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29 marathons found for Ultra marathon, Argentina. Keep the list broad first, then tighten the filters when a race looks realistic.

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3 Backyard Ultra Club Kona - 35h

April 17, 2027 APR

Travesia de los Cerros

April 27, 2027 APR

14. Xtreme Race 100km - 100km

November 20, 2027 NOV

14. Xtreme Race 64km - 64km

November 21, 2027 NOV

12° Bariloche Running Ultra Trail (BRUT) 60 Km - 50km

November 28, 2027 NOV

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