we met kathy redden and marie arroyo. >> this is our fourth year, we are chickens. didn't come this year we made it. and here is our newest chicken ! >> reporter: then we met jason, karina, and anaya on abby road. i mean, howard street. >> we are the beatles. >> reporter: batman and robin were there, and historically, this batman has really embraced some of the fun that some choose to have during the run. >> the bar is open. the moment we start >> this is great, man. i love it. >> this guy, a first timer really leaned into a unique and creative costume. >> bring out the creativity in people here. what it is like to run in this. we will see if i make it. >> reporter: if he did, he probably would be the first time the man has ever finished bay to breakers. but it wasn't the first time for women's champion, julia vazquez, a competitive runner making her return to bay to breakers. >> was not able to race last year, i was having my bridal shower but it is great to be back i went in 2022 so it is fun. i got to win again. a lot of these bigger races, you know, it is pretty