Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialCaroline L Brockman
#309 · 1:14:50 · F27 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialSandra M Holbrook James
#311 · 1:23:53 · F58 · Group F · INV
Wave start 8:07 AM (F-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
Caroline (Q-INV) started at 8:16 AM; Sandra (F-INV) started at 8:07 AM. That gave Sandra a 9 minutes head start on Caroline. On foot, Caroline ran 1:14:50 and Sandra ran 1:23:53 — Caroline was 9:03 faster than Sandra. Caroline took official place 309th (time-based 475th) and Sandra took official place 311th (time-based 763rd). Caroline was faster on foot and finished ahead on the official clock too. Biggest swing: Caroline gained 3:45 from Cardiac to White Gate.
Deltas
ComputedWave start
Sandra M Holbrook James (F-INV) started 9 min earlier than Caroline (Q-INV).
- Overall place Δ
- -2
- Actual time Δ
- -9:03
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Sandra earlier)
- Finish clock Δ
- -0:03
- Section place Δ
- +34
Δ = Caroline − Sandra. Negative means Caroline is ahead/faster.
Race timeline
Computed- Sandra (F-INV) started at 8:07 AM.
- Caroline (Q-INV) started at 8:16 AM, 9:00 later.
- Actual running time: Caroline was 9:03 faster on foot than Sandra.
- Finish clock: Caroline crossed the line 0:03 ahead of Sandra — Caroline wins this head-to-head.
Δ (A − B): actual -9:03 · finish clock -0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Caroline | Sandra | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:38 | 10:04 | -1:26 |
| Stairs to Windy Gap | 6:48 | 7:16 | -0:28 |
| Windy Gap to Muir Woods | 5:41 | 7:35 | -1:54 |
| Muir Woods to Cardiac | 30:08 | 29:58 | +0:10 |
| Cardiac to White Gate | 14:09 | 17:54 | -3:45 |
| White Gate to The Stile | 7:20 | 8:40 | -1:20 |
| The Stile to Finish | 2:06 | 2:26 | -0:20 |
Δ negative = Caroline ran the segment faster.