Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMarci Furutani
#1292 · 1:58:23 · F43 · Group P · DR
Wave start 8:42 AM (P-DR)
Athlete B
OfficialRobb Briggs
#1290 · 1:57:08 · M57 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Interpretation
Marci (P-DR) started at 8:42 AM; Robb (Q-DR) started at 8:43 AM. That gave Marci a 1 minute head start on Robb. On foot, Marci ran 1:58:23 and Robb ran 1:57:08 — Robb was 1:15 faster than Marci. Marci took official place 1292nd (time-based 1280th) and Robb took official place 1290th (time-based 1274th). Robb was faster on foot and finished ahead on the official clock too. Biggest swing: Marci gained 5:36 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Marci Furutani (P-DR) started 1 min earlier than Robb (Q-DR).
- Overall place Δ
- +2
- Actual time Δ
- +1:15
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Marci earlier)
- Finish clock Δ
- +0:15
- Section place Δ
- -30
Δ = Marci − Robb. Negative means Marci is ahead/faster.
Race timeline
Computed- Marci (P-DR) started at 8:42 AM.
- Robb (Q-DR) started at 8:43 AM, 1:00 later.
- Actual running time: Robb was 1:15 faster on foot than Marci.
- Finish clock: Robb crossed the line 0:15 ahead of Marci — Robb wins this head-to-head.
Δ (A − B): actual +1:15 · finish clock +0:15.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Marci | Robb | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:42 | 12:53 | -0:11 |
| Stairs to Windy Gap | 10:15 | 10:25 | -0:10 |
| Windy Gap to Muir Woods | 11:54 | 9:07 | +2:47 |
| Muir Woods to Cardiac | 40:33 | 46:09 | -5:36 |
| Cardiac to White Gate | 27:44 | 22:49 | +4:55 |
| White Gate to The Stile | 12:21 | 12:36 | -0:15 |
| The Stile to Finish | 2:54 | 3:09 | -0:15 |
Δ negative = Marci ran the segment faster.