This is the final post and update about this subject.
Fact:
10/01/2026: There were hundreds of orange flags spotted along the Ski hut trail to the summit. (See the original route plan of running event.) 381 of flags were removed on Thursday by a local hiker.
10/o2/2026: The event organizer agreed to place flags and markers on Friday on next event and agreed to clean up the marker flags after the event according to the local hiker.
10/03/2026: Apparently. Ski hut trail wasn't used for the running event after all as originally planned. I don't know why.
10/04/2026: Local hikers collected over 100 flags and markers from Ski hut to the summit.
Another hiker from Register ridge collected over 50 flags from bottom of Mt. Harwood to the summit coincidentally. After meeting up by accident at the summit, we were surprised by the quantiles. Shortly after, two staff members of the running event showed up with packs with flags. Most likely, they may be picked up from Notch to bottom of Mt. Harwood section. All other area has been cleaned up by local hikers. Local hikers wanted to count all flags, But, the event staff hastily gathered up flags and headed down to Ski hut direction where all flags had been cleaned up early in the morning.
Before they left the summit, I expressed my 2 cents about the reality of trail conditions of local mountains with plain words. They seemed to me that they were from higher level of consciousness with authority. Of course, we breath LA smog every day.
There were about 30 cases of incidents needed medical attentions on the event according to the staff. If they used Ski hut trail, more runners will be physical injured seriously by the trail conditions. All the advertisements on the flags were counterproductive after all.
I recommended to use Bear canyon trail for real running up and down on next time.
https://photos.app.goo.gl/VNCiPpkgPGak1UWT6Have a great hike,