April -
September
Register

Volunteer

Insomniac Night Series

Distances vary each race from 5K-75K

Multiple Regional Parks

Arizona

June - August 2026
Register

Great Lakes Endurance

10K to 50K

Upper Peninsula of Michigan

Michigan

June 13
Register

Volunteer

Hypnosis Night Runs

52K | 36K | 22K | 15K | 6K

Estrella Mountain Regional Park

Avondale, AZ

June 13
Register

Volunteer

Barr Lake Trail Race

50K | 30K | Half Marathon | 15K | 5K

Barr Lake State Park

Brighton, CO

June 19
Register

Volunteer

Blackout Night Runs

27K, 13K, 6K

Fort Tuthill County Park

Flagstaff, AZ

June 20
Register

Volunteer

Flagstaff Extreme Big Pine Trail Runs

52K, 27K, 13K, 6K

Fort Tuthill County Park

Flagstaff, AZ

June 20
Register

Volunteer

Two Hearted Trail Runs

50K | Marathon | Half Marathon

Little Two Hearted River

Paradise, MI

June 20
Register

Volunteer

Run With The Roosters

4 Mile Road Race

Sabino Canyon

Tucson, AZ

June 20
Register

Volunteer

Ring the Springs

100K | 50K | 35K

Rock Ledge Ranch at Garden of the Gods

Colorado Springs, CO

June 20
Register

Volunteer

Race The Cog

2.75 Miles w/ 3500ft Gain

Mount Washington Cog Railway

Bretton Woods, NH

June 27
Register

Volunteer

Chase The Moon

12-Hour team relay (3 or 5 person), solo ultramarathon (overnight)

Mountain Vista High School

Mountain Vista Ridge, CO

July 11
Register

Volunteer

Waugoshance Trail Run

50K | Marathon | Half Marathon

North Country Trail

Emmett County, MI

July 11
Register

Volunteer

Stunner Night Runs

50K | 25K | 12K | 6K

Usery Mountain Regional Park

Mesa, AZ

July 18
Register

Volunteer

Silverton Alpine Marathon

8 Mile, Marathon, 50K

Silverton Alpine Loop

Silverton, CO

July 18
Register

Volunteer

Harding Hustle

50K, 30K, 15K

Tucker Wildlife Sanctuary

Modjeska Canyon, CA

July 19
Register

Volunteer

Kendall Mountain Run

12 Mile, 11K

Kendall Mountain

Silverton, CO

July 25
Register

Grand Island

50K, Marathon, Half-Marathon

Grand Island

Munising, MI

July 25
Register

Volunteer

Baldface Scramble

29KM, 14KM

White Mountain National Forest

Chatham, NH

August 1
Register

Volunteer

Tushars Ultras

100K, 70K, Marathon, Half Marathon

Eagle Point Resort

Beaver, UT

August 1
Register

Volunteer

Aspen Backcountry

50K | Marathon | Half-Marathon

Rio Grande Park

Aspen. CO

August 8
Register

Volunteer

Tahqua Trail Runs

25K | 10K

Tahquemenon Falls State Park

Paradise, MI

August 8
Register

Volunteer

Vertigo Night Runs

52K | 31K | 20K | 10K | 6K

White Tank Mountain Regional Park

Waddell, AZ

August 14-16
Register

Volunteer

Jigger Johnson Ultras

100 Mile, 50 Mile, 20 Mile

White Mountains

Waterville Valley, NH

August 15
Register

Volunteer

Westminster

50KM | 35KM | Half Marathon | 10 KM | 5KM

Westminster Lake

Westminster, CO

August 22
Register

Volunteer

Jackrabbit Jubilee

6 Hour, 12 Hour

Nardini Manor

Buckeye, AZ

August 29
Register

Volunteer

Rock Hawk

50K | 25K | 10K | 5K

Castle Rock, CO

August 29
Register

Volunteer

Black Bear Trail Race

50KM | 23K | 4 Mile | 1 Mile

Waterville Valley Town Square

Waterville Valley, NH

September 12-13
Register

Volunteer

Mogollon Monster Trail Runs

100 Mile, 42K

Mogollon Rim

Pine, AZ

September 12
Register

Volunteer

Snow Mountain Ranch Trail Running Festival

50KM  | 33KM | Half-Marathon | 10 KM | 5KM

Snow Mountain Ranch

Granby, CO

September 19
Register

Volunteer

Kilkenny Ridge Race

50 Mile, 25 Mile, 25K

Kilkenny Ridge Trail

Stark, NH

September 19
Register

Volunteer

Jangover Night Runs

75K | 50K | 25K | 15K | 7K

McDowell Mountain Regional Park

Fountain Hills, AZ

September 19
Register

Volunteer

Bryce Canyon Ultras

100M | 50M  | 60K | 50K | 30K | Half Marathon

Lucky 7 Ranch

Hatch, UT

September 25-27
Register

Volunteer

Flagstaff Sky Peaks

50M, 50K, 26K, 11K, 5K, 6HR, 12HR, Mountain 20K, Mountain 6K

Arizona Snowbowl

Flagstaff, AZ

October - December
Register

Volunteer

Desert Runner Trail Fall Series

Distances vary each race from 5K-50 Mile

Maricopa County Regional Parks

Arizona

October - December
Register

Volunteer

Sonoran Desert Cup

Distances vary each race from 5K-50 Mile

Maricopa County Regional Parks

Arizona

October 4
Register

Volunteer

Catalina State Park 50-Year 

9.3 Mile | 5K

Catalina State Park

Tucson, AZ

October 4-5
Register

Volunteer

The Bear Chase

100K, 50 Mile, 50K, Half Marathon, Baby Bear 10K, 5K

Bear Creek Lake Park

Lakewood, CO

October 10
Register

Volunteer

That's No Moon

50 Mile, 50K, 30K

Black Star Canyon

Silverado, CA

October 16
Register

Volunteer

Thrasher Night Trail

33K, 22K, 11K, 5K

Cave Creek Regional Park

Cave Creek, AZ

October 17
Register

Volunteer

Cave Creek Thriller

50K, 24K, 11K, 5K

Cave Creek Regional Park

Cave Creek, AZ

October 17
Register

Volunteer

Bobcat Trail Races

50K, 25K, 10K, 5K

Palmer Park

Colorado Springs, CO

October 17-18
Register

Volunteer

Sonoma Fall Classic

100 Mile | 50 Mile | Marathon | Relay

Lake Sonoma

Lake Sonoma, CA

October 31
Register

Volunteer

Javelina Jundred

Presented by:
HOKA

100 Mile, 100K

McDowell Mountain Regional Park

Fountain Hills, AZ

October 31
Register

Volunteer

Jackass Night Trail

Presented by:
HOKA

31K

McDowell Mountain Regional Park

Fountain Hills, AZ

October 1-31
Register

Javelina Jallucinations

Month Long Virtual Race

Worldwide

November 8
Register

Volunteer

Veterans Day Catalina State Park Trail Races 

10.6M | 5.3M |
5K Road

Catalina State Park

Tuscon, AZ

November 14
Register

Volunteer

Pass Mountain

50 Mile, 50K, 25K, 10K, 5K

Usery Mountain Regional Park

Mesa, AZ

November 14
Register

Volunteer

Punisher Night Trail

30K, 20K, 10K, 5K

Usery Mountain Regional Park

Mesa, AZ

November 14
Register

Volunteer

Louisville Trail Race

Half-Marathon | 10K | 5K

Louisville, CO

Louisville, CO

November 14
Register

Volunteer

Live Oak Odyssey

6 Hour | 3 Hour

O'Neill Regional Park

Trabuco Canyon, CA

November 20-21
Register

Volunteer

Fat Ox

48/24/12/6 Hour, 100 Mile, 100K, 50 Mile, 50K

Estrella Mountain Regional Park

Goodyear, AZ

December 5
Register

Volunteer

McDowell Mountain Frenzy

50 Mile, 50K, 25K, 10 Mile, 5 Mile

McDowell Mountain Regional Park

Fountain Hills, AZ

December 5
Register

Volunteer

Mayhem Night Trail

25K, 10 Mile, 5 Mile

McDowell Mountain Regional Park

Fountain Hills, AZ

December 13
Register

Volunteer

Tucson Marathon

50K, Marathon, 26.2 Relay, Half Marathon

Oracle, AZ

December 20
Register

Volunteer

Desert Solstice Track Invitational

24 Hour, 100 Mile

Central High School

Phoenix, AZ

December 1-25
Register

Merry Vertmas

Virtual Climbing

Aravaipa Virtual

Worldwide

December 28-January 3
Register

Volunteer

Across The Years

6 Day, 72 Hr, 48 Hr, 24 Hr, 12 Hr, 6 Hr, 200 Mile, 100 Mile, 100 Km, Last Person Standing, Marathon

Phoenix, AZ

December 28-January 3
Register

Virtual 6 Day

Aravaipa Virtual

Worldwide

January - March
Register

Volunteer

Desert Runner Trail Spring Series

Distances vary each race from 5K-100 Mile

Maricopa County Regional Parks

Arizona

January 9
Register

Volunteer

San Tan Scramble

50K, 26K, 17K, 9K, 5K, Kid's Run

San Tan Mountain Regional Park

Queen Creek, AZ

January 16
Register

Volunteer

Coldwater Hundred

100M, 100K, 50K, 20M, 10M, 5M

Estrella Mountain Regional Park

Goodyear, AZ

February 1
Register

Volunteer

Prickly Pedal Runs

10 Mile

Lake Pleasant Regional Park

Morris Town, AZ

February 6
Register

Volunteer

Elephant Mountain

50 Mile, 50K, 35K, 22K, 12K, 6K

Cave Creek Regional Park

Cave Creek, AZ

February 13-14
Register

Volunteer

Black Canyon Ultras

100K, 50K

Black Canyon Trail

Mayer, AZ

February 19-20
Register

Volunteer

Jackpot Ultras

48H, 24H, 12H, 6H, 100M, 100Km, 50M

Cornerstone Park

Henderson, NV

February 27
Register

Volunteer

Copper Corridor 

50K, 31K, 17K, 12K

Arizona Trail & Legends of Superior Trails

Superior, AZ

March 6
Register

Volunteer

Antelope Canyon Ultras

50 Mile | 55K | 30K | Half Marathon

Page Sports Complex

Page, AZ

March 13
Register

Volunteer

Mesquite Canyon

50M, 50K, 30K, 1/2 Marathon, 8K, Kid's Fun Run

White Tank Mountain Regional Park

Waddell, AZ

Mountain to Fountain

15K & 5K

Fountain Hills

Fountain Hills, AZ

March 27
Register

Volunteer

Crown King Scramble

50 Kilometer

Crown King

Crown King, AZ

April TBD
Registration and Volunteer Sign Up Coming Soon

Catalina State Park Half Marathon

Half-Marathon, 5.3 Miles

Catalina State Park

Tucson, AZ

April 11
Register

Volunteer

Mountain Ridge Trail Race

21 Mile, Half-Marathon, 10 KM, 5 KM

Highlands Ranch

Colorado

April 4
Register

Volunteer

Dam Good Run

40K, 26K, 13K, 4 Miler, 2 Miler

Lake Pleasant Regional Park

Morristown, AZ

April 10
Register

Volunteer

Zion Ultras

100 Mile, 100K, 60K, 30K, Half Marathon

Ruby Rider Ranch

Apple Valley, UT

April 18
Register

Volunteer

Whiskey Basin Trail Runs

92K, 58K, 33K, Half-Marathon, 10K

Prescott Circle Trail

Prescott, AZ

April 25
Register

Volunteer

Sinister Night Runs

54K | 27K | 18K | 9K | 6K

San Tan Regional Park

Queen Creek, AZ

April 25
Register

Volunteer

Royal Gorge Groove Trail Runs

50K, 30K, 20K, 10K, 5K, Kids Run

Royal Gorge Park

Canon City, CO

May 2
Register

Volunteer

White Lake Ultras

24 Hours, 12 Hours, 6 Hours, Relays

White Lake State Park

Tamworth, NH

May 4
Register

Volunteer

Cocodona 250

125 Mile, 100 Mile,
80 Mile, 40 Mile

Black Canyon City to Flagstaff

May 16
Register

Volunteer

Ram Party

55 Mile | 60K | 50K | 24K | 16K | 15K

Rampart Range

Colorado Springs, CO
Woodland Park, CO

May 23
Register

Volunteer

Adrenaline Night Runs

50K | 25K | 15K | 10K | 6K

McDowell Mountain Regional Park

Fountain Hills, AZ

May 30
Register

Volunteer

Hotfoot Hamster

24 Hour, 12 Hour, 6 Hour

Nardini Manor

Buckeye, AZ

May 30
Register

Volunteer

North Fork 50

50 Mile | 50K 

Buffalo Creek

Buffalo Creek, CO

June 6
Register

Volunteer

Rock River Canyon

50K | 27K

Rock River Canyon Wilderness

Munsing, MI

June 6
Register

Volunteer

Chocorua Mountain Race

25K

Chocorua Mountain

Tamworth, NH