Question: What kinds of obstacles are on a snowboard course?
About the article "Snowboarding", section "Slopestyle".

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Snowboard racing is a form of snowboarding where competitors attempt to obtain the fastest time down a course.
Snowboard racing can be done against the clock, or by two or more competitors racing in a head-to-head format.
The current Olympic snowboarding racing events are parallel giant slalom, parallel slalom and snowboard cross. 
Snowboard tricks are aerials or maneuvers performed on snowboards for fun, or in competitions.
Most often, these maneuvers are performed on obstacles such as jumps, halfpipes, quarterpipes, hips, handrails, funboxes, or ledges, or on the surface of the snow.
Many have their origins in precursory board sports such as skateboarding and surfing. 
The Race.
Course.RFYL courses are typically 5K in length, although each course varies by location and trail layout.
Trails are mostly through wooded areas with some open fields and water barriers depending on location.
Each race has around 12 man-made and natural obstacles that runners must overcome.
The creators of the race do not reveal the obstacles as to keep the course a secret, but obstacles typically involve climbing, sliding, crawling, dodging, and sometimes swimming.RFYL courses also have multiple paths to the finish line.
The Run For Your Lives website states, "There will be a start line, and a finish line, but what happens in between is up to you."
Some routes are dead ends, and others may take longer or have more zombies in the area.
There are also health packs on the course which runners can find to ensure their survival at the finish line. 
Snowboard has vertical drops between and for both men's and women's races with the course being run over a distance of to .
The course has alternating gates.
The sport is only open to standing competitors. 
The DC Mountain Lab was a private snowboard park in Park City, Utah, known as a research and development center.
As of 2011, the property is being put up for sale.
The property is taken up mostly by the snowboard park, but there is also a house there.
It was owned and operated by DC president and co founder Ken Block.
The are home to kickers, boxes,butters and rails galore.
The Lab has its own snowcat for building jumps and grooming the park.
It also has 8 snowmobiles and a handful of dirt bikes.
The Mountain Lab was the location of the snowboard video MTN.
Lab and MTN.
Lab 1.5.
It also serves as a second home for DC co-owner and founder Ken Block and his family.
The Mountain Lab features many possible activities.
The snowboard park that composes the front yard is the main feature, but house guests can also try their hand at skeet shooting, ping-pong, DJing, and playing video games on the custom Mountain Lab Xbox, and admiring Ken Block’s vintage snowboard collection.
The collection features snowboards from all eras of snowboarding, spanning from the very start to the present cutting-edge boards.
The snowboarders don’t have to ride only park if they don’t want to, they can take some of the snowmobiles into the backcountry and ride powder, or ride powder in the parts of the Mountain Lab that haven’t been, or can’t be, groomed.
As of 2008, as part of an agreement with the Ranches at The Preserve homeowners association, where the property is located, all man made obstacles, birms, rails, and other obstacles have been removed, and the property has been mostly returned to its previous condition before the building of the park.
All that remains is the single rope tow.