I was mid-tempo on a weekday evening run when that familiar, sharp pain jabbed under my right ribcage. My pace faltered. I tried slowing down, stretching, even pressing my fingers into the spot — nothing helped. After a few frustrating runs ruined by side stitches, I decided enough was enough. Over weeks of experimentation with breathing techniques and targeted core work, I found a reliable routine that can often stop a mid-run side stitch within 20 minutes. Below I share what worked for me, why it helps, and exactly how to run through the routine so you can get back to enjoying your training.

Why side stitches happen (short and practical)

Before jumping into the fix, I like to understand the problem. A side stitch — also called exercise-related transient abdominal pain (ETAP) — feels like a sharp cramp under the ribs. The causes are multifactorial, but the main culprits I learned to watch for are:

  • Diaphragm irritation: Shallow, rapid breathing while running can pull or stress the diaphragm.
  • Ligament strain: Movement and jarring of internal organs can tug on ligaments attached to the diaphragm.
  • Eating/drinking too close to exercise: A heavy meal or sugary drinks shortly before running can increase risk.
  • Poor posture and weak lateral core muscles: These make it harder to stabilize the torso and diaphragm while you move.

    • Understanding these factors helped me target the right fixes: controlled breathing to calm the diaphragm, and targeted core drills to stabilize the torso and reduce stress on internal attachments.

    Immediate breathing fixes you can use mid-run

    If you feel a stitch start, try these breathing techniques first — they’re quick, portable, and often resolve the pain within minutes.

  • Deep diaphragmatic breaths: Slow down to a walk or gentle jog and inhale deeply through your nose, feeling your belly expand (not your chest). Exhale fully through pursed lips. Repeat 8–12 times.
  • Rhythmic breath-patterning: Match your breath to your footsteps — for example, inhale for 3 steps, exhale for 2. Adjust counts to keep your breathing smooth and not strained.
  • Opposite-arm exhale: When the stitch is on the right, exhale sharply as your left foot strikes, and vice versa. This creates a counter-rotation that can ease the pull.
  • Firm, sustained exhale: I often use a long forced exhale for 6–8 seconds while pressing my fingers into the painful spot — this gives surprisingly fast relief.

    • These fixes are great in the moment. If the stitch persists, move to the targeted core and mobility drills below — you can do them roadside in a park or at the next traffic light.

    20-minute on-the-side routine: breathing + targeted core drills

    This is the exact routine I use when a stitch won’t quit. It combines breathing retraining, mobility, and strengthening aimed at the diaphragm and lateral core. Set a timer for 20 minutes and follow the sequence.

    TimeExerciseHow to do itWhy it helps
    0–3 min Diaphragmatic Breathing Sit or stand tall. Inhale 4s through nose (belly rises), exhale 6s through mouth. Repeat. Calms diaphragm; reduces spasm.
    3–6 min Side-to-side Pelvic Sway Slowly shift hips left-right, keeping breath steady. 10 reps each side. Releases tension in lateral chains and obliques.
    6–11 min Standing Pallof Press (anti-rotation) Use band or cable. Press forward and hold for 3s, return. 8–10 reps each side. Builds lateral core stability; reduces diaphragm pull.
    11–15 min Side Plank with Deep Breaths Hold side plank 20–30s each side. Focus on deep diaphragmatic breaths. Teaches breathing under load; strengthens obliques.
    15–18 min Thread-the-Needle Stretch (quadruped) On hands/knees, slide one arm under the opposite side and twist gently. Hold 20s each side. Opens thorax and lowers rib tension.
    18–20 min Controlled Return to Running Jog lightly, maintain 3:2 breathing or diaphragmatic pattern. Monitor pain. Gradual reintroduction prevents recurrence.

    How I progress this routine between runs

    When a stitch becomes recurring rather than a one-off, I integrate maintenance work into my weekly training:

  • 3x per week: Two sets of side planks (30–45s), Pallof presses 3x10, and diaphragmatic breathing drills for 3–5 minutes.
  • Daily habit: Morning or pre-run 2-minute belly breathing — it’s quick and builds airway control without taking much time.
  • Strength focus: Add rotational medicine ball throws or cable chops once or twice weekly to improve force transfer and reduce lateral strain.

    • Common questions runners ask (and my answers)

    Q: Will it always stop the pain within 20 minutes?
    A: Most of the time yes, especially if I catch it early. If the stitch is severe or linked to a recent large meal, it can take longer or require walking until the gas moves and the discomfort subsides.

    Q: Can certain foods or beverages trigger stitches?
    A: Absolutely. Fatty, high-fiber meals and sugary drinks close to running increase risk. I avoid heavy meals for 2–3 hours and limit carbonated or sugary sports drinks before intervals. Small, easily digested snacks (banana or toast) 30–60 minutes before usually work better.

    Q: Should I press on the spot?
    A: Pressing can give temporary comfort by interrupting a pain signal. I often press with a firm finger while performing a long exhale — the combo helps more than pressing alone.

    Q: Are there any devices or brands I recommend?
    A: I don’t rely on gadgets for stitches, but a lightweight resistance band (brands like TheraBand or SPRI) is great for Pallof presses. For breathing cues, I sometimes use the app "Insight Timer" or a simple metronome app to pace inhales and exhales.

    Tips to avoid future side stitches

  • Warm up properly: 8–10 minutes of dynamic movement and progressive breathing drills before harder efforts.
  • Watch meal timing: Avoid large meals within 2–3 hours of running; keep pre-run snacks light.
  • Improve posture: Keep shoulders relaxed and chest open; avoid forward hunching.
  • Build lateral strength: Don’t skip obliques and anti-rotation work — they stabilize the torso.
  • Practice breathing patterns during easy runs: Make diaphragmatic breathing a habit so it’s automatic when intensity rises.

    • Since I started using this approach, mid-run stitches have become rare. When they do appear, I use the breathing techniques and the 20-minute routine above and usually manage to get back to my planned run without losing the whole session. If you try it, start conservatively and adapt the counts and hold times to your comfort. I’d love to hear how it worked for you — tell me your experience at Sport News or drop a comment on the post at https://www.sport-news.uk.