Jack Sosinski is an emerging long-course triathlete with strong all-round potential. His progression through the ranks reflects consistency and commitment to high-volume performance.

Career highlights

• Regular IRONMAN and 70.3 pro fields
• Steady improvements across all three legs
• Growing presence on international start lists

Signature Strength

• Balanced profile. Jack’s strength lies not in one leg, but in his combined endurance and ability to hold form across a full race.