Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJohn H Howard III
#166 · 1:02:22 · M38 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialRoy A Rivers
#170 · 1:19:28 · M69 · Group E · INV
Wave start 8:06 AM (E-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
John (Y-INV) started at 8:23 AM; Roy (E-INV) started at 8:06 AM. That gave Roy a 17 minutes head start on John. On foot, John ran 1:02:22 and Roy ran 1:19:28 — John was 17:06 faster than Roy. John took official place 166th (time-based 120th) and Roy took official place 170th (time-based 631st). John was faster on foot and finished ahead on the official clock too. Biggest swing: John gained 7:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Roy A Rivers (E-INV) started 17 min earlier than John (Y-INV).
- Overall place Δ
- -4
- Actual time Δ
- -17:06
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 17 min (Roy earlier)
- Finish clock Δ
- -0:06
- Section place Δ
- +29
Δ = John − Roy. Negative means John is ahead/faster.
Race timeline
Computed- Roy (E-INV) started at 8:06 AM.
- John (Y-INV) started at 8:23 AM, 17:00 later.
- Actual running time: John was 17:06 faster on foot than Roy.
- Finish clock: John crossed the line 0:06 ahead of Roy — John wins this head-to-head.
Δ (A − B): actual -17:06 · finish clock -0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | John | Roy | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:40 | 10:07 | -2:27 |
| Stairs to Windy Gap | 5:40 | 7:28 | -1:48 |
| Windy Gap to Muir Woods | 4:57 | 6:08 | -1:11 |
| Muir Woods to Cardiac | 24:05 | 31:45 | -7:40 |
| Cardiac to White Gate | 11:53 | 14:40 | -2:47 |
| White Gate to The Stile | 6:12 | 7:06 | -0:54 |
| The Stile to Finish | 1:55 | 2:14 | -0:19 |
Δ negative = John ran the segment faster.