Air date: 2016-06-01

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-06-08

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-06-13

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-06-20

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-06-27

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-07-11

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-07-18

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-07-25

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-08-01

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-08-22

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-08-29

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-09-05

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.

Air date: 2016-09-12

Runtime: min

Take an insider's look in this NBC digital exclusive at how an obstacle goes from a simple idea to the ultimate athletic challenge.