Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialEric Samuel Edelson
#573 · 1:05:45 · M47 · Group W · DR
Wave start 8:48 AM (W-DR)
Athlete B
OfficialPeter J Reichard
#574 · 1:27:07 · M76 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
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
Eric (W-DR) started at 8:48 AM; Peter (AAA-DR) started at 8:27 AM. That gave Peter a 21 minutes head start on Eric. On foot, Eric ran 1:05:45 and Peter ran 1:27:07 — Eric was 21:22 faster than Peter. Eric took official place 573rd (time-based 204th) and Peter took official place 574th (time-based 832nd). Eric was faster on foot and finished ahead on the official clock too. Biggest swing: Eric gained 7:47 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Peter J Reichard (AAA-DR) started 21 min earlier than Eric (W-DR).
- Overall place Δ
- -1
- Actual time Δ
- -21:22
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 21 min (Peter earlier)
- Finish clock Δ
- -0:22
- Section place Δ
- +4
Δ = Eric − Peter. Negative means Eric is ahead/faster.
Race timeline
Computed- Peter (AAA-DR) started at 8:27 AM.
- Eric (W-DR) started at 8:48 AM, 21:00 later.
- Actual running time: Eric was 21:22 faster on foot than Peter.
- Finish clock: Eric crossed the line 0:22 ahead of Peter — Eric wins this head-to-head.
Δ (A − B): actual -21:22 · finish clock -0:22.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Eric | Peter | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:03 | 10:10 | -2:07 |
| Stairs to Windy Gap | 5:28 | 8:10 | -2:42 |
| Windy Gap to Muir Woods | 6:11 | 7:25 | -1:14 |
| Muir Woods to Cardiac | 24:49 | 32:36 | -7:47 |
| Cardiac to White Gate | 12:55 | 17:50 | -4:55 |
| White Gate to The Stile | 6:23 | 8:21 | -1:58 |
| The Stile to Finish | 1:56 | 2:35 | -0:39 |
Δ negative = Eric ran the segment faster.