Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialHarold (Hal) D Cranston
#1373 · 2:37:48 · M78 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Athlete B
OfficialDavid W Erskine
#1375 · 2:38:57 · 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
Harold (Hal) (AAA-DR) started at 8:27 AM; David (AAA-DR) started at 8:27 AM. Both left the line at the same moment. On foot, Harold (Hal) ran 2:37:48 and David ran 2:38:57 — Harold (Hal) was 1:09 faster than David. Harold (Hal) took official place 1373rd (time-based 1374th) and David took official place 1375th (time-based 1376th). 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 = Harold (Hal) − David. Negative means Harold (Hal) is ahead/faster.
Race timeline
Computed- Harold (Hal) (AAA-DR) started at 8:27 AM.
- David (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 | Harold (Hal) | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 17:21 | 16:20 | +1:01 |
| Stairs to Windy Gap | 12:17 | 12:34 | -0:17 |
| Windy Gap to Muir Woods | 13:51 | 16:01 | -2:10 |
| Muir Woods to Cardiac | 55:09 | 49:58 | +5:11 |
| Cardiac to White Gate | 35:57 | 38:03 | -2:06 |
| White Gate to The Stile | 18:21 | 20:27 | -2:06 |
| The Stile to Finish | 4:52 | 5:34 | -0:42 |
Δ negative = Harold (Hal) ran the segment faster.