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
OfficialCaroline H Burns
#603 · 1:14:27 · F31 · 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; Caroline (Q-DR) started at 8:43 AM. That gave Caroline a 2 minutes head start on Russell. On foot, Russell ran 1:12:32 and Caroline ran 1:14:27 — Russell was 1:55 faster than Caroline. Russell took official place 605th (time-based 409th) and Caroline took official place 603rd (time-based 460th). Caroline's head start was enough to flip the official order even though Russell was faster on foot. Biggest swing: Russell gained 1:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Caroline H Burns (Q-DR) started 2 min earlier than Russell (T-DR).
- Overall place Δ
- +2
- Actual time Δ
- -1:55
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Caroline earlier)
- Finish clock Δ
- +0:05
- Section place Δ
- -6
Δ = Russell − Caroline. Negative means Russell is ahead/faster.
Race timeline
Computed- Caroline (Q-DR) started at 8:43 AM.
- Russell (T-DR) started at 8:45 AM, 2:00 later.
- Actual running time: Russell was 1:55 faster on foot than Caroline.
- Finish clock: Caroline crossed the line 0:05 ahead of Russell — Caroline wins this head-to-head.
Δ (A − B): actual -1:55 · finish clock +0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Russell | Caroline | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:53 | 9:28 | -0:35 |
| Stairs to Windy Gap | 6:08 | 6:18 | -0:10 |
| Windy Gap to Muir Woods | 6:27 | 6:17 | +0:10 |
| Muir Woods to Cardiac | 26:48 | 28:28 | -1:40 |
| Cardiac to White Gate | 14:44 | 14:39 | +0:05 |
| White Gate to The Stile | 7:22 | 7:13 | +0:09 |
| The Stile to Finish | 2:10 | 2:04 | +0:06 |
Δ negative = Russell ran the segment faster.