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
OfficialBjorn Laurin
#972 · 1:29:38 · M52 · Group U · DR
Wave start 8:46 AM (U-DR)
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
Tom (F-DR) started at 8:34 AM; Bjorn (U-DR) started at 8:46 AM. That gave Tom a 12 minutes head start on Bjorn. On foot, Tom ran 1:41:38 and Bjorn ran 1:29:38 — Bjorn was 12:00 faster than Tom. Tom took official place 971st (time-based 1118th) and Bjorn took official place 972nd (time-based 902nd). Tom's head start was enough to flip the official order even though Bjorn was faster on foot. Biggest swing: Bjorn gained 5:38 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Tom Oprendek (F-DR) started 12 min earlier than Bjorn (U-DR).
- Overall place Δ
- -1
- Actual time Δ
- +12:00
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 12 min (Tom earlier)
- Finish clock Δ
- ±0:00
- Section place Δ
- -30
Δ = Tom − Bjorn. Negative means Tom is ahead/faster.
Race timeline
Computed- Tom (F-DR) started at 8:34 AM.
- Bjorn (U-DR) started at 8:46 AM, 12:00 later.
- Actual running time: Bjorn was 12:00 faster on foot than Tom.
- They crossed the finish line at the same clock time.
Δ (A − B): actual +12:00 · finish clock ±0:00.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Tom | Bjorn | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:22 | 10:12 | +2:10 |
| Stairs to Windy Gap | 9:21 | 7:35 | +1:46 |
| Windy Gap to Muir Woods | 7:29 | 7:08 | +0:21 |
| Muir Woods to Cardiac | 40:35 | 34:57 | +5:38 |
| Cardiac to White Gate | 20:04 | 18:15 | +1:49 |
| White Gate to The Stile | 9:22 | 9:17 | +0:05 |
| The Stile to Finish | 2:25 | 2:14 | +0:11 |
Δ negative = Tom ran the segment faster.