Just as Criminals Return to the Crime Scene

Likewise, the knee hitterone who fell returned to the accident point ofsite of the fall, on theat trail run course, even though he has stopped practicing now.

It was not the root of a tree that I hit my left toafter all that my left toe tripped over causing me to fall.

It was the edge of an artificial loan's 5 cm stepped-upawn, which step protruded 5 cm from the surface.

I thought I was running ion nature, not on thean artificially paved road.

I was practicing running on the rough and uneven surfaces of mother nature-made road, instead of the artificialman-made flat road.

So, it was ironic that I turned out to be fallen byfell because of something artificial.

Likewise, the knee hitter returned to the accident point of the trail run course even though he had stopped practicing now.

It was not the root of a tree that I hit my left toe which caused me to fall.

I was practicing running on the rough surface of the nature-made road, instead of thenot an artificial flat road.

Likewise, the knee hitterrunners who fall and hit their knee returned to the accident point of the trail run course even though he stopped practicing nowplace where they fell.

We don't normally say "knee hitter" in English (I've never heard it before), but I think "runners who fall and hit their knee" or "someone who falls and hits their knee" seems better.
I think "even though he stopped practicing now" seems unnecessary to add and makes the sentence less clear and concise.

It was not the root of a tree that Icaused me to hit my left toe toand fall.

It was the edge of an artificial loan's 5 cm stepped-up surfaceawn, which had a 5 cm tall step.

I thought I was running in nature, not on thean artificially paved road.

I thought I was practicing running on the rough surface of the nature-madea naturally uneven road, instead of the artificial flata flat paved road.

So I thought it was ironic that I turned out to be fallen byripped over something artificial.

Just As Criminals Return to the Crime Scene

this way it flows better into the following sentence.

Likewise, the knee hitter returned to the accident point of the trail run course even though he has stopped practicing now.

It was not the root of a tree that I hit my left toe tohit and made me fall.

It was the edge of an artificial loan'sturf with a 5 -cm stepped-up surface.

I thought I was running in nature, not on thean artificially paved road.

I was practicing running on the rough surface of thea nature-madeally uneven road, instead of the artificial flata flat, paved road.

So it was ironic that I sturnmbled out to be fallen byn something artificial.

Likewise, the knee hitter returned to the scene of the accident point ofon the trail run course even though he (has) stopped practicing now.

It was not the root of a tree that I hit my left toe on, causing me to fall.

It was the 5 cm raised edge of an artificial loan's 5 cm stepped-up surface(?).

“Loan” must be a typo. What do you mean?

I thought I was running in nature, not on the artificiallya paved road.

“Artificially” isn’t necessary since paving is always artificial.

I thought I was practicing running on the rough surface of thea nature-made road, instead of thean artificial flat road.

I wonder if you might mean a trail or path instead of a “road.” Roads are usually meant for vehicles of some sort.

So it was ironic that I turned out to bhave [fallen over | been tripped by] something artificial.