Michael Greven
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michaelgreven.bsky.social
Michael Greven
@michaelgreven.bsky.social
45 followers 20 following 48 posts
Avid runner from Germany, orphaned father and finisher of #the496challenge by Sean Conway

Distances: 5k, 10k, half marathon, marathon

Author of the book (in German) "Jenseits der Filterblase"
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michaelgreven.bsky.social
Winter has come now with temps slightly above freezing. It’s crazy that just two weeks ago it was still warm. Did my long run at a higher pace than previously to get myself used to that again. We’ll see if I’ll succeed.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Trees at a lake with the sun glaring on the surface and between the tree trunks.
November 23, 2025 at 8:43 PM
michaelgreven.bsky.social
20k again today as I was feeling good and motivated. Probably I had to compensate for a week with a lot of negative stress at work. The running did its thing to calm my nerves, and the weather was okay as well.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Graph showing running data (20k in 2:03 hours) Flock of birds flying over a barn in a rural area
November 16, 2025 at 8:41 PM
michaelgreven.bsky.social
Last week was stressful again. I had difficulties squeezing in my runs into a busy schedule. Unfortunately, this led to me being pretty tired today. So I decided to do the same long run as last week instead of the planned 20k.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Forest in fall colours, fallen leaves on the ground.
November 9, 2025 at 5:06 PM
michaelgreven.bsky.social
Beautiful weather today. Colourful fallen leaves everywhere. It was quite a beautiful sight to behold when I did my long-ish run, catching a break on these usually rainy and dark fall days.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Farm house and stables. A road lined by trees carrying colourful leaves.
November 2, 2025 at 5:05 PM
michaelgreven.bsky.social
19k it was for me today as my long run on a very windy and rather cold day. Had to wear my winter gear for the first time. Otherwise, I got lucky with the weather because I caught a break in the rain.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Trail through the forest, covered in fallen leaves.
October 26, 2025 at 7:04 PM
michaelgreven.bsky.social
Slowly getting back to old shape. The pace for this 20k run still felt a bit much (but shouldn’t - 5:30/km is usually still an easy run pace for me). But I will get there again. Meanwhile, my cat practiced yoga.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Image of a little river with a castle in the background. Cat on a yoga mat.
October 12, 2025 at 3:12 PM
michaelgreven.bsky.social
Next step to recovery is made. I increased my mileage this week by 20% and the long run by 1k. No more problems with the muscles. But I can feel I got a little out of shape. Will work on that going forward!
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Trees growing inundated by a lake with high water Bird swimming in a lake. I don’t know what type of bird that is :-D
October 5, 2025 at 4:18 PM
michaelgreven.bsky.social
Clocked in another long run today. 17k, that’s 2k more than last Sunday. Felt good. Seems I’m getting back on track after pulling my muscles twice :-D There’s still a long way to go until I can tackle my next challenge, though.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Brook framed by trees. Image showing running stats (17km@6:04/km) Straight gravel path through a forest
September 28, 2025 at 3:51 PM
michaelgreven.bsky.social
Slowly getting back on track, although 15k as a “long” run isn’t really much for me. After 2 consecutive injuries it doesn’t hurt to take it slow (literally). My 3rd run this week - the others were shorter and just as slow.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Blurry photo of a forest
September 21, 2025 at 7:47 PM
michaelgreven.bsky.social
After some running the week before last, I let another windsurfing session follow last Sunday. On Monday I went on another run and sprained my calf. So I did not run until today when I tried 12k real slow. It worked.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Swim dock at a lake in the sun.
September 14, 2025 at 12:23 PM
michaelgreven.bsky.social
Taking the liberty of posting something not related to running ;-) Needed a running break and went windsurfing instead. Unfortunately, there wasn’t much wind. Was fun anyhow.
#windsurfing
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Man in front of windsurfing gear at a lake greeting with the hang loose gesture
August 31, 2025 at 4:56 PM
michaelgreven.bsky.social
Had a week with a lot of work (also physical), so I scaled down my long run this weekend to short 12k. But the weather was great for running and the landscape showed itself from its best side.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Black Brook (Schwarzbach) going its own way today in bright sunshine.
August 24, 2025 at 7:44 PM
michaelgreven.bsky.social
After pulling a muscle on a bike ride, I had to pause my running for a week. Got back into it this week. It seems like I’ve healed a lot, so soon I’ll be my old self, it seems. Wish me luck, please.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Winding, sunlit road through a field.
August 17, 2025 at 7:45 PM
michaelgreven.bsky.social
Had a very wet long run this weekend. The skies decided to send me a downpour to accompany me. Of course that didn’t stop me ;) Not even the huge inundation on the road on my way back home.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Graph showing running data: heart rate 122bpm, distance 15.04k and a pace of 6:12/km. Inundated road through the forest. A house can be seen in the background.
August 3, 2025 at 7:58 PM
michaelgreven.bsky.social
Did a shorter run than usual because yesterday I ventured out on the bike for some cross training. That was fun and it was a welcome change from the running routine.

#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
#trailrunning
Image of a bike path near a country road under a blue sky A field next to a road under a blue sky. The field has recently been harvested and seems to have had rape growing on it. A drinking fountain in a forest. Some wild summer flowers in the sunshine
July 27, 2025 at 8:01 PM
michaelgreven.bsky.social
A hot and humid long run today that made me feel like I had done far more than the half marathon distance.
An image of trees in a forest with an overlay showing the running data (21.6k @ 6:14 per km) An image of a rough gravel path through a forest
July 20, 2025 at 7:44 PM
michaelgreven.bsky.social
I did my long run today after a busy week with running for 3 consecutive days, followed by a bike ride yesterday. I struggled a bit motivationally but afterward was glad I did it. You probably know what I mean :-)

#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
View from a hill into the valley where a glimpse of an airport can be seen. A wheat field under a sunny sky. A wheat field under a sunny sky. In the background one can see a strip of trees.
July 13, 2025 at 12:40 PM
michaelgreven.bsky.social
First longer run since the 496 Challenge completed.

#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
Forest trail in sunny conditions showing running data (22k in 2.17 h @ 6:17 min/km) Forest trail in the sunshine
July 6, 2025 at 1:40 PM
michaelgreven.bsky.social
Another run in the summer heat today, doing 17k. By now, I’ve become a bit used to the heat and do not need as much hydration during the workout as before. I went for a little swim in the afternoon to cool off a bit.
#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
Mountain trail which is part of my running course, showing additional stats for distance, time and pace.
June 29, 2025 at 7:55 PM
michaelgreven.bsky.social
My medal and certificate for the 496 Challenge arrived by mail today :)
#running
#the496challenge
#halfmarathon
#marathon
#trailrunning
#runnersofbluesky
Medal and certificate showing the inscription of the 496 challenge as well as certifying that I finished
June 28, 2025 at 2:02 PM
michaelgreven.bsky.social
Just completed my long run for this week, which was a lot shorter than usual. We’ve got a heat wave here and I’m planning to go for a swim as well :D

#running
#halfmarathon
#marathon
#garmin
#runnersofbluesky
Trail between to fields in the summer sun Trail in the forest in the summer sun
June 22, 2025 at 10:28 AM
michaelgreven.bsky.social
Finally, day 31 of #the496challenge (in a month with 31 days, you run 1 kilometre on the first day, 2 on the second, and so on - a total of 496k) has arrived!

Music by me.

#running
#halfmarathon
#marathon
#garmin
#beatyesterday
#runnersofbluesky
June 11, 2025 at 7:54 AM
michaelgreven.bsky.social
It’s the day before the last in #the496challenge, meaning me #running 30k on day 30 (in a month with 31 days, you run 1 kilometre on the first day, 2 on the second, and so on - a total of 496k).
Did the challenge in May.
Music by me.
#halfmarathon
#marathon
#garmin
#beatyesterday
#runnersofbluesky
June 9, 2025 at 6:28 PM
michaelgreven.bsky.social
The last three days have begun - day 29 = 29k - me #running #the496challenge (in a month with 31 days, you run 1 kilometre on the first day, 2 on the second, and so on - a total of 496k).
Did the challenge in May.
Music by me.
#halfmarathon
#marathon
#garmin
#beatyesterday
#runnersofbluesky
June 9, 2025 at 6:19 PM
michaelgreven.bsky.social
Me #running day 28 of #the496challenge (in a month with 31 days you run 1 kilometre on the first day, 2 on the second and so on - a total of 496k).
Did the challenge in May.
Music by me.
#halfmarathon
#marathon
#garmin
#beatyesterday
#runnersofbluesky
June 9, 2025 at 8:56 AM