| 07 Jan 2025 |
Griffith Park Resolution Run (Half Marathon|5K|12K) |
Los Angeles, California, United States |
| 07 Jan 2025 |
Navy Race - Horten (8 km) |
Horten, Vestland, Norway |
| 08 Jan 2025 |
Hootenanny 50k (50k & Relay) |
Lolo, Montana, United States |
| 10 Jan 2025 |
Frozen H3 (100 Miler) |
Charleston, South Carolina, United States |
| 11 Jan 2025 |
Avalon 50k/50m (50K|50 Miler) |
Avalon, California, United States |
| 11 Jan 2025 |
Bandera Endurance Run (25k|100k|50k) |
Bandera, Texas, United States |
| 16-18 Jan 2025 |
Hong Kong 100 Ultra Marathon (The Half|HK100|The Third) |
Pak Tam Chung, Beijing, China |
| 17 Jan 2025 |
HURT 100 (100 Miler) |
Honolulu, Hawaii, United States |
| 18 Jan 2025 |
Coldwater Rumble (100 Miler) |
Goodyear, Arizona, United States |
| 18 Jan 2025 |
Long Haul 100 (100 Miler) |
Ehren, Florida, United States |
| 19 Jan 2025 |
Carlsbad Full & Half Marathon (Half Marathon) |
Carlsbad, California, United States |
| 24 Jan 2025 |
Arc of Attrition (100 Miles) |
Coverack, England, United Kingdom |
| 25 Jan 2025 |
Beast of Burden (Winter) (100 Miler) |
Lockport, New York, United States |
| 25 Jan 2025 |
Be Their Voice 5k (5k) |
Fayetteville, North Carolina, United States |
| 25 Jan 2025 |
Sean O'Brien (30K|100K|50 Miler|50K|26.2) |
Calabasas, California, United States |
| 25 Jan 2025 |
Tussock Traverse (32km Course|21km Course|12km Course|6km Course) |
Tongariro National Park, Manawatu-Wanganui, New Zealand |
| 25 Jan 2025 |
La Cuesta Ranch Trail Run (25K|10K|50K) |
San Luis Obispo, California, United States |
| 25 Jan 2025 |
AZT Oracle Rumble (1/2 Marathon|50K) |
Oracle, Arizona, United States |
| 26 Jan 2025 |
Calico Trail Run (50K) |
San Bernardino County, California, United States |
| 27 Jan 2025 |
Arrowhead 135 (135M Veteran) |
International Falls, Minnesota, United States |
| 01 Feb 2025 |
Elephant Mountain Trail Runs (22K|35K|12K|50K|50 Miler) |
Cave Creek, Arizona, United States |
| 01 Feb 2025 |
Reno Connector Run (10K) |
Reno, Nevada, United States |
| 02 Feb 2025 |
Surf City USA (Half Marathon|Marathon) |
Huntington Beach, California, United States |
| 08 Feb 2025 |
Outlaw 100 Oklahoma (50 Miler) |
Latimer County, Oklahoma, United States |
| 08 Feb 2025 |
Castlewood Cup (Plan B - Course Monitors|15k - Plan A - Course Monitors|Plan B|15k - Plan-A) |
Ballwin, Missouri, United States |
| 08 Feb 2025 |
Mill Stone 50K (50K) |
Fort Mill, South Carolina, United States |
| 08 Feb 2025 |
Black Canyon Ultras (100K|60K) |
Spring Valley, Arizona, United States |
| 14 Feb 2025 |
Jackpot Ultra Running Festival (100 Mile Short Course) |
Henderson, Nevada, United States |
| 15 Feb 2025 |
FOURmidable (50K|35.5K) |
Auburn, California, United States |
| 15 Feb 2025 |
Red Dirt Ultra (100 Miler|100K) |
Lotus, Louisiana, United States |
| 15 Feb 2025 |
Susitna 100 (100 Miles) |
Big Lake, Alaska, United States |
| 15 Feb 2025 |
The Ranch 50k (50k|1/2 Marathon) |
Escondido, California, United States |
| 20-22 Feb 2025 |
TransGranCanaria (46K|21K|126K|84K) |
Agaeta, Las Palmas, Spain |
| 21 Feb 2025 |
Orcas Island 100 (100 Miler) |
Orcas Island, Washington, United States |
| 22 Feb 2025 |
Salmon Falls 50k (50K) |
Coloma, California, United States |
| 22 Feb 2025 |
Moab's Red Hot 50+ (55K|33K) |
Moab, Utah, United States |
| 22 Feb 2025 |
Sycamore Canyon (50 K|100 K) |
Poway, California, United States |
| 22 Feb 2025 |
Novant Health Wilmington NC Marathon (Half Marathon|Kids 1 mile Glow Run|Marathon Relay|5K|Marathon) |
Wrightsville Beach, North Carolina, United States |
| 22 Feb 2025 |
Lake Ouachita Vista Trail (100 Miler) |
Joplin, Arkansas, United States |
| 22 Feb 2025 |
Sean O'Brien (30K|100K|50 Miler|50K|26.2) |
Calabasas, California, United States |
| 22 Feb 2025 |
Run Ridge Run 13km (13km) |
Port Moody, British Columbia, Canada |
| 22 Feb 2025 |
Mt. Mitchell Challenge & Black Mountain Marathon (Marathon|40 Miler) |
Black Mountain, North Carolina, United States |
| 22 Feb 2025 |
Diez Vista (50k) |
Port Moody, British Columbia, Canada |
| 23 Feb - 05 Mar 2025 |
Ventura Marathon (Marathon|Half Marathon) |
Ojai, California, United States |
| 23 Feb 2025 |
Bananenclub Waltrail (45 km|15 km|30 km) |
Bergen Op Zoom, North Brabant, Netherlands |
| 23 Feb 2025 |
Rock 'n' Roll Las Vegas (Half Marathon) |
Clark County, Nevada, United States |
| 28 Feb 2025 |
Grandmaster Ultras (100 Miler) |
Littlefield, Arizona, United States |
| 01 Mar 2025 |
Way Too Cool (50K) |
Cool, California, United States |
| 01 Mar 2025 |
Winter Warrior Finland (Winter Warrior Finland Tampere, FUN run) |
Tampere, Pirkanmaa, Finland |
| 02 Mar 2025 |
Mountain to Fountain (15K) |
Maricopa County, Arizona, United States |
| 02 Mar 2025 |
Napa Valley Marathon & Half (Marathon) |
Napa Valley, California, United States |
| 02 Mar 2025 |
Chilltech Beach to Basin (6.8km|2km Kids dash|G.J.Gardner Homes 10km) |
Whangarei, Northland, New Zealand |
| 08 Mar 2025 |
Catalina Island Marathon (Marathon|10K|5K) |
Avalon, California, United States |
| 08 Mar 2025 |
Rock/Creek Stump Jump (50K) |
Chattanooga, Tennessee, United States |
| 08 Mar 2025 |
Antelope Canyon (100 Miler) |
Page, Arizona, United States |
| 08 Mar 2025 |
Mesquite Canyon Trail Runs (30K|1/2 Marathon|50K|50 Miler|8K) |
Waddell, Arizona, United States |
| 08 Mar 2025 |
Singletrack Stampede (22K|10K) |
Calabasas, California, United States |
| 08 Mar 2025 |
Seneca Creek Greenway Trail Marathon, 50K & Relay (50k) |
Gaithersburg, Maryland, United States |
| 08 Mar 2025 |
Kiwi Walk and Run Turangi (Long|Short|Mid) |
Turangi, Waikato, New Zealand |
| 09 Mar 2025 |
Shamrocks & Shenanigans (1K|5K) |
Ann Arbor, Michigan, United States |
| 14 Mar 2025 |
7-toppsturen Bodømarka (7-toppsturen) |
Bodø, Nordland, Norway |
| 15 Mar 2025 |
Nine Trails 35 Mile Endurance Run (Half 17 Miler|35 Miler) |
Santa Barbara, California, United States |
| 15-22 Mar 2025 |
False Spring Trail Runs (10K|20K) |
Laporte, Indiana, United States |
| 15 Mar 2025 |
Ruck a Chuck 50k (50K) |
Foresthill, California, United States |
| 15 Mar 2025 |
Old West 50k, Marathon, and Half Marathon (Marathon|Half Marathon|50k) |
Julian, California, United States |
| 15 Mar 2025 |
Kiwi Walk and Run Christchurch (Half |Short|Long|Mid) |
Christchurch, Canterbury, New Zealand |
| 16 Mar 2025 |
Los Angeles Marathon (Marathon) |
Los Angeles, California, United States |
| 22-23 Mar 2025 |
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 |
| 22 Mar 2025 |
Georgia's Death Race (68 miler) |
Blairsville, Georgia, United States |
| 22 Mar 2025 |
Behind the Rocks (50 Miler|30K|50K) |
Moab, Utah, United States |
| 22 Mar 2025 |
The Runfield Texas Race Series (5K) |
Buda, Texas, United States |
| 22 Mar 2025 |
Ohio's Backyard Ultra (Last Person Standing - Day Course|Last Person Standing - Night Course) |
Lucasville, Ohio, United States |
| 22 Mar 2025 |
Big Alta (50K|28K) |
Lucas Valley, California, United States |
| 22 Mar 2025 |
RTTR 2025 (RTTR 25km|RTTR 2.5km|RTTR 6km|RTTR 13k|RTTR 9km) |
Rokeby, Victoria, Australia |
| 22 Mar 2025 |
Prairie Spirit Trail (100 Miler) |
Ottawa, Kansas, United States |
| 22 Mar 2025 |
Northburn 100 (100 Miles) |
Pisa Moorings, Auckland, New Zealand |
| 22 Mar 2025 |
VALENCIA Trail Race (Half Marathon|10K|50K) |
Valencia, California, United States |
| 22-23 Mar 2025 |
Chianti Ultra Trail (UTCC|CUT|CMT|CHT) |
Radda In Chianti, Tuscany, Italy |
| 22 Mar 2025 |
Cactus Rose Ultra (100 Miles) |
Bandera County, Texas, United States |
| 22 Mar 2025 |
Crown King Scramble (50K) |
Phoenix, Arizona, United States |
| 22 Mar 2025 |
Blackbeard's Revenge (100 Miler) |
Corrolla, North Carolina, United States |
| 23 Mar 2025 |
BDO Parihaka Trail Run (Half Marathon Trail Run|Pak'nSave Whangarei 12km|BDO 5km) |
Whangarei, Northland, New Zealand |
| 23 Mar 2025 |
White Mountains 100 (100 Miler) |
Fairbanks, Alaska, United States |
| 28 Mar 2025 |
Antelope Island Buffalo Run (100 Miler) |
Syracuse, Utah, United States |
| 28 Mar 2025 |
Badger Mountain Challenge (100 Miler|50 Miler) |
Richland, Washington, United States |
| 29 Mar 2025 |
GORTEX Grand Traverse (Grand Traverse) |
Crested Butte, Colorado, United States |
| 29 Mar 2025 |
Kiwi Walk and Run Hamilton (Short|Long|Half|Mid) |
Hamilton, Waikato, New Zealand |
| 30 Mar 2025 |
LGV Marathon - FRÜHJAHRSLAUF (10km-Lauf|5km Gehen|5km Laufen|21km-Lauf) |
Gießen, Hesse, Germany |
| 31 Mar 2025 |
Chuckanut 50k (50k) |
Bellingham, Washington, United States |
| 02 Apr 2025 |
Beyond Limits Ultra (100M) |
Henderson, Nevada, United States |
| 05 Apr 2025 |
Chester Ultra 100 (100 Miles) |
Waverton, England, United Kingdom |
| 5-12 Apr 2025 |
Whiskey Basin Trail Runs (57k|31k|92K|1/2 Marathon|10K) |
Prescott, Arizona, United States |
| 05 Apr 2025 |
Two Oceans Marathon (56K|Half Marathon) |
Cape Town, Western Cape, South Africa |
| 05 Apr 2025 |
Incline Vista (20 Miler|Half Marathon) |
Deschutes County, Oregon, United States |
| 05 Apr 2025 |
Iron Furnace Trail Run (1/2 Marathon|5 Mile) |
Mcarthur, Ohio, United States |
| 05 Apr 2025 |
REVEL Mt. Hood (Half Marathon|Marathon) |
Portland, Oregon, United States |
| 05 Apr 2025 |
Lake Martin 100 (100 Miler|50 Miler) |
Tallapoosa County, Alabama, United States |
| 05 Apr 2025 |
Petersburg Half Marathon (5K|Half Marathon) |
Petersburg, Virginia, United States |
| 05 Apr 2025 |
Umstead 100 (100 Miles) |
Raleigh, North Carolina, United States |
| 05 Apr 2025 |
American River (50 Miler) |
Folsom, California, United States |