Idaho Trail Ultra Series
- Date Sat 10th January 2026 - Mon 28th September 2026
- Location Virtual Event
- Price $27.50
- Races 2 races
- Distances Ultra
Event summary
Get ready for an exhilarating adventure at the Idaho Trail Ultra Series, taking place from January 10, 2026, to September 28, 2026, in the stunning landscapes of Boise, Ada. This exciting event offers two thrilling series for participants: the Idaho Trail Ultra Series (ITUS) and the Idaho Trail Series (ITS). The ITUS invites you to conquer four ultra distance events, each over 50K (31 miles), while the ITS challenges you with four sub-ultra distance races ranging from 10 to 30 miles.
With ten incredible races scattered throughout Idaho, this series promises breathtaking views and diverse terrains that will test your endurance and grit. Participants can earn custom awards, including a stylish running jacket for ITUS finishers and a cozy hoodie for ITS finishers. Plus, with a competitive points system and the chance to win the coveted Dirty Dozen award, there's no shortage of motivation! Whether you're a seasoned ultra runner or a newcomer to the trail running scene, the Idaho Trail Ultra Series is the perfect opportunity to challenge yourself and embrace the great outdoors. Don't miss out on this unforgettable experience!
With ten incredible races scattered throughout Idaho, this series promises breathtaking views and diverse terrains that will test your endurance and grit. Participants can earn custom awards, including a stylish running jacket for ITUS finishers and a cozy hoodie for ITS finishers. Plus, with a competitive points system and the chance to win the coveted Dirty Dozen award, there's no shortage of motivation! Whether you're a seasoned ultra runner or a newcomer to the trail running scene, the Idaho Trail Ultra Series is the perfect opportunity to challenge yourself and embrace the great outdoors. Don't miss out on this unforgettable experience!
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 28TH
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 28TH
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
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Idaho Trail Ultra Series
