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Built on bad decisions in Boulder, CO.

XCoSports

Pirin Ultra

Sep 11, 2026 – Sep 13, 2026

Bansko, BG

25K, 100 Mile, 100K, 50K

Pirin Trail 25K

Pirin Trail 25K

Sep 13, 2026

Pirin Ultra 160K

Pirin Ultra 160K

Sep 11, 2026

Pirin Ultra 68K

Pirin Ultra 68K

Sep 12, 2026

Pirin Extreme 38K

Pirin Extreme 38K

Sep 12, 2026