Outdoor 200m Lane Effect
t′ = t + 0.018 × (current − target)
(0.018s advantage per lane outside — a lane 7 mark converts slower when moved to lane 4)Converted Time
19.79 s
Lane 5 → Lane 5 · 0.018s per laneSame Mark by Lane
| Target lane | Converted time |
| Lane 1 | 19.86 s |
| Lane 2 | 19.84 s |
| Lane 3 | 19.83 s |
| Lane 4 | 19.81 s |
| Lane 5 (raced) | 19.79 s |
| Lane 6 | 19.77 s |
| Lane 7 | 19.75 s |
| Lane 8 | 19.74 s |
| Lane 9 | 19.72 s |
The 0.018s-per-lane figure is an empirical average for outdoor 200m curves. Individual response to curve tightness varies, and no governing body adjusts official marks for lane draw.