Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJerome Ross
#532 · 1:00:58 · M50 · Group U · DR
Wave start 8:46 AM (U-DR)
Athlete B
OfficialArianna Gragg
#534 · 1:05:09 · F26 · Group Q · DR
Wave start 8:43 AM (Q-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
Jerome (U-DR) started at 8:46 AM; Arianna (Q-DR) started at 8:43 AM. That gave Arianna a 3 minutes head start on Jerome. On foot, Jerome ran 1:00:58 and Arianna ran 1:05:09 — Jerome was 4:11 faster than Arianna. Jerome took official place 532nd (time-based 78th) and Arianna took official place 534th (time-based 184th). Jerome was faster on foot and finished ahead on the official clock too. Biggest swing: Jerome gained 4:01 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Arianna Gragg (Q-DR) started 3 min earlier than Jerome (U-DR).
- Overall place Δ
- -2
- Actual time Δ
- -4:11
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Arianna earlier)
- Finish clock Δ
- -1:11
- Section place Δ
- -3
Δ = Jerome − Arianna. Negative means Jerome is ahead/faster.
Race timeline
Computed- Arianna (Q-DR) started at 8:43 AM.
- Jerome (U-DR) started at 8:46 AM, 3:00 later.
- Actual running time: Jerome was 4:11 faster on foot than Arianna.
- Finish clock: Jerome crossed the line 1:11 ahead of Arianna — Jerome wins this head-to-head.
Δ (A − B): actual -4:11 · finish clock -1:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jerome | Arianna | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:26 | 8:01 | -0:35 |
| Stairs to Windy Gap | 5:05 | 5:43 | -0:38 |
| Windy Gap to Muir Woods | 5:22 | 5:33 | -0:11 |
| Muir Woods to Cardiac | 21:36 | 25:37 | -4:01 |
| Cardiac to White Gate | 13:20 | 12:13 | +1:07 |
| White Gate to The Stile | 6:21 | 6:20 | +0:01 |
| The Stile to Finish | 1:48 | 1:42 | +0:06 |
Δ negative = Jerome ran the segment faster.