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| Measurers | Site
Map 
| Course Name | Redbridge Cycle Circuit 50km |
| Race Name | Twilight Ultra 50km |
| Distance | 50000m |
| Measured By | Hugh Jones, Grade: 1 |
| Measured On | 24 Jul 2015 |
| Race Type | road |
| Terrain | Hilly - 20m drop and climb per lap |
| Surface | smooth asphalt |
| Configuration | loop |
| Section of Road | entire width of road |
| Right Turns | shortest possible route |
| Comments | |
| Grid Ref of Start |
OS GRID REF:
TQ474917 View in Streetmap: 547400191700 |
| File Reference |
Race Director: To renew this certificate for a new race date go to the renewal page.
Race (with web |
County | Organiser (race director) |
Organisation | Certificate Issued on |
Date of race |
| Twilight Ultra 50km | London | Martin Burke | Nice Work | 27 Jul 2016 | 30 Jul 2016 |
| Twilight Ultra 50km | London | MARTIN BURKE | Nice Work | 5 Jun 2017 | 29 Jul 2017 |
| Twilight Ultra 50km | London | Martin Burke | NICE WORK | 16 Mar 2018 | 28 Jul 2018 |
| Twilight Ultra 50km | London | Martin Burke | Nice Work | 23 Mar 2019 | 27 Jul 2019 |
| The Twilight Ultra 50k | London | Liam Burke | Nice Work | 28 Jul 2021 | 31 Jul 2021 |
| The Twilight Ultra 50k | London | Tim Mann | Nice Work | 8 Dec 2021 | 30 Jul 2022 |
A report of this course measurement will have been sent by the measurer to the first race director shortly after the measurement date. This should be consulted to check the exact details of the certified course whenever the course is used . It is suggested that runners and officials requiring these details approach the race director in the first instance. A copy of this report has also been filed by the Course Measurement Secretary, and can be scanned and sent to runners, officials, or race directors on request .
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