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18th Siriraj Walk and Run

Registration opening soon

The 18th Siriraj Walk and Run, organized by the Faculty of Medicine Siriraj Hospital, Mahidol University, is an organization that plays a leading role in promoting occupational health and overall well-being in society. It aims to raise awareness of caring for physical health, mental health, and the surrounding social and environmental conditions within one’s community, ensuring a consistently healthy living environment. Through clear guidance and practical recommendations, the initiative encourages correct and tangible actions that deliver broad benefits and true value to people of all genders, ages, and backgrounds. In particular, it emphasizes self-care and the maintenance of personal physical health, leading to better overall health and a reduction in healthcare-related expenses.

Objectives

  1. To honor His Majesty King Vajiralongkorn.
  2. To raise funds for the construction of medical treatment buildings and Siriraj Station.
  3. To promote physical activity among the general public of all genders and ages, as well as staff and students of the Siriraj campus, leading to good health, longer life expectancy, and reduced h

Categories

Half Marathon 21.1 KM
฿850
Mini Marathon 11 KM
฿650
Fun Run 5.5 KM
฿550
VIP 21.1 KM ⭐
฿2,000
VIP 11 KM ⭐
฿2,000
VIP 5.5 KM ⭐
฿2,000

Half Marathon Race Pack

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  • Race bib with timing chip
  • Food
  • Accident insurance
  • Commemorative Shirt: 1 shirt per participant
  • Finisher medal “The 18th Siriraj Walk–Run” for participants who complete the race
  • Finisher bag and Bio-Bob mystery box for Half Marathon participants who finish the race

Mini Marathon Race Pack

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  • Race bib with timing chip
  • Food
  • Accident insurance
  • Commemorative Shirt: 1 shirt per participant
  • Finisher medal “The 18th Siriraj Walk–Run” for participants who complete the race

Fun Run Race Pack

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  • Race bib
  • Food
  • Accident insurance
  • Commemorative Shirt: 1 shirt per participant
  • Finisher medal “The 18th Siriraj Walk–Run” for participants who complete the race

VIP Race Pack

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  • Race bib (with timing chip for half marathon and mini marathon)
  • Food
  • Accident insurance
  • VIP Shirt: 1 per participant
  • Commemorative Shirt: 1 shirt per participant
  • Finisher medal “The 18th Siriraj Walk–Run” for participants who complete the race

Race Categories and Awards

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🔰 Half Marathon 21.1 KM

  • The first finisher with the best time in the Male and Female categories will receive the Overall Trophy, a Royal Trophy graciously bestowed by Her Royal Highness Princess Maha Chakri Sirindhorn.
  • The 1st place finisher in each age group will receive a Royal Trophy graciously bestowed by Her Royal Highness Princess Maha Chakri Sirindhorn.
  • The 2nd–3rd place finishers in each age group will receive trophies from the Faculty of Medicine Siriraj Hospital.

Age Group Categories

Category Age (Years)
Male 18–29, 30–39, 40–49, 50–59, 60 and over
Female 18–29, 30–39, 40–49, 50–59, 60 and over

🔰 Mini Marathon 11 KM

  • The first finisher with the best time in the Male and Female categories will receive the Overall Trophy, a Royal Trophy graciously bestowed by Her Royal Highness Princess Maha Chakri Sirindhorn.
  • The 1st place finisher in each age group will receive a Royal Trophy graciously bestowed by Her Royal Highness Princess Maha Chakri Sirindhorn.
  • The 2nd–3rd place finishers in each age group will receive trophies from the Faculty of Medicine Siriraj Hospital.

Age Group Categories

Category Age (Years)
Male Under 18, 18–29, 30–39, 40–49, 50–59, 60 and over
Female Under 18, 18–29, 30–39, 40–49, 50–59, 60 and over

🔰 Fun Run 5.5 KM

  • Non-competitive (no awards)


*The competition follows the international rules of the International Association of Athletics Federations (IAAF).
All decisions made by the organizing committee are final.

Half Marathon Finisher

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What Runners Will Receive

  • Finisher bag
  • Bio-Bob mystery box

Half Marathon Medal

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Mini Marathon Medal

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Fun Run Medal

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Half Marathon Race Shirt

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Mini Marathon Race Shirt

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Fun Run Race Shirt

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VIP Race Shirt

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Half Marathon Race Route

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Mini Marathon Race Route

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Fun Run Race Route

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Race pack collection

  • Race kits will be delivered to all participants by post.
  • Delivery period: 3–24 April 2026

Race schedule

Sunday, 3 May 2026

Time Details
01:00 Event operations team arrives to prepare the course, directional signs, and water stations
02:45 Presiding guest arrives at the event area
03:15 Opening ceremony (Organizing chairman reports; presiding guest declares the event open)
03:30 Official start signal for Half Marathon 21.1 KM (air horn)
04:20 Official start signal for Mini Marathon 11 KM (air horn)
05:30 Official start signal for Health Walk 5.5 KM (air horn)
05:45 Runners begin finishing (medal distribution / reporting of winners)
06:00 Award ceremony and presentation of souvenirs
08:00 Event closes

Contact information

Online registration (Runlah)
Facebook Messenger
(Mon-Fri 10:00 - 17:00)
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