Size Category: 21–100
Positions are determined by the percentage of people in a workplace participating in the challenge (having logged at least one journey).
| Position | Workplace | Participation | Journeys | Distance | CO2 saved | Calories burned | Money saved |
|---|---|---|---|---|---|---|---|
| 1 | Sustrans Cymru | 68% (15/22) | 983 | 9317.73 miles | 553.254kg | 210718 | £663.94 |
| 2 | Newydd HA | 27% (25/91) | 321 | 1986.99 miles | 230.258kg | 51545.3 | £281.41 |
| 3 | CCfW | 15% (4/26) | 37 | 460 miles | 16.226kg | 4854 | £19.15 |
| 4 | Aneurin Bevan Gwent Public Health Team | 10% (4/40) | 94 | 545.5 miles | 129.909kg | 18616.1 | £163.88 |
| 5 | Bangor University Brambell Bldg | 8% (3/40) | 66 | 570.83 miles | 64.6kg | 9704.83 | £79.8 |
| 6 | Microbiology Swansea | 6% (5/82) | 67 | 865.7 miles | 65.801kg | 6156.8 | £2.1 |
| 7 | Public Health Wales Microbiology | 6% (3/50) | 80 | 124.5 miles | 11.78kg | 5390.6 | £15.93 |
| 8 | Welsh Treasury | 5% (4/75) | 96 | 223 miles | 17.326kg | 5524.36 | £18.12 |
| 9 | Dolmans Solicitors | 2% (1/44) | 34 | 77 miles | 3.3kg | 7943.37 | £4.2 |
| 10 | Health and Care Research Wales | 2% (1/50) | 20 | 30 miles | 0kg | 854 | £0 |
| 10 | NWSSP Procurement Services | 2% (2/100) | 8 | 41.2 miles | 0kg | 938.198 | £0 |
| 12 | Arts Council of Wales | 2% (1/60) | 35 | 158 miles | -7.4kg | 1754.53 | £3.92 |
| 13 | Cambian Pengwern College | 1% (1/70) | 17 | 83.99 miles | 2.64kg | 3940.53 | £3.36 |
| 14 | BoyesRees Architects | 0% (0/50) | 0 | 0 miles | 0kg | 0 | £0 |
| 14 | Care Council for Wales | 0% (0/80) | 0 | 0 miles | 0kg | 0 | £0 |
| 14 | Clinithink | 0% (0/35) | 0 | 0 miles | 0kg | 0 | £0 |
| 14 | Crownbridge School | 0% (0/90) | 0 | 0 miles | 0kg | 0 | £0 |
| 14 | Deloitte | 0% (0/100) | 0 | 0 miles | 0kg | 0 | £0 |
| 14 | Denbigh Stores | 0% (0/24) | 0 | 0 miles | 0kg | 0 | £0 |
| 14 | Keep Wales Tidy Cadwch Gymru'n Daclus | 0% (0/50) | 0 | 0 miles | 0kg | 0 | £0 |