Find Races

Ultra & Trail Running

1. UltraSignup - https://ultrasignup.com
2. Ultramarathonrunning - http://www.ultramarathonrunning.com
3. Race360 -http://www.race360.com/?c=lt
4. Ultra Running- http://calendar.ultrarunning.com
5. Running in the USA- http://runningintheusa.com/Race/50Mile.aspx
6. Active - http://www.active.com/running/ultra
7. ATRA - http://trailrunner.com/race-calendar

Half Marathons

1. Half Marathon Guide - http://www.halfmarathons.net
2. Half Marathon Calendar - http://www.halfmarathonsearch.com
3. Running in the US - http://www.runningintheusa.com/Default.aspx
4. Road Racer - http://www.roadracerunner.com
5. Marathon Guide - http://www.marathonguide.com/index.cfm
6. Find My Marathon- http://findmymarathon.com/calendar.php
7. Half Fanatics -http://www.halffanatics.com