Lady Flash and other obscure speedsters

I wrote about Lady Flash (Christina Alexandrova) a while back on my blog. She was originally a villain and a member of the Russian super-speed group Blue Trinity. She briefly took on the name Lady Flash and helped Wally West a couple of times. After that she disappeared for a few years and when she popped up again she was working for the villain Savitar (and later Kobra). More often than not she's been a super-villain, but for a while she was one of the good guys.

A brief history of Lady Flash



There have been other speedsters, like Kaptialist Kouriers (formerly Red Trinity), Jesse Quick (who later became Liberty Belle II), Fastbak (of the New Gods), Slipstream (a villain Wally encountered in an issue of Justice League Quarterly) and a few others. 

Anyone have any favorites?