Tanaosri Trail

Edition history
Suan Phueng, Thailand
20-21 Dec, 2025 (Sat - Sun)
Event size: 1000 - 4999 participants

Trail running

4 km, 10 km, 25 km, 50 km, 100 km

Price match guarantee

Price from
30 USD
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Official registration partner of Tanaosri Trail

About the event

Experience the Tanaosri Trail, an exhilarating adventure that takes you through breathtaking landscapes, challenging terrains, and rich cultural encounters, promising an unforgettable journey into the heart of nature. This trail offers a diverse range of experiences, from crossing rugged mountains and dense forests to navigating winding rivers and serene valleys. Adventurers will revel in a thrilling blend of adrenaline-pumping activities and peaceful moments of reflection amidst pristine wilderness.Designed to immerse you in the local culture's rich tapestry, the trail provides opportunities to engage with indigenous communities, learn about their traditions, and savor authentic cuisine. Whether you are camping under the stars, sharing stories around a crackling fire, or marveling at ancient landmarks, the Tanaosri Trail ensures new discoveries and lasting memories at every turn.

With experienced guides leading the way and a supportive community of fellow adventurers, this trail offers a unique chance to push your boundaries, connect with nature, and embark on a life-changing expedition unlike any other.

Races offered by this event

You have 45 weeks to prepare

Tanaosri Family Run 4

20 Dec, 2025 (Sat)
Trail running

4 km

Solo
On site
Trail
Hilly
Timed
Downhill
Forest
Grass
Gravel
Mountain range
Night
Park
River
Scenic
Sunset
Waterfalls
Wildlife
Fun

Tanaosri the legend 50

20 Dec, 2025 (Sat) - 06:00
Trail running

50 km

2740 m of elevation gain
UTMB qualifier
Solo
On site
Trail
Hilly
Timed
Downhill
Forest
Grass
Gravel
Mountain range
Night
Park
River
Scenic
Sunset
Waterfalls
Wildlife
Fun

Tanaosri Trail

20 Dec, 2025 (Sat) - 09:00
Trail running

100 km

5510 m of elevation gain
UTMB qualifier
Solo
On site
Trail
Hilly
Timed
Downhill
Forest
Grass
Gravel
Mountain range
Night
Park
River
Scenic
Sunset
Waterfalls
Wildlife
Fun

Tanaosri little boy 25

21 Dec, 2025 (Sun) - 04:00
Trail running

25 km

1590 m of elevation gain
UTMB qualifier
Solo
On site
Trail
Hilly
Timed
Downhill
Forest
Grass
Gravel
Mountain range
Night
Park
River
Scenic
Sunset
Waterfalls
Wildlife
Fun

Tanaosri funny trail 10

21 Dec, 2025 (Sun) - 07:00
Trail running

10 km

430 m of elevation gain
Solo
On site
Trail
Hilly
Timed
Downhill
Forest
Grass
Gravel
Mountain range
Night
Park
River
Scenic
Sunset
Waterfalls
Wildlife
Fun

Course details

Course highlights

Ultra & Trail Race at Natural Science Park, Ratchaburi Province 170 km from Bangkok, along the border of Thailand and Myanmar.

Start address

Suan Phueng District, Ratchaburi, Thailand

Finish address

Suan Phueng District, Ratchaburi, Thailand

What’s included in entry

These are included in your entry
Finisher medal
Event T-shirts
Toilets
Goodie bag
E-certificate/e-diploma
Nutrition Stations
Parking
Drink Stations
Bag drop
Timing chip (single use)
Shower
Accident insurance
Medical Assistance

Frequently Asked Questions

Reviews

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Price from
30 USD

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News: Trail running

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NewsResults

Results 2018: Tanaosri Trail

10 Dec, 2018 (Mon)

Credit : Ball’s World TNT10 Piya Bunriw outpaced more then 704 runners to win in 01:06:07. He bested Wasan Ratana who crossed the finish line 4 minutes 19 secondes behind him. Chidpong Wattanakul got the third place in 01:13:36. In the ladies race, Manatsanan Auaeareedumrongsuk claimed victory with a time of 01:25:39 , followed by Aree Limprayoonwong who finished with a time of 01:37:29. While Kanokporn Pothisamutyothin came in third at 01:39:41 Top 5 Men 1 Piya Bunriw 01:06:07 2 Wasan Ratana 01:10:26 3 Chidpong Wattanakul 01:13:36 4 Korwut Uengpongthip 01:15:09 5 Akarin Tongegkaew 01:17:49 Top 5 Women 1 Manatsanan Auaeareedumrongsuk 01:25:39 2 Aree Limprayoonwong 01:37:29 3 Kanokporn Pothisamutyothin 01:39:41 4 Nopchanok Sukprasert 01:43:28 5 Natthakitha Uthayotha 01:46:43 Complete results TNT20 The victory went to Nattha Wisetchat who crossed the finish line at 02:48:34. Parameth Benjaprachaya secured second in this year’s race with a time of 02:49:57. Finishing third was Veerawat Nacsopa (02:50:04). In the ladies race, Aunyamanee Klapachan took top spot in 03:03:10 . She finished 4 minutes 17 secondes ahead of Palida Apichatammarit. Finishing third was Piyawan Niruntraporn (03:10:09). Top 5 Men 1 Nattha Wisetchat 02:48:34 2 Parameth Benjaprachaya 02:49:57 3 Veerawat Nacsopa 02:50:04 4 Kamon Jungprasart 02:51:19 5 Sarawut Wiwatthanakarn 02:59:07 Top 5 Women 1 Aunyamanee Klapachan 03:03:10 2 Palida Apichatammarit 03:07:27 3 Piyawan Niruntraporn 03:10:09 4 Pansa Hongklai 03:12:28 5 Ketkran Suwanmanee 03:13:46 Complete results TNT30 Brendon Thomas won the race with a time of 04:07:41. Maxime Bouvier secured second in this year’s race with a time of 04:18:43. Jeanmarie Burger (04:39:31) made notched third place. In the women’s race, Phitchanan Mahachot scored victory with a time of 05:03:13 . She bested Saovalak Bunwan who crossed the finish line 37 minutes 8 secondes behind her. While Nampetch Porntharukcharoen came in third at 05:51:21 Top 5 Men 1 Brendon Thomas 04:07:41 2 Maxime Bouvier 04:18:43 3 Jeanmarie Burger 04:39:31 4 Jirawat Chobdee 04:58:17 5 Milan Goc 04:58:37 Top 5 Women 1 Phitchanan Mahachot 05:03:13 2 Saovalak Bunwan 05:40:21 3 Nampetch Porntharukcharoen 05:51:21 4 Wannisa Kongtong 05:55:06 5 Patarada Thanachan 06:01:44 Complete results TNT60 Patikarn Pechsricha outran roughly 528 runners to win with a time of 09:50:22. Coming in second was Supachok Papetthong (10:08:26). The third place went to Poomiphat Chamweha with a time of 10:23:50 In the women’s race, Waroonluk Chuenjit got a win, finishing with a time of 12:15:52 , ahead of Thannapat Aungkatawiwat (13:14:38). The third place went to Anisa Suebwongsan with a time of 13:36:59 Top 5 Men 1 Patikarn Pechsricha 09:50:22 2 Supachok Papetthong 10:08:26 3 Poomiphat Chamweha 10:23:50 4 Tanapong Chankrachang 10:55:31 5 Kittipat Chotchindakun 11:15:56 Top 5 Women 1 Waroonluk Chuenjit 12:15:52 2 Thannapat Aungkatawiwat 13:14:38 3 Anisa Suebwongsan 13:36:59 4 Kannika Poothawang 13:37:41 5 Elviemma Catabay 14:34:06 Complete results
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