Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSandra M Holbrook James
#311 · 1:23:53 · F58 · Group F · INV
Wave start 8:07 AM (F-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
Sandra (F-INV) started at 8:07 AM; Edward (Z-INV) started at 8:24 AM. That gave Sandra a 17 minutes head start on Edward. On foot, Sandra ran 1:23:53 and Edward ran 48:29 — Edward was 35:24 faster than Sandra. Sandra took official place 311th (time-based 763rd) 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 12:06 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Sandra M Holbrook James (F-INV) started 17 min earlier than Edward (Z-INV).
- Overall place Δ
- +309
- Actual time Δ
- +35:24
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 17 min (Sandra earlier)
- Finish clock Δ
- +18:24
- Section place Δ
- +1
Δ = Sandra − Edward. Negative means Sandra is ahead/faster.
Race timeline
Computed- Sandra (F-INV) started at 8:07 AM.
- Edward (Z-INV) started at 8:24 AM, 17:00 later.
- Actual running time: Edward was 35:24 faster on foot than Sandra.
- Finish clock: Edward crossed the line 18:24 ahead of Sandra — Edward wins this head-to-head.
Δ (A − B): actual +35:24 · finish clock +18:24.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Sandra | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:04 | 5:48 | +4:16 |
| Stairs to Windy Gap | 7:16 | 4:17 | +2:59 |
| Windy Gap to Muir Woods | 7:35 | 4:16 | +3:19 |
| Muir Woods to Cardiac | 29:58 | 17:52 | +12:06 |
| Cardiac to White Gate | 17:54 | 9:40 | +8:14 |
| White Gate to The Stile | 8:40 | 5:03 | +3:37 |
| The Stile to Finish | 2:26 | 1:33 | +0:53 |
Δ negative = Sandra ran the segment faster.