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
OfficialCole A Sandrich
#248 · 1:05:54 · M17 · Group Y · INV
Wave start 8:23 AM (Y-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; Cole (Y-INV) started at 8:23 AM. That gave Tatem a 10 minutes head start on Cole. On foot, Tatem ran 1:15:44 and Cole ran 1:05:54 — Cole was 9:50 faster than Tatem. Tatem took official place 243rd (time-based 514th) and Cole took official place 248th (time-based 205th). Tatem's head start was enough to flip the official order even though Cole was faster on foot. Biggest swing: Cole gained 3:09 from Cardiac to White Gate.
Deltas
ComputedWave start
Tatem W Read (M-INV) started 10 min earlier than Cole (Y-INV).
- Overall place Δ
- -5
- Actual time Δ
- +9:50
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Tatem earlier)
- Finish clock Δ
- -0:10
- Section place Δ
- -33
Δ = Tatem − Cole. Negative means Tatem is ahead/faster.
Race timeline
Computed- Tatem (M-INV) started at 8:13 AM.
- Cole (Y-INV) started at 8:23 AM, 10:00 later.
- Actual running time: Cole was 9:50 faster on foot than Tatem.
- Finish clock: Tatem crossed the line 0:10 ahead of Cole — Tatem wins this head-to-head.
Δ (A − B): actual +9:50 · finish clock -0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Tatem | Cole | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:20 | 8:16 | +1:04 |
| Stairs to Windy Gap | 6:36 | 6:01 | +0:35 |
| Windy Gap to Muir Woods | 6:31 | 5:49 | +0:42 |
| Muir Woods to Cardiac | 27:36 | 24:48 | +2:48 |
| Cardiac to White Gate | 15:51 | 12:42 | +3:09 |
| White Gate to The Stile | 7:37 | 6:40 | +0:57 |
| The Stile to Finish | 2:13 | 1:38 | +0:35 |
Δ negative = Tatem ran the segment faster.