OSIM Sundown Marathon Singapore

1 June 2019, Saturday

F1 Pit Building



Sundown Marathon Singapore 2019 will be held on 1 June 2019, Saturday at the F1 Pit Building.

You can register online here.

  • 5KM Fun Run (Kids / Youth): 6 to 17 years as of 1 June 2019. Adult supervision by a registered 5KM Fun Run (Adult) participant is required.
  • 5KM Fun Run (Adult): 18 years and above as of 1 June 2019.
  • 10KM Challenge (Individual) and Team of 4: 16 years and above as of 1 June 2019.
  • 21.1KM Half Marathon: 18 years and above as of 1 June 2019.
  • 42.195KM Full Marathon: 18 years and above as of 1 June 2019.

Please click here to check out our registration fees.

You can make payment by VISA/Mastercard/AMEX through the online payment portal which you will be directed to after you've duly completed your registration.

Yes. All fees are inclusive of GST.

Click here to check out the loyalty rates for 2016 - 2018 participants.

Loyalty Rates are applicable to OSIM Sundown Marathon 2016 - 2018 participants. Please enter the email address used during registration as LIV3LY Code to enjoy loyalty rates.

Loyalty Rates will only be valid until 31 Jan 2019. There will be no extension to this deadline.

Yes, participants below the age of 18 are required to seek parental/guardian consent before signing up for the race. They would be required to submit the signed indemnity form during the Race Entry Pack Collection (REPC), failing which the Race Organiser reserves the right to refuse the entry of the participant. You can download the indemnity form here.

Participants will receive a confirmation email upon successful registration. Your unique Registration ID will be reflected on the confirmation slip.

There could be several reasons:

  • The email has been blocked by your mail server and/ or is treated as spam.
  • Your registration was not successful.
  • There was an error in your email address.

Please check your registration status via the Participant’s Login on the website and reconfirm your email address. We will resend the confirmation slip through the online tracking system.

If all the above fails, please call our hotline at +65 6248 5777 and email us at [email protected] and provide the following information:

  • Name
  • Email Address
  • Race Category

Please allow at least 3-5 working days for investigation.

Yes, you are able to change your race category by writing an email to us at [email protected].

However, there will be no refunding of the balance for downgrading of race category, and runner will have to pay the balance amount for any upgrading of race category.

Registration closes on 28 April 2019, or when race slots are filled, whichever earlier.

The 10KM Challenge Team of 4 race category is not a relay. Rather, all 4 runners in the team will be flagged off at the same time and run 10KM each. We will take the cumulative finish timings of the 4 runners. The top teams will be eligible for podium positions. Each runner will receive his/her runner’s entitlements.

Log in here to retrieve your confirmation.

You will be eligible for group/ corporate registration if you are purchasing a minimum of 20 entries.  Please email [email protected] for details.

Bulk delivery can be arrange for group registration with 50 entries and above. Delivery fees will apply.

Please kindly write in to [email protected] and provide us with the following details.

  • Company Name:
  • Company Address:
  • Person-in-charge:
  • Contact Number:
  • Estimated Number of Race Slots:

Payment can be via company cheque or bank transfer.


Yes, you are able to change your race singlet by writing an email to us at [email protected].

*Singlet size selection is on a first come first served basis. Any changes must be made before 28 April 2019 subject to availability.

Participants who successfully complete the race in their registered race category will be awarded a Certificate of Participation. This entitlement will not apply to participants who are unable to complete the race within the stipulated cut-off timings, are disqualified or did not complete the race.

Race Certificates are only applicable to timed race categories. This includes 10KM Challenge (Individual), 10KM Challenge (Team of 4), 21.1KM Half Marathon and 42.195KM Full Marathon.

Your Race Certificate will be made available on the Official Website within a month after the race for download.


  • A copy of your NRIC/Passport (Both soft and hardcopies are accepted)
  • A copy of your confirmation slip (Both soft and hardcopies are accepted)
  • Signed Indemnity Form (For participants below the age of 18)

*The Race Organiser reserves the right to refuse participants without the above documents from collecting their race packs.

You may authorise a representative to collect it on your behalf. Please download and complete the Letter of Authorisation. Your representative must produce the following during collection:

  • A copy of their NRIC/Passport (Both Soft and hardcopies are accepted).
  • A copy of your confirmation slip (Both soft and hard copies are accepted)
  • Letter of Authorisation. Download here.

The OSIM Sundown Marathon race pack collection details as below:

Marina Bay Sands, Expo & Convention Centre Hall C
(10 Bayfront Ave, Singapore 018971)

Date & Time:
May 24 2019: 11am – 9pm
May 25 2019: 11am – 9pm
May 26 2019: 11am – 7pm

Yes, bulk collection can be arranged for a group of 50 or more. Please write in to us at [email protected] before 28 April 2019 to make special arrangements.

Late race pack collection will be available on race day (1 June 2019) at the race village.

To facilitate a smooth collection process and to ensure the race starts on time on the race day, we seek the cooperation of all runners residing in Singapore to collect their race packs during the stipulated race pack collection dates.


The run will take place during the night of 1 June 2019 and possibly the morning of 2 June 2019.

The Race Village will open at 6pm on race day. Please click here for more information on the Race Day Programme.

Please click here for more information on the race routes.

Baggage deposit will be made available to all runners. Runners are encouraged to arrive early to deposit their bags and avoid any delay as a queue is expected.

While maximum care and security will be enforced, the race organiser will not be responsible for any loss or damaged items. Participants who choose to use this service may do so at their own risk.

Please click here for more information on how to get to the race village.

Yes. Participants without their assigned race bibs will be refused entry into the starting pen.

Yes, there will be a timing chip for all categories except for 5KM Fun Run.

5KM Fun Run8.00PM
10KM Challenge10.00PM
21KM Half Marathon11.30PM
42.195KM Full Marathon11.30PM

*Flag-off times are subjected to change

5KM Fun Run 1 hour and 30 mins
10KM Challenge 2 hours and 30 mins
21KM Half Marathon 4 hours and 30 mins
42.195KM Full Marathon 8 hours

Unfortunately, you will not be entitled to a finisher medal, finisher tee-shirt and finisher certificate.

No refund will be made if the race is cancelled due to bad weather or unforeseen circumstances.


Please write to us at [email protected] or call us at +65 6248 5777 from 10.30am to 6pm.