Add your ultramarathon or multiday race to the calendar for free.
Please, nothing less than a 50 km.
You can also promote your event on Multidays.com with a header banner or other type of ad which you or we can provide, if you wish, subject to your approval. Prices start from $15/£10 a month.
Hi, we do our 3 Marathons in 3 Days each year. Can we post that here for 2020?