Select Product change -> “General” (Üldine”)
By marking special price, normal price is displayed crossed out. Special price can be fixed for a fixed time interval.
Use radio buttons of additional fields for fixing different prices for the same event and fix for each selection markup or separate full price. In case of latter, the main product price has to be 0.
Example. Organizer offers to the same event distances with different prices: 5 km – 10 €, 10 km – 15 € and 21 km – 20 €. Select 0 for product price and price corresponding to each radio button. Or mark 10 € for product basic price and missing amount according to each radio button.