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🇹🇭Thailand·Ratchaburi

Tanaosri Trail - 11K

Status Unknown
Sun, Dec 20, 2026Date
11.0 kmDistance
+430mElevation
Ratchaburi, ThailandLocation
15 KEKM-Effort
07:00Start Time

About

Traverses the rugged Tenasserim Range along the Thai-Myanmar border through dense tropical forest, river crossings and mountain ridges. Suan Phueng hot springs and nearby Erawan Falls make ideal post-race excursions.

Organized byTanaosri Trail

Difficulty

Not part of any indexed race series.

Easy / Beginner Friendly15 KE
KM-Effort = distance (km) +elevation gain (m)100

Based on the ITRA standard.

Elevation Density39 m/km · Moderate
Elevation Density =elevation gain (m)distance (km)
Time limit:5h

Run Conditions

MountainForest
Weather in Dec

Temperature

21 – 29°C

Warm

Humidity

High

Rainfall

15 mm

Dry season

Sunshine

10.5h/day

~4 rainy days expected

Registration

Website
www.tanaosritrail.com/
Register
Coming soon
Deadline
Not specified
Entry fee
Coming soon

Travel & Logistics

VenueNatural Science Park, Suan Phueng District, Ratchaburi
Google MapsNot found — check the website for more details
No airport within 200 km

Race Day Info

GPX File

Not yet released, check again closer to race date

BiB Collection

Not available yet, check again closer to race date

Mandatory Gear

  • Water 500ml

Other Distances

Tanaosri Trail - 26K

26.0 km+1,590mDec 20
UTMBITRA

Tanaosri Trail - 50K

51.0 km+2,740mDec 19
UTMBITRA

Tanaosri Trail - 100K

104 km+5,510mDec 19
UTMBITRA

Community

Reviews

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Race data is actively being refined. If something looks off, .

Sources: website · Enriched 2026-05-28