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# Weekly Challenge

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## Challenge #173: Tour de France - Crow Edition

Alteryx

A solution to last week's challenge can be found here!

The Tour de France is one of the most grueling competitions on the planet. Each year, incredibly fit athletes push the limits of human endurance to traverse some 3000+ kilometers (2000 miles) over about a three-week period ON A BIKE. Just finishing the race is an incredible achievement. But what do birds think about all this?

In this challenge, use Designer and data from the 2017 Tour de France to determine how long the race was, as the crow flies. That’s right, calculate how far the race would be for a bird flying all stages of the race.

This solution treated race days that started and ended in the same city as 0 km covered. Travel outside of racing was not included either (i.e. if the destination of one leg did not match the next leg’s origin, that distance was not included.

8 - Asteroid
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14 - Magnetar

Here's my solution..

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ACE Emeritus

My solution!

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Took me longer than it should have to realize that calculations were in km not miles. Doh!

16 - Nebula

My solution

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11 - Bolide

Solution is below

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Pretty straightforward.  Interestingly the bike distance in the solution remained in miles, while the bird distance was in km. @danilang - yep miles was something I totally created and then "solved for" in my workflow. Updated workflow accordingly

16 - Nebula
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I couldn't even ride my bike the bird's distance in 3 weeks!

12 - Quasar

If the birds didn't fly to the next leg's origin, when the destination of the previous leg was different, then did they ride in the teams' vans?

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18 - Pollux

What's a "Bike" and how many horsepower does it have!

@David-Carnes .  Maybe they take the Train

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Slightly different tack than those before me.  Transpose to minimize the joins

@john_miller9 :  I think the Bike distance in the input was already in KM.

Dan

8 - Asteroid

Here is my solution