in 4 days
Le Grizz Ultramarathon & Relay
Polebridge, MT2,400 ft gain
50 mi15K+1
Open until Oct 10from $35
Trail and Ultra Relays in the US
As of October 6, 2026, Crewable lists 79 upcoming trail and ultra relays in the US from October 2026 to September 2027. The next is Heartland on October 9 in Cassoday, KS. Registration is open for 52. 2 advertise prize money.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
Race calendar
October 2026
48 racesEversource Hartford Marathon, Half Marathon, Relay & Charity 5K
Hartford, CTMarathonHalf Marathon+1Prize moneyCloses Oct 9Saint Bernadette Knights of Columbus Sixth Annual Run for the Nuns
Cedartown, GA1 mi relayOpen until Oct 9from $25The Roaring Fork Splash for Cash, a fundraiser for the Aspen Swim Club
Aspen, CO0.11 mi relay0.03 miOpen until Oct 10from $752nd Annual Gansett Relays - India Point Five - 4 x 800m Relay with Heartbreak & Nike Running
Providence, RI4x800m relayOpen until Oct 16from $20EVL Halloween Half Marathon, 5k, Half Marathon Relay
Ellicottville, NYHalf Marathon5KOpen until Oct 24from $45Southern Utah Halloween Half Marathon, 5k, and Relay
Hurricane, UTHalf Marathon5KOpen until Oct 24from $48Tussey mOUnTaiNBACK 50 Mile Relay and Ultra
Boalsburg, PA5,485 ft gain50 miRelayOpen until Oct 9from $10
November 2026
11 racesInFirst Bank Veteran's Marathon, Half Marathon, and Marathon Relay
Blairsville, PAMarathonHalf MarathonOpen until Oct 31from $70YMCA Harrisburg Marathon, Half, and Relay
Harrisburg, PAMarathonHalf MarathonOpen until Nov 8from $46
December 2026
6 racesJanuary 2027
4 racesFebruary 2027
2 racesMarch 2027
2 racesApril 2027
2 racesMay 2027
3 racesSeptember 2027
1 raceTrail and ultra relays by state
- Florida8
- South Carolina6
- Pennsylvania5
- New York4
- Ohio3
- Texas3
- Utah3
- Virginia3
- Alabama2
- Arizona2
- California2
- Colorado2
- Connecticut2
- Georgia2
- Illinois2
- Kentucky2
- Missouri2
- North Carolina2
- New Jersey2
- Tennessee2
- Alaska1
- Arkansas1
- Iowa1
- Indiana1
- Kansas1
- Massachusetts1
- Maryland1
- Maine1
- Michigan1
- Minnesota1
- Mississippi1
- Montana1
- Nebraska1
- New Hampshire1
- Nevada1
- Oregon1
- Rhode Island1
- Vermont1
- Washington1
- West Virginia1
Quick answers
What is the next trail and ultra relay in the US?
Heartland, on Friday, October 9, 2026, in Cassoday, KS. Distances: 125 mi, Relay.
How many trail and ultra relays in the US have open registration?
52 of the 79 list registration as open as of October 6, 2026, including New Balance Untamed Relay Presented by Fleet Feet, Outback in the Ozarks 205 Mile Relay and CEDAR CREEK FALL DUATHLON.
Which trail and ultra relays in the US offer prize money?
2 races advertise prize money.
Which states have the most trail and ultra relays?
Florida (8), South Carolina (6) and Pennsylvania (5).
What is the busiest month for trail and ultra relays in the US?
October 2026, with 48 of the 79. November 2026 follows with 11.
By month
More ways to browse
All states
- Alabama111
- Alaska5
- Arizona84
- Arkansas71
- California303
- Colorado98
- Connecticut88
- Delaware24
- District of Columbia4
- Florida296
- Georgia200
- Hawaii6
- Idaho24
- Illinois121
- Indiana96
- Iowa50
- Kansas58
- Kentucky71
- Louisiana73
- Maine39
- Maryland95
- Massachusetts89
- Michigan146
- Minnesota27
- Mississippi29
- Missouri104
- Montana21
- Nebraska21
- Nevada39
- New Hampshire26
- New Jersey160
- New Mexico31
- New York175
- North Carolina201
- North Dakota2
- Ohio177
- Oklahoma47
- Oregon65
- Pennsylvania194
- Rhode Island19
- South Carolina109
- South Dakota6
- Tennessee134
- Texas317
- Utah79
- Vermont25
- Virginia159
- Washington130
- West Virginia32
- Wisconsin87
- Wyoming9
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