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Udomporn Polsak vs Vivian Lee
Udomporn Polsak and Vivian Lee, compared on every result on this site. Udomporn Polsak's best total is 222.5 kg (women's 53 kg, 2003); Vivian Lee's is 160 kg (women's 48 kg, 2010). On the Sinclair scale, which allows for bodyweight, Udomporn Polsak is ahead by 75.0 points. They never met in the same class.
Udomporn Polsak and Vivian Lee side by side
Career figures from every result on this site. Where one figure is better, it is in bold. The figures are explained under the table.
| Figure |  Udomporn Polsak |
 Vivian Lee |
|---|---|---|
| Nation | Thailand | Australia |
| Born | 1981 | 1978 |
| Competitions | 8, 1998 to 2004 | 5, 2008 to 2011 |
| Olympic medals | 1 gold | None |
| World Championships medals | 1 gold, 1 bronze | None |
| Best snatch | 100 kg | 69 kg |
| Best clean and jerk | 125 kg | 91 kg |
| Best total | 222.5 kg (women's 53 kg, 2003) | 160 kg (women's 48 kg, 2010) |
| Best Sinclair score | 325.1 | 250.1 |
| Best total, place in its class | 10th of 761 in the women's 53 kg | 202nd of 575 in the women's 48 kg |
| Snatch attempts made | 57% (12 of 21) | 58% (7 of 12) |
| Clean and jerk attempts made | 62% (13 of 21) | 58% (7 of 12) |
| Snatch as a share of clean and jerk | 82% | 76% |
| World records held now | None | None |
How to read these figures
- Sinclair score. The total scaled for bodyweight with the IWF's 2025 to 2028 coefficients, so lifters from different classes sit on one scale. Women and men have separate formulas.
- Place in its class. Where the best total stands among every lifter with a total in that class on this site, on the IWF class list in force at the time.
- Attempts made. The share of all snatch or clean and jerk attempts the lifter made. At senior World Championships and Olympic Games since 1998, lifters make 58% of snatches and 56% of clean and jerks.
- Snatch as a share of clean and jerk. The snatch divided by the clean and jerk at the best total. It describes the shape of a lifter, not strength, so it is not in bold; eight in ten women lifting in national federation meets sit between 70% and 85%.
- World records held now. Records on the IWF class list in force since 1 August 2026. A record set in a class that list retired does not carry over, so a past record holder can show none.
Udomporn Polsak vs Vivian Lee head to head
Udomporn Polsak and Vivian Lee never lifted in the same class at the same competition. The results here run from 1998 to 2004 for Udomporn Polsak and 2008 to 2011 for Vivian Lee, so the side by side figures and the chart are the comparison.
Udomporn Polsak and Vivian Lee, competition by competition
The Sinclair score at each competition: the total scaled for bodyweight, so lifters from different classes sit on one scale. Competitions that ended without a total or a bodyweight have no point.
More comparisons
Lifters whose best totals came in nearby classes, from any year.