Damon Zhangchai

Bib: 14973MAge: 33

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 26%
Gender (Male)
#0 / 3977
Top 35%
Division (M30-34)
#0 / 872
Top 35%
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
8:55/mi
16:09
→ flat
5.34M
9:12/mi
48:37
8074
6.15M
9:39/mi
56:26
1262.8%
10.54M
9:22/mi
1:37:31
2303610.6%
11.05M
12:15/mi
1:43:46
1726.4%
Finish· 13.11 mi
9:20/mi
2:02:59
971140.2%

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time56:26
Pace9:11 /mi
2nd Half
Distance6.96 mi
Time1:06:33
Pace9:34 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:58:4016:098:5516:09
8:55
-
5.34M
5.34 mi07:31:0848:379:0632:28
9:12
+0:17
6.15M
6.15 mi07:38:5756:269:117:49
9:39
+0:27
10.54M
10.54 mi08:20:021:37:319:1541:05
9:22
-0:17
11.05M
11.05 mi08:26:171:43:469:236:15
12:15
+2:53
Finish
13.11 mi08:45:302:02:599:2319:13
9:20
-2:55

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:55 /mi

Average Pace

9:23 /mi

Slowest Pace

12:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:56:44

95% of race

Time at Slower Pace

6:15

5% of race

Average Pace: 9:23 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81M
1.81 mi06:58:4016:098:5516:09
8:55
#1832
5.34M
5.34 mi07:31:0848:379:0632:28
9:12
#1999
6.15M
6.15 mi07:38:5756:269:117:49
9:39
#2018
10.54M
10.54 mi08:20:021:37:319:1541:05
9:22
#1983
11.05M
11.05 mi08:26:171:43:469:236:15
12:15
#1948
Finish
13.11 mi08:45:302:02:599:2319:13
9:20
#1856
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81M1.81 mi1.81 mi183213882851832(Top 26%)1388(Top 35%)285(Top 33%)
5.34M5.34 mi3.53 mi1999-1671494-106314-292139(Top 30%)1583(Top 40%)329(Top 38%)
6.15M6.15 mi0.81 mi2018-191509-15316-22190(Top 31%)1604(Top 40%)341(Top 39%)
10.54M10.54 mi4.39 mi1983+351479+30318-22029(Top 29%)1514(Top 38%)330(Top 38%)
11.05M11.05 mi0.51 mi1948+351461+18314+41853(Top 26%)1375(Top 35%)299(Top 34%)
Finish13.11 mi2.06 mi1856+921395+66305+91589(Top 22%)1198(Top 30%)254(Top 29%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 26%
~flat
+4ft-3ft

Overall

1832

Males

1388

M30-34

285

1.81M→5.34M

1.8 - 5.3 mi

Top 30%
×4story building
+80ft-74ft

Overall

2139

Males

1583

M30-34

329

5.34M→6.15M

5.3 - 6.2 mi

Top 31%
×10story building
+126ft-4ft

Overall

2190

Males

1604

M30-34

341

6.15M→10.54M

6.2 - 10.5 mi

Top 29%
×21story building
+230ft-361ft

Overall

2029

Males

1514

M30-34

330

10.54M→11.05M

10.5 - 11.1 mi

Top 26%
×14story building
+172ft-0ft

Overall

1853

Males

1375

M30-34

299

11.05M→Finish

11.1 - 13.1 mi

Top 22%
×7story building
+97ft-114ft

Overall

1589

Males

1198

M30-34

254

Passing Analysis

Category:
Athletes Passed
438*
Passed By
462
Net Change
-24
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#1832
1.81M5.34M102269-167#1832#1999
5.34M6.15M2746-19#1999#2018
6.15M10.54M141*106+35#2018#1983
10.54M11.05M5722+35#1983#1948
11.05MFinish111*19+92#1948#1856
TOTALS438*462-24

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events