Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialTodd M Law
#354 · 1:16:59 · M58 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialTodd Brockman
#353 · 1:17:49 · M60 · Group N · INV
Wave start 8:14 AM (N-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
Todd (P-INV) started at 8:15 AM; Todd (N-INV) started at 8:14 AM. That gave Todd a 1 minute head start on Todd. On foot, Todd ran 1:16:59 and Todd ran 1:17:49 — Todd was 0:50 faster than Todd. Todd took official place 354th (time-based 553rd) and Todd took official place 353rd (time-based 577th). Todd was faster on foot and finished ahead on the official clock too. Biggest swing: Todd gained 0:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Todd Brockman (N-INV) started 1 min earlier than Todd (P-INV).
- Overall place Δ
- +1
- Actual time Δ
- -0:50
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Todd earlier)
- Finish clock Δ
- +0:10
- Section place Δ
- +16
Δ = Todd − Todd. Negative means Todd is ahead/faster.
Race timeline
Computed- Todd (N-INV) started at 8:14 AM.
- Todd (P-INV) started at 8:15 AM, 1:00 later.
- Actual running time: Todd was 0:50 faster on foot than Todd.
- Finish clock: Todd crossed the line 0:10 ahead of Todd — Todd wins this head-to-head.
Δ (A − B): actual -0:50 · finish clock +0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Todd | Todd | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:32 | 8:36 | +0:56 |
| Stairs to Windy Gap | 7:10 | 7:07 | +0:03 |
| Windy Gap to Muir Woods | 5:55 | 6:09 | -0:14 |
| Muir Woods to Cardiac | 29:41 | 30:21 | -0:40 |
| Cardiac to White Gate | 15:02 | 15:30 | -0:28 |
| White Gate to The Stile | 7:32 | 8:01 | -0:29 |
| The Stile to Finish | 2:07 | 2:05 | +0:02 |
Δ negative = Todd ran the segment faster.