Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIsabel Diaz
#241 · 1:13:43 · F41 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialBryan Daniel Chambers
#238 · 1:04:37 · 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
Isabel (P-INV) started at 8:15 AM; Bryan (Z-INV) started at 8:24 AM. That gave Isabel a 9 minutes head start on Bryan. On foot, Isabel ran 1:13:43 and Bryan ran 1:04:37 — Bryan was 9:06 faster than Isabel. Isabel took official place 241st (time-based 442nd) and Bryan took official place 238th (time-based 169th). Bryan was faster on foot and finished ahead on the official clock too. Biggest swing: Bryan gained 3:01 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Isabel Diaz (P-INV) started 9 min earlier than Bryan (Z-INV).
- Overall place Δ
- +3
- Actual time Δ
- +9:06
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Isabel earlier)
- Finish clock Δ
- +0:06
- Section place Δ
- -12
Δ = Isabel − Bryan. Negative means Isabel is ahead/faster.
Race timeline
Computed- Isabel (P-INV) started at 8:15 AM.
- Bryan (Z-INV) started at 8:24 AM, 9:00 later.
- Actual running time: Bryan was 9:06 faster on foot than Isabel.
- Finish clock: Bryan crossed the line 0:06 ahead of Isabel — Bryan wins this head-to-head.
Δ (A − B): actual +9:06 · finish clock +0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Isabel | Bryan | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:32 | 7:32 | +1:00 |
| Stairs to Windy Gap | 6:17 | 5:31 | +0:46 |
| Windy Gap to Muir Woods | 6:30 | 5:07 | +1:23 |
| Muir Woods to Cardiac | 27:39 | 24:38 | +3:01 |
| Cardiac to White Gate | 15:00 | 13:22 | +1:38 |
| White Gate to The Stile | 7:36 | 6:41 | +0:55 |
| The Stile to Finish | 2:09 | 1:46 | +0:23 |
Δ negative = Isabel ran the segment faster.