marquhar

https://www.bikeforums.net/southern-california/928832-california-triple-crown-series-double-century-rides-training-8.html#post17280208

This rig is mentioned in the above post.

Last Wed. I did a clockwise loop from El Dorado Park out to the SART, exit at Slater to Sea Point Dr., PCH, then SGRT north back to El Dorado.

Somewhere near Centennial Regional Park (Edinger cross street) I was passed by an enclosed, 3 wheel recumbent at high speed. I was doing about 15 MPH (southbound) up from the under-crossing, looked back, and here he came doing slightly under 25 MPH. I could see he was turning the pedals at maybe 100 RPM, and the rig was silent, so I presume no electric motors. I think its called a Velomobile because of the 3 wheels.

This is the yellow, banana, 3 wheel recumbent that seems to be from Netherlands. Not sure where he entered the trail, but I guess at the Centennial Park since I was watching the trail as far back as possible.

It was a good 40 mile ride overall. Highlights:
--puncture near Harbor Blvd. and Lampson from a thin wire
--plenty of Roadies on the SART, some going very fast, one with a Go-Pro
--no sign of the OCTA/Oc Parks Gauntlet
--rode with 3 strong, young guys on single-speeds from Anderson, across Huntington Harbor, into Seal Beach.

sergesret

Not sure what the exact definition of a velomobile is, but I think it's mostly about being fully enclosed in an aerodynamic shell, so it can be 2 wheeled as well which are faster than the 3 wheeled type (being more narrow and lower rolling resistance). Without the shell, a three wheeled recumbent is just referred to as a trike.

There are some amusing encounters on YouTube between velomobiles and police who are generally confused by these things, thinking they are motorized when, in fact, they are not. They are simply fast because they minimize drag. Other than that they fall into the same broad class of human powered vehicles that conventional bikes are part of

diphthong

ridden on the sart 3 times and saw this guy on the second ride last year.
he was heading the opposite direction at the time so hard to figure out his mph.
i do remember thinking how dedicated bike trails would really
be the only place to ride such a vehicle as it sits pretty low and would get lost in
street traffic-esp during rush hour. cool setup tho.

GP 

Sounds like Willie Hunt.

r8dr_rider

So you got passed by a guy on a recumbent? Cool