Triathlon Swim Workout: Drills, Endurance & Speed

This triathlon swim session combines technique and conditioning: streamline and water-feel drills first, then controlled speed and endurance work. The goal is to keep the stroke organized as effort rises rather than treating every fast repeat as an all-out sprint.

Swim Workout at a Glance

  • Warm-up: IM kick, freestyle, backstroke, fingertip drag, and single-arm freestyle.
  • Pre-set: 4 × 25 fast IM-order work with generous recovery.
  • Drills: streamline, controlled rotation, sculling, treading, and dolphin-dive progressions.
  • Main set: moderate 100s, faster 50s, and short fast freestyle 25s.
  • Priority: speed with technique, not speed instead of technique.
Triathlon swim workout with streamline, sculling, freestyle, and interval practice

Warm-Up: 350 Yards of Technique

  • 100 IM kick: 25 fly, 25 back, 25 breast, 25 free.
  • 50 freestyle: relaxed, with attention to body position.
  • 50 backstroke: smooth rhythm and rotation.
  • 50 fingertip drag: use the drill to explore relaxed recovery and body rotation.
  • 100 single-arm freestyle: alternate every 25 and focus on a controlled catch and body line.

Pre-Set: 4 × 25 Fast IM Order

Use one stroke per 25 in IM order with approximately 75 seconds per repeat as assigned in class. Swim fast enough to challenge coordination while preserving the mechanics of the stroke.

If butterfly is not appropriate for the swimmer, use the class modification rather than forcing a stroke that cannot yet be performed safely or effectively.

Drill Set 1: Body Position and Rotation

  • 2 × 20 seconds standing streamline.
  • 3 controlled rotations with a noodle.
  • 3 controlled rotations without the noodle when ready.
  • Instructor-directed streamline through a hoop.
  • Instructor-directed dolphin-dive progression through a hoop.

Drill Set 2: Water Feel and Support

  • 3 × 30 seconds sculling.
  • 3 × 10 seconds quicker sculling to compare pressure and control.
  • 2 × 25 controlled dolphin-dive / body-line work.
  • 2 × 60 seconds treading water.
  • 50 freestyle using dolphin kick as assigned.
Underwater safety: hoop and dolphin-dive work is supervised technique practice. It is not a prolonged underwater or breath-holding challenge.

Main Set: Endurance + Speed

2 × 100 moderate freestyle
About 30 seconds recovery. Keep breathing and stroke rhythm controlled.

4 × 50 faster in IM order
About 60 seconds recovery. Use the appropriate class substitution when needed.

8 × 25 fast freestyle
Use roughly 60–75 seconds between starts depending on ability. Fast should remain repeatable; reduce speed if the stroke falls apart.

What This Session Teaches

  • Technique under changing intensity: maintain useful mechanics when pace rises.
  • Water feel: sculling and treading make pressure on the hands and forearms easier to notice.
  • Body line: streamline work gives immediate feedback about drag and alignment.
  • Pacing: moderate, fast, and very fast work should feel different.
  • Adaptability: triathlon swimmers benefit from multiple gears rather than one fixed pool pace.

For Class

After this session, you should be able to:

  • Identify the purpose of warm-up, pre-set, drills, and main set.
  • Demonstrate sculling, streamline, and treading skills at your level.
  • Differentiate moderate from fast efforts.
  • Maintain technique during short faster repeats.
  • Explain how pool skill work can support triathlon swimming.

Used in College Coursework

This swim workout is used in Binghamton University Health and Wellness Studies triathlon coursework. In-water skills should be practiced in an appropriate supervised environment.

February 02, 2025 — Matthew Gawors
Tags: HWS Class Session Sculling Streamline Swim Drills Swimming Workouts Triathlon Swimming Triathlon Training
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