| Team | Number |
| No Drama Llama Runners | 111 |
| Team Tees | 96 |
| Galloping Ganglion | 73 |
| Perkins | 51 |
| Anglia Ruskin University | 44 |
| Delta Simons | 42 |
| Team TTP | 40 |
| Royal Society of Chemistry Runners | 34 |
| Team CSM | 29 |
| Histon Hobblers | 29 |
| bit.bio | 29 |
| Astex Runners | 28 |
| BAC STEPPERS | 27 |
| #Power2InspireUK | 27 |
| Globe Trotters | 27 |
| DSRA | 27 |
| OSB Crew | 26 |
| St John's College | 25 |
| King's Ely | 23 |
| Vets4Pets Cambridge | 23 |
| HI Runners | 23 |
| Team Granta | 20 |
| City of Cambridge Rowing Club | 20 |
| The Aston Forwards | 20 |
| Steeple Chasers Running & Cycling Club | 18 |
| Kier Construction Eastern | 17 |
| Costello Medical | 17 |
| Owlstone Medical | 17 |
| CAMBRIDGE HALF MARATHON VOLUNTEERS | 14 |
| Jesus College | 14 |
| I get locked down but I get up again | 14 |
| Let's Run Girls | 13 |
| Blood Sweat and Beers | 13 |
| St Mary's School | 13 |
| South Cambridgeshire District Council | 13 |
| PwC Cambridge | 12 |
| Run-VNC | 12 |
| Germains Joggers | 12 |
| Melbourn Village College | 12 |
| PROGRESS NOT PERFECTION | 11 |
| Meet Cambridge & Friends | 11 |
| Magdalene MCR | 10 |
| Team GB | 10 |
| KES team | 10 |
| Run in with the law | 10 |
| Bridge Partners & Bridge Fibre | 10 |
| Cambridge Parnells GAA & CUARFC | 9 |
| Arm Wellbeing | 9 |
| Intrasonics | 9 |
| Granite Coast Ltd | 9 |
| Irwin Mitchell | 9 |
| Running our way through Lockdown 3.0! | 8 |
| Ashcroft | 8 |
| Westfield Warriors | 8 |
| KISS Communications | 8 |
| Scrambled Legs | 7 |
| The Scorchio's | 7 |
| Riverside Runners St Neots | 7 |
| Key Runners | 7 |
| We are family | 6 |
| The Runner Beans | 5 |
| The Pudding Club | 5 |
| KWS runners | 5 |
| Ramboll Rockets | 5 |
| Team DAW | 5 |
| SDRC | 5 |
| Allia Community | 5 |
| Sunday League Running | 5 |
| GIS Runners | 5 |
| Cambridge China Centre | 5 |
| Fat Ass Running Club | 4 |
| Sunday Guys | 4 |
| Half arsed | 4 |
| Running from home | 4 |
| Who Runs The World | 4 |
| Runner Beans | 3 |
| Spring Unlocked | 3 |
| King's College Cambridge | 3 |
| London runners | 3 |
| Claire Charlotte Joanna & Elmo run for Mind | 3 |
| You're on Mute | 3 |
| St Andrew's | 3 |
| MD Travel | 2 |
| Mumsloverunning | 2 |
| Team Webb | 2 |
| The Number 8 | 2 |
| The Calculating Badger | 2 |
| Team Fenny | 2 |
| Team Fanny | 2 |
| NetworkMods | 2 |
| @shedandlathe | 1 |
| Saint Edmund Pacers | 1 |
| Highways England | 1 |
| muddy trainers | 1 |
| The running wozzles | 1 |
| We'll Honestly Win | 1 |
| Sembo | 1 |
| Yardley Hastings Runners | 1 |
| National Treasures | 1 |
| University of Cambridge | 1 |
| The Long Way Round | 1 |
| Kate | 1 |
| Salvage | 1 |
| Connect Health | 1 |
| RobK | 1 |
| CC Cam | 1 |
| Rusty Rivers Runs Again | 1 |
