Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMary Etta Boitano Blanchard
#175 · 1:22:41 · F63 · Group B · INV
Wave start 8:03 AM (B-INV)
Athlete B
OfficialRoy A Rivers
#170 · 1:19:28 · M69 · Group E · INV
Wave start 8:06 AM (E-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
Mary Etta (B-INV) started at 8:03 AM; Roy (E-INV) started at 8:06 AM. That gave Mary Etta a 3 minutes head start on Roy. On foot, Mary Etta ran 1:22:41 and Roy ran 1:19:28 — Roy was 3:13 faster than Mary Etta. Mary Etta took official place 175th (time-based 725th) and Roy took official place 170th (time-based 631st). Roy was faster on foot and finished ahead on the official clock too. Biggest swing: Roy gained 1:50 from Cardiac to White Gate.
Deltas
ComputedWave start
Mary Etta Boitano Blanchard (B-INV) started 3 min earlier than Roy (E-INV).
- Overall place Δ
- +5
- Actual time Δ
- +3:13
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Mary Etta earlier)
- Finish clock Δ
- +0:13
- Section place Δ
- 0
Δ = Mary Etta − Roy. Negative means Mary Etta is ahead/faster.
Race timeline
Computed- Mary Etta (B-INV) started at 8:03 AM.
- Roy (E-INV) started at 8:06 AM, 3:00 later.
- Actual running time: Roy was 3:13 faster on foot than Mary Etta.
- Finish clock: Roy crossed the line 0:13 ahead of Mary Etta — Roy wins this head-to-head.
Δ (A − B): actual +3:13 · finish clock +0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mary Etta | Roy | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:19 | 10:07 | +0:12 |
| Stairs to Windy Gap | 7:22 | 7:28 | -0:06 |
| Windy Gap to Muir Woods | 6:58 | 6:08 | +0:50 |
| Muir Woods to Cardiac | 30:54 | 31:45 | -0:51 |
| Cardiac to White Gate | 16:30 | 14:40 | +1:50 |
| White Gate to The Stile | 8:03 | 7:06 | +0:57 |
| The Stile to Finish | 2:35 | 2:14 | +0:21 |
Δ negative = Mary Etta ran the segment faster.