Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialRipley Tyson
#1023 · 1:36:08 · F17 · Group N · DR
Wave start 8:41 AM (N-DR)
Athlete B
OfficialErik Bianchi
#1025 · 1:27:12 · M41 · Group Y · DR
Wave start 8:50 AM (Y-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
Ripley (N-DR) started at 8:41 AM; Erik (Y-DR) started at 8:50 AM. That gave Ripley a 9 minutes head start on Erik. On foot, Ripley ran 1:36:08 and Erik ran 1:27:12 — Erik was 8:56 faster than Ripley. Ripley took official place 1023rd (time-based 1036th) and Erik took official place 1025th (time-based 836th). Ripley's head start was enough to flip the official order even though Erik was faster on foot. Biggest swing: Erik gained 5:15 from Cardiac to White Gate.
Deltas
ComputedWave start
Ripley Tyson (N-DR) started 9 min earlier than Erik (Y-DR).
- Overall place Δ
- -2
- Actual time Δ
- +8:56
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Ripley earlier)
- Finish clock Δ
- -0:04
- Section place Δ
- -47
Δ = Ripley − Erik. Negative means Ripley is ahead/faster.
Race timeline
Computed- Ripley (N-DR) started at 8:41 AM.
- Erik (Y-DR) started at 8:50 AM, 9:00 later.
- Actual running time: Erik was 8:56 faster on foot than Ripley.
- Finish clock: Ripley crossed the line 0:04 ahead of Erik — Ripley wins this head-to-head.
Δ (A − B): actual +8:56 · finish clock -0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Ripley | Erik | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:22 | 10:07 | +0:15 |
| Stairs to Windy Gap | 8:12 | 6:53 | +1:19 |
| Windy Gap to Muir Woods | 8:57 | 7:10 | +1:47 |
| Muir Woods to Cardiac | 34:55 | 34:37 | +0:18 |
| Cardiac to White Gate | 22:49 | 17:34 | +5:15 |
| White Gate to The Stile | 8:31 | 8:42 | -0:11 |
| The Stile to Finish | 2:22 | 2:09 | +0:13 |
Δ negative = Ripley ran the segment faster.