Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJeff Marks
#628 · 1:13:15 · M53 · Group U · DR
Wave start 8:46 AM (U-DR)
Athlete B
OfficialGary C Byrd
#623 · 1:19:46 · M62 · Group L · DR
Wave start 8:39 AM (L-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
Jeff (U-DR) started at 8:46 AM; Gary (L-DR) started at 8:39 AM. That gave Gary a 7 minutes head start on Jeff. On foot, Jeff ran 1:13:15 and Gary ran 1:19:46 — Jeff was 6:31 faster than Gary. Jeff took official place 628th (time-based 430th) and Gary took official place 623rd (time-based 644th). Gary's head start was enough to flip the official order even though Jeff was faster on foot. Biggest swing: Jeff gained 1:41 from Cardiac to White Gate.
Deltas
ComputedWave start
Gary C Byrd (L-DR) started 7 min earlier than Jeff (U-DR).
- Overall place Δ
- +5
- Actual time Δ
- -6:31
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Gary earlier)
- Finish clock Δ
- +0:29
- Section place Δ
- +5
Δ = Jeff − Gary. Negative means Jeff is ahead/faster.
Race timeline
Computed- Gary (L-DR) started at 8:39 AM.
- Jeff (U-DR) started at 8:46 AM, 7:00 later.
- Actual running time: Jeff was 6:31 faster on foot than Gary.
- Finish clock: Gary crossed the line 0:29 ahead of Jeff — Gary wins this head-to-head.
Δ (A − B): actual -6:31 · finish clock +0:29.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jeff | Gary | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:34 | 10:17 | -1:43 |
| Stairs to Windy Gap | 6:24 | 6:58 | -0:34 |
| Windy Gap to Muir Woods | 6:13 | 6:54 | -0:41 |
| Muir Woods to Cardiac | 28:16 | 29:16 | -1:00 |
| Cardiac to White Gate | 14:29 | 16:10 | -1:41 |
| White Gate to The Stile | 7:15 | 7:55 | -0:40 |
| The Stile to Finish | 2:04 | 2:16 | -0:12 |
Δ negative = Jeff ran the segment faster.