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
OfficialJeffrey M Thomas
#310 · 1:07:52 · M35 · 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
Caroline (Q-INV) started at 8:16 AM; Jeffrey (Y-INV) started at 8:23 AM. That gave Caroline a 7 minutes head start on Jeffrey. On foot, Caroline ran 1:14:50 and Jeffrey ran 1:07:52 — Jeffrey was 6:58 faster than Caroline. Caroline took official place 309th (time-based 475th) and Jeffrey took official place 310th (time-based 258th). Caroline's head start was enough to flip the official order even though Jeffrey was faster on foot. Biggest swing: Jeffrey gained 3:11 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Caroline L Brockman (Q-INV) started 7 min earlier than Jeffrey (Y-INV).
- Overall place Δ
- -1
- Actual time Δ
- +6:58
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Caroline earlier)
- Finish clock Δ
- -0:02
- Section place Δ
- -21
Δ = Caroline − Jeffrey. Negative means Caroline is ahead/faster.
Race timeline
Computed- Caroline (Q-INV) started at 8:16 AM.
- Jeffrey (Y-INV) started at 8:23 AM, 7:00 later.
- Actual running time: Jeffrey was 6:58 faster on foot than Caroline.
- Finish clock: Caroline crossed the line 0:02 ahead of Jeffrey — Caroline wins this head-to-head.
Δ (A − B): actual +6:58 · finish clock -0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Caroline | Jeffrey | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:38 | 8:02 | +0:36 |
| Stairs to Windy Gap | 6:48 | 5:54 | +0:54 |
| Windy Gap to Muir Woods | 5:41 | 4:55 | +0:46 |
| Muir Woods to Cardiac | 30:08 | 26:57 | +3:11 |
| Cardiac to White Gate | 14:09 | 13:18 | +0:51 |
| White Gate to The Stile | 7:20 | 6:52 | +0:28 |
| The Stile to Finish | 2:06 | 1:54 | +0:12 |
Δ negative = Caroline ran the segment faster.