Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialPhelps Wood
#364 · 1:16:20 · M57 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialFelix Mathew
#361 · 1:10:13 · M16 · Group X · INV
Wave start 8:22 AM (X-INV)
Comparison report
Download the full report as a PDF, share the file, or send a link to this view.
The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Phelps (Q-INV) started at 8:16 AM; Felix (X-INV) started at 8:22 AM. That gave Phelps a 6 minutes head start on Felix. On foot, Phelps ran 1:16:20 and Felix ran 1:10:13 — Felix was 6:07 faster than Phelps. Phelps took official place 364th (time-based 531st) and Felix took official place 361st (time-based 333rd). Felix was faster on foot and finished ahead on the official clock too. Biggest swing: Felix gained 3:15 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Phelps Wood (Q-INV) started 6 min earlier than Felix (X-INV).
- Overall place Δ
- +3
- Actual time Δ
- +6:07
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Phelps earlier)
- Finish clock Δ
- +0:07
- Section place Δ
- +14
Δ = Phelps − Felix. Negative means Phelps is ahead/faster.
Race timeline
Computed- Phelps (Q-INV) started at 8:16 AM.
- Felix (X-INV) started at 8:22 AM, 6:00 later.
- Actual running time: Felix was 6:07 faster on foot than Phelps.
- Finish clock: Felix crossed the line 0:07 ahead of Phelps — Felix wins this head-to-head.
Δ (A − B): actual +6:07 · finish clock +0:07.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Phelps | Felix | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:55 | 7:09 | +1:46 |
| Stairs to Windy Gap | 6:43 | 5:36 | +1:07 |
| Windy Gap to Muir Woods | 6:11 | 6:20 | -0:09 |
| Muir Woods to Cardiac | 29:31 | 26:16 | +3:15 |
| Cardiac to White Gate | 15:19 | 15:28 | -0:09 |
| White Gate to The Stile | 7:31 | 7:19 | +0:12 |
| The Stile to Finish | 2:10 | 2:05 | +0:05 |
Δ negative = Phelps ran the segment faster.