Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSteven H Larson
#365 · 1:11:21 · M45 · Group W · INV
Wave start 8:21 AM (W-INV)
Athlete B
OfficialBoris E Pialloux
#368 · 1:15:24 · M56 · Group R · INV
Wave start 8:17 AM (R-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
Steven (W-INV) started at 8:21 AM; Boris (R-INV) started at 8:17 AM. That gave Boris a 4 minutes head start on Steven. On foot, Steven ran 1:11:21 and Boris ran 1:15:24 — Steven was 4:03 faster than Boris. Steven took official place 365th (time-based 364th) and Boris took official place 368th (time-based 497th). Steven was faster on foot and finished ahead on the official clock too. Biggest swing: Steven gained 1:14 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Boris E Pialloux (R-INV) started 4 min earlier than Steven (W-INV).
- Overall place Δ
- -3
- Actual time Δ
- -4:03
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Boris earlier)
- Finish clock Δ
- -0:03
- Section place Δ
- +18
Δ = Steven − Boris. Negative means Steven is ahead/faster.
Race timeline
Computed- Boris (R-INV) started at 8:17 AM.
- Steven (W-INV) started at 8:21 AM, 4:00 later.
- Actual running time: Steven was 4:03 faster on foot than Boris.
- Finish clock: Steven crossed the line 0:03 ahead of Boris — Steven wins this head-to-head.
Δ (A − B): actual -4:03 · finish clock -0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Steven | Boris | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:55 | 9:10 | -1:15 |
| Stairs to Windy Gap | 6:32 | 6:48 | -0:16 |
| Windy Gap to Muir Woods | 5:58 | 6:17 | -0:19 |
| Muir Woods to Cardiac | 27:10 | 28:24 | -1:14 |
| Cardiac to White Gate | 14:27 | 15:29 | -1:02 |
| White Gate to The Stile | 7:11 | 7:13 | -0:02 |
| The Stile to Finish | 2:08 | 2:03 | +0:05 |
Δ negative = Steven ran the segment faster.