Race Calendar

Find a Race

View: Upcoming Events | 2025 Events

Upcoming Events

= Meets ATRA's Event Standards Program requirements.
= Youth
Bold = ATRA race member.

Date	Name/Link	Distance(s)	Type	Location
May 03, 2024	WausaUltra Backyard and Double Down		Ultra	WI, USA
May 03, 2024	Peneda-Gerês Trail Adventure	280K 130K	Trail	Portugal
May 03, 2024	Salt Flats Endurance Races	100M 50K 50M 5K	Ultra	UT, USA
May 04, 2024	Grit OCR – Mt. High	7.7M	Obstacle/Mud	CA, USA
May 04, 2024	#Runmarana Tortolita Traverse	13.1M 7M	Trail	AZ, USA
May 04, 2024	Donald Dash Trail Run	15K 5K	Trail	WI, USA
May 04, 2024	Collegiate Peaks Races	25M 50M	Ultra	CO, USA
May 04, 2024	Whitewater Triathlon		Trail	NC, USA
May 04, 2024	Tough Gator 5K Mud Run	2K 5K	Obstacle/Mud	FL, USA
May 04, 2024	Wildflower Trail Runs	10K 13.1M 25K 26.2M 50K 5K	Ultra	TX, USA
May 04, 2024	Great Southern Endurance Run	100K 100M	Ultra	GA, USA
May 04, 2024	Folsom 100	100M 54 miles 100 mile two person relay	Ultra	CA, USA
May 04, 2024	Pine Trail Run	10M 50K 5K	Trail	AZ, USA
May 04, 2024	McDonald Forest 50K	50K	Ultra	OR, USA
May 04, 2024	EHQ Valley Falls 6 and 12 Hour	100K 15M 26.2M 50K 50M 6H 12H	Ultra	WV, USA
May 04, 2024	Niwot’s Challenge	100M 50M	Ultra	CO, USA
May 04, 2024	Tava Canons Ultra	13.1M 26.2M	Trail	CO, USA
May 04, 2024	Poppleshoot Trail Races	10K 25K 62K	Ultra	WI, USA
May 04, 2024	The Forgotten	25K 50K	Ultra	OH, USA
May 04, 2024	Suntrail Pure Grit Trail Race	15K 30K 2.5K, 7.5K, 52.5K	Ultra	Canada
May 04, 2024	Mnweni Marathon	10K 5K 21K, 40K	Trail	South Africa
May 04, 2024	XTERRA Gozo Trail Run	10K 20K 50K 21K, 11K	Ultra	Malta
May 04, 2024	Brecon Beacons Trail Running Challenge	10K 13.1M 26.2M 50K	Ultra	United Kingdom
May 04, 2024	Wilsons Prom 100	100K 80K 44K 60K	Ultra	Australia
May 04, 2024	Oxbow 50	50K	Ultra	Canada
May 04, 2024	Palm Bluff Trail Race and Ultra	13.1M 50K 12K	Ultra	FL, USA
May 04, 2024	Ralph Waldo Emerson Trail Race	10M 5K	Trail	NH, USA
May 04, 2024	Farm Park Challenge and Marathon	26.2M 3H, 6H, 10H	Ultra	MD, USA
May 04, 2024	Area 51 5k/12k Trail Race	12K 5K	Trail	MS, USA
May 04, 2024	Folsom Lake Trail Runs	10K 13.1M 50K 35K	Ultra	CA, USA
May 04, 2024	GRC Noccalula Falls Spring Trail Run	13.1M 5M	Trail	AL, USA
May 04, 2024	Take 5 in the Garden	5M	Trail	CO, USA
May 04, 2024	Hollywood to the Sea Road and Trail Relay	75M	Relay	CA, USA
May 04, 2024	Strolling Jim	10K 13.1M 26.2M 40M	Ultra	TN, USA
May 04, 2024	Mount Magazine Trail Run	18M	Trail	AR, USA
May 04, 2024	Wild Horse	50K	Ultra	Canada
May 04, 2024	Bluebell 13k – May	13.1K	Trail	United Kingdom
May 04, 2024	Spartan – Fayetteville Trifecta	10K 20K 50K 5K	Obstacle/Mud	NC, USA
May 04, 2024	Pibeste Integral Trail Races	12K 24K	Mountain	France
May 04, 2024	KC Timber Challenge 5K OCR	5K	Obstacle/Mud	KS, USA
May 04, 2024	The Tick 50 Mile+	58M	Ultra	FL, USA
May 04, 2024	Spartan – Bear Mountain Trail Challenge	10K 13.1M 50K	Trail	NY, USA
May 04, 2024	Wirth Trail Classic	4M	Trail	MN, USA
May 04, 2024	Thames Path 100	100M	Ultra	United Kingdom
May 04, 2024	Greenland Trail Races (Sunday)	25K 4M 50K 8M	Ultra	CO, USA
May 04, 2024	Giddy Up 5k	5K	Trail	CA, USA
May 04, 2024	Grit OCR – East Walker Ranch	8.5M 5.5M	Obstacle/Mud	CA, USA
May 04, 2024	Nielson Challenge May	2M	Trail	CO, USA
May 04, 2024	Rock The Ridge	50M	Ultra	NY, USA
May 04, 2024	Trail of Four Winds 25K	25K	Trail	MO, USA
May 04, 2024	Wood You Rather	10M	Trail	OR, USA
May 04, 2024	Domusa Teknik 40 MLK	65K	Ultra	Spain
May 04, 2024	Merrimack River Trail Run	10M	Trail	MA, USA
May 04, 2024	Beidleheimer Sidewinder 10K	10K 20K	Trail	PA, USA
May 04, 2024	5 Peaks Trail Series – Golden Ears	6K 14K	Trail	Canada
May 04, 2024	runBlossom 5K & Half-Marathon	13.1M 5K	Trail	CO, USA
May 04, 2024	Turquoise Trail Pack Burro Race	3M, 6M	Burro Race	NM, USA
May 04, 2024	Seven Sisters Trail Race	25K	Trail	MA, USA
May 04, 2024	Hayden Cog Run	5K 8.4M	Hill Climb	CO, USA
May 04, 2024	Trail Nut 10k and Half Marathon	10K 13.1M	Trail	VA, USA
May 04, 2024	Lost Creek Trail Runs	10K 30K 5K	Trail	OR, USA
May 04, 2024	White Lake Ultras	6H, 12H, 24H	Ultra	NH, USA
May 04, 2024	Rugged Raccoon	10K 25K 5K	Trail	Canada
May 04, 2024	Dixon’s Revenge Trail Race	13.1M 5K	Trail	NH, USA
May 04, 2024	Two Parks Trail Run	15K 30K	Trail	MI, USA
May 04, 2024	Greenland Trail Races	25K 4M 50K 8M	Ultra	CO, USA
May 04, 2024	Zen Squirrel Trail Run	10M 5M 2M	Trail	NC, USA
May 04, 2024	5 Peaks Trail Running Series: Kelso	13.1K 3K, 6.5K, 19K	Trail	Canada
May 04, 2024	Miwok 100K	100K	Ultra	CA, USA
May 04, 2024	Grayson Highlands	50K 50M	Ultra	VA, USA
May 04, 2024	Hills Creek Endurance Run	3H 12H	Ultra	PA, USA
May 04, 2024	Chupacabra 50	10K 20K 50K 50M	Ultra	TX, USA
May 04, 2024	Hacienda Hills Run – May	10K 13.1M 26.2M 50K 5K 9M	Ultra	CA, USA
May 04, 2024	Willow Trail Run	10M 20M	Trail	WI, USA
May 05, 2024	Verdugo Mountains Trail Run	10K	Trail	CA, USA
May 05, 2024	Dirty Feet Kal Park 50	25K 50K 8K	Ultra	Canada
May 05, 2024	Grayson Highlands Half Marathon	13.1M	Trail	VA, USA
May 05, 2024	Skyline Shuffle		Trail	KS, USA
May 05, 2024	Darby River Half Marathon and 10K	10K 13.1M	Trail	Australia
May 05, 2024	VCP50k	50K	Ultra	NY, USA
May 05, 2024	Borneo Wildlife Marathon	10K 13.1M 26.2M 5K	Trail	Indonesia
May 05, 2024	Greenwood Furnace Trail Challenge	13.1M	Trail	PA, USA
May 05, 2024	Medved Mendon Madness	15M	Trail	NY, USA
May 05, 2024	Pretty Boy 10K Trail Race	10K	Trail	MD, USA
May 05, 2024	Sun Lakes Trail Runs	4M 7M, 21M	Trail	WA, USA
May 05, 2024	Sleepy Hollow Mtn Race	10K 6.7M	Trail	VT, USA
May 06, 2024	Breakneck Point Trail Runs	26.2M 13.1M	Trail	NY, USA
May 06, 2024	Cocodona 250	250M, 125M, 36M	Ultra	AZ, USA
May 08, 2024	Western Reserve Spring Running Series #2	5M	Trail	OH, USA
May 08, 2024	NJ XC Series	5K	Cross Country	NJ, USA
May 08, 2024	Blood Root Ultra	100M 10M 200M 50K 50M 500M	Ultra	VT, USA
May 08, 2024	Portland Trail Series Spring – #3	5M	Trail	OR, USA
May 08, 2024	UTLAC 250K	258K	Ultra	Italy
May 09, 2024	Turnagain Arm Trail Run	8M 4M	Trail	AK, USA
May 09, 2024	Transvulcania Vertical K	83K	Skyrunning	Spain
May 10, 2024	West Virginia Trail Festival	100K 30K 5K 60K	Ultra	WV, USA
May 10, 2024	Traverse City Trail Running Festival (Friday)	10K 5K	Trail	MI, USA
May 10, 2024	Tillamook Burn Trail Run	100M 20M 50K 50M	Ultra	OR, USA
May 10, 2024	Desert Highlights Trail Running Camp		Running Camp	CO, USA
May 10, 2024	Ultra-Trail Snowdonia by UTMB	100K 50K 165K	Ultra	United Kingdom
Date	Name/Link	Distance(s)	Type	Location

= Meets ATRA's Event Standards Program requirements.
= Youth
Bold = ATRA race member.