| 01 Jan 2024 |
Resolution Run 5k (5k) |
Missoula, Montana, United States |
| 06 Jan 2024 |
Avalon 50k/50m (50K|50 Miler) |
Avalon, California, United States |
| 07 Jan 2024 |
Griffith Park Resolution Run (Half Marathon|5K|12K) |
Los Angeles, California, United States |
| 11 Jan 2024 |
Knock on Wood Ultra Series (100 Miles) |
Lima, South Carolina, United States |
| 13 Jan 2024 |
Long Haul 100 (100 Miler) |
Ehren, Florida, United States |
| 13 Jan 2024 |
Montane Spine Fusion (268 Miles) |
High Peak, England, United Kingdom |
| 13 Jan 2024 |
HURT 100 (HURT 100) |
Honolulu, Hawaii, United States |
| 13 Jan 2024 |
Frozen H3 (100 Miler) |
Charleston, South Carolina, United States |
| 14 Jan 2024 |
Carlsbad Full & Half Marathon (Half Marathon) |
Carlsbad, California, United States |
| 18-20 Jan 2024 |
Hong Kong 100 Ultra Marathon (HK100|The Third|The Half) |
Pak Tam Chung, Beijing, China |
| 20 Jan 2024 |
Coldwater Rumble (100 Miler) |
Goodyear, Arizona, United States |
| 21 Jan 2024 |
Calico Trail Run (50K) |
San Bernardino County, California, United States |
| 26 Jan 2024 |
Arc of Attrition (100 Miles) |
Coverack, England, United Kingdom |
| 27 Jan 2024 |
Orcas Island 50k (50K) |
Orcas Island, Washington, United States |
| 27 Jan 2024 |
Sean O'Brien (30K|100K|50 Miler|50K|26.2) |
Calabasas, California, United States |
| 27 Jan 2024 |
Beast of Burden (Winter) (100 Miler) |
Lockport, New York, United States |
| 27 Jan 2024 |
La Cuesta Ranch Trail Run (50K|25K) |
San Luis Obispo, California, United States |
| 27 Jan 2024 |
AZT Oracle Rumble (1/2 Marathon|50K) |
Oracle, Arizona, United States |
| 29 Jan 2024 |
Arrowhead 135 (135M Veteran) |
International Falls, Minnesota, United States |
| 03 Feb 2024 |
Castlewood Cup (Plan B - Course Monitors|15k - Plan A - Course Monitors|15K - Plan A|Plan B) |
Ballwin, Missouri, United States |
| 03 Feb 2024 |
Tussock Traverse (32km Course|21km Course|12km Course|6km Course) |
Tongariro National Park, Manawatu-Wanganui, New Zealand |
| 03 Feb 2024 |
Elephant Mountain Trail Runs (22k|35k|12k|50k|50 Mile) |
Cave Creek, Arizona, United States |
| 04 Feb 2024 |
Surf City USA (Half Marathon|Marathon) |
Huntington Beach, California, United States |
| 10 Feb 2024 |
Outlaw 100 Oklahoma (50 Miler) |
Latimer County, Oklahoma, United States |
| 10 Feb 2024 |
Mill Stone 50K (50K) |
Fort Mill, South Carolina, United States |
| 10 Feb 2024 |
Black Canyon Ultras (100K|60K) |
Spring Valley, Arizona, United States |
| 10 Feb 2024 |
The Ranch 50k (50k|1/2 Marathon) |
Escondido, California, United States |
| 10 Feb 2024 |
Xterra Boney Mountain (21k|6k) |
Newbury Park, California, United States |
| 10 Feb - 08 Jun 2024 |
Whiting Ranch Trail Races (10K|Half Marathon |30k) |
Trabuco Canyon, California, United States |
| 11 Feb 2024 |
Redondo Beach Superbowl 10k/5k (10k|5k) |
Redondo Beach, California, United States |
| 12 Feb 2024 |
Running Up for Air Mount Sentinel (RUFA) |
Missoula, Montana, United States |
| 16 Feb 2024 |
Jackpot Ultra Running Festival (100 Mile Short Course) |
Henderson, Nevada, United States |
| 16 Feb 2024 |
Grandmaster Ultras (100 Miler) |
Littlefield, Arizona, United States |
| 17 Feb 2024 |
Placerita Canyon Trail Runs (10K|Half Marathon|50 K|30K) |
Santa Clarita, California, United States |
| 17 Feb 2024 |
Red Dirt Ultra (100 Miler|100K) |
Lotus, Louisiana, United States |
| 17 Feb 2024 |
Susitna 100 (100 Miles) |
Big Lake, Alaska, United States |
| 17 Feb 2024 |
FOURmidable (50K|35.5K) |
Auburn, California, United States |
| 17 Feb 2024 |
Tarawera Ultramarathon (102k|21k|50k|100 Miles) |
Rotorua, Bay of Plenty, New Zealand |
| 22-24 Feb 2024 |
TransGranCanaria (21K|126K|46K|84K) |
Agaeta, Las Palmas, Spain |
| 23 Feb 2024 |
Lake Ouachita Vista Trail (100 Miler) |
Joplin, Arkansas, United States |
| 23-24 Feb 2024 |
Novant Health Wilmington NC Marathon (Kids 1 mile Glow Run|5K|Half Marathon|Marathon Relay|Marathon) |
Wrightsville Beach, North Carolina, United States |
| 23 Feb 2024 |
Orcas Island 100 (100 Miler) |
Orcas Island, Washington, United States |
| 24 Feb 2024 |
Victory (Half Marathon) |
Richmond, California, United States |
| 24 Feb 2024 |
Salmon Falls 50k (50K) |
Coloma, California, United States |
| 24 Feb 2024 |
Mt. Mitchell Challenge & Black Mountain Marathon (Marathon|40 Miler) |
Black Mountain, North Carolina, United States |
| 24 Feb 2024 |
Run Ridge Run 13km (13km) |
Port Moody, British Columbia, Canada |
| 24 Feb 2024 |
Diez Vista (50k) |
Port Moody, British Columbia, Canada |
| 24 Feb 2024 |
Moab's Red Hot 50+ (55K|33K) |
Moab, Utah, United States |
| 24 Feb 2024 |
Sycamore Canyon (50 K|100 K) |
Poway, California, United States |
| 25 Feb 2024 |
Ventura Marathon (Half Marathon|Marathon) |
Ojai, California, United States |
| 02 Mar 2024 |
Singletrack Stampede (22K|10K) |
Calabasas, California, United States |
| 03 Mar 2024 |
Mountain to Fountain (15K) |
Maricopa County, Arizona, United States |
| 03 Mar 2024 |
Rock 'n' Roll Las Vegas (Half Marathon) |
Clark County, Nevada, United States |
| 03 Mar 2024 |
Napa Valley Marathon & Half (Marathon) |
Napa Valley, California, United States |
| 03 Mar 2024 |
Chilltech Beach to Basin (G.J.Gardner Homes 10km|2km Kids dash|6.8km) |
Whangarei, Northland, New Zealand |
| 09 Mar 2024 |
Mesquite Canyon Trail Runs (30K|1/2 Marathon|50K|50 Miler|8K) |
Waddell, Arizona, United States |
| 09 Mar 2024 |
Antelope Canyon (100 Miler) |
Page, Arizona, United States |
| 09 Mar 2024 |
Seneca Creek Greenway Trail Marathon, 50K & Relay (50k) |
Gaithersburg, Maryland, United States |
| 09 Mar 2024 |
Rock/Creek Stump Jump (50K) |
Chattanooga, Tennessee, United States |
| 09 Mar 2024 |
Catalina Island Marathon (Marathon|10K|5K) |
Avalon, California, United States |
| 16 Mar 2024 |
Chuckanut 50k (50k) |
Bellingham, Washington, United States |
| 16 Mar 2024 |
Old West 50k, Marathon, and Half Marathon (50k|Marathon|Half Marathon) |
Julian, California, United States |
| 16 Mar 2024 |
Ruck a Chuck 50k (50K) |
Foresthill, California, United States |
| 16 Mar 2024 |
Lake Martin 100 (100 Miler|50 Miler) |
Tallapoosa County, Alabama, United States |
| 17 Mar 2024 |
Los Angeles Marathon (Marathon) |
Los Angeles, California, United States |
| 21 Mar 2024 |
ff (fh|ff) |
Seabrook Island, South Carolina, United States |
| 21 Mar 2024 |
Tyger Run/Walk (10km) |
Tyger Valley, Western Cape, South Africa |
| 23-30 Mar 2024 |
Seattle Cherry Blossom Run (Blossom Kids Run (3/30/24)|Sip and Stroll 5K (3/23/24)|5K Run/Walk (3/30/24)|Cherry Blossom Half Marathon (3/24/24)|Sip and Stroll 5K (3/30/24)|5K Run/Walk (3/23/24)|Cherry Blossom 10K (3/24/24)) |
Seattle, Washington, United States |
| 23 Mar 2024 |
Prairie Spirit Trail (100 Miler) |
Ottawa, Kansas, United States |
| 23 Mar 2024 |
VALENCIA Trail Race (50K|10K|Half Marathon) |
Valencia, California, United States |
| 23 Mar 2024 |
Behind the Rocks (50 Miler|30K|50K) |
Moab, Utah, United States |
| 23 Mar 2024 |
END-SURE (100 Miler) |
Power, North Dakota, United States |
| 23 Mar 2024 |
Georgia's Death Race (68 miler) |
Blairsville, Georgia, United States |
| 23 Mar 2024 |
Ohio's Backyard Ultra (Last Person Standing - Day Course|Last Person Standing - Night Course) |
Lucasville, Ohio, United States |
| 23 Mar 2024 |
Blackbeard's Revenge (100 Miler) |
Corrolla, North Carolina, United States |
| 23 Mar 2024 |
Crown King Scramble (50K) |
Phoenix, Arizona, United States |
| 23 Mar 2024 |
False Spring Trail Runs (10K|20K) |
Laporte, Indiana, United States |
| 23 Mar 2024 |
Northburn 100 (100 Miles) |
Pisa Moorings, Auckland, New Zealand |
| 23 Mar 2024 |
RTTR (RTTR 14k|RTTR 2.5km|RTTR 9.5km|RTTR 6km) |
Rokeby, Victoria, Australia |
| 23-30 Mar 2024 |
Blood, Sweat, & Beers (50K|10K|30K|Marathon|1/2 Marathon|5K) |
Boulder City, Nevada, United States |
| 23 Mar 2024 |
Griffith Park Trail Marathon (10k|30K|Marathon|50K|1/2 Marathon) |
Los Angeles, California, United States |
| 24 Mar 2024 |
San Diego Half Marathon (Half Marathon) |
San Diego, California, United States |
| 24 Mar 2024 |
White Mountains 100 (100 Miler) |
Fairbanks, Alaska, United States |
| 29 Mar 2024 |
Antelope Island Buffalo Run (100 Miler) |
Syracuse, Utah, United States |
| 29 Mar 2024 |
Badger Mountain Challenge (50 Miler|100 Miler) |
Richland, Washington, United States |
| 30 Mar 2024 |
GORTEX Grand Traverse (Grand Traverse) |
Crested Butte, Colorado, United States |
| 30 Mar 2024 |
The Runfield Texas Race Series (5K) |
Buda, Texas, United States |
| 04 Apr 2024 |
Potowatomi (50 Miler) |
Pekin, Illinois, United States |
| 05 Apr 2024 |
Beyond Limits Ultra (100M) |
Henderson, Nevada, United States |
| 06 Apr 2024 |
Iron Furnace Trail Run (4.5 Miler|1/2 Marathon) |
Mcarthur, Ohio, United States |
| 6-13 Apr 2024 |
Whiskey Basin Trail Runs (57k|31k|92K|1/2 Marathon|10K) |
Prescott, Arizona, United States |
| 06 Apr 2024 |
Umstead 100 (100 Miles) |
Raleigh, North Carolina, United States |
| 06 Apr 2024 |
Vert Till Ya Hurt 35k ([1] Smith Creek|[2] Goats Peak (Virtual)|[3] Mount Boucherie (Virtual)) |
West Kelowna, British Columbia, Canada |
| 06 Apr 2024 |
American River (50 Miler) |
Folsom, California, United States |
| 06 Apr 2024 |
Northern Traverse (190 Miles) |
Copeland, England, United Kingdom |
| 06 Apr 2024 |
Petersburg Half Marathon (Half Marathon|5K) |
Petersburg, Virginia, United States |
| 07 Apr 2024 |
BDO Parihaka Trail Run (Half Marathon|Pak'nSave Whangarei 12km|Trek Trail & Fish 5km) |
Whangarei, Northland, New Zealand |
| 12 Apr 2024 |
Dublin to Belfast (173 km) |
Dublin, Leinster, Ireland |
| 12 Apr 2024 |
Gorge Waterfalls (50K|100K) |
Cascade Locks, Oregon, United States |
| 12 Apr 2024 |
Zumbro Endurance Run (100 Miler) |
Theilman, Minnesota, United States |