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
OfficialJulia R Maxwell Bailey
#3 · 57:02 · F30 · 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
Mary Etta (B-INV) started at 8:03 AM; Julia (Q-INV) started at 8:16 AM. That gave Mary Etta a 13 minutes head start on Julia. On foot, Mary Etta ran 1:22:41 and Julia ran 57:02 — Julia was 25:39 faster than Mary Etta. Mary Etta took official place 175th (time-based 725th) and Julia took official place 3rd (time-based 32nd). Julia was faster on foot and finished ahead on the official clock too. Biggest swing: Julia gained 10:28 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Mary Etta Boitano Blanchard (B-INV) started 13 min earlier than Julia (Q-INV).
- Overall place Δ
- +172
- Actual time Δ
- +25:39
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 13 min (Mary Etta earlier)
- Finish clock Δ
- +12:39
- Section place Δ
- +1
Δ = Mary Etta − Julia. Negative means Mary Etta is ahead/faster.
Race timeline
Computed- Mary Etta (B-INV) started at 8:03 AM.
- Julia (Q-INV) started at 8:16 AM, 13:00 later.
- Actual running time: Julia was 25:39 faster on foot than Mary Etta.
- Finish clock: Julia crossed the line 12:39 ahead of Mary Etta — Julia wins this head-to-head.
Δ (A − B): actual +25:39 · finish clock +12:39.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mary Etta | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:19 | 6:46 | +3:33 |
| Stairs to Windy Gap | 7:22 | 5:03 | +2:19 |
| Windy Gap to Muir Woods | 6:58 | 5:20 | +1:38 |
| Muir Woods to Cardiac | 30:54 | 20:26 | +10:28 |
| Cardiac to White Gate | 16:30 | 11:52 | +4:38 |
| White Gate to The Stile | 8:03 | 5:54 | +2:09 |
| The Stile to Finish | 2:35 | 1:41 | +0:54 |
Δ negative = Mary Etta ran the segment faster.