Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIrvin A Rojas
#492 · 1:18:38 · M14 · Group V · INV
Wave start 8:20 AM (V-INV)
Athlete B
OfficialJustin T Shern
#490 · 1:15:25 · M17 · Group Y · INV
Wave start 8:23 AM (Y-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
Irvin (V-INV) started at 8:20 AM; Justin (Y-INV) started at 8:23 AM. That gave Irvin a 3 minutes head start on Justin. On foot, Irvin ran 1:18:38 and Justin ran 1:15:25 — Justin was 3:13 faster than Irvin. Irvin took official place 492nd (time-based 598th) and Justin took official place 490th (time-based 499th). Justin was faster on foot and finished ahead on the official clock too. Biggest swing: Irvin gained 1:46 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Irvin A Rojas (V-INV) started 3 min earlier than Justin (Y-INV).
- Overall place Δ
- +2
- Actual time Δ
- +3:13
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Irvin earlier)
- Finish clock Δ
- +0:13
- Section place Δ
- -55
Δ = Irvin − Justin. Negative means Irvin is ahead/faster.
Race timeline
Computed- Irvin (V-INV) started at 8:20 AM.
- Justin (Y-INV) started at 8:23 AM, 3:00 later.
- Actual running time: Justin was 3:13 faster on foot than Irvin.
- Finish clock: Justin crossed the line 0:13 ahead of Irvin — Justin wins this head-to-head.
Δ (A − B): actual +3:13 · finish clock +0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Irvin | Justin | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:36 | 8:17 | +0:19 |
| Stairs to Windy Gap | 6:45 | 6:02 | +0:43 |
| Windy Gap to Muir Woods | 6:00 | 5:18 | +0:42 |
| Muir Woods to Cardiac | 31:26 | 33:12 | -1:46 |
| Cardiac to White Gate | 15:28 | 14:01 | +1:27 |
| White Gate to The Stile | 7:55 | 6:51 | +1:04 |
| The Stile to Finish | 2:28 | 1:44 | +0:44 |
Δ negative = Irvin ran the segment faster.