Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialPeter K Macy
#379 · 1:13:35 · M53 · Group U · INV
Wave start 8:19 AM (U-INV)
Athlete B
OfficialDonald C Taylor
#381 · 1:12:43 · M48 · Group V · INV
Wave start 8:20 AM (V-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
Peter (U-INV) started at 8:19 AM; Donald (V-INV) started at 8:20 AM. That gave Peter a 1 minute head start on Donald. On foot, Peter ran 1:13:35 and Donald ran 1:12:43 — Donald was 0:52 faster than Peter. Peter took official place 379th (time-based 438th) and Donald took official place 381st (time-based 412th). Peter's head start was enough to flip the official order even though Donald was faster on foot. Biggest swing: Peter gained 1:11 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Peter K Macy (U-INV) started 1 min earlier than Donald (V-INV).
- Overall place Δ
- -2
- Actual time Δ
- +0:52
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Peter earlier)
- Finish clock Δ
- -0:08
- Section place Δ
- +2
Δ = Peter − Donald. Negative means Peter is ahead/faster.
Race timeline
Computed- Peter (U-INV) started at 8:19 AM.
- Donald (V-INV) started at 8:20 AM, 1:00 later.
- Actual running time: Donald was 0:52 faster on foot than Peter.
- Finish clock: Peter crossed the line 0:08 ahead of Donald — Peter wins this head-to-head.
Δ (A − B): actual +0:52 · finish clock -0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Peter | Donald | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:18 | 8:32 | -0:14 |
| Stairs to Windy Gap | 6:56 | 6:38 | +0:18 |
| Windy Gap to Muir Woods | 6:32 | 5:41 | +0:51 |
| Muir Woods to Cardiac | 27:50 | 29:01 | -1:11 |
| Cardiac to White Gate | 14:35 | 13:43 | +0:52 |
| White Gate to The Stile | 7:17 | 7:08 | +0:09 |
| The Stile to Finish | 2:07 | 2:00 | +0:07 |
Δ negative = Peter ran the segment faster.