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
OfficialFlynn R Dreilinger
#569 · 1:01:13 · M25 · Group SCR · DR
Wave start 8:52 AM (SCR-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; Flynn (SCR-DR) started at 8:52 AM. That gave Eric a 4 minutes head start on Flynn. On foot, Eric ran 1:05:45 and Flynn ran 1:01:13 — Flynn was 4:32 faster than Eric. Eric took official place 573rd (time-based 204th) and Flynn took official place 569th (time-based 89th). Flynn was faster on foot and finished ahead on the official clock too. Biggest swing: Flynn gained 1:13 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Eric Samuel Edelson (W-DR) started 4 min earlier than Flynn (SCR-DR).
- Overall place Δ
- +4
- Actual time Δ
- +4:32
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Eric earlier)
- Finish clock Δ
- +0:32
- Section place Δ
- +3
Δ = Eric − Flynn. Negative means Eric is ahead/faster.
Race timeline
Computed- Eric (W-DR) started at 8:48 AM.
- Flynn (SCR-DR) started at 8:52 AM, 4:00 later.
- Actual running time: Flynn was 4:32 faster on foot than Eric.
- Finish clock: Flynn crossed the line 0:32 ahead of Eric — Flynn wins this head-to-head.
Δ (A − B): actual +4:32 · finish clock +0:32.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Eric | Flynn | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:03 | 6:57 | +1:06 |
| Stairs to Windy Gap | 5:28 | 5:27 | +0:01 |
| Windy Gap to Muir Woods | 6:11 | 5:13 | +0:58 |
| Muir Woods to Cardiac | 24:49 | 23:36 | +1:13 |
| Cardiac to White Gate | 12:55 | 12:16 | +0:39 |
| White Gate to The Stile | 6:23 | 6:02 | +0:21 |
| The Stile to Finish | 1:56 | 1:42 | +0:14 |
Δ negative = Eric ran the segment faster.