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
OfficialJonathan M Bretan
#173 · 1:03:36 · M43 · 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
Mary Etta (B-INV) started at 8:03 AM; Jonathan (X-INV) started at 8:22 AM. That gave Mary Etta a 19 minutes head start on Jonathan. On foot, Mary Etta ran 1:22:41 and Jonathan ran 1:03:36 — Jonathan was 19:05 faster than Mary Etta. Mary Etta took official place 175th (time-based 725th) and Jonathan took official place 173rd (time-based 146th). Jonathan was faster on foot and finished ahead on the official clock too. Biggest swing: Jonathan gained 6:41 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Mary Etta Boitano Blanchard (B-INV) started 19 min earlier than Jonathan (X-INV).
- Overall place Δ
- +2
- Actual time Δ
- +19:05
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 19 min (Mary Etta earlier)
- Finish clock Δ
- +0:05
- Section place Δ
- -9
Δ = Mary Etta − Jonathan. Negative means Mary Etta is ahead/faster.
Race timeline
Computed- Mary Etta (B-INV) started at 8:03 AM.
- Jonathan (X-INV) started at 8:22 AM, 19:00 later.
- Actual running time: Jonathan was 19:05 faster on foot than Mary Etta.
- Finish clock: Jonathan crossed the line 0:05 ahead of Mary Etta — Jonathan wins this head-to-head.
Δ (A − B): actual +19:05 · finish clock +0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mary Etta | Jonathan | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:19 | 7:05 | +3:14 |
| Stairs to Windy Gap | 7:22 | 5:46 | +1:36 |
| Windy Gap to Muir Woods | 6:58 | 5:01 | +1:57 |
| Muir Woods to Cardiac | 30:54 | 24:13 | +6:41 |
| Cardiac to White Gate | 16:30 | 12:59 | +3:31 |
| White Gate to The Stile | 8:03 | 6:30 | +1:33 |
| The Stile to Finish | 2:35 | 2:02 | +0:33 |
Δ negative = Mary Etta ran the segment faster.