There are 384 running races in Wisconsin in 2026 across 169 cities. The next upcoming race is the Tri Faster SwimRun - Race #2 in Brookfield on July 22. Popular distances include 5K races, 10K races, half marathons.

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Wausau 24

Fri, Jul 24 · Wausau, WI Wausau
24 Hour 4 Person Female Masters (50 and over)24 Hour 2 Person Co-ed Junior (Under 18)6 Hour 2 Person Male +49

Wausau Trail Run

Fri, Jul 24 · Wausau, WI Wausau
Trail 5K Trail Run (1 Lap)10K Trail Run (2 Laps)20K Trail Run (4 Laps)

Black Squirrel Scurry Triathlon

Sat, Jul 25 · Merrill, WI Merrill
Triathlon 19U Triathlon Solo (Ages 19 and under)eBike Triathlon Relay Division (No Throttle)eBike Triathlon Solo Division (No Throttle) +5

WaunaFest Run

Sat, Jul 25 · Waunakee, WI Waunakee
Road 2 Mile Walk5K RunTed Tweed 10 Mile Run +1

Sundown Dash

Wed, Jul 29 · Janesville, WI Janesville
Road 5K Run5K Walk (Untimed)5K Virtual +1

Summer PRO Mixed XC Relay

Wed, Jul 29 · Brookfield, WI Brookfield
Road Summer Pro Mixed XC RelaySummer PRO Mixed XC Relay - USATF MemberSummer PRO Mixed XC Relay - Looking for a Team +3

Hixon4est RUD run

Sat, Aug 1 · La Crosse, WI La Crosse
Trail RUD run 4-6 person teamRUD run individualRUD run 2-3 person team +1

Viking Striders Fun Run

Sat, Aug 1 · Valders, WI Valders
Road Viking Striders 2 Mile RunViking Striders 5 Mile RunIron Viking - 2 in 1 Special!

Oregon Kids Triathlon

Sat, Aug 8 · Oregon, WI Oregon
Triathlon 9-12 Year Olds (100 meter swim, 3.6 mile bike, 1.10 mile run)Oregon Kids Triathlon13-14 Year Olds (200 meter swim, 5.7 mile bike, 1.55 mile run) +1