Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJeffrey A Stern
#19 · 53:25 · M39 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialBradford C Bryon
#16 · 1:08:58 · M68 · 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
Jeffrey (Y-INV) started at 8:23 AM; Bradford (F-INV) started at 8:07 AM. That gave Bradford a 16 minutes head start on Jeffrey. On foot, Jeffrey ran 53:25 and Bradford ran 1:08:58 — Jeffrey was 15:33 faster than Bradford. Jeffrey took official place 19th (time-based 10th) and Bradford took official place 16th (time-based 289th). Bradford's head start was enough to flip the official order even though Jeffrey was faster on foot. Biggest swing: Jeffrey gained 6:07 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Bradford C Bryon (F-INV) started 16 min earlier than Jeffrey (Y-INV).
- Overall place Δ
- +3
- Actual time Δ
- -15:33
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 16 min (Bradford earlier)
- Finish clock Δ
- +0:27
- Section place Δ
- +1
Δ = Jeffrey − Bradford. Negative means Jeffrey is ahead/faster.
Race timeline
Computed- Bradford (F-INV) started at 8:07 AM.
- Jeffrey (Y-INV) started at 8:23 AM, 16:00 later.
- Actual running time: Jeffrey was 15:33 faster on foot than Bradford.
- Finish clock: Bradford crossed the line 0:27 ahead of Jeffrey — Bradford wins this head-to-head.
Δ (A − B): actual -15:33 · finish clock +0:27.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jeffrey | Bradford | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:15 | 7:59 | -1:44 |
| Stairs to Windy Gap | 4:48 | 6:22 | -1:34 |
| Windy Gap to Muir Woods | 4:45 | 5:58 | -1:13 |
| Muir Woods to Cardiac | 19:44 | 25:51 | -6:07 |
| Cardiac to White Gate | 10:43 | 13:59 | -3:16 |
| White Gate to The Stile | 5:35 | 6:48 | -1:13 |
| The Stile to Finish | 1:35 | 2:01 | -0:26 |
Δ negative = Jeffrey ran the segment faster.