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
OfficialAndrew H Shields
#246 · 1:04:50 · M32 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Comparison report
Download the full report as a PDF, share the file, or send a link to this view.
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; Andrew (Z-INV) started at 8:24 AM. That gave Tatem a 11 minutes head start on Andrew. On foot, Tatem ran 1:15:44 and Andrew ran 1:04:50 — Andrew was 10:54 faster than Tatem. Tatem took official place 243rd (time-based 514th) and Andrew took official place 246th (time-based 177th). Tatem's head start was enough to flip the official order even though Andrew was faster on foot. Biggest swing: Andrew gained 2:41 from Cardiac to White Gate.
Deltas
ComputedWave start
Tatem W Read (M-INV) started 11 min earlier than Andrew (Z-INV).
- Overall place Δ
- -3
- Actual time Δ
- +10:54
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 11 min (Tatem earlier)
- Finish clock Δ
- -0:06
- Section place Δ
- -18
Δ = Tatem − Andrew. Negative means Tatem is ahead/faster.
Race timeline
Computed- Tatem (M-INV) started at 8:13 AM.
- Andrew (Z-INV) started at 8:24 AM, 11:00 later.
- Actual running time: Andrew was 10:54 faster on foot than Tatem.
- Finish clock: Tatem crossed the line 0:06 ahead of Andrew — Tatem wins this head-to-head.
Δ (A − B): actual +10:54 · finish clock -0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Tatem | Andrew | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:20 | 7:38 | +1:42 |
| Stairs to Windy Gap | 6:36 | 5:22 | +1:14 |
| Windy Gap to Muir Woods | 6:31 | 5:11 | +1:20 |
| Muir Woods to Cardiac | 27:36 | 24:59 | +2:37 |
| Cardiac to White Gate | 15:51 | 13:10 | +2:41 |
| White Gate to The Stile | 7:37 | 6:36 | +1:01 |
| The Stile to Finish | 2:13 | 1:54 | +0:19 |
Δ negative = Tatem ran the segment faster.