Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDavid W Wood
#178 · 1:10:54 · M58 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialJonathan M Bretan
#173 · 1:03:36 · M43 · Group X · INV
Wave start 8:22 AM (X-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
David (P-INV) started at 8:15 AM; Jonathan (X-INV) started at 8:22 AM. That gave David a 7 minutes head start on Jonathan. On foot, David ran 1:10:54 and Jonathan ran 1:03:36 — Jonathan was 7:18 faster than David. David took official place 178th (time-based 352nd) and Jonathan took official place 173rd (time-based 146th). Jonathan was faster on foot and finished ahead on the official clock too. Biggest swing: Jonathan gained 4:31 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David W Wood (P-INV) started 7 min earlier than Jonathan (X-INV).
- Overall place Δ
- +5
- Actual time Δ
- +7:18
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (David earlier)
- Finish clock Δ
- +0:18
- Section place Δ
- 0
Δ = David − Jonathan. Negative means David is ahead/faster.
Race timeline
Computed- David (P-INV) started at 8:15 AM.
- Jonathan (X-INV) started at 8:22 AM, 7:00 later.
- Actual running time: Jonathan was 7:18 faster on foot than David.
- Finish clock: Jonathan crossed the line 0:18 ahead of David — Jonathan wins this head-to-head.
Δ (A − B): actual +7:18 · finish clock +0:18.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | Jonathan | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:58 | 7:05 | +0:53 |
| Stairs to Windy Gap | 6:21 | 5:46 | +0:35 |
| Windy Gap to Muir Woods | 5:21 | 5:01 | +0:20 |
| Muir Woods to Cardiac | 28:44 | 24:13 | +4:31 |
| Cardiac to White Gate | 13:40 | 12:59 | +0:41 |
| White Gate to The Stile | 6:48 | 6:30 | +0:18 |
| The Stile to Finish | 2:02 | 2:02 | ±0:00 |
Δ negative = David ran the segment faster.