Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialPhuong Vuong
#1176 · 1:43:04 · F38 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Athlete B
OfficialSean P Halladay
#1171 · 1:37:47 · M45 · Group W · DR
Wave start 8:48 AM (W-DR)
Interpretation
Phuong (Q-DR) started at 8:43 AM; Sean (W-DR) started at 8:48 AM. That gave Phuong a 5 minutes head start on Sean. On foot, Phuong ran 1:43:04 and Sean ran 1:37:47 — Sean was 5:17 faster than Phuong. Phuong took official place 1176th (time-based 1138th) and Sean took official place 1171st (time-based 1064th). Sean was faster on foot and finished ahead on the official clock too. Biggest swing: Sean gained 1:34 from Cardiac to White Gate.
Deltas
ComputedWave start
Phuong Vuong (Q-DR) started 5 min earlier than Sean (W-DR).
- Overall place Δ
- +5
- Actual time Δ
- +5:17
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Phuong earlier)
- Finish clock Δ
- +0:17
- Section place Δ
- +42
Δ = Phuong − Sean. Negative means Phuong is ahead/faster.
Race timeline
Computed- Phuong (Q-DR) started at 8:43 AM.
- Sean (W-DR) started at 8:48 AM, 5:00 later.
- Actual running time: Sean was 5:17 faster on foot than Phuong.
- Finish clock: Sean crossed the line 0:17 ahead of Phuong — Sean wins this head-to-head.
Δ (A − B): actual +5:17 · finish clock +0:17.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Phuong | Sean | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:40 | 10:44 | +0:56 |
| Stairs to Windy Gap | 8:57 | 8:36 | +0:21 |
| Windy Gap to Muir Woods | 8:19 | 7:01 | +1:18 |
| Muir Woods to Cardiac | 39:43 | 39:40 | +0:03 |
| Cardiac to White Gate | 21:45 | 20:11 | +1:34 |
| White Gate to The Stile | 10:00 | 9:17 | +0:43 |
| The Stile to Finish | 2:40 | 2:18 | +0:22 |
Δ negative = Phuong ran the segment faster.