Podcasts · The Marathon Podcast
#226 Lars Dewall is a 2:12 marathoner but his training is different
· 1 h 19 min · S1 E226
Episode #226 Lars Dewall is a 2:12 marathoner but his training is different
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Kristian sits down with Lars Dewall, a middle school teacher and former Nordic skier who ran a 2:22 debut marathon on a three week build and has since worked his way down to a 2:12:13 personal best at the Berlin Marathon.
Lars shares how a Minnesota ski racer turned runner fits two runs a day around a full teaching job, from a 5:30 am shake out to afternoon sessions after school. He explains how his Nordic background shapes his training, why he keeps easy days really easy, and how he ramped up to 135+ mile weeks. We also get an honest look at Berlin as part of Puma Project 3, where he set a PB by 18 seconds but had to let go of his sub 2:10 goal mid race, plus a deep dive into his double threshold sessions and strength routine.
In this episode:
- Balancing a full time teaching job with a 2:12 marathon
- A normal training day, from a 5:30 am run to afternoon miles
- How Nordic skiing built his aerobic engine
- Running 2:22 in his debut marathon with only three weeks of notice
- Why he keeps easy days really, really easy
- Going from 2:22 to 2:14 at CIM to 2:12 at Boston
- Berlin with Puma Project 3 and letting go of a sub 2:10 goal mid race
- Double threshold sessions and treadmill workouts
- Why he started strength training after college
- Peak mileage of 135+ miles a week
Timestamps
00:00 Welcome and why this conversation stood out
01:58 Looking back at 225 episodes
03:07 The friendships behind the podcast and a word on Saysky
04:51 Welcome to Lars
06:26 How he balances teaching and running
07:01 A normal training day
09:11 Minnesota and Nordic skiing
13:23 Moving to San Diego and running with Lane Zero
18:12 The 2:22 debut at Grandma's on three weeks of notice
23:12 Ramping up mileage fast after moving to San Diego
26:39 Keeping easy days really easy
28:29 Training by hours, not miles
33:06 Choosing running over a promising ski career
36:11 From CIM to Boston: how he got to 2:12
41:11 Puma Project 3 and the Berlin build
43:15 Berlin: dropping off the sub 2:10 pack and still running a PB
44:22 Why the sub 2:10 barrier is still the goal
48:10 What he'd change after Berlin
56:32 Threshold sessions on the treadmill and roads
58:31 Double threshold in the Berlin build
59:21 Why he started strength training after college
1:04:22 Peak mileage: 135+ miles a week
1:14:01 Testing at Puma HQ in Boston
1:15:50 What's next after Berlin
1:17:20 Closing thoughts and a thank you to Lars
Lars on Instagram: https://www.instagram.com/dewalllars/
Start your free Musicbed trial: https://fm.pxf.io/kristianwarwick
Full episodes + the Boston 2025 documentary: https://www.youtube.com/@Warwickruns
Follow my training journey on Instagram: @warwick.runs
Music from Musicbed: MB01XPYH8ZYENVAMB0133EV2TCQFZY
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