Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialTom Oprendek
#971 · 1:41:38 · M68 · Group F · DR
Wave start 8:34 AM (F-DR)
Athlete B
OfficialMason O Joe
#969 · 1:34:28 · M10 · Group N · DR
Wave start 8:41 AM (N-DR)
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
Tom (F-DR) started at 8:34 AM; Mason (N-DR) started at 8:41 AM. That gave Tom a 7 minutes head start on Mason. On foot, Tom ran 1:41:38 and Mason ran 1:34:28 — Mason was 7:10 faster than Tom. Tom took official place 971st (time-based 1118th) and Mason took official place 969th (time-based 997th). Mason was faster on foot and finished ahead on the official clock too. Biggest swing: Mason gained 5:25 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Tom Oprendek (F-DR) started 7 min earlier than Mason (N-DR).
- Overall place Δ
- +2
- Actual time Δ
- +7:10
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Tom earlier)
- Finish clock Δ
- +0:10
- Section place Δ
- -22
Δ = Tom − Mason. Negative means Tom is ahead/faster.
Race timeline
Computed- Tom (F-DR) started at 8:34 AM.
- Mason (N-DR) started at 8:41 AM, 7:00 later.
- Actual running time: Mason was 7:10 faster on foot than Tom.
- Finish clock: Mason crossed the line 0:10 ahead of Tom — Mason wins this head-to-head.
Δ (A − B): actual +7:10 · finish clock +0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Tom | Mason | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:22 | 9:11 | +3:11 |
| Stairs to Windy Gap | 9:21 | 7:13 | +2:08 |
| Windy Gap to Muir Woods | 7:29 | 8:23 | -0:54 |
| Muir Woods to Cardiac | 40:35 | 35:10 | +5:25 |
| Cardiac to White Gate | 20:04 | 21:30 | -1:26 |
| White Gate to The Stile | 9:22 | 10:35 | -1:13 |
| The Stile to Finish | 2:25 | 2:26 | -0:01 |
Δ negative = Tom ran the segment faster.