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 Zukoski
#907 · 1:24:47 · M47 · Group W · DR
Wave start 8:48 AM (W-DR)
Athlete B
OfficialTodd RItola
#909 · 1:30:58 · M58 · Group P · DR
Wave start 8:42 AM (P-DR)
Interpretation
Tom (W-DR) started at 8:48 AM; Todd (P-DR) started at 8:42 AM. That gave Todd a 6 minutes head start on Tom. On foot, Tom ran 1:24:47 and Todd ran 1:30:58 — Tom was 6:11 faster than Todd. Tom took official place 907th (time-based 786th) and Todd took official place 909th (time-based 925th). Tom was faster on foot and finished ahead on the official clock too. Biggest swing: Tom gained 3:23 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Todd RItola (P-DR) started 6 min earlier than Tom (W-DR).
- Overall place Δ
- -2
- Actual time Δ
- -6:11
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Todd earlier)
- Finish clock Δ
- -0:11
- Section place Δ
- -3
Δ = Tom − Todd. Negative means Tom is ahead/faster.
Race timeline
Computed- Todd (P-DR) started at 8:42 AM.
- Tom (W-DR) started at 8:48 AM, 6:00 later.
- Actual running time: Tom was 6:11 faster on foot than Todd.
- Finish clock: Tom crossed the line 0:11 ahead of Todd — Tom wins this head-to-head.
Δ (A − B): actual -6:11 · finish clock -0:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Tom | Todd | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:27 | 11:01 | -1:34 |
| Stairs to Windy Gap | 7:25 | 8:20 | -0:55 |
| Windy Gap to Muir Woods | 7:28 | 6:34 | +0:54 |
| Muir Woods to Cardiac | 32:36 | 35:59 | -3:23 |
| Cardiac to White Gate | 17:28 | 17:51 | -0:23 |
| White Gate to The Stile | 8:12 | 8:34 | -0:22 |
| The Stile to Finish | 2:11 | 2:39 | -0:28 |
Δ negative = Tom ran the segment faster.