Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMarley Nacco
#410 · 1:19:49 · F19 · Group N · INV
Wave start 8:14 AM (N-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
Marley (N-INV) started at 8:14 AM; Edward (Z-INV) started at 8:24 AM. That gave Marley a 10 minutes head start on Edward. On foot, Marley ran 1:19:49 and Edward ran 48:29 — Edward was 31:20 faster than Marley. Marley took official place 410th (time-based 647th) 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 13:08 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Marley Nacco (N-INV) started 10 min earlier than Edward (Z-INV).
- Overall place Δ
- +408
- Actual time Δ
- +31:20
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Marley earlier)
- Finish clock Δ
- +21:20
- Section place Δ
- +10
Δ = Marley − Edward. Negative means Marley is ahead/faster.
Race timeline
Computed- Marley (N-INV) started at 8:14 AM.
- Edward (Z-INV) started at 8:24 AM, 10:00 later.
- Actual running time: Edward was 31:20 faster on foot than Marley.
- Finish clock: Edward crossed the line 21:20 ahead of Marley — Edward wins this head-to-head.
Δ (A − B): actual +31:20 · finish clock +21:20.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Marley | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:51 | 5:48 | +3:03 |
| Stairs to Windy Gap | 7:33 | 4:17 | +3:16 |
| Windy Gap to Muir Woods | 6:33 | 4:16 | +2:17 |
| Muir Woods to Cardiac | 31:00 | 17:52 | +13:08 |
| Cardiac to White Gate | 16:36 | 9:40 | +6:56 |
| White Gate to The Stile | 7:18 | 5:03 | +2:15 |
| The Stile to Finish | 1:58 | 1:33 | +0:25 |
Δ negative = Marley ran the segment faster.