These athletes raced at different events. Track layouts may differ, so split-by-split comparisons should be taken with a grain of salt.
Side-by-side percentile ranking within each athlete's division
Top-level times compared side by side (positive = first athlete is slower)
Time difference per split (positive = 茜 徐, 晟源 徐 is slower)
Unlock your potential with our pace calculator tool.
Pace Calculator →