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 Erskine
#1375 · 2:38:57 · M76 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Athlete B
OfficialHarold (Hal) D Cranston
#1373 · 2:37:48 · M78 · 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
David (AAA-DR) started at 8:27 AM; Harold (Hal) (AAA-DR) started at 8:27 AM. Both left the line at the same moment. On foot, David ran 2:38:57 and Harold (Hal) ran 2:37:48 — Harold (Hal) was 1:09 faster than David. David took official place 1375th (time-based 1376th) and Harold (Hal) took official place 1373rd (time-based 1374th). Harold (Hal) was faster on foot and finished ahead on the official clock too. Biggest swing: David gained 5:11 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Both started in the same wave.
- Overall place Δ
- +2
- Actual time Δ
- +1:09
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- ±0 min
- Finish clock Δ
- +1:09
- Section place Δ
- +2
Δ = David − Harold (Hal). Negative means David is ahead/faster.
Race timeline
Computed- David (AAA-DR) started at 8:27 AM.
- Harold (Hal) (AAA-DR) also started at 8:27 AM.
- Actual running time: Harold (Hal) was 1:09 faster on foot than David.
- Finish clock: Harold (Hal) crossed the line 1:09 ahead of David — Harold (Hal) wins this head-to-head.
Δ (A − B): actual +1:09 · finish clock +1:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | Harold (Hal) | Δ |
|---|---|---|---|
| Start to Top of Stairs | 16:20 | 17:21 | -1:01 |
| Stairs to Windy Gap | 12:34 | 12:17 | +0:17 |
| Windy Gap to Muir Woods | 16:01 | 13:51 | +2:10 |
| Muir Woods to Cardiac | 49:58 | 55:09 | -5:11 |
| Cardiac to White Gate | 38:03 | 35:57 | +2:06 |
| White Gate to The Stile | 20:27 | 18:21 | +2:06 |
| The Stile to Finish | 5:34 | 4:52 | +0:42 |
Δ negative = David ran the segment faster.