# @runwithbigj on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/DatdH82jO4K
- **Gondola URL:** https://gondola.cc/posts/68189957-runwithbigj-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/793285a610.jpg
- **Posted:** 2026-07-12T22:51:15.000+00:00
- **Account Owner:** BIG J (Jonas F) (@runwithbigj) — https://gondola.cc/runwithbigj

## Caption

Weekly Proof of Work #2

I’m committed to the process. I’m excited about this block. I think my response to training has been fantastic. 

Four weeks ago: Threshold pace required concentration.

Today: “I barely look at the watch” is what I kept telling myself during Tuesday’s threshold workout. 

That tells me my body is recognizing LT pace naturally. 

Week 1-4 was about building foundation:

✅ Better aerobic capacity.

✅ Better threshold.

✅ Better pacing.

✅ Better confidence.

✅ Better running economy.

✅ Better durability. 

Week 5 will be about building on the adaptations I’ve earned. 

A big performance limitation has been dehydration. As a heavy sweater, I’m still yet to figure out how to hydrate properly before and during long runs in the heat. 500mg of sodium just doesn’t cut it for me. I lose about ~ 1,800mg of sodium per hour running. 

This is what the block is for: Learning and applying. 

Another week completed and I’ve stacked two quality speed sessions, and a lot of aerobic volume. Brick by Brick.

Let’s get it. 

#enduranceathlete #marathontraining #runninglife #hydrationforrunners

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## Tags

enduranceathlete, 2, runninglife, marathontraining, hydrationforrunners

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