Ivy Chang

Bib: 14271FAge: 32

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 5177
Gender (Female)
#0 / 2293
Division (F30-34)
#0 / 465
Race Day Weather
56°/46°F
overcast clouds

⏱️ 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
2.13M
13:24/mi
28:33
→ flat
6.62M
11:06/mi
1:18:25
299780.9%
7.12M
14:40/mi
1:25:45
271.0%
10.65M
9:50/mi
2:00:27
1273601.3%
Finish· 13.11 mi
9:38/mi
2:24:08
2441141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:18:25
Pace11:51 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:05:43
Pace10:08 /mi
📊Negative Split: 16.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.13M
2.13 mi07:38:1328:3313:2428:33
13:24
-
6.62M
6.62 mi08:28:051:18:2511:5149:52
11:06
-2:18
7.12M
7.12 mi08:35:251:25:4512:037:20
14:40
+3:34
10.65M
10.65 mi09:10:072:00:2711:1934:42
9:50
-4:50
Finish
13.11 mi09:33:482:24:0811:0023:41
9:38
-0:12

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

9:38 /mi

Average Pace

11:00 /mi

Slowest Pace

14:40 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:23

41% of race

Time at Steady Pace

49:52

35% of race

Time at Slower Pace

35:53

25% of race

Average Pace: 11:00 /mi

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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.

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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
2.13M
2.13 mi07:38:1328:3313:2428:33
13:24
#3604
6.62M
6.62 mi08:28:051:18:2511:5149:52
11:06
#3845
7.12M
7.12 mi08:35:251:25:4512:037:20
14:40
#3784
10.65M
10.65 mi09:10:072:00:2711:1934:42
9:50
#3457
Finish
13.11 mi09:33:482:24:0811:0023:41
9:38
#3297
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2.13M2.13 mi2.13 mi360413782873604(Top 70%)1378(Top 60%)287(Top 62%)
6.62M6.62 mi4.49 mi3845-2411510-132318-313946(Top 76%)1569(Top 68%)326(Top 70%)
7.12M7.12 mi0.50 mi3784+611468+42306+123131(Top 60%)1132(Top 49%)241(Top 52%)
10.65M10.65 mi3.53 mi3457+3271311+157267+392868(Top 55%)1025(Top 45%)210(Top 45%)
Finish13.11 mi2.46 mi3297+1601235+76251+162585(Top 50%)929(Top 41%)181(Top 39%)

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 70%
~flat
+6ft-3ft

Overall

3604

Females

1378

F30-34

289

2.13M→6.62M

2.1 - 6.6 mi

Top 76%
×19story building
+299ft-78ft

Overall

3946

Females

1569

F30-34

327

6.62M→7.12M

6.6 - 7.1 mi

Top 60%
×2story building
+27ft-0ft

Overall

3131

Females

1132

F30-34

242

7.12M→10.65M

7.1 - 10.7 mi

Top 55%
×21story building
+127ft-360ft

Overall

2868

Females

1025

F30-34

210

10.65M→Finish

10.7 - 13.1 mi

Top 50%
×17story building
+244ft-114ft

Overall

2585

Females

929

F30-34

181

Passing Analysis

Category:
Athletes Passed
703*
Passed By
396
Net Change
+307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.13M----#3604
2.13M6.62M108*349-241#3604#3845
6.62M7.12M86*25+61#3845#3784
7.12M10.65M336*9+327#3784#3457
10.65MFinish173*13+160#3457#3297
TOTALS703*396+307

* 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