Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialParker B Readerman
#151 · 1:01:00 · M26 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Athlete B
OfficialRob Mitchell-Crossley
#147 · 1:01:50 · M39 · Group Y · INV
Wave start 8:23 AM (Y-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
Parker (Z-INV) started at 8:24 AM; Rob (Y-INV) started at 8:23 AM. That gave Rob a 1 minute head start on Parker. On foot, Parker ran 1:01:00 and Rob ran 1:01:50 — Parker was 0:50 faster than Rob. Parker took official place 151st (time-based 80th) and Rob took official place 147th (time-based 104th). Rob's head start was enough to flip the official order even though Parker was faster on foot. Biggest swing: Rob gained 1:39 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Rob Mitchell-Crossley (Y-INV) started 1 min earlier than Parker (Z-INV).
- Overall place Δ
- +4
- Actual time Δ
- -0:50
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Rob earlier)
- Finish clock Δ
- +0:10
- Section place Δ
- -10
Δ = Parker − Rob. Negative means Parker is ahead/faster.
Race timeline
Computed- Rob (Y-INV) started at 8:23 AM.
- Parker (Z-INV) started at 8:24 AM, 1:00 later.
- Actual running time: Parker was 0:50 faster on foot than Rob.
- Finish clock: Rob crossed the line 0:10 ahead of Parker — Rob wins this head-to-head.
Δ (A − B): actual -0:50 · finish clock +0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Parker | Rob | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:47 | 7:14 | -0:27 |
| Stairs to Windy Gap | 5:09 | 5:27 | -0:18 |
| Windy Gap to Muir Woods | 4:41 | 5:10 | -0:29 |
| Muir Woods to Cardiac | 25:03 | 23:24 | +1:39 |
| Cardiac to White Gate | 11:56 | 12:31 | -0:35 |
| White Gate to The Stile | 5:51 | 6:20 | -0:29 |
| The Stile to Finish | 1:33 | 1:44 | -0:11 |
Δ negative = Parker ran the segment faster.