Applied Filters
Running- Sport
- Distance
- Month
- Event Type
- Reviews
- Past Events
Ultramarathon Events
Ultramarathons, or ultras, are any running races beyond the standard marathon distance of 26.2 miles (or 42.2k). The most common ultra distances are 50k, 100k, 50 miles, or 100 miles, but each event is unique in terms of distance and terrain. The International Association of Athletics Federation recognises world records at ultramarathon events that have a distance of 100km. There are even 24hr ultramarathons, where the distance is unlimited, or multiday ultras, where the distance can extend beyond 1000km. In California, there are a couple of city-based ultramarathons, but most ultras make the most of the Golden State's stunning scenery and landscapes, such as its coastlines, National Parks, mountains, and deserts. With ultra races taking such a long time complete, these views provide a welcome distraction for runners. The Western States 100-mile Endurance Race is known as one of the most beautiful events, and for the truly fearless, the Badwater Ultramarathon travels a distance of 135 miles through Death Valley.
Friday 30 Aug 2024
2. KILIMANJARO TRAIL RUN
Corona, California
ultramarathon, marathon, half marathon, 10k
Saturday 17 Aug 2024
6. Extraterrestrial Full Moon Midnight
Nevada, Nevada
5k, 10k, half marathon, marathon, ultramarathon
Saturday 30 Mar 2024
8. Redwood (Spring) Trail Run
Oakland, California
half marathon, marathon, ultramarathon, 5k and more
Saturday 6 Apr 2024
9. Finish The Ride and Finish The Run Griffith Park
Los Angeles, California
5k, 10k, half marathon, ultramarathon and more
Saturday 13 Apr 2024
11. SPASM Lake Chabot Trail Run
Castro Valley, California
half marathon, marathon, ultramarathon and more
Saturday 20 Apr 2024
12. G-Bar Ranch Ultra & Trail 1/2 Marathon
Mariposa, California
ultramarathon and more
Sunday 21 Apr 2024
14. Horseshoe Lake Trail Run
La Honda, California
half marathon, marathon, ultramarathon and more
Saturday 11 May 2024
15. Grizzly Peak Trail Run
Berkeley, California
10k, half marathon, marathon, ultramarathon and more
Saturday 18 May 2024
16. San Francisco 50mi/50K Endurance Run - DISCONTINUED
Marin County, California
ultramarathon and more
Sunday 9 Jun 2024
18. Cinderella Trail Run
Oakland, California
half marathon, marathon, ultramarathon and more
Saturday 29 Jun 2024
19. Running with the Devil 5K, 10K, 1/2 Marathon, Marathon, and 50K
Clark County, Nevada
5k, 10k, half marathon, marathon, ultramarathon
Saturday 13 Jul 2024
21. San Lorenzo River Trail Run
Santa Cruz, California
half marathon, marathon, ultramarathon and more
Saturday 13 Jul 2024
22. Salt Point Trail Run & Camping Experience
Jenner, California
ultramarathon and more
Saturday 10 Aug 2024
23. Redwood (Summer) Trail Run
Oakland, California
half marathon, marathon, ultramarathon and more
Sunday 1 Sept 2024
26. Crystal Springs (Summer) Trail Run
Woodside, California
10k, half marathon, marathon, ultramarathon and more
Sunday 8 Sept 2024
28. Diablo Trail Run
Walnut Creek, California
10 miles, half marathon, marathon, ultramarathon and more
Saturday 28 Sept 2024
29. Arnold Rim Trail Endurance Runs
Arnold, California
ultramarathon, half marathon and more
Sunday 6 Oct 2024
30. Spooner's Cove Trail Run
San Luis Obispo County, California
ultramarathon and more
Saturday 12 Oct 2024
31. Bizz Johnson
Susanville, California
ultramarathon, marathon, half marathon, 10k
Saturday 12 Oct 2024
32. Ruth Anderson Memorial Endurance Run
San Francisco, California
ultramarathon
Saturday 2 Nov 2024
33. Rio Del Lago 100 Mile + 50K Endurance Runs
Granite Bay, California
ultramarathon
Thursday 14 Nov 2024
34. Southwest Series - Day 5 (NV)
Laughlin, Nevada
marathon, half marathon, 5k, 10k, ultramarathon
Friday 15 Nov 2024
35. Southwest Series - Day 6 (CA)
Baker, California
marathon, half marathon, 5k, 10k, ultramarathon
Saturday 7 Dec 2024
36. San Joaquin River Trail 25k/50k/100k
Friant, California
ultramarathon and more
Saturday 11 Jan 2025
37. San Diego 50 & Trail Runs
Escondido, California
ultramarathon, marathon, half marathon, 10 miles, 5k and more