Idaho Trail Ultra Series
- Date Sat 10th January 2026 - Mon 28th September 2026
- Location Virtual Event
- Price $32.80
- Races 2 races
- Distances Ultra
Event summary
Get ready for the thrilling Idaho Trail Ultra Series, kicking off on January 10, 2026, and running through September 28, 2026, in the stunning landscapes of Boise, Ada. This exciting series offers two unique challenges: the Idaho Trail Ultra Series (ITUS) for ultra-distance enthusiasts tackling races greater than 50K (31 miles) and the Idaho Trail Series (ITS) for those who prefer sub-ultra distances ranging from 10 to 30 miles. Runners can choose to participate in one or both series, with a total of ten incredible races across Idaho, featuring breathtaking views and endurance-testing challenges!
Participants who complete four races in either series will receive a custom award, with finishers of both series earning a stylish running jacket for the ITUS and a cozy hoodie for the ITS. Additionally, a point system will reward the top performers, with the top six females and males eligible for the coveted Dirty Dozen Award! Don't miss out on this fantastic opportunity to challenge yourself, connect with fellow runners, and experience the beauty of Idaho's trails. Join the excitement and secure your spot in this unforgettable racing adventure!
Participants who complete four races in either series will receive a custom award, with finishers of both series earning a stylish running jacket for the ITUS and a cozy hoodie for the ITS. Additionally, a point system will reward the top performers, with the top six females and males eligible for the coveted Dirty Dozen Award! Don't miss out on this fantastic opportunity to challenge yourself, connect with fellow runners, and experience the beauty of Idaho's trails. Join the excitement and secure your spot in this unforgettable racing adventure!
Organiser's Description
THERE ARE NOW HAS 2 SERIES YOU CAN JOIN: 1: IDAHO TRAIL ULTRA SERIES (ITUS) - FINISH 4 OF THE ULTRA DISTANCE EVENTS (>50K OR 31 MILES). FOR TIMES EVENTS AND BACKYARD ULTRA TYPE EVENTS FINISH > 50K; 2: IDAHO TRAIL SERIES (ITS)- FINISH 4 OF THE SUB-ULTRA DISTANCE EVENTS (BETWEEN 10 MILES AND 30 MILES). FOR TIMES EVENTS AND BACKYARD ULTRA TYPE EVENTS FINISH BETWEEN 10 AND 30 MILES.
YOU CAN JOIN ONE OR BOTH CHALLENGES!! FINISHERS OF BOTH SERIES RECEIVE A CUSTOM AWARD (ULTRA TRAIL CHALLENGE = RUNNING JACKET AND TRAIL CHALLENGE = HOODIE). FOR EACH CHALLENGE THERE WILL BE A POINT SYSTEM AND THE TOP 6 FEMALES AND TOP 6 MEN WIN A DIRTY DOZEN AWARD. YOU CANNOT COMBINE ITUS AND ITS RACES TO GET YOUR 4 FINISHES. _YOU HAVE TO COMPLETE 4 ITUS EVENTS FOR AND ITUS FINISH AND 4 ITS RACES FOR A ITS FINISH. HOWEVER, YOU CAN DO BOTH INDEPENDENTLY AND GET BOTH AWARDS!! _
THE ITUS AND ITS BOTH HAVE 10 RACES RACES ACROSS IDAHO FROM VARIOUS RACE DIRECTORS THAT OFFER SOME OF THE MOST AMAZING VIEWS AND CHALLENGES TO TEST YOUR ENDURANCE, SPEED, AND GRIT.
POINTS SYSTEM:
*
YOU ACCUMULATE POINTS BASED ON THE DISTANCE AND FINISH TIME OF EACH RACE.
*
HOW ARE ITUS POINTS CONFIGURED?
*
WE DIVIDE THE WINNING TIME BY RUNNER TIME AND THEN MULTIPLY BY THE APPLICABLE POINTS FOR THAT RACE (E.G. 31 FOR 50K)
*
BONUS POINTS: 1ST PLACE -10 POINTS; 2ND PLACE -5 POINTS; 3RD PLACE -3 POINTS. 2ND AND 3RD PLACE POINTS ARE CALCULATED ON THE FORMULA BEFORE ADDING THE BONUS POINTS.
2026 ITUS: CLICK ON RACE NAME TO CHECK OUT THEIR WEBSITES.
JANUARY
WILSON CREEK FROZEN 50K [https://runsignup.com/Race/ID/Melba/WilsonCreekFrozen50k?gclsrc=aw.ds&gad_source=1&gad_campaignid=23369939191&gbraid=0AAAAADvmZJ1Vdd3tHi2nzDp8-LRZV5Cmz&gclid=CjwKCAiA3-3KBhBiEiwA2x7FdF3kaKoptRDapEaB1BoTVE1QibZ-mnRJdFXMWnyV6ujPCiAE_CiJeBoCO1sQAvD_BwE]: JANUARY 26
MARCH
PULSE ENDURANCE RUNS 100M, 48HR/24HR/12HR/6HR [https://www.pulserunning.com/pulseenduranceruns] (FINISH AT LEAST 31 MILES IN THE TIME EVENTS). MARCH 19-21
APRIL
SPITFIRE 55K [https://spitfireultra.com/]: APRIL 18
WEISER RIVER 50K [https://www.pulserunning.com/weiser-river-50k]: APRIL 25
JUNE
SCOUT MOUNTAIN ULTRA TRAIL 100M, 50M, AND 50K [https://runsignup.com/Race/ID/Pocatello/ScoutMountainUltras?gclsrc=aw.ds&gad_source=1&gad_campaignid=23369939191&gbraid=0AAAAADvmZJ1Vdd3tHi2nzDp8-LRZV5Cmz&gclid=CjwKCAiA3-3KBhBiEiwA2x7FdF-_ztZG8IGhKCakV5oyTnizyY1Oh3qD4S2guXaQMIAOkOHxjHO1aBoCR6gQAvD_BwE] : JUNE 5-6
RIVER OF NO RETURN 108K AND 55K [https://ronrenduranceruns.com/]: JUNE 20
JULY
BEAVERHEAD ENDURANCE RUNS 100K AND 55K [https://beaverheadrun.com/]: JULY 11
STANDHOPE ULTRA CHALLENGE 100M AND 60K [https://standhopeultrachallenge.wordpress.com/]: JULY 24-26
SEPTEMBER
IF YOU'RE NOT FIRST YOU'RE LAST [https://www.pulserunning.com/notfirstyourelast] (COMPLETE AT LEAST 50K): SEPTEMBER 12
BOGUS 50/50 [https://www.pulserunning.com/bogus-50-50] (50M AND 50K): SEPTEMBER 26TH
2026 ITS: CLICK ON RACE NAME TO CHECK OUT THEIR WEBSITES.
JANUARY
WILSON CREEK FROZEN 10 MILE AND 20 MILE [https://runsignup.com/Race/ID/Melba/WilsonCreekFrozen50k?gclsrc=aw.ds&gad_source=1&gad_campaignid=23369939191&gbraid=0AAAAADvmZJ1Vdd3tHi2nzDp8-LRZV5Cmz&gclid=CjwKCAiA3-3KBhBiEiwA2x7FdNBDHzJYC6_IUVg-Pspj5W2St_7pyOk3ba1Xhsodbd5FvD-8L8exVhoC8yUQAvD_BwE]: JANUARY 26
MARCH
PULSE ENDURANCE RUNS [https://www.pulserunning.com/pulseenduranceruns] 48HR/24HR/12HR/6HR: MARCH 19TH-21ST (FINISH BETWEEN 10 AND 30 MILES): MARCH 19-21
APRIL
SPITFIRE 30K [https://spitfireultra.com/]: APRIL 18
JUNE
SCOUT MOUNTAIN ULTRA TRAIL 23M [https://runsignup.com/Race/ID/Pocatello/ScoutMountainUltras?gclsrc=aw.ds&gad_source=1&gad_campaignid=23369939191&gbraid=0AAAAADvmZJ1Vdd3tHi2nzDp8-LRZV5Cmz&gclid=CjwKCAiA3-3KBhBiEiwA2x7FdF-_ztZG8IGhKCakV5oyTnizyY1Oh3qD4S2guXaQMIAOkOHxjHO1aBoCR6gQAvD_BwE]: JUNE 7
RIVER OF NO RETURN 32K [https://ronrenduranceruns.com/]: JUNE 20
DIRTY DOG MARATHON AND HALF MARATHON [https://www.pulserunning.com/dirty-dog-marathon]: JUNE 14TH
JULY
STANDHOPE ULTRA CHALLENGE 30K [https://standhopeultrachallenge.wordpress.com/]: JULY 25
AUGUST
OUTLAW TRAIL ULTRA HALF MARATHON [https://outlawtrailrun.com/]: AUGUST 8
SEPTEMBER
IF YOU'RE NOT FIRST YOU'RE LAST [https://www.pulserunning.com/notfirstyourelast] (FINISH BETWEEN 10 AND 30 MILES): SEPTEMBER 12
BOGUS 50/50 27K [https://www.pulserunning.com/bogus-50-50]: SEPTEMBER 28TH
BETWEEN 10 AND 30 MILES): JANUARY 8, 2027
YOU CAN JOIN ONE OR BOTH CHALLENGES!! FINISHERS OF BOTH SERIES RECEIVE A CUSTOM AWARD (ULTRA TRAIL CHALLENGE = RUNNING JACKET AND TRAIL CHALLENGE = HOODIE). FOR EACH CHALLENGE THERE WILL BE A POINT SYSTEM AND THE TOP 6 FEMALES AND TOP 6 MEN WIN A DIRTY DOZEN AWARD. YOU CANNOT COMBINE ITUS AND ITS RACES TO GET YOUR 4 FINISHES. _YOU HAVE TO COMPLETE 4 ITUS EVENTS FOR AND ITUS FINISH AND 4 ITS RACES FOR A ITS FINISH. HOWEVER, YOU CAN DO BOTH INDEPENDENTLY AND GET BOTH AWARDS!! _
THE ITUS AND ITS BOTH HAVE 10 RACES RACES ACROSS IDAHO FROM VARIOUS RACE DIRECTORS THAT OFFER SOME OF THE MOST AMAZING VIEWS AND CHALLENGES TO TEST YOUR ENDURANCE, SPEED, AND GRIT.
POINTS SYSTEM:
*
YOU ACCUMULATE POINTS BASED ON THE DISTANCE AND FINISH TIME OF EACH RACE.
*
HOW ARE ITUS POINTS CONFIGURED?
*
WE DIVIDE THE WINNING TIME BY RUNNER TIME AND THEN MULTIPLY BY THE APPLICABLE POINTS FOR THAT RACE (E.G. 31 FOR 50K)
*
BONUS POINTS: 1ST PLACE -10 POINTS; 2ND PLACE -5 POINTS; 3RD PLACE -3 POINTS. 2ND AND 3RD PLACE POINTS ARE CALCULATED ON THE FORMULA BEFORE ADDING THE BONUS POINTS.
2026 ITUS: CLICK ON RACE NAME TO CHECK OUT THEIR WEBSITES.
JANUARY
WILSON CREEK FROZEN 50K [https://runsignup.com/Race/ID/Melba/WilsonCreekFrozen50k?gclsrc=aw.ds&gad_source=1&gad_campaignid=23369939191&gbraid=0AAAAADvmZJ1Vdd3tHi2nzDp8-LRZV5Cmz&gclid=CjwKCAiA3-3KBhBiEiwA2x7FdF3kaKoptRDapEaB1BoTVE1QibZ-mnRJdFXMWnyV6ujPCiAE_CiJeBoCO1sQAvD_BwE]: JANUARY 26
MARCH
PULSE ENDURANCE RUNS 100M, 48HR/24HR/12HR/6HR [https://www.pulserunning.com/pulseenduranceruns] (FINISH AT LEAST 31 MILES IN THE TIME EVENTS). MARCH 19-21
APRIL
SPITFIRE 55K [https://spitfireultra.com/]: APRIL 18
WEISER RIVER 50K [https://www.pulserunning.com/weiser-river-50k]: APRIL 25
JUNE
SCOUT MOUNTAIN ULTRA TRAIL 100M, 50M, AND 50K [https://runsignup.com/Race/ID/Pocatello/ScoutMountainUltras?gclsrc=aw.ds&gad_source=1&gad_campaignid=23369939191&gbraid=0AAAAADvmZJ1Vdd3tHi2nzDp8-LRZV5Cmz&gclid=CjwKCAiA3-3KBhBiEiwA2x7FdF-_ztZG8IGhKCakV5oyTnizyY1Oh3qD4S2guXaQMIAOkOHxjHO1aBoCR6gQAvD_BwE] : JUNE 5-6
RIVER OF NO RETURN 108K AND 55K [https://ronrenduranceruns.com/]: JUNE 20
JULY
BEAVERHEAD ENDURANCE RUNS 100K AND 55K [https://beaverheadrun.com/]: JULY 11
STANDHOPE ULTRA CHALLENGE 100M AND 60K [https://standhopeultrachallenge.wordpress.com/]: JULY 24-26
SEPTEMBER
IF YOU'RE NOT FIRST YOU'RE LAST [https://www.pulserunning.com/notfirstyourelast] (COMPLETE AT LEAST 50K): SEPTEMBER 12
BOGUS 50/50 [https://www.pulserunning.com/bogus-50-50] (50M AND 50K): SEPTEMBER 26TH
2026 ITS: CLICK ON RACE NAME TO CHECK OUT THEIR WEBSITES.
JANUARY
WILSON CREEK FROZEN 10 MILE AND 20 MILE [https://runsignup.com/Race/ID/Melba/WilsonCreekFrozen50k?gclsrc=aw.ds&gad_source=1&gad_campaignid=23369939191&gbraid=0AAAAADvmZJ1Vdd3tHi2nzDp8-LRZV5Cmz&gclid=CjwKCAiA3-3KBhBiEiwA2x7FdNBDHzJYC6_IUVg-Pspj5W2St_7pyOk3ba1Xhsodbd5FvD-8L8exVhoC8yUQAvD_BwE]: JANUARY 26
MARCH
PULSE ENDURANCE RUNS [https://www.pulserunning.com/pulseenduranceruns] 48HR/24HR/12HR/6HR: MARCH 19TH-21ST (FINISH BETWEEN 10 AND 30 MILES): MARCH 19-21
APRIL
SPITFIRE 30K [https://spitfireultra.com/]: APRIL 18
JUNE
SCOUT MOUNTAIN ULTRA TRAIL 23M [https://runsignup.com/Race/ID/Pocatello/ScoutMountainUltras?gclsrc=aw.ds&gad_source=1&gad_campaignid=23369939191&gbraid=0AAAAADvmZJ1Vdd3tHi2nzDp8-LRZV5Cmz&gclid=CjwKCAiA3-3KBhBiEiwA2x7FdF-_ztZG8IGhKCakV5oyTnizyY1Oh3qD4S2guXaQMIAOkOHxjHO1aBoCR6gQAvD_BwE]: JUNE 7
RIVER OF NO RETURN 32K [https://ronrenduranceruns.com/]: JUNE 20
DIRTY DOG MARATHON AND HALF MARATHON [https://www.pulserunning.com/dirty-dog-marathon]: JUNE 14TH
JULY
STANDHOPE ULTRA CHALLENGE 30K [https://standhopeultrachallenge.wordpress.com/]: JULY 25
AUGUST
OUTLAW TRAIL ULTRA HALF MARATHON [https://outlawtrailrun.com/]: AUGUST 8
SEPTEMBER
IF YOU'RE NOT FIRST YOU'RE LAST [https://www.pulserunning.com/notfirstyourelast] (FINISH BETWEEN 10 AND 30 MILES): SEPTEMBER 12
BOGUS 50/50 27K [https://www.pulserunning.com/bogus-50-50]: SEPTEMBER 28TH
BETWEEN 10 AND 30 MILES): JANUARY 8, 2027
Races
Reviews
Done this event?
First-hand event reviews from people who have been there, done that and got the breathable T-shirt, really help everyone choose their next event.
Add a reviewWho's In
See who else is doing this event
Be the first
No-one has marked this event as 'Doing' or 'Maybe' yet. Will you be the first?
Idaho Trail Ultra Series
