2027 Race Calendar

This race calendar has been published every year since 2009. Many races do not have 2027 dates so this is a work in progress! Last updated October 7, 2026

RaceNameDistancesLocation2027 Datewebsite
Walt Disney World Family 5K5KFlorida06-Jan-27http://www.rundisney.com/
Walt Disney World 10K10KFlorida07-Jan-27http://www.rundisney.com/
Walt Disney World Half Marathon1/2MFlorida08-Jan-27http://www.rundisney.com/
UTMB Vietnam HighlandsUltraVietnam08-Jan-27https://vietnamhighlands.utmb.world/
Disney World MarathonMarathonFlorida09-Jan-27www.disneyworldmarathon.com
Ignite the Night Snowshoe Race10K & 5KUpper Canada Village CAN09-Jan-27http://healthandadventure.com/races
Kohn Kaen International Marathonmarathon +Thailand10-Jan-27https://www.khonkaenmarathon.com/
Bangkok Marathonmarathon+Bangkok10-Jan-27https://bkkmarathon.com
Dion Mighty Chickadee Snowshoe RaceSnowshoeNobleton, On16-Jan-27http://www.healthandadventure.com/
Polar Paws Winter Trail RacetrailOntario16-Jan-27https://crazycatadventures.com/
Lost Dutchman MarathonMarathon+Arizona17-Jan-27www.lostdutchmanmarathon.org
Houston MarathonMarathon+Texas17-Jan-27www.chevronhoustonmarathon.com
Brother Beat Cancer Run24K, 12k, 6kBangkok17-Jan-27https://www.runlah.com/en/bbcr2026
Key West 1/2 Marathon1/2 M, 5KKey West17-Jan-27http://www.keywesthalfmarathon.com
Chombueng Marathonmarathon +Thailand17-Jan-27https://www.facebook.com/chombuengmarathon
Arizona Rock n’Roll MarathonMarathon+Phoenix17-Jan-27https://www.runrocknroll.com
Dion Snowy Soles Snowshoe RacesnowshoeThomasburg23-Jan-27https://www.healthandadventure.com/races
Miami MarathonMarathon+Florida31-Jan-27http://www.themiamimarathon.com/
Maratona de FunchalMarathonPortugal31-Jan-27https://www.madeiramarathon.com/
Winterlude TriathlonTriathlonOttawa31-Jan-27https://www.somersault.ca/
DION SNOWNERGIE SNOWSHOE RACEsnowshoeBoischatel., QC06-Feb-27https://www.healthandadventure.com/dionsnowshoeseries
Summerstown Forest Snowshoe RaceSnowshoeCornwall06-Feb-27http://www.healthandadventure.com/
Canadian Ski MarathonSkiQuebec07-Feb-27https://skimarathon.ca/
Kilmanjaro MarathonM, 1/2, 5KMoshi, Tanzania07-Feb-27http://www.kilimanjaromarathon.com/
Fort Lauderdale MarathonMarathon+Florida14-Feb-27http://a1amarathon.com/
Bougebouge Underground Montreal5KMontreal14-Feb-27https://www.bougebouge.com/en/events/
Embrace Winter RunMarathon+ UltraOttawa14-Feb-27http://www.somersault.ca/
Ultra Trail Jack RabitultraVal_Morin19-Feb-27https://www.courirlaurentides.com/en/ultratrail-jackrabbit/
Mississippi Blues Marathonmarathon +Jackson20-Feb-27https://runsignup.com/Race/MS/Jackson/MississippiBlues
Gatineau LoppetSkiGatineau20-Feb-27www.gatineauloppet.com
Las Vegas Rock n’ Roll1/2Las Vegas21-Feb-27http://www.runrocknroll.com/
Publix Gasparilla Distance ClassicTampa Bay21-Feb-27https://www.rungasparilla.com/
Bougebouge Underground Ottawa5KOttawa21-Feb-27https://www.bougebouge.com
The Hot Chocolate Run15k & 5KSeattle27-Feb-27http://www.hotchocolate15k.com
Gate River Run15KFlorida06-Mar-27http://www.gate-riverrun.com/
Tokyo MarathonMarathonTokyo07-Mar-27https://www.marathon.tokyo/
Antarctica MarathonMarathonAntarictica08-Mar-27http://www.marathontours.com/
Magoya Women’s MarathonmarathonJapan14-Mar-27https://womens-marathon.nagoya/en/
Rome MarathonM, 5KRome, Italy14-Mar-27www.maratonadiroma.it
Shamrock Shuffle8KChicago17-Mar-27https://www.shamrockshuffle.com/
Jerusalem MarathonmarathonJerusalem19-Mar-27http://www.jerusalem-marathon.com/indexEn.aspx
Washington Rock n’Roll1/2Washington20-Mar-27https://www.runrocknroll.com/
LOVE RUN PHILADELPHIA HALF MARATHON1/2Philapelphia21-Mar-27https://www.loverunphilly.com/
NYC Half1/2 marathonNew York City21-Mar-27https://www.nyrr.org/
Syracuse Half Marathon1/2 marathonSyracuse NY21-Mar-27http://www.syracusehalf.com/
Spring Run Off8K & 5K VToronto03-Apr-27www.canadarunningseries.com
IM 70.3 OceansideTriathlonOceanside, CA03-Apr-27http://www.ironman.com
IM 70.3 TexasTriathlonGalveston. Tx04-Apr-27http://www.ironman.com
Around The Bay30K, 5K, relayHamilton V04-Apr-27https://bayrace.com/
Paris International MarathonMarathonParis, France04-Apr-27http://www.schneiderelectricparismarathon.com/
Caledon CrusherUltraCaledon Bruce trail10-Apr-27https://crazycatadventures.com/
Istrski MarathonMarathon+Slovinia11-Apr-27https://istrski-maraton.si/
BAA 5K5KBoston17-Apr-27https://www.baa.org/races/boston-marathon
The Maple Run1/2 Marathon &5KCanton NY17-Apr-27https://www.themaplerun.com/
Vancouver Sun Run10Kvancouver18-Apr-27https://www.vancouversunrun.com/
Delaware Running Festivalmarathon +Delaware18-Apr-27https://www.delawaremarathon.org/Race/DE/Wilmington/DELAWARERUNNINGFESTIVAL
21K de Montreal1/2, 5K VMontreal18-Apr-27https://couronsmtl.com/21k/accueil/
Boston MarathonMarathonBoston19-Apr-27https://www.baa.org/races/boston-marathon
UTBM Canyons Endurance RunUltraAuburn, CA22-Apr-27https://canyons.utmb.world/
IM TexasTriathlonThe Woodlands, TX24-Apr-27http://www.ironman.com
Pick Your Poison Trail RuntrailHorseshoe Valley ONT24-Apr-27https://www.pickyourpoison.ca/
St Lawrence MarathonMarathon +Cornwall24-Apr-27https://stlawrencemarathon.com/
Big Sur MarathonMarathonCalifornia25-Apr-27https://www.bigsurmarathon.org/
Limestone Race Weekend1/2, 5K, 10K, 2KKingston25-Apr-27www.krra.org
Mermaid Run San Francisco5k 10k 10mileSan Francisco25-Apr-27https://www.mermaidseries.com/mermaid-run-san-francisco
London MarathonMarathonLondon, UK25-Apr-27https://www.tcslondonmarathon.com/
Zurich Marathonmarathon+Zurich25-Apr-27https://www.zuerichmarathon.ch/
Gopher Attack MarathonM, 1/2Regina, SK25-Apr-27https://www.marathonmatters.ca
Eugene Marathonmarathon +Portland25-Apr-27https://www.eugenemarathon.com/
Mississauga Marathonmarathon +Mississauga25-Apr-27www.mississaugamarathon.com
Trail des CollinesTrailVorlage01-May-27https://coursesdescollines.ca/
5 peaks- KelsotrailOntario01-May-27http://www.5peaks.com
CN Cycle TourCycleOttawa02-May-27http://cncycle.ca/
GoodLife Toronto MarathonM, 1/2, 5KToronto02-May-27www.torontomarathon.com
Demi-Marathon International Oasis de Levis1/2, 10k. 5kQuebec02-May-27http://www.jecoursqc.com/
BMO Vancouver MarathonM, 1/2, 8K, kidsVancouver, BC02-May-27http://www.bmovanmarathon.ca/
Bougebouge- Ile Perrot marathonmarathon +Ile Perrot02-May-27https://www.bougebouge.com/en/events/
Prague MarathonMarathon +Prague02-May-27https://www.runczech.com/en/events
Black River Trail RunTrailWatertown, NY02-May-27https://runsignup.com/Race/NY/Watertown/BlackRiverTrail15K10K5K
Cocodona 250UltraArazona02-May-27https://www.aravaiparunning.com/cocodona/
Georgina Spring Fling5k, 10k 21.1kGeorgina ONT02-May-27https://enduranceeventproductions.com/
Cincinnati Flying Pig MarathonM, 1/2, 10K, 5K, relayCincinnati, OH02-May-27http://flyingpigmarathon.com/
Copenhagen Marathonmarathon +Copenhagen07-May-27https://copenhagenmarathon.dk/
Goode Run5KOttawa08-May-27https://www.o-ya.ca/goode-run.html
IM 70.3 Golf CoastTriathlonPanama City08-May-27http://www.ironman.com
Luxembourg marathonMarathon & 1/2Luxembourg08-May-27http://www.ing-night-marathon.lu/en
Fredericton MarathonMarathon+Fredericton, NB09-May-27http://www.frederictonmarathon.ca/
Mother’s Day Flower Run5KOttawa09-May-27https://www.somersault.ca/
BougeBouge Outatouais5K 10KGatineau09-May-27https://www.bougebouge.com/en/events/
Chicago Spring 1/21/2 & 10KChicago16-May-27http://www.chicagospringhalf.com/
IM 70.3 ChattanoogaTriathlonTennessee16-May-27http://www.ironman.com
UTMB RothrockUltraPennsylvania16-May-27https://rothrock.utmb.world/
Sugarloaf Mounatin Marathonmarathon &15KMaine16-May-27https://www.sugarloaf.com/events/marathon
Cleevland Marathonmarathon +Cleeveland16-May-27http://www.clevelandmarathon.com/
Woody’s RV World Red Deer MarathonmarathonRed Deer17-May-27http://www.reddeermarathon.ca/
Early Bird TriathlonTriathlonOttawa22-May-27http://www.somersault.ca/
Cape Town MarathonmarathonSouth Africa23-May-27https://capetownmarathon.com/
Challenege – The ChampionshipTriSlovakia23-May-27https://challengefamily.com/races/
Blue Nose International MarathonMarathon+Halifax23-May-27www.bluenosemarathon.com
IM 70.3 PennsylvaniaTriathlonHappy Valley23-May-27https://www.ironman.com/races
Trail du Coureur Bois de DuchesnayTrailQuebec24-May-27http://www.jecoursqc.com/
Des Chenes Toi-Drummondvillemarathon+Drummondville PQ27-May-27https://jecoursdmv.ca/
Stockholm Marathonmararthon +Stockholm29-May-27https://stockholmmarathon.se/
Calgary MarathonMarathonClagary29-May-27www.calgarymarathon.com
Course des Pompiersmarathon +Laval30-May-27https://coursedespompiers.org/
Ottawa Race WeekendMarathon +Ottawa30-May-27www.runottawa.ca
Half Corked Marathon20-24kOkanagan BC30-May-27https://oliverosoyoos.com/half-corked-marathon/
Vermont City MarathonmarathonBurlington30-May-27https://www.runvermont.org/vermont-city-marathon-relay/
Buffalo MarathonMarathon+Buffalo30-May-27http://www.buffalomarathon.com/
Sulphur Springs Trail RaceTrailAncaster ONT30-May-27https://sites.google.com/burlingtonrunners.com/sulphursprings/home
Sudbury Rocks MarathonMarathonSudbury30-May-27www.sudburyrocksmarathon.com
Saskatchewan MarathonmarathonSaskatoon V30-May-27http://www.saskmarathon.ca/
IM 70.3 VictoriaTraithlonVictoria BC30-May-27http://www.ironman.com
IM 70.3 HawaiiTriathlonHawaii05-Jun-27http://www.ironman.com
5 peaks Crawford LakeTrailDurham Forest05-Jun-27http://www.5peaks.com
Ribon 200UltraBlude Mountain11-Jun-27https://crazycatadventures.com/
Napanee Heritage 5K5KNapanee12-Jun-27https://krra.org/
IM 70.3 BoulderTriathlonBoulder, CO12-Jun-27http://www.ironman.com
IM 70.3 RockfordTriathlonIllinois13-Jun-27https://www.ironman.com/races
Shoppers Drug Mart Run for Women5K & 10KOttawa13-Jun-27http://www.runforwomen.ca/
IM 70.3 EaglemanTriathlonMaryland13-Jun-27http://www.ironman.com
5150 Triathlon FestivalTriathlonMt Tremblant19-Jun-27https://www.ironman.com/races
Grandma’s Marathonmarathon, 1/2, 5kDuluth19-Jun-27http://grandmasmarathon.com/
Defi Escaliers19K, 13KQuebec19-Jun-27http://www.jecoursqc.com/en/
Manitoba MarathonMarathon+Winnipeg20-Jun-27https://manitobamarathon.mb.ca/
IM 70.3 Mont TremblantTriathlonMont Tremblant20-Jun-27http://www.ironman.com
UTMB WhistlerUltraBC25-Jun-27https://canyons.utmb.world/races
SuperKids TriTriathlonOttawa26-Jun-27https://www.somersault.ca/
IM 70.3 Coeur d’AleneTriathlon27-Jun-27https://www.ironman.com/races
Challenege RothTriGermany04-Jul-27https://challengefamily.com/races/
Meech Lake TriathlonTriathlonGatineau10-Jul-27https://www.somersault.ca
IM 70.3 MuncieTriathlonMuncie, IN10-Jul-27http://www.ironman.com
IM 70.3 MusselmantriathlonGeneva, NY11-Jul-27www.ironman.com
5 Peaks- Area 8TrailOntario17-Jul-27http://www.5peaks.com
IM 70.3 MuskokaTriathlonMuskoka18-Jul-27www.ironmanmuskoka.com
IM 70.3 OhioTriathlonOhio18-Jul-27http://www.ironman.com
IM 70.3 OregonTriathlonOregon18-Jul-27https://www.ironman.com/races
K-Town TriathlonTriathlonKingston18-Jul-27https://multisportcanada.com/
IM Lake PlacidTriathlonLake Placid25-Jul-27www.ironmanusa.com
IM 70.3 MaineTriathlonMaine25-Jul-27https://www.ironman.com
Sail Challenge Cup QuebecTraithlonQuebec City25-Jul-27https://www.capquebec.com/
1000 Island TriathlonTriathlonBrockville01-Aug-27http://www.somersault.ca/
The Capes 100UltraNova Scotia06-Aug-27https://nstr.ca/capes-100
Foam FestOttawa07-Aug-27https://the5kfoamfest.com/canada/ottawa/
IM CanadaTriathlonOttawa08-Aug-27www.ironman.ca
UTMB Borealys Mont TremblantUltraQuebec14-Aug-27https://canyons.utmb.world/races
Edmonton MarathonmarathonEdmonton15-Aug-27https://www.edmontonmarathon.ca/
Wooly Bully Races5K & 10KKingston15-Aug-27http://www.krra.org/
Demi-Marathon De La voie Verte21, 5, 2001Chelsea22-Aug-27https://www.demivoieverte.ca/
Sydney MarathonmarathonSydney Australia29-Aug-27https://sydneymarathon.com/
Marathon du MedocmarathonFrance04-Sep-27http://www.marathondumedoc.com/
The CanadianTriathlonOttawa04-Sep-27http://www.somersault.ca/
Camp TriTriathlonMille Roches Island11-Sep-27https://www.somersault.ca/
5 peaks- Albion HillstrailOntario11-Sep-27http://www.5peaks.com
Challenge Esprit TriathlonTriathlonMontreal12-Sep-27https://challenge-espritmontreal.com/en/
Bougebouge-Verdum Marathonmarathon+Montreal12-Sep-27https://www.bougebouge.com/en/events/
GFNY OttawacyclingOttawa18-Sep-27
Fort Henry 5K Cross Country Race5KKingston18-Sep-27http://www.krra.org/calendar/
UTMB Grindstone Running FestivalUltraVirginia23-Sep-27https://grindstone.utmb.world/
Courons Gatineau2, 5, 10Gatineau25-Sep-27https://couronsgatineau.ca/en/races/
Berlin MarathonmarathonBerlin26-Sep-27http://www.bmw-berlin-marathon.com/en/
Loch Ness MarathonMarathon +Scottland26-Sep-27https://lochnessmarathon.com/
5 peaks Heart LaketrailOntario02-Oct-27http://www.5peaks.com
Quebec City Marathonmarathon +Quebec03-Oct-27http://www.jecoursqc.com/en/
Raquette River Marathonmararthon+Potsdam NY09-Oct-27https://runsignup.com/Race/NY/Potsdam/RaquetteRiverMarathonHalf10kand5k