They had lots of volunteers helping to try and fix a bunch of things. Some were harder than others. They were surprisingly well equipped and went from fixing weed wackers to clothes:

we tried the CD player we had and that skips sometimes. Sadly it was nothing obvious, so we didn't succeed

fans are more of my league

multiple typewriters

other volunteers helped with clothes

and of course bikes

It was nice to see all those volunteers being able to help people out.

Given the wind, people went to a dicy slope to try and launch from the side of the lake. It made things a little bit better, but it was still mostly against the wind:

Most lanterns were stuck at the launching point, how silly:

had never been to levi's stadium before

it's both small and big

the trucks had fun shells

a bunch of them

They had those 3 events:

Head to head races, which were maybe fixed a bit, or not

2 wheel balancing for points

Freestyle for points

too much fun = flat tire

It was definitely worth going once, although by the end, we felt like we got it, and probably don't need to go back. Still, we enjoyed it (outside of the cold wind for Jennifer).

Once at the top, there is a small visitor center. It used to be a radar site to detect invasions, and was eventually shut down and left to rot. Eventually it was re-habilitated close to its original aspect and turned into a small park with nice views.

The 4 peaks of the bay area, Mt Umunhum, Mt Hamilton, Mt Diablo, and Mt Tamalpais.

The park is actually a very short walk, but the viewpoint is good on a clear day. There are a few signs you can read and an audioguide you can get on android:

Mt Hamilton across the bay

Old radar building that was used to detect potential enemy planes coming from the pacific

Respect to the native americans who used to live here