Challenge Series Races 2018

Note: Not all of the exact race dates for 2018 have been published yet by the Race Directors. Dates will be updated as the schedules evolve. If a race on the calendar is canceled, an attempt will be made to find a matching alternative venue. RSVP now to tell us who is racing which venues in 2018. 

Event TypeMonthDate (month-day)Event Name
MultisportJanuaryJan-27Du 3 Bears (Wolfpack)
RunFebruaryFeb-25Couples Relay
RunMarchMar-3Way too Cool (NorCalUltras)
RunMarchMar-4Livermore Half Marathon
MultisportMarchMar-18South Bay Duathlon
RunMarchMar-18Shamrock Run
RunMarchMar-25Oakland Running Festival
RunAprilApr-7American River 50 (NorCalUltras)
RunAprilApr-14Diablo Trails Challenge (Brazen)
MultisportMayMay-5, May-6Wildflower
RunMayMay-6Devil Mountain Run
RunMayMay-13Mother's Day Run
RunMayMay-20Bay 2 Breakers
RunMayMay-26Armed Forces Half Marathon
MultisportMayMay-5Golden Gate Duathlon and 5 M (Wolfpack)
MultisportJuneJun-2DU-TOES (Wolfpack)
SwimJuneJun-2Lake Berryessa Swim
RunJuneJun-10Hook and Ladder
RunJuneJun-17Pleasanton Fathers Day Run
SwimJulyJul-1Santa Cruz Dip and Dash Series
RunJulyJul-4Concord Stars and Stripes
RunJulyJul-7Dirty Dozen (Brazen)
RunJulyJul-15Napa to Sonoma
SwimJulyJul-15Catfish Crawl
MultisportJulyJul-21, Jul-22Donner Lake Triathlon
RunJulyJul-22Wharf to Wharf
MultisportJulyJul-28Santa Rosa IM 70.3
MultisportAugustAug-5Folsom Lake Triathlon
SwimAugustAug-11Donner Lake Open Water Swim
AugustAug-19Oakland Triathlon and Aquathon
SwimAugustAug-12Santa Cruz Dip and Dash Series
RunSeptemberSep-22Berkeley Trail Adventure
RunSeptemberSep-29Rocky Ridge (Brazen)
SwimSeptemberSep-xxSanta Cruz Dip and Dash Series
RunOctoberOct-1Run for Education
RunOctoberOct-6Dick Collins 50K
RunOctoberOct-xxLafayette Reservoir Run
CyclingOctoberOct-xxMt. Diablo Challenge
RunNovemberNov-3Diablo Summit Stomp (Brazen)
RunDecemberDec-1Bah Humbug
RunDecemberDec-xxWalnut Creek Half Marathon
SwimTBDTBDLake Del Valle Open Water Swims
MultisportTBDTBDAltamont Road Time Trial
MultisportTBDTBDAquathon Nationals

See the team calendar for exact dates.