Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSandra M Holbrook James
#311 · 1:23:53 · F58 · Group F · INV
Wave start 8:07 AM (F-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
Sandra (F-INV) started at 8:07 AM; Jeffrey (Y-INV) started at 8:23 AM. That gave Sandra a 16 minutes head start on Jeffrey. On foot, Sandra ran 1:23:53 and Jeffrey ran 1:07:52 — Jeffrey was 16:01 faster than Sandra. Sandra took official place 311th (time-based 763rd) and Jeffrey took official place 310th (time-based 258th). Jeffrey was faster on foot and finished ahead on the official clock too. Biggest swing: Jeffrey gained 4:36 from Cardiac to White Gate.
Deltas
ComputedWave start
Sandra M Holbrook James (F-INV) started 16 min earlier than Jeffrey (Y-INV).
- Overall place Δ
- +1
- Actual time Δ
- +16:01
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 16 min (Sandra earlier)
- Finish clock Δ
- +0:01
- Section place Δ
- -55
Δ = Sandra − Jeffrey. Negative means Sandra is ahead/faster.
Race timeline
Computed- Sandra (F-INV) started at 8:07 AM.
- Jeffrey (Y-INV) started at 8:23 AM, 16:00 later.
- Actual running time: Jeffrey was 16:01 faster on foot than Sandra.
- Finish clock: Jeffrey crossed the line 0:01 ahead of Sandra — Jeffrey wins this head-to-head.
Δ (A − B): actual +16:01 · finish clock +0:01.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Sandra | Jeffrey | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:04 | 8:02 | +2:02 |
| Stairs to Windy Gap | 7:16 | 5:54 | +1:22 |
| Windy Gap to Muir Woods | 7:35 | 4:55 | +2:40 |
| Muir Woods to Cardiac | 29:58 | 26:57 | +3:01 |
| Cardiac to White Gate | 17:54 | 13:18 | +4:36 |
| White Gate to The Stile | 8:40 | 6:52 | +1:48 |
| The Stile to Finish | 2:26 | 1:54 | +0:32 |
Δ negative = Sandra ran the segment faster.