Um... I thought I had dataz to back me up but they weren't in my favor after all. So, anyway, I'll throw some stats at you.
Breakdown of C-League Contests
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Speed Related:
[Contest] - [Name]
IX - Home Sweet Home
XVI - Sabotage
XIV - Big Portal
Grey Area:
[Contest] - [Name] - [Main Rule]
VII - Blank - Keep in the level the longest
XVII - Pisa Tower - Only the Ms at the end count [example: 20.99 beats 20.01]
Not Speed Related:
[Contest] - [Name] - [Deciding Factor] - [Main Rule]
I - A New Hope - Score - Metal Plates Touched by
II - Octopus Battle - $ Left - Pass through checkpoints
III - Table Tennis - Score - Pass across table most times
IV - Pacman's [sic] - Score - Break the most cloths with
V - Rocket Garden - Score - Make most rockets touch
VI - Jump Machine - Score - Make jump the highest
VIII - Gravity - Score - Break most cloths with
X - FreeRope - $ Left - Ropes & Timers are free
XI - Kira_Adv - $ Left - Metal bars are free
XII - Safety - Score - # of minimum pieces deleted is score
XIII - Pester Basketball - Score - Most baskets
XIV - Space Journey - $ Left - Contraption may not touch walls
XV - Finally - $ Left - You can place anchors anywhere for $500 each
XVIII - White Tree - Score - Most cloths broken with
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It turns out that SpeedRun Contests are still a minority, but I'm still curious to see what everyone thinks about making a new league for them.