Categori Maint: 101–500
Pennir safleoedd ar sail y canran o bobl yn a gweithle sy’n cymryd rhan yn yr her (sydd wedi cofnodi o leiaf un siwrne).
| Safle | Gweithle | Cyfranogiad | Siwrneiau | Pellter | CO2 wedi’i arbed | Calorïau wedi’u llosgi | Arian wedi’i arbed |
|---|---|---|---|---|---|---|---|
| 1 | Capita Property & Infrastructure (St. Mellons) | 19% (29/150) | 416 | 13115.4 milltiroedd | 2010.65kg | 80652.1 | £2,239.52 |
| 2 | NHS Wales Informatics Service | 14% (61/432) | 1782 | 9802.3 milltiroedd | 778.607kg | 205018 | £853.73 |
| 3 | Hafod | 11% (18/163) | 295 | 1865.22 milltiroedd | 277.77kg | 57190.2 | £345.8 |
| 4 | Burns Pet Nutrition | 11% (12/110) | 218 | 994.468 milltiroedd | 255.4kg | 49830.9 | £323.84 |
| 5 | Monmouthshire Building Society | 1% (2/155) | 112 | 995.5 milltiroedd | 81.456kg | 24059.7 | £93.27 |
| 6 | Atradius | 1% (5/400) | 97 | 459 milltiroedd | 16.125kg | 20283.9 | £20.35 |
| 7 | Deloitte Cardiff | 1% (2/200) | 39 | 71 milltiroedd | 0.33kg | 3894.8 | £1.92 |
| 7 | Bridgend borough Council | 1% (2/200) | 28 | 139.4 milltiroedd | 30.888kg | 6247.77 | £39.31 |
| 9 | Family Housing Association (Wales) Ltd | 0.8% (2/252) | 17 | 100.1 milltiroedd | 8.408kg | 2667.9 | £10.29 |
| 10 | Ysbyty Cwm Cynon | 0.3% (1/300) | 20 | 48 milltiroedd | 12.78kg | 4005.34 | £16.38 |
| 11 | Cynulliad Cenedlaethol Cymru | National Assembly for Wales | 0.2% (1/450) | 2 | 6 milltiroedd | -1.08kg | 10.2 | £0.96 |
| 12 | Eversheds LLP | 0.2% (1/460) | 37 | 383 milltiroedd | -7.48kg | 7469.79 | £-10.56 |
| 13 | Merthyr Tydfil County Borough Council | 0.2% (1/500) | 67 | 384 milltiroedd | 1.02kg | 19017.3 | £1.26 |
| 13 | Cardiff Business School | 0.2% (1/500) | 12 | 21.6 milltiroedd | 0kg | 1771.2 | £0 |
| 13 | Bluestone Resorts ltd | 0.2% (1/500) | 2 | 12 milltiroedd | 1.92kg | 563 | £2.52 |
| 16 | AberthawPower Station | 0% (0/230) | 0 | 0 milltiroedd | 0kg | 0 | £0 |
| 16 | Aberystwyth University | 0% (0/187) | 0 | 0 milltiroedd | 0kg | 0 | £0 |
| 16 | BT Ty Cynnal | 0% (0/200) | 0 | 0 milltiroedd | 0kg | 0 | £0 |
| 16 | Cadwyn Housing Association | 0% (0/120) | 0 | 0 milltiroedd | 0kg | 0 | £0 |
| 16 | Cardiff and Vale college | 0% (0/200) | 0 | 0 milltiroedd | 0kg | 0 | £0 |