http://www.ijsba.com/2014/08/31/end-...weekly-update/

Note #4:

  1. “Ski GP will close soon.
Entries have been coming in at a pretty steady pace. GP Ski has been getting solid involvement for this year. IJSBA will close this class soon to ensure that international competitors, who register on site, will have opportunity to participate. This class will likely close this coming week. Please get your completed and paid entries in, right away, if you are interested in participating in GP Ski. GP Ski is open to seasoned Expert and Pro licensed competitors only.”
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Fyi: Additional WF Class clarifications:

*Pro Am Runabout 1000 Superstock(800cc two stroke, 1000cc four stroke)
*Amateur Runabout 1000 Superstock(800cc two
stroke, 1000cc four stroke)

*Amateur Runabout Rec Lites (Four Stroke Normally Aspirated Stock Class under 1000cc) (Entry Will Include Slalom)
*Expert Veteran’s Runabout (two stroke Open, Limited for four strokes OEM equipped with turbo/superchargers)
*Women’s Runabout (Limited Class Rules for two stroke PWC, Stock Class Rules for four stroke PWC; four stroke PWC may use aftermarket seats)