Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialEric J Hoffman
#303 · 1:13:39 · M56 · Group R · INV
Wave start 8:17 AM (R-INV)
Athlete B
OfficialKieran Perez
#301 · 1:06:31 · M31 · Group Z · INV
Wave start 8:24 AM (Z-INV)
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
Eric (R-INV) started at 8:17 AM; Kieran (Z-INV) started at 8:24 AM. That gave Eric a 7 minutes head start on Kieran. On foot, Eric ran 1:13:39 and Kieran ran 1:06:31 — Kieran was 7:08 faster than Eric. Eric took official place 303rd (time-based 439th) and Kieran took official place 301st (time-based 219th). Kieran was faster on foot and finished ahead on the official clock too. Biggest swing: Kieran gained 1:24 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Eric J Hoffman (R-INV) started 7 min earlier than Kieran (Z-INV).
- Overall place Δ
- +2
- Actual time Δ
- +7:08
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Eric earlier)
- Finish clock Δ
- +0:08
- Section place Δ
- -31
Δ = Eric − Kieran. Negative means Eric is ahead/faster.
Race timeline
Computed- Eric (R-INV) started at 8:17 AM.
- Kieran (Z-INV) started at 8:24 AM, 7:00 later.
- Actual running time: Kieran was 7:08 faster on foot than Eric.
- Finish clock: Kieran crossed the line 0:08 ahead of Eric — Kieran wins this head-to-head.
Δ (A − B): actual +7:08 · finish clock +0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Eric | Kieran | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:01 | 7:46 | +1:15 |
| Stairs to Windy Gap | 6:22 | 5:19 | +1:03 |
| Windy Gap to Muir Woods | 6:46 | 5:23 | +1:23 |
| Muir Woods to Cardiac | 26:47 | 25:23 | +1:24 |
| Cardiac to White Gate | 14:56 | 13:58 | +0:58 |
| White Gate to The Stile | 7:39 | 7:00 | +0:39 |
| The Stile to Finish | 2:08 | 1:42 | +0:26 |
Δ negative = Eric ran the segment faster.