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J O'Byrne
Croydon Harriers
#64272
#38878 men
Overall rank
-5.82
Rating
6
Races rated
6
Results
#52032
#32204 men
Cross-country rank
Form over time
Season-by-season ability from the time-varying model. Higher is stronger.
Race history
| Date | Race | Club | Time | Place |
|---|---|---|---|---|
| 1978 | ||||
| 1978-03-04 | English National Cross Country Championships — Senior Men | Croydon Harriers | — | 676 |
| 1975 | ||||
| 1975-03-01 | English National Cross Country Championships — Senior Men | Croydon Harriers | — | 479 |
| 1974 | ||||
| 1974-03-02 | English National Cross Country Championships — Senior Men | Croydon Harriers | — | 515 |
| 1973 | ||||
| 1973-03-03 | English National Cross Country Championships — Junior Men | Croydon Harriers | — | 165 |
| 1972 | ||||
| 1972-03-04 | English National Cross Country Championships — Junior Men | Croydon Harriers | — | 156 |
| 1971 | ||||
| 1971-03-06 | English National Cross Country Championships — Youths | Croydon Harriers | — | 132 |
Ratings are head-to-head (Bradley–Terry) over finishing places across cross-country, track and road. Times are ranked nationally per event. Identity is resolved across clubs and disciplines; results shown are those collected so far.