Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIvy Chen
#1291 · 1:59:15 · F44 · Group N · DR
Wave start 8:41 AM (N-DR)
Athlete B
OfficialRobb Briggs
#1290 · 1:57:08 · M57 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Interpretation
Ivy (N-DR) started at 8:41 AM; Robb (Q-DR) started at 8:43 AM. That gave Ivy a 2 minutes head start on Robb. On foot, Ivy ran 1:59:15 and Robb ran 1:57:08 — Robb was 2:07 faster than Ivy. Ivy took official place 1291st (time-based 1284th) and Robb took official place 1290th (time-based 1274th). Robb was faster on foot and finished ahead on the official clock too. Biggest swing: Robb gained 5:00 from Cardiac to White Gate.
Deltas
ComputedWave start
Ivy Chen (N-DR) started 2 min earlier than Robb (Q-DR).
- Overall place Δ
- +1
- Actual time Δ
- +2:07
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Ivy earlier)
- Finish clock Δ
- +0:07
- Section place Δ
- -46
Δ = Ivy − Robb. Negative means Ivy is ahead/faster.
Race timeline
Computed- Ivy (N-DR) started at 8:41 AM.
- Robb (Q-DR) started at 8:43 AM, 2:00 later.
- Actual running time: Robb was 2:07 faster on foot than Ivy.
- Finish clock: Robb crossed the line 0:07 ahead of Ivy — Robb wins this head-to-head.
Δ (A − B): actual +2:07 · finish clock +0:07.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Ivy | Robb | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:24 | 12:53 | -0:29 |
| Stairs to Windy Gap | 9:59 | 10:25 | -0:26 |
| Windy Gap to Muir Woods | 10:57 | 9:07 | +1:50 |
| Muir Woods to Cardiac | 43:38 | 46:09 | -2:31 |
| Cardiac to White Gate | 27:49 | 22:49 | +5:00 |
| White Gate to The Stile | 11:38 | 12:36 | -0:58 |
| The Stile to Finish | 2:50 | 3:09 | -0:19 |
Δ negative = Ivy ran the segment faster.