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Events by Mammoth Race
Upcoming Events
The Mammoth at High Hope Ranch
Oct 10, 2026
Glen Rose, TX USA
50 KM
100 KM
High Hope Endurance Run
May 29, 2027
Glen Rose, TX USA
50 KM
50 KM
100 KM
100 KM
200 KM
Past Events
The Mammoth at Cleburn State Park
Apr 5, 2025
Cleburne, TX USA
60 KM
Weekly Newsletter
A roundup of the week's content and most recent race results. Sent once a week on Thursday.
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Recent Results
Sinister 7 Ultra
Crowsnest Pass, AB - 471 finishers
100 Miles
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50 Miles
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50 KM
Hardrock 100 Endurance Run
Silverton, CO - 116 finishers
100 Miles
Slow and Tired's Bad Idea
Enoree, SC - 19 finishers
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The Revolution
Redding, CT - 53 finishers
12 Hours
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6 Hours
Hellz Bellz Ultra
Yacolt, WA - 62 finishers
50 Miles
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50 KM
Siskiyou Out Back
Ashland, OR - 331 finishers
100 Miles
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100 KM
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50 KM
Dances with Dirt - Devil's Lake
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50 Miles
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50 KM
Beaverhead Endurance Runs
Salmon, ID - 363 finishers
100 KM
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55 KM
Waugoshance Trail 50K
Mackinaw City, MI - 62 finishers
50 KM
Yellowstone 50K Trail Race
West Yellowstone, MT - 9 finishers
50 KM
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