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
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-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; Edward (Z-INV) started at 8:24 AM. That gave Mary Etta a 21 minutes head start on Edward. On foot, Mary Etta ran 1:22:41 and Edward ran 48:29 — Edward was 34:12 faster than Mary Etta. Mary Etta took official place 175th (time-based 725th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 13:02 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Mary Etta Boitano Blanchard (B-INV) started 21 min earlier than Edward (Z-INV).
- Overall place Δ
- +173
- Actual time Δ
- +34:12
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 21 min (Mary Etta earlier)
- Finish clock Δ
- +13:12
- Section place Δ
- +1
Δ = Mary Etta − Edward. Negative means Mary Etta is ahead/faster.
Race timeline
Computed- Mary Etta (B-INV) started at 8:03 AM.
- Edward (Z-INV) started at 8:24 AM, 21:00 later.
- Actual running time: Edward was 34:12 faster on foot than Mary Etta.
- Finish clock: Edward crossed the line 13:12 ahead of Mary Etta — Edward wins this head-to-head.
Δ (A − B): actual +34:12 · finish clock +13:12.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mary Etta | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:19 | 5:48 | +4:31 |
| Stairs to Windy Gap | 7:22 | 4:17 | +3:05 |
| Windy Gap to Muir Woods | 6:58 | 4:16 | +2:42 |
| Muir Woods to Cardiac | 30:54 | 17:52 | +13:02 |
| Cardiac to White Gate | 16:30 | 9:40 | +6:50 |
| White Gate to The Stile | 8:03 | 5:03 | +3:00 |
| The Stile to Finish | 2:35 | 1:33 | +1:02 |
Δ negative = Mary Etta ran the segment faster.