IRO Sprints who and how?

I saw pictures on flickr of something called IRO sprints and I want to know more about it. All the results on google pointed to events Chicago. Anyone know who built it and how it works?

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Permalink Reply by Rebekah on November 9, 2008 at 3:35pm


"December 1st, December 8th, December 15th at 9pm at Cobra Lounge, 235 N. Ashland.

The prizes are going to be huge. I promise. I just don't have them yet. How do you win those prizes? You post the fastest time, male and female, of the entire series and you will win the series. There will be nightly prizes and tournaments but you do not have to come to all three nights to win. There is no hard limit on the number of attempts you make as long as you aren't blocking others from posting their time. Any profits will go to The BMEF, which sorely needs funds, I hear.

If you have any questions, give me a whisper here or email at evan@opensprints.com."

via chifg.com
Permalink Reply by k8 on November 9, 2008 at 3:58pm
Sprints are head-to-head competitions - who can pedal harder, basically. There's no resistance so you go as hard as you can. They're "IRO Sprints" because in Chicago, the dude who built the software for it set it up on IRO frames.

You better believe I'm gonna be at the Cobra in December.
Permalink Reply by Adam on November 9, 2008 at 6:35pm
Can't wait!
Permalink Reply by Julie Aberman (Hochstadter) on November 10, 2008 at 5:05am
someone throw all 3 on the calendar and think of a place we can all get dinner beforehand...
Permalink Reply by Julie P. on November 10, 2008 at 5:20am
k8 said:
Sprints are head-to-head competitions - who can pedal harder, basically. There's no resistance so you go as hard as you can. They're "IRO Sprints" because in Chicago, the dude who built the software for it set it up on IRO frames.

You better believe I'm gonna be at the Cobra in December.

Actually, they're IRO Sprints because Tony from IRO actually DONATED the two bikes- it's a sponsorship basically.
(note: IRO = good for Chicago bike community!!)
Permalink Reply by vxla on November 10, 2008 at 5:57am
There's a video or two on youtube of IroSprints (look for videos from BikeLiker).

You kids better start spinning at home on your trainers if you want to compete. Julie, are you and Ben gonna compete?
Permalink Reply by Rebekah on November 10, 2008 at 9:59am
I just put these on the calendar. I am neither organizing, nor competing (I can't pedal that fast), but I'll stop by to hang out, drink beer and cheer y'all on.
Permalink Reply by k8 on November 10, 2008 at 5:51pm
Forget your trainers.

Just show up, drink til you think sprinting is a good idea and go for it.
Permalink Reply by Julie Aberman (Hochstadter) on November 10, 2008 at 7:18pm
me Julie or another Julie? If me Julie, than who is Ben? If another Julie than disregard...

vxla said:
There's a video or two on youtube of IroSprints (look for videos from BikeLiker).

You kids better start spinning at home on your trainers if you want to compete. Julie, are you and Ben gonna compete?
Permalink Reply by Julie P. on November 11, 2008 at 6:34am
i think he meant me julie, and Ben's my husband!

Julie Hochstadter said:
me Julie or another Julie? If me Julie, than who is Ben? If another Julie than disregard...

vxla said:
There's a video or two on youtube of IroSprints (look for videos from BikeLiker).

You kids better start spinning at home on your trainers if you want to compete. Julie, are you and Ben gonna compete?
Permalink Reply by Julie P. on November 11, 2008 at 6:38am
so, i haven't been involved in IRO sprints since the very beginning, but it started with Ben, Evan F., and I trying to put a goldsprints setup together. Ben contacted IRO and asked for stuff to be donated, I bought rollers, Dan L. threw in a projector, Evan did all the coding. Originally Evan found a way to put a magnetized switch in the wheel that would count clicks (much like a bike computer works) and translate it to distance, which worked because the bikes had the same gearing and were on the same rollers. Ben and I didn't really need to be around any more, so Evan took over probably about 2 years ago.

Evan's worked very hard on the software for it- called opensprints- and it's a credit to the whole community's input that it's become so versatile. Many cities have similar setups that are running it.
Permalink Reply by vxla on November 11, 2008 at 7:02am
Julie Popper said:
so, i haven't been involved in IRO sprints since the very beginning, but it started with Ben, Evan F., and I trying to put a goldsprints setup together. Ben contacted IRO and asked for stuff to be donated, I bought rollers, Dan L. threw in a projector, Evan did all the coding. Originally Evan found a way to put a magnetized switch in the wheel that would count clicks (much like a bike computer works) and translate it to distance, which worked because the bikes had the same gearing and were on the same rollers. Ben and I didn't really need to be around any more, so Evan took over probably about 2 years ago.

Evan's worked very hard on the software for it- called opensprints- and it's a credit to the whole community's input that it's become so versatile. Many cities have similar setups that are running it.

Yea, kudos to Evan for sure!

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