By Jisub Seo 14-year Veteran Teacher | Policy Director, Jeonnam Teachers’ Union | Passionate Randonneur

Following my successful 200K and 300K rides, I faced the ultimate challenge just two weeks later: the Gwangju 400K Brevet. If 200K taught me about the cold before dawn, and 300K about the chill after sunset, the 400K was a total masterclass in endurance and strategic planning.
Here is my record of the 22-hour and 13-minute journey that pushed me beyond my limits.
1. Strategy: Winning the Battle Against Cold

From my previous 300K experience, I knew that the “post-sunset chill” combined with sweat-soaked clothes was my greatest enemy. For the 400K, I coordinated with a support car to leave fresh clothes at a midpoint for a full change. Equipped with dual headlights, taillights, and a rear carrier, I was ready for the long night.
2. The Legend: S-WORKS TARMAC SL6

This ride was powered by one of the most memorable bikes of my life: the S-Works Tarmac SL6. Although the industry was shifting toward disc brakes at the time, this rim-brake masterpiece offered the perfect balance of lightweight agility and stiffness. Its low center of gravity provided incredible comfort over the grueling 400km distance.
3. The Timeline: From Cherry Blossoms to Solitary Night

- 08:00 AM – 10:00 AM: Unlike the earlier starts of previous rides, we began at 8:00 AM. Under the beautiful cherry blossoms, the pace was light and brisk. I was already shedding my windbreaker within the first hour.

- 03:30 PM (151km Mark): Reached the 4th Control Point (CP) near Namwon. Morale was still high.
- 07:00 PM & Beyond: As the sun dipped, my energy plummeted. The real battle against the biting cold began.

- 02:00 AM (Near Naju): Exhausted and freezing, my pace dropped significantly. I remember taking a desperate break near Naju, relying on the camaraderie of my fellow rider, Dong-yoon, to keep going.
π‘ Reflection: Why We Challenge Ourselves

Looking back at the brevet card filled with stamps, I realize itβs more than just ink on paper. The 22-hour journey taught me that “I can do it.” This sense of achievement has trickled down into my daily life, my parenting, and my career as a teacher. It is the realization that consistent effort eventually leads to success.
I am now looking forward to my next challenge: the newly released Korea Randonneurs PT-166 course.

[λλλμ€] κ΄μ£Ό 400K μμ£ΌκΈ°: 22μκ°μ μ¬ν¬, νκ³λ₯Ό λμ΄ μΈμμ λ°°μ°λ€
μ λ λμ 200Kμ 300K μμ£Όμ μ΄μ΄, λ¨ 2μ£Ό λ§μ κ΄μ£Ό 400KλΌλ κ±°λν λ²½μ λμ νμ΅λλ€. 200Kκ° μΌμΆ μ μ μΆμλ₯Ό, 300Kκ° μΌλͺ° νμ μΆμλ₯Ό μλ €μ€¬λ€λ©΄, 400Kλ κ·Έ λͺ¨λ κ²μ μ΄κ²¨λ΄μΌ νλ ‘μΈλ΄μ μ λ΅’μ λνμμ΄μμ΅λλ€. 22μκ° 13λΆ λμ μ κ° κΈΈ μμμ λ§μ£Όν κΈ°λ‘λ€μ 곡μ ν©λλ€.
1. μ λ΅μ μ€λΉ: μΆμμμ μΈμμμ μ΄κΈ°λ λ²
300K λΌμ΄λ©μ ν΅ν΄ λμ μ μ μ·μ΄ μμΌλ©° μ°Ύμμ€λ μΆμμ 무μμμ λ°°μ μ΅λλ€. μ΄λ²μλ μν¬νΈμΉ΄λ₯Ό νμ©ν΄ μ€κ° μ§μ μμ μ·μ κ°μμ λ κ³νμ μΈμ μ΅λλ€. μ μ‘°λ±, νλ―Έλ±, κ·Έλ¦¬κ³ λλν μλ©μ μν νλ―Έν μΊλ¦¬μ΄κΉμ§ μ₯μ°©νλ©° λ°€μ λΌμ΄λ©μ λλΉνμ΅λλ€.
2. κΈ°λ³μ μΆμ΅: μμ€μμ€ νλ§(S-WORKS TARMAC) SL6
μ΄λ² λΌμ΄λ©μ μ μμ κ±° μΈμμμ κ°μ₯ μμ±λ λμλ 기체 μ€ νλμΈ νλ§ SL6μ ν¨κ»νμ΅λλ€. λΉμ λμ€ν¬ λΈλ μ΄ν¬λ‘μ μλ λ³νκ° μμλλ μκΈ°μμ§λ§, SL6 λ¦ΌλΈλ μ΄ν¬ λ²μ μ΄ λ³΄μ¬μ€ κ²½λμ±κ³Ό μ μ€μ¬ μ€κ³μ κ°μ±μ 400kmμ μ₯거리μμλ μ΅μμ νΌν¬λ¨Όμ€λ₯Ό μ 곡ν΄μ£Όμμ΅λλ€.
3. 22μκ°μ μ¬μ : λ²κ½κΈΈμμ κ³ λ ν μλ²½κΉμ§
- μ€μ 8μ ~ 10μ: νμλ³΄λ€ λ¦μ 8μμ μΆλ°νμ΅λλ€. μλ¦λ€μ΄ λ²κ½κΈΈμ μ§λλ©° 1μκ° λ§μ λ°λλ§μ΄λ₯Ό λ²μ μ λλ‘ κ²½μΎνκ² λ¬λ Έλ κΈ°μ΅μ΄ λ©λλ€.
- μ€ν 3μ 30λΆ (151km μ§μ ): λ¨μ μΈκ·Ό μ 4 CPμ λμ°©νμ λλ§ ν΄λ 컨λμ μ μ΅κ³ μμ΅λλ€.
- μ€ν 7μ μ΄ν: ν΄κ° μ§λ©΄μ 체λ ₯μ΄ κΈκ²©ν μ νλμμ΅λλ€. λ€μ μΆμμμ κ³ λ ν μΈμμ΄ μμλ μ§μ μ λλ€.
- μλ²½ 2μ (λμ£Ό μΈκ·Ό): λ무 μΆ₯κ³ μλ ₯μ΄ λμ§ μμ μ μ λ©μΆ° μμΌ νμ΅λλ€. ν¨κ»ν λνΈν λλ£λ€κ³Ό μλ‘ μμ§νλ©° λ²ν Όλ κ·Έ μλ²½μ 곡기λ μ§κΈλ μμν©λλ€.
π‘ λ§μΉλ©°: λμ μ΄ μ£Όλ μλν μ μ°
7λ μ΄ μ§λ μ§κΈλ λΈλ λ² μΉ΄λμ μ°ν λμ₯λ€μ 보면 κ°μ΄μ΄ λ² μ°¨μ€λ¦ λλ€. 22μκ°μ μ¬μ μ΄ μ κ² μ€ κ°μ₯ ν° μ λ¬Όμ “λλ ν μ μλ€”λ μμ κ°μ΄μμ΅λλ€. κΎΈμ€ν λ Έλ ₯νλ©΄ μ±μ·¨ν μ μλ€λ μ΄ κΉ¨λ¬μμ μ‘μμ μΌμ, κ·Έλ¦¬κ³ κ΅λ¨μμμ μ 무μμλ μ λ₯Ό μ§ν±ν΄ μ£Όλ ν° νμ΄ λμμ΅λλ€.
μ¬ν΄λ 3μ 1μΌ μλ‘κ² κ³΅κ°λ νκ΅ λλλμ€ PT-166λ² μ½μ€μ λμ ν΄ λ³΄λ € ν©λλ€. λ€μ νλ² νκ³λ₯Ό λμ΄λ³΄κ² μ΅λλ€.
#Randonneurs #Gwangju400K #CyclingLife #SWorksTarmac #SL6 #EnduranceCycling #K_Randonneurs #PT166 #λλλμ€ #κ΄μ£Ό400K #μμ κ±°λΈλ λ² #μμ€μμ€ #νλ§ #νκ³λμ #μκΈ°μ£Όλνμ΅ #μλ
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