Curated races, clubs, and training

MarathonThe full 26.2 Half Marathon13.1 miles of fun 5KShort and fast 10KThe classic distance TrailGet off the pavement RoadPavement classics Ultra50K, 100K, and beyond FlatFast, PR-friendly courses DownhillNet elevation drop RelayRun as a team VirtualRun anywhere, anytime CoastalRun along the shoreline MountainHigh-altitude challenges

5KShort and fast 10KThe classic distance Half Marathon13.1 miles of fun MarathonThe full 26.2 50KYour first ultra 50 MileThe long haul 100KUltimate endurance 100 MileThe ultimate challenge

All trail racesGet off the pavement Mountain TrailsAlpine singletrack Coastal TrailsOcean views on foot Hilly TrailsRolling terrain off-road Flat TrailsSmooth and fast off-road Trail Ultras50K+ off-road Trail 50KFirst ultra on dirt Trail Marathon26.2 off-road Trail Half13.1 off-road

All road racesPavement classics Road MarathonClassic 26.2 on pavement Road Half13.1 on the roads Road 10K6.2 miles on pavement Road 5KFast 3.1 on the roads Flat RoadPR-friendly road courses Downhill RoadNet downhill road courses City RoadUrban road events

United StatesRaces across America Boston, MAHistoric running city New York, NYThe five boroughs Chicago, ILFlat and fast Los Angeles, CAWest coast running San Francisco, CAHills and views Denver, COMile high racing Portland, ORPacific Northwest Seattle, WAEmerald city runs Austin, TXTexas running scene Nashville, TNMusic city miles San Diego, CAYear-round sunshine Miami, FLTropical running Honolulu, HIIsland paradise runs Washington, DCMonument runs Salt Lake City, UTMountain valley racing Boulder, CORunner's paradise Bend, ORTrail town USA Asheville, NCBlue Ridge running Duluth, MNNorth Shore trails Charleston, SCSouthern charm runs Savannah, GALive oak lined routes Santa Fe, NMHigh desert art town Key West, FLSouthernmost runs Maui, HIVolcanic island trails Napa Valley, CAWine country running

FlatFast, PR-friendly courses RollingGentle hills throughout HillySignificant climbs MountainousMajor elevation challenges DownhillNet elevation drop CoastalRun along the shoreline MountainHigh-altitude challenges ValleyBetween the peaks IslandSurrounded by water CanyonDeep and dramatic DesertArid and exposed

OceanRun along the ocean LakePeaceful lake views RiverFollow the water BayHarbor and bay views WildernessDeep backcountry RuralQuiet country roads CityUrban energy LoopStart and finish together Point to PointA to B adventures Out & BackThere and back again

Turkey TrotThanksgiving weekend runs New Year'sStart the year running July 4thIndependence Day runs Valentine'sRun with your sweetheart St. Patrick'sLucky runs in green HalloweenSpooky season runs Memorial DayHonor and run ChristmasHoliday season runs Labor DayEnd-of-summer runs Mother's DayRun for mom Father's DayRun for dad Cinco de MayoFiesta runs MLK DayDream runs

YosemiteSierra Nevada running Grand CanyonRim-to-rim adventures ZionRed canyon trails YellowstoneGeothermal wilderness Big SurCoastal California SedonaRed rock running MoabDesert ultra country Lake TahoeAlpine lake running AcadiaNortheast coastal trails GlacierCrown of the continent Death ValleyExtreme desert running Joshua TreeHigh desert trails Rocky MountainAlpine trail running OlympicRainforest to coast Bryce CanyonHoodoo trails Great Smoky MountainsAppalachian running LeadvilleRace across the sky Mount RainierVolcanic peak trails Pictured RocksGreat Lakes shoreline

RelayRun as a team VirtualRun anywhere, anytime WalkingWalk-friendly events TrackOn the oval GrassSoft underfoot SandBeach running MixedVariety of terrain LapsMultiple loops

About Pricing Brand Terms Privacy

© 2026 Intervals

Races Clubs Train Wrapped

RunAround Tucson Relay p/b Tucson Medical Center

Races
United States
Arizona
Tucson, AZ
RunAround Tucson Relay p/b Tucson Medical Center

Ultra Road Relay

RunAround Tucson Relay p/b Tucson Medical Center

Saturday, January 23, 2027Tucson, AZBuddy Runner/Rider – Ultra

Registration open

2026 Course Maps Posted! ~ We are back to the ORIGINAL LOOP! Wave Starts The event will use "wave" starts beginning with slower teams at 7:00 a.m. and progressing to faster teams starting at 10:00 a.m. This allows all teams to finish in time to enjoy the band, food and fun. Wave 1 - 0700 (bibs in the 100's start in wave 1) Wave 2 - 0830 (bis in the 200's start in wave 2) Wave 3 - 1000 (bibs in the 300's start in wave 3) There is nothing else like it in Tucson~a running relay on The Loop. What's the "Loop"? The Chuck Huckelberry Loop is 120+ miles of paved, s...

Races

Surface

Road

Jan 237:00 AM

Jan 237:00 AM

Not affiliated with this event. Official website. We may earn a commission on registrations.

Location

Rillito Regional Park

Tucson, AZ 85718

More races near Tucson

Big Beach Marathon, Half Marathon & Safari 5K

Gulf Shores, AL

26.2 Miles13.1 Miles7K+4

Railway Marathon & Half Marathon presented by CraneWorks

26.2 Miles13.1 Miles10K+3

Mobile Marathon

26.2 Miles13.1 Miles1.2 Miles

Antelope Canyon Ultras Charity Bibs

50 Miles55K30K+1

David's Trail Endurance Run

Mountain Home, AR

WICKED FAST MARATHON & HALF MARATHON TUCSON, ARIZONA

26.2 Miles13.1 Miles

25TH ANNUAL LITTLE ROCK MARATHON WEEKEND

Little Rock, AR

26.2 Miles13.1 Miles10K+2

Christiansen Trail Run - 14 miles

Half Naked Half Marathon - Presented by Anniston Runners Club

13.1 Miles6.55 Miles

RunSedona Events

13.1 Miles10K5K

Running for Children's Rights to Both Parents - 14 of 50 Half Marathons in 50 States - Arizona

13.1 Miles5K10K

Sea Turtle & Sweetheart Running Festival

Gulf Shores, AL

13.1 Miles5K1 Miles+1