Chao Ching Chang

Bib: 9502FAge: 24

New York, NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6072
Top 10%
Gender (Female)
#0 / 2732
Top 5%
F20-29
#0 / 376
Top 6%
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
1.40M
10:29
Rank: #451
Start1.40M
10:29 | 7:29/mi
2.13M
21:42
Rank: #472 (-21)
1.40M2.13M
11:13 | 15:22/mi
6.43M
1:02:50
Rank: #501 (-29)
2.13M6.43M
41:08 | 9:34/mi
6.62M
57:37
Rank: #513 (-12)
6.43M6.62M
| -28:-26/mi
10.65M
1:30:43
Rank: #561 (-48)
6.62M10.65M
33:06 | 8:13/mi
Finish· 13.11 mi
1:50:35
Rank: #617 (-56)
10.65MFinish
19:52 | 8:05/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time57:37
Pace8:42 /mi
2nd Half✓ Faster
Distance6.49 mi
Time52:58
Pace8:10 /mi
📊Negative Split: 8.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:41:1310:297:2910:29
7:29
-
2.13M
2.13 mi06:52:2621:4210:1111:13
15:22
+7:53
6.43M
6.43 mi07:33:341:02:509:4641:08
9:34
-5:48
6.62M
6.62 mi07:28:2157:378:42
-28:-26
-38:00
10.65M
10.65 mi08:01:271:30:438:3133:06
8:13
+36:39
Finish
13.11 mi08:21:191:50:358:2619:52
8:05
-0:08

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

-29:-26 /mi

Average Pace

8:26 /mi

Slowest Pace

15:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:35

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:26 /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
1.40M
1.40 mi06:41:1310:297:2910:29
7:29
#451
2.13M
2.13 mi06:52:2621:4210:1111:13
15:22
#472
6.43M
6.43 mi07:33:341:02:509:4641:08
9:34
#501
6.62M
6.62 mi07:28:2157:378:42
-28:-26
#513
10.65M
10.65 mi08:01:271:30:438:3133:06
8:13
#561
Finish
13.11 mi08:21:191:50:358:2619:52
8:05
#617
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.40M1.40 mi1.40 mi4518812451(Top 7%)88(Top 3%)12(Top 3%)
2.13M2.13 mi0.73 mi472-2190-212557(Top 9%)130(Top 5%)21(Top 6%)
6.43M6.43 mi4.30 mi501-29104-1417-5562(Top 9%)126(Top 5%)21(Top 6%)
6.62M6.62 mi0.19 mi513-1210416+1---
10.65M10.65 mi4.03 mi561-48111-717-1739(Top 12%)159(Top 6%)27(Top 7%)
Finish13.11 mi2.46 mi617-56131-2022-51095(Top 18%)281(Top 10%)52(Top 14%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 7%
~flat
+3ft-2ft

Overall

451

Females

88

F20-24

12

1.40M→2.13M

1.4 - 2.1 mi

Top 9%
~flat
+3ft-1ft

Overall

557

Females

130

F20-24

21

2.13M→6.43M

2.1 - 6.4 mi

Top 9%
×17stories
+274ft-78ft

Overall

562

Females

126

F20-24

21

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 12%
×21stories
+153ft-361ft

Overall

739

Females

159

F20-24

27

10.65M→Finish

10.7 - 13.1 mi

Top 18%
×17stories
+244ft-114ft

Overall

1095

Females

281

F20-24

52

Passing Analysis

Category:
Athletes Passed
135*
Passed By
301
Net Change
-166
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#451
1.40M2.13M3556-21#451#472
2.13M6.43M4574-29#472#501
6.43M6.62M1527-12#501#513
6.62M10.65M25*73-48#513#561
10.65MFinish15*71-56#561#617
TOTALS135*301-166

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

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events