Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialNathan T Williams
#17 · 52:22 · M29 · Group Z · INV
Wave start 8:24 AM (Z-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
Nathan (Z-INV) started at 8:24 AM; Bradford (F-INV) started at 8:07 AM. That gave Bradford a 17 minutes head start on Nathan. On foot, Nathan ran 52:22 and Bradford ran 1:08:58 — Nathan was 16:36 faster than Bradford. Nathan took official place 17th (time-based 5th) and Bradford took official place 16th (time-based 289th). Bradford's head start was enough to flip the official order even though Nathan was faster on foot. Biggest swing: Nathan gained 5:58 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Bradford C Bryon (F-INV) started 17 min earlier than Nathan (Z-INV).
- Overall place Δ
- +1
- Actual time Δ
- -16:36
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 17 min (Bradford earlier)
- Finish clock Δ
- +0:24
- Section place Δ
- +1
Δ = Nathan − Bradford. Negative means Nathan is ahead/faster.
Race timeline
Computed- Bradford (F-INV) started at 8:07 AM.
- Nathan (Z-INV) started at 8:24 AM, 17:00 later.
- Actual running time: Nathan was 16:36 faster on foot than Bradford.
- Finish clock: Bradford crossed the line 0:24 ahead of Nathan — Bradford wins this head-to-head.
Δ (A − B): actual -16:36 · finish clock +0:24.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Nathan | Bradford | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:35 | 7:59 | -1:24 |
| Stairs to Windy Gap | 4:36 | 6:22 | -1:46 |
| Windy Gap to Muir Woods | 4:27 | 5:58 | -1:31 |
| Muir Woods to Cardiac | 19:53 | 25:51 | -5:58 |
| Cardiac to White Gate | 10:09 | 13:59 | -3:50 |
| White Gate to The Stile | 5:12 | 6:48 | -1:36 |
| The Stile to Finish | 1:30 | 2:01 | -0:31 |
Δ negative = Nathan ran the segment faster.