100 Miles of Istria je največji hrvaški trail tek. Začel se je leta 2013 s 137-imi tekmovalci, zdaj pa se je razvil v tekmo z več kot 2000 tekmovalci. Je kvalifikacijski tek za UTMB in WSER.
Podjetje Sport Box d.o.o, v sodelovanju s klubom SRK Alba, organizira sedmo izvedbo ultra-trail teka s 100 miljami v nizko-gorskem okolju.
100 Miles of Istria Ultratrail race ima 5 prog:
RED: 100 miles Of Istria Ultra Trail: The race starts on Friday, April 12th from Labin. Maximum time: 46 hours. Each finisher will be awarded 6 ITRA/UTMB qualification points and with WSER qualification.
BLUE: 110 km of Istria Ultra Trail: The race starts on Friday, April 12th from Lovran. Maximum time: 30 hours. Each finisher will be awarded 5 ITRA/UTMB qualification points.
GREEN: 67 km of Istria Trail: The race starts on Saturday, April 13th from Buzet. Maximum time: 15 hours. Each finisher will be awarded 3 ITRA/UTMB qualification point.
b 41 km of Istria Trail: The race starts on Saturday, April 13th from Motovun. Maximum time: 8 hours. Each finisher will be awarded 2 ITRA/UTMB qualification points.
Kids race. The race starts on Sunday, April 14th in Umag.