Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialRussell J Mackie
#605 · 1:12:32 · M55 · Group T · DR
Wave start 8:45 AM (T-DR)
Athlete B
OfficialSonya Jampel
#607 · 1:14:56 · F29 · Group Q · DR
Wave start 8:43 AM (Q-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
Russell (T-DR) started at 8:45 AM; Sonya (Q-DR) started at 8:43 AM. That gave Sonya a 2 minutes head start on Russell. On foot, Russell ran 1:12:32 and Sonya ran 1:14:56 — Russell was 2:24 faster than Sonya. Russell took official place 605th (time-based 409th) and Sonya took official place 607th (time-based 480th). Russell was faster on foot and finished ahead on the official clock too. Biggest swing: Russell gained 1:36 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Sonya Jampel (Q-DR) started 2 min earlier than Russell (T-DR).
- Overall place Δ
- -2
- Actual time Δ
- -2:24
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Sonya earlier)
- Finish clock Δ
- -0:24
- Section place Δ
- -9
Δ = Russell − Sonya. Negative means Russell is ahead/faster.
Race timeline
Computed- Sonya (Q-DR) started at 8:43 AM.
- Russell (T-DR) started at 8:45 AM, 2:00 later.
- Actual running time: Russell was 2:24 faster on foot than Sonya.
- Finish clock: Russell crossed the line 0:24 ahead of Sonya — Russell wins this head-to-head.
Δ (A − B): actual -2:24 · finish clock -0:24.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Russell | Sonya | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:53 | 8:53 | ±0:00 |
| Stairs to Windy Gap | 6:08 | 6:21 | -0:13 |
| Windy Gap to Muir Woods | 6:27 | 6:16 | +0:11 |
| Muir Woods to Cardiac | 26:48 | 28:24 | -1:36 |
| Cardiac to White Gate | 14:44 | 15:33 | -0:49 |
| White Gate to The Stile | 7:22 | 7:23 | -0:01 |
| The Stile to Finish | 2:10 | 2:06 | +0:04 |
Δ negative = Russell ran the segment faster.