Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialRoy A Rivers
#170 · 1:19:28 · M69 · Group E · INV
Wave start 8:06 AM (E-INV)
Athlete B
OfficialKatherine Cronin
#165 · 1:09:20 · F26 · Group Q · INV
Wave start 8:16 AM (Q-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
Roy (E-INV) started at 8:06 AM; Katherine (Q-INV) started at 8:16 AM. That gave Roy a 10 minutes head start on Katherine. On foot, Roy ran 1:19:28 and Katherine ran 1:09:20 — Katherine was 10:08 faster than Roy. Roy took official place 170th (time-based 631st) and Katherine took official place 165th (time-based 302nd). Katherine was faster on foot and finished ahead on the official clock too. Biggest swing: Katherine gained 6:10 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Roy A Rivers (E-INV) started 10 min earlier than Katherine (Q-INV).
- Overall place Δ
- +5
- Actual time Δ
- +10:08
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Roy earlier)
- Finish clock Δ
- +0:08
- Section place Δ
- -25
Δ = Roy − Katherine. Negative means Roy is ahead/faster.
Race timeline
Computed- Roy (E-INV) started at 8:06 AM.
- Katherine (Q-INV) started at 8:16 AM, 10:00 later.
- Actual running time: Katherine was 10:08 faster on foot than Roy.
- Finish clock: Katherine crossed the line 0:08 ahead of Roy — Katherine wins this head-to-head.
Δ (A − B): actual +10:08 · finish clock +0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Roy | Katherine | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:07 | 8:35 | +1:32 |
| Stairs to Windy Gap | 7:28 | 6:03 | +1:25 |
| Windy Gap to Muir Woods | 6:08 | 6:12 | -0:04 |
| Muir Woods to Cardiac | 31:45 | 25:35 | +6:10 |
| Cardiac to White Gate | 14:40 | 14:10 | +0:30 |
| White Gate to The Stile | 7:06 | 6:50 | +0:16 |
| The Stile to Finish | 2:14 | 1:55 | +0:19 |
Δ negative = Roy ran the segment faster.