Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJonathan M Bretan
#173 · 1:03:36 · M43 · Group X · INV
Wave start 8:22 AM (X-INV)
Athlete B
OfficialMary Etta Boitano Blanchard
#175 · 1:22:41 · F63 · Group B · INV
Wave start 8:03 AM (B-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
Jonathan (X-INV) started at 8:22 AM; Mary Etta (B-INV) started at 8:03 AM. That gave Mary Etta a 19 minutes head start on Jonathan. On foot, Jonathan ran 1:03:36 and Mary Etta ran 1:22:41 — Jonathan was 19:05 faster than Mary Etta. Jonathan took official place 173rd (time-based 146th) and Mary Etta took official place 175th (time-based 725th). 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 = Jonathan − Mary Etta. Negative means Jonathan 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 | Jonathan | Mary Etta | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:05 | 10:19 | -3:14 |
| Stairs to Windy Gap | 5:46 | 7:22 | -1:36 |
| Windy Gap to Muir Woods | 5:01 | 6:58 | -1:57 |
| Muir Woods to Cardiac | 24:13 | 30:54 | -6:41 |
| Cardiac to White Gate | 12:59 | 16:30 | -3:31 |
| White Gate to The Stile | 6:30 | 8:03 | -1:33 |
| The Stile to Finish | 2:02 | 2:35 | -0:33 |
Δ negative = Jonathan ran the segment faster.