Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialKelby B Buckley
#122 · 58:53 · M23 · Group SCR · INV
Wave start 8:25 AM (SCR-INV)
Athlete B
OfficialMichael P Grady
#120 · 1:01:45 · M43 · Group X · INV
Wave start 8:22 AM (X-INV)
Comparison report
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The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Kelby (SCR-INV) started at 8:25 AM; Michael (X-INV) started at 8:22 AM. That gave Michael a 3 minutes head start on Kelby. On foot, Kelby ran 58:53 and Michael ran 1:01:45 — Kelby was 2:52 faster than Michael. Kelby took official place 122nd (time-based 53rd) and Michael took official place 120th (time-based 103rd). Michael's head start was enough to flip the official order even though Kelby was faster on foot. Biggest swing: Kelby gained 1:05 from Cardiac to White Gate.
Deltas
ComputedWave start
Michael P Grady (X-INV) started 3 min earlier than Kelby (SCR-INV).
- Overall place Δ
- +2
- Actual time Δ
- -2:52
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Michael earlier)
- Finish clock Δ
- +0:08
- Section place Δ
- +2
Δ = Kelby − Michael. Negative means Kelby is ahead/faster.
Race timeline
Computed- Michael (X-INV) started at 8:22 AM.
- Kelby (SCR-INV) started at 8:25 AM, 3:00 later.
- Actual running time: Kelby was 2:52 faster on foot than Michael.
- Finish clock: Michael crossed the line 0:08 ahead of Kelby — Michael wins this head-to-head.
Δ (A − B): actual -2:52 · finish clock +0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Kelby | Michael | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:38 | 6:58 | -0:20 |
| Stairs to Windy Gap | 5:30 | 5:31 | -0:01 |
| Windy Gap to Muir Woods | 4:43 | 5:13 | -0:30 |
| Muir Woods to Cardiac | 22:53 | 23:02 | -0:09 |
| Cardiac to White Gate | 11:39 | 12:44 | -1:05 |
| White Gate to The Stile | 5:57 | 6:26 | -0:29 |
| The Stile to Finish | 1:33 | 1:51 | -0:18 |
Δ negative = Kelby ran the segment faster.