# The Biggest Loser (season 5)

**Section:** Weight loss percentage history

| Contestant | Week | Week | Week | Week | Week | Week | Week | Week | Week | Week | Week | Week | Week | Week | Week | Finale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Contestant | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Finale |
| Ali | 8.12% | 1.40% | 2.83% | 3.88% | 15.66% | 15.66% | 15.66% | 15.66% | 15.66% | 15.66% | 4.19% | 3.13% | 3.87% | 2.01% | 7.53% | 9.63% |
| Roger | 5.51% | 0.87% | 2.65% | 3.63% | 3.13% | 2.59% | 2.99% | 5.48% | 2.90% | 3.36% | 3.09% | 3.59% | 2.48% | 0.85% | 6.41% | 9.13% |
| Kelly | 4.80% | 0.39% | 3.50% | 3.23% | 0.00% | 2.92% | 3.43% | 3.11% | 2.75% | 2.83% | 1.94% | 1.49% | 3.52% | 0.52% | 6.81% | 8.99% |
| Mark | 5.96% | 2.61% | 4.60% | 5.62% | 2.13% | 3.91% | 2.71% | 6.05% | 0.50% | 2.99% | 3.59% | 1.60% | 2.16% | +0.55% | 6.63% | 7.69% |
| Jay | 4.44% | 1.79% | 2.55% | 3.73% | 1.94% | 1.98% | 1.61% | 6.56% | 3.07% | 3.17% | 2.34% | 1.44% | 2.43% | +0.50% | 6.32% | 6.32% |
| Dan | 8.06% | 2.81% | 4.33% | 0.38% | 4.92% | 2.79% | 2.87% | 4.64% | 3.10% | 3.65% | 1.90% | 3.86% | 0.50% | 12.12% | 12.12% | 12.12% |
| Brittany | 4.52% | 0.47% | 3.33% | 0.99% | 1.00% | 5.03% | 0.53% | 1.60% | 3.24% | 2.79% | 1.15% | 1.16% | 3.53% | 3.53% | 3.53% | 3.53% |
| Maggie | 4.18% | 0.87% | 2.64% | 1.36% | 3.21% | 2.37% | 0.97% | 2.94% | 4.04% | 3.16% | 0.00% | 8.15% | 8.15% | 8.15% | 8.15% | 8.15% |
| Bernie | 6.01% | 1.88% | 4.98% | 2.82% | 2.07% | 5.51% | 3.14% | 2.31% | 4.74% | 2.99% | 21.54% | 21.54% | 21.54% | 21.54% | 21.54% | 21.54% |
| Paul | 4.29% | 1.05% | 4.95% | 3.35% | +1.15% | 3.46% | 3.98% | 2.07% | 1.27% | 1.27% | x | x | x | x | x | x |
| Trent | 6.65% | 1.47% | 3.24% | 3.35% | 2.40% | 2.46% | 2.24% | 5.16% | 5.16% | 5.16% | 9.06% | 9.06% | 9.06% | 9.06% | 9.06% | 9.06% |
| Jackie | 6.10% | 3.46% | 3.14% | 0.93% | 3.74% | 0.97% | 10.78% | 10.78% | 10.78% | 10.78% | 13.74% | 13.74% | 13.74% | 13.74% | 13.74% | 13.74% |
| Jenn | 4.72% | 0.83% | 1.67% | 2.97% | 2.62% | 7.62% | 7.62% | 7.62% | 7.62% | 7.62% | 7.77% | 7.77% | 7.77% | 7.77% | 7.77% | 7.77% |
| Bette-Sue | 6.13% | 2.45% | 3.35% | 3.03% | 5.36% | 5.36% | 5.36% | 5.36% | 5.36% | 5.36% | 12.26% | 12.26% | 12.26% | 12.26% | 12.26% | 12.26% |
| Amanda | 6.86% | 0.00% | 2.63% | 14.59% | 14.59% | 14.59% | 14.59% | 14.59% | 14.59% | 14.59% | 11.39% | 11.39% | 11.39% | 11.39% | 11.39% | 11.39% |
| Neill | 4.10% | 1.97% | 2.01% | 10.27% | 10.27% | 10.27% | 10.27% | 10.27% | 10.27% | 10.27% | 12.60% | 12.60% | 12.60% | 12.60% | 12.60% | 12.60% |
| Curtis | 5.77% | 0.84% | 21.07% | 21.07% | 21.07% | 21.07% | 21.07% | 21.07% | 21.07% | 21.07% | 17.79% | 17.79% | 17.79% | 17.79% | 17.79% | 17.79% |
| Mallory | 6.45% | +0.49% | 14.22% | 14.22% | 14.22% | 14.22% | 14.22% | 14.22% | 14.22% | 14.22% | 13.14% | 13.14% | 13.14% | 13.14% | 13.14% | 13.14% |
| Lynn | 4.65% | 11.54% | 11.54% | 11.54% | 11.54% | 11.54% | 11.54% | 11.54% | 11.54% | 11.54% | 4.64% | 4.64% | 4.64% | 4.64% | 4.64% | 4.64% |
| Jenni | 2.62% | 11.92% | 11.92% | 11.92% | 11.92% | 11.92% | 11.92% | 11.92% | 11.92% | 11.92% | 6.99% | 6.99% | 6.99% | 6.99% | 6.99% | 6.99% |