Friday the 13th is a less than lucky day for people waiting until then to buy their Eldora season passes or multi-day tickets. Buy today, Thursday, October 12, and get the best pre-season deal. Just for a benchmark, an adult unlimited Alpine season pass is just $429, and a midweek non-holiday pass is $329. Other options include junior, college, senior, family, uphill and Nordic passes — and also multi-day tickets (four days, $229). Click here for details and to purchase.