am here to serve. So today, the economist, best-selling author, and mom of two is here to talk about
0:34.9	how she ran the Boston Marathon in three hours, 14 minutes,
0:38.3	and 53 seconds. It was her second marathon. You may remember she qualified for Boston in her
0:43.8	debut at CIM in 2023, and her big goal was to break 315. So check. Before we get into the full
0:52.4	recap, this episode of The Allie on the Run show is brought to you by Youcan, and I wanted to talk about this right away so you know that Ucan is running a massive Memorial Day sale right now.
1:03.5	From now until Monday, May 26th, when you use code Allie at checkout, you are going to get 30% off any and all you can products. This is the most
1:13.4	that they mark them down throughout the year. So now's a great time. Whether you've been curious
1:18.1	about the you can edge gels, a favorite of Emma Bates, the pre-race energy packets favored by
1:23.3	Emily Sisson, or of course, the chocolate peanut butter almond bars that you know I'm always snacking on.
1:29.1	Now's the time to go to you can.com slash alley to cash in.
1:34.1	Plus, we've got a new offer at you can.com slash alley.
1:37.8	Right now, you can is offering a trial sample pack that you can get for free.
1:43.1	All you'll pay is that cost of shipping. The trial sample
1:46.0	pack is the best way to try you can's products and to see what you like and what works for you.
1:51.3	The pack includes two energy gels, strawberry banana and mocha with caffeine. You're getting a chocolate
1:57.0	peanut butter energy bar, a tropical orange energy packet, a watermelon hydrate packet,
	...

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