Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMichael O Park
#87 · 59:04 · M38 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialBrian Sterling
#82 · 1:09:53 · M62 · Group L · INV
Wave start 8:12 AM (L-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
Michael (Y-INV) started at 8:23 AM; Brian (L-INV) started at 8:12 AM. That gave Brian a 11 minutes head start on Michael. On foot, Michael ran 59:04 and Brian ran 1:09:53 — Michael was 10:49 faster than Brian. Michael took official place 87th (time-based 55th) and Brian took official place 82nd (time-based 319th). Brian's head start was enough to flip the official order even though Michael was faster on foot. Biggest swing: Michael gained 3:21 from Cardiac to White Gate.
Deltas
ComputedWave start
Brian Sterling (L-INV) started 11 min earlier than Michael (Y-INV).
- Overall place Δ
- +5
- Actual time Δ
- -10:49
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 11 min (Brian earlier)
- Finish clock Δ
- +0:11
- Section place Δ
- +13
Δ = Michael − Brian. Negative means Michael is ahead/faster.
Race timeline
Computed- Brian (L-INV) started at 8:12 AM.
- Michael (Y-INV) started at 8:23 AM, 11:00 later.
- Actual running time: Michael was 10:49 faster on foot than Brian.
- Finish clock: Brian crossed the line 0:11 ahead of Michael — Brian wins this head-to-head.
Δ (A − B): actual -10:49 · finish clock +0:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Michael | Brian | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:02 | 8:22 | -1:20 |
| Stairs to Windy Gap | 5:21 | 6:20 | -0:59 |
| Windy Gap to Muir Woods | 4:52 | 6:03 | -1:11 |
| Muir Woods to Cardiac | 22:54 | 25:30 | -2:36 |
| Cardiac to White Gate | 11:26 | 14:47 | -3:21 |
| White Gate to The Stile | 5:45 | 6:52 | -1:07 |
| The Stile to Finish | 1:44 | 1:59 | -0:15 |
Δ negative = Michael ran the segment faster.