International Distance Triathlon
Swim distance will vary. Distance may range from ½ mile to 1.5k or 800-1700 yards.

Olympic Distance Triathlon
Swim distance is 1.5k or approximately 1700 yards.

Half Iron Distance Triathlon
Swim distance is 1.2 miles or approximately 2000 yards.

Iron Distance Triathlon
Swim distance is 2.4 miles or approximately 4000 yards.

25 Yard Pool
1 length = 25 yards (from wall to wall)
2 lengths = 50 yards
4 lengths = 100 yds
¼ mile = about 500 yards = 20 lengths
½ mile = about 800 yards = 32 lengths
1 mile = about 1700 yards = 68 lengths
1.2 miles = about 2000 yards = 80 lengths
2.4 miles = about 4000 yards = 160 lengths

50 Meter Pool
1 length = 50 meters
2 lengths = 100 meters
¼ mile = about 400 meters = 8 lengths
½ mile = about 800 meters = 16 lengths
1 mile = about 1500 meters = 30 lenghts
1.2 miles = about 2000 meters = 40 lengths
2.4 miles = about 4000 meters = 80 lengths