Hi, Sabine!
I am so glad you've already been able to find some helpful tips through the search function. The Disney Parks Moms Panel is a wealth of information when it comes to your Disney vacation planning questions, including runDisney!
Specially priced theme park tickets are available to race participants for select runDisney race events.
Here is a list of races for this year that are offering this opportunity - of course, next year's availability could change.
Walt Disney World® Resort 2014 Expedition Everest Challenge - specially priced 3-day park hopper tickets.
2014 Twilight Zone Tower of Terror™ 10-Miler Weekend- specially priced 3-day park hopper tickets.
2014 Disney Wine & Dine Half Marathon Weekend- specially priced 3-day park hopper tickets.
Disneyland® Resort All runDisney race events held at the Disneyland® Resort are offering specially priced, 3-day park hopper theme park tickets for all race participants and their families.
I hope this information is helpful, Sabine! Which race events are you interested in participating in? I would love to know. And please do not hesitate to contact me with any additional questions you may have.
Have a magical day!
Faith