KnowraUltramarathonLinked fromLinked fromThe 5 pages that link to Ultramarathon, each with the reason it gives.All 5Broader topic 2Narrower topic 1Compared with 2MarathonCompared with: Ultramarathons extend beyond the marathon's fixed distance.Adventure racingCompared with: Ultramarathons test prolonged running, while adventure races divide effort among activities.