| Race title ▲▼ Categories |
Date ▲▼ Venue |
|
|
Orange Ribbon Run 2013: Race Against Racism
10 km, 2.7 km Walk |
6 Jul 2013
Marina Bay 
| |
|
Oral Cancer Awareness 3km Funwalk 2023
3km |
18 Nov 2023
Astaka Taman Tasik Titiwangsa, Kuala Lumpur 
| |
|
Optimum Run 2017
5 km, 2 km, 13 km |
12 Mar 2017
Kompleks Sukan Pandamaran, Klang, Selangor
| |
|
OPPO Reno Festive Night Run 2019
10 km, 5 km |
21 Dec 2019
KL SPORTS CITY, BUKIT JALIL
| |
|
Operation XLR8 2017
3 km, 7 km, 14 km |
26 Nov 2017
Mandurah Rd, Baldivis 
| |
|
Operation Shit Your Pants: Peak Crossing 2017
5km zombie walk; walk at your own pace |
28 Oct 2017
Ivorys Rock, Peak Crossing
| |
|
Operation Flinders Challenge 2017
85km, 57km, 31km, 15km, 31km, 15km |
7 Oct 2017
Morialta Conservation Park, Adelaide
| |
|
Open Water Challenge Series – Leg 2 2017
4 km, 1.5 km, 1 km |
23 Jul 2017
Terrazas de Punta Fuego, Batangas 
| |
|
Open Water Challenge Series – Blue Miler 2017
800 m / 1 Mile |
29 Apr 2017
Terrazas de Punta Fuego, Nasugbu
| |
|
Oparara Wilderness Trail Run 2018
35 km, 20 km |
21 Apr 2018
Karamea, West Coast 
| |
|
Oparara Wilderness Trail Run 2017
35 km, 20 km |
22 Apr 2017
Kahurangi National Park, Karamea, West Coast
| |
|
Oniyuri Country-Race 2017
10 km, 5 km |
4 Mar 2017
LADA Sport Complex, Langkawi
| |
|
Onesie Runsie 2016
5 km, 2.5 km |
29 May 2016
Perdana Botanical Garden, Kuala Lumpur
| |
|
OneSiam One Run 2019
10 km |
2 Jun 2019
Siam Paragon, bangkok 
| |
|
OneRun 2018
100-Rounds Relay Run & Individual Run |
28 Jul 2018
Chinese Garden
| |
|
one-north Run 2018
10 km, 5 km, 800M Kids Dash |
2 Dec 2018
One-North Park: Mediapolis
| |
|
one-north Run 2017
10 km, 5 km, 800 m |
5 Nov 2017
one-north Park, Mediapolis
| |
|
|
One-north Run 2016
10 km, 5 km, Familly Dash |
27 Nov 2016
one-north Park: Mediapolis
|
|
one-north Run 2015
10 km, 5 km |
29 Nov 2015
one-north Park, Mediapolis
| |
|
ONE STC RUN 2017
3 km, 6 km, Duathlon, Kiddie Bike Race |
26 Nov 2017
Camp Aguinaldo, Quezon City
| |
|
One STC Run 2016
3 km |
16 Oct 2016
UP Diliman Oval, Quezon City
| |
|
One Punch Man Run Singapore 2016
[CANCELLED]
4 km |
26 Nov 2016
F1 Village
| |
|
One Piece Run 2016
5 km |
6 Mar 2016
Kallang Practice Track
| |
|
One Nation Run 2016
[CANCELLED]
5 km |
9 Aug 2016
Marina Barrage
| |
|
One Meycauayan Fun Run 2017
10 km, 5 km, 1.5 km, 3 km |
15 Jan 2017
Venue TBC, Bulacan
| |
|
One for Health Run 2015
10 km, 7 km, 3 km |
9 Aug 2015
Padang Timur, Petaling Jaya
| |
|
One Eagle Run 2018
10 km, 5 km, 3 km, 1 km |
21 Jan 2018
Ateneo Loyola Campus, Quezon City
| |
|
On Your Mark M4 2018 Leg 4
10 km, 5 km, 32 km |
11 Nov 2018
SM by the Bay, Pasay City
| |
|
On Your Mark M4 2018 Leg 3
Half Marathon, 10 km, 5 km |
9 Sep 2018
SM by the Bay, Pasay City
| |
|
On The Hills 10K 2018
10 km |
2 Jun 2018
MOE Dairy Farm Adventure Learning Centre
| |
|
|
Omotesando Women’s Run 2018
10 km, 2 km, 1 km |
5 Mar 2018
Yoyogi-Park, Omotesando 
|
|
Omotesando Women’s Run 2017
10 km |
26 Mar 2017
Yoyogi Park Amphitheater Plaza, Shibuya, Tokyo
| |
|
Omokoroa Coastal Challenge 2017
10 km, 5 km, 2 km |
29 Oct 2017
Tauranga
| |
|
Omni Light of Change Run 2016
Half Marathon, 10 km, 5 km, 3 km |
18 Sep 2016
Liwasang Ulalim, CCP Complex, Pasay City
| |
|
Ome Takamizusan Trail Run 2017
30 km, 15 km |
2 Apr 2017
Ome City, Tokyo
| |
|
|
Ome Marathon (30k & 10k) 2018
10 km, 30 km |
19 Feb 2018
Ome-shi, Tokyo
|
|
|
Ome Citizen Trail Run 2016
10 km |
19 Jun 2016
太陽の子風の子広場, 東京都青梅市
|
|
Olympic Day Walk 2015
1.8 km |
25 Jul 2015
Jurong East Sports Centre
| |
|
Olympic Day Run 2014
2.6 km |
12 Jul 2014
West Coast Park
| |
|
Old Spanish Trail 50K 2017
50 km |
1 Apr 2017
Venue TBC, Kayapa
| |
|
Old Ghost Ultra 2018
85 km |
24 Feb 2018
Burke Creek to Lyell Historic Reserve, West Coast
| |
|
|
Okutama Ekiden 2017
|
3 Dec 2017
Hakone Ekiden
|
|
|
Okumusashi Ekiden 2018
Ekiden relay for 38.792 km by 6 legs |
28 Jan 2018
Higashi Han-no, Saitama Prefecture
|
|
|
Okugawa Kenko Marathon 2018
10 km, 5 km, 3 km, 2 km |
18 Jun 2018
Nishi Aidu-cho, Fukushima-ken
|
|
Okugawa Kenko Marathon 2017
10 km, 5 km, 3 km, 2 km |
18 Jun 2017
Okukawa Primary School, Fukushima-ken
| |
|
|
Oku-Musashi Ultra Marathon 2018
78 km trail race |
4 Jun 2018
Moroyama Park, Kyoto
|
|
Oku-Musashi Ultra Marathon 2017
78 km trail race |
4 Jun 2017
Moroyama Park
| |
|
Okinawa Marathon 2024
|
18 Feb 2024
Okinawa Comprehensive Athletic Park, Okinawa
| |
|
Okinawa Marathon 2019
Full Marathon, 10 km |
17 Feb 2019
Venue TBC, Okinawa
| |
|
Okinawa Marathon 2017
Full Marathon, Half Marathon, 10 km |
20 Feb 2017
Okinawa Comprehensive Athletic Park, Okinawa
|
