Foothills XC 12K Trail Race
Aug. 6, xc12k.com
For those who eschew the pavement. Starts and ends at Fort Boise.
Aug. 27, thedirtydash.com
This one is new to Boise but has a serious cult following. It's 10K through the mud at Bogus Basin Mountain Recreation Area with five to 20 of your closest friends. Yee-haw.
Table Rock Challenge
Sept. 10, bluecirclesports.com
Haul thyself up Table Rock (4.5 miles) and back (4.5 miles).
Nampa Harvest Classic Fun Run
Sept. 17, nampaparksandrecreation.org
A family affair with an 8K run or wheelchair race, a two-mile run or walk and a one-mile non-competitive race.
Run for the Hills Half Marathon and 5K
Oct. 1, runforthehillshalf.com
Run through the vineyards and orchards of western Idaho outside Fruitland. Wheelchair starts for both distances.
City of Trees
Oct. 9, cityoftreesmarathon.com
Half and full marathon races, both of which start at Parkcenter Park and wind through the city.
Barber to Boise
Oct. 15, barbertoboise.com
The Barber to Boise proper is a 10K that starts out at Barber Park in Southeast Boise and ends at Bronco Stadium. A 5K starts and ends at Bronco Stadium after a quick loop through Julia Davis Park.
Zeitgeist Half Marathon
Nov. 5, zhalfmarathon.com
Paved and unpaved course through the west end of Boise's North End.
Turkey Trot Relay
Nov. 19, boiseystriders.org
A fun, four-person relay through Ann Morrison Park. Each member runs two miles and the team closest to its predicted time wins a turkey for each team member.
Dec. 17, ymcatvidaho.org
The whole family bundles up and dons Christmas costumes for this Boise race. Courses are 2.5 miles or 6.1 miles.
New Year Table Rock Run
Jan. 1, 2012, boiseystriders.org
Make hauling thyself up and down Table Rock the first thing you do in 2012. It starts bright at early at 8 a.m. so don't stay out too late on New Year's Eve.
Beat Coach Pete
Thousands turn out each year to race against the Boise State football coach in a 5K Greenbelt run.
Dry Creek Half Marathon
One of the first long races of the year courses through Hidden Springs.
Race to Robie Creek
April 21, robiecreek.com
The toughest half marathon in the Northwest is 8.5 miles uphill before the gratifying and painful all downhill finish.
Famous Idaho Potato Marathon and Half Marathon
Go the distance along the Boise River with shorter options of a 5K and 10K.
Main Street Mile
This annual one-mile fun run through downtown Boise raises awareness of prostate cancer.
Meridian Dairy Days Run
A 5K run that's a part of Meridian's annual Dairy Days festival, celebrating the town's dairy roots.
Gather a team of six and each of you will do about five miles--twice. Five solo athletes are accepted each year.
Sun Valley Half Marathon
Starts and ends at the Sun Valley Pavilion.
Road Cycling/Mountain Biking
The region's premier springtime cross-country competitive biking event.
Bob Lebow Charity Ride
This popular event has three- to 100-mile routes through Canyon, Owyhee and Malheur counties for the whole family.
Boise to Idaho City
Capital city to former capital city. The back way.
Great Owyhee Ride
A 50-miler and a century ride just over the border in Ontario, Ore., to benefit the Southeast Oregon Regional Food Bank.
Brundage Bomberman Super D
Only riders with plenty of experience and cojones should consider the Super D.
Racing at 7,000 feet in the Wood River Valley with marathon or cross-country distances.
The best of the best whiz around a tight downtown course. This isn't one you register for--in most cases--it's one you watch.
Sawtooth Century Tour
Aug. 13, bcrd.org
The century riders take it from Ketchum to Alturas Lake and back, while the halfers go to Galena Lodge and back.
Bogus Basin Hill Climb
Aug. 20, georgescycles.com
Racers take on 15 miles uphill and head straight to the top of Bogus Basin.
YMCA Camel's Back Duathlon
Long and short courses with a run-cycle-run format starting and ending at Camel's Back Park in Boise's North End. All ages.
Aug. 4, ymcatvidaho.org
Good one for first-timers. Quarter-mile bike, six-mile swim, two-mile run.
Iron Man Boise
This one is great for the watching, or if you've been training hardcore, great for the competing.
Iron Man Coeur d'Alene
If you're gonna do more than watch, be ready.
YMCA Spudman Triathlon
For the triathlete who's not a beginner but not an expert. Swim 1.5 miles, bike 40K and run 10K.
Xterra Wild Ride Off-Road Triathlon
Aug. 21, wildrockiesracing.com
A three-quarter-mile swim, a 20-mile mountain bike ride and six-mile trail run through Ponderosa State Park near McCall.
YMCA Hidden Springs Youth Triathlon
Sept. 16, ymcatvidaho.org
Two distances for kids 13 and older. A shorter course for 12 and older, and a one-mile kids fun run.
YMCA Hidden Springs Duathlon
Sept. 17, ymcatvidaho.org
Take the road course or the mountain course, which has two separate distances. Also, there is a 5K race.