Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIsabel Diaz
#241 · 1:13:43 · F41 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-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
Isabel (P-INV) started at 8:15 AM; Edward (Z-INV) started at 8:24 AM. That gave Isabel a 9 minutes head start on Edward. On foot, Isabel ran 1:13:43 and Edward ran 48:29 — Edward was 25:14 faster than Isabel. Isabel took official place 241st (time-based 442nd) 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 9:47 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Isabel Diaz (P-INV) started 9 min earlier than Edward (Z-INV).
- Overall place Δ
- +239
- Actual time Δ
- +25:14
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Isabel earlier)
- Finish clock Δ
- +16:14
- Section place Δ
- +15
Δ = Isabel − Edward. Negative means Isabel is ahead/faster.
Race timeline
Computed- Isabel (P-INV) started at 8:15 AM.
- Edward (Z-INV) started at 8:24 AM, 9:00 later.
- Actual running time: Edward was 25:14 faster on foot than Isabel.
- Finish clock: Edward crossed the line 16:14 ahead of Isabel — Edward wins this head-to-head.
Δ (A − B): actual +25:14 · finish clock +16:14.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Isabel | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:32 | 5:48 | +2:44 |
| Stairs to Windy Gap | 6:17 | 4:17 | +2:00 |
| Windy Gap to Muir Woods | 6:30 | 4:16 | +2:14 |
| Muir Woods to Cardiac | 27:39 | 17:52 | +9:47 |
| Cardiac to White Gate | 15:00 | 9:40 | +5:20 |
| White Gate to The Stile | 7:36 | 5:03 | +2:33 |
| The Stile to Finish | 2:09 | 1:33 | +0:36 |
Δ negative = Isabel ran the segment faster.