Through 2016, participation in runDisney events continues to increase. While individual race numbers level off or even drop, the addition of events has increased capacity and participation. Disclaimers There is an inherent bias in these numbers simply because runDisney has capped registration and increased the caps over the years. External influences must be taken into account when looking at trends. These numbers only reflect finishers. These numbers do not include the 5K races as they are not published. 2017 grand totals are not included as the year is not yet complete. Also, 2017 will be an outlier due to the cancellation of the January WDW half. Everything I state here is opinion. I have no inside information. But, except for non-finishers and the 5Ks, the numbers are direct from Active.com and runDisney.