Training for a Fast 5k with Runna, Weeks 9-12 @kofuzi
Training for a Fast 5k with Runna, Weeks 9-12  @kofuzi
Uploaded June 2025 | Updated September 2026, 7 hours ago
We are in the final stretch of my training plan for a fast 5k with Runna. In the first episodes of this series, I’ve had to try and balance training with a lot of travel, and in the last episode, we ended with a trip to Japan and a 5k time trial. And in this episode, we’ll do a bunch more hill sprints as I get four weeks of training at home as we head into peak week. Plus, I’ll get to run a very different kind of 5k race.

0:00 intro
0:37 Week 9
7:36 Week 10
13:09 Week 11
19:12 Week 12
25:30 Runna Predictions

Catch up on Episode 1: Weeks 1-4
youtu.be/GnzBG5qJbtc

Episode 2: Weeks 5-8
youtu.be/sNuIRDMqPaQ

Disclosures: Runna is the sponsor of this video series. No other brand has paid to have their marks or products depicted in this video. At the end of the video, I mention that I have a promo code. I do not earn any more money if you use the code. I do not lose any money if you choose not to use the code.

If you’d like to try Runna for free for two weeks, use code KOFUZI
web.runna.com/redeem?code=KOFUZI

If you want to join me in racing the First to Fast 5k in New York on June 7, there’s still time to sign up
eventbrite.co.uk/e/runnas-first-to-fast-5k-new-york-city-tickets-1269187025559?aff=oddtdtcreator

subscriber count at time of upload: 218,312
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Training for a Fast 5k with Runna, Weeks 9-12

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