Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialTatem W Read
#243 · 1:15:44 · F47 · Group M · INV
Wave start 8:13 AM (M-INV)
Athlete B
OfficialAlex Slack
#244 · 1:06:46 · M42 · Group X · INV
Wave start 8:22 AM (X-INV)
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
Tatem (M-INV) started at 8:13 AM; Alex (X-INV) started at 8:22 AM. That gave Tatem a 9 minutes head start on Alex. On foot, Tatem ran 1:15:44 and Alex ran 1:06:46 — Alex was 8:58 faster than Tatem. Tatem took official place 243rd (time-based 514th) and Alex took official place 244th (time-based 223rd). Tatem's head start was enough to flip the official order even though Alex was faster on foot. Biggest swing: Alex gained 2:46 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Tatem W Read (M-INV) started 9 min earlier than Alex (X-INV).
- Overall place Δ
- -1
- Actual time Δ
- +8:58
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Tatem earlier)
- Finish clock Δ
- -0:02
- Section place Δ
- -3
Δ = Tatem − Alex. Negative means Tatem is ahead/faster.
Race timeline
Computed- Tatem (M-INV) started at 8:13 AM.
- Alex (X-INV) started at 8:22 AM, 9:00 later.
- Actual running time: Alex was 8:58 faster on foot than Tatem.
- Finish clock: Tatem crossed the line 0:02 ahead of Alex — Tatem wins this head-to-head.
Δ (A − B): actual +8:58 · finish clock -0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Tatem | Alex | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:20 | 8:05 | +1:15 |
| Stairs to Windy Gap | 6:36 | 5:48 | +0:48 |
| Windy Gap to Muir Woods | 6:31 | 5:29 | +1:02 |
| Muir Woods to Cardiac | 27:36 | 24:50 | +2:46 |
| Cardiac to White Gate | 15:51 | 14:12 | +1:39 |
| White Gate to The Stile | 7:37 | 6:37 | +1:00 |
| The Stile to Finish | 2:13 | 1:45 | +0:28 |
Δ negative = Tatem ran the segment faster.