Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSarah Coyne
#251 · 1:12:55 · F35 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialAndrew H Shields
#246 · 1:04:50 · M32 · Group Z · INV
Wave start 8:24 AM (Z-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
Sarah (Q-INV) started at 8:16 AM; Andrew (Z-INV) started at 8:24 AM. That gave Sarah a 8 minutes head start on Andrew. On foot, Sarah ran 1:12:55 and Andrew ran 1:04:50 — Andrew was 8:05 faster than Sarah. Sarah took official place 251st (time-based 423rd) and Andrew took official place 246th (time-based 177th). Andrew was faster on foot and finished ahead on the official clock too. Biggest swing: Andrew gained 3:23 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Sarah Coyne (Q-INV) started 8 min earlier than Andrew (Z-INV).
- Overall place Δ
- +5
- Actual time Δ
- +8:05
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Sarah earlier)
- Finish clock Δ
- +0:05
- Section place Δ
- +4
Δ = Sarah − Andrew. Negative means Sarah is ahead/faster.
Race timeline
Computed- Sarah (Q-INV) started at 8:16 AM.
- Andrew (Z-INV) started at 8:24 AM, 8:00 later.
- Actual running time: Andrew was 8:05 faster on foot than Sarah.
- Finish clock: Andrew crossed the line 0:05 ahead of Sarah — Andrew wins this head-to-head.
Δ (A − B): actual +8:05 · finish clock +0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Sarah | Andrew | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:27 | 7:38 | +0:49 |
| Stairs to Windy Gap | 6:09 | 5:22 | +0:47 |
| Windy Gap to Muir Woods | 6:07 | 5:11 | +0:56 |
| Muir Woods to Cardiac | 28:22 | 24:59 | +3:23 |
| Cardiac to White Gate | 15:01 | 13:10 | +1:51 |
| White Gate to The Stile | 6:57 | 6:36 | +0:21 |
| The Stile to Finish | 1:52 | 1:54 | -0:02 |
Δ negative = Sarah ran the segment faster.