Ruby Chang

Rockville, MD

Bib: 14400 F 66

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Top 43%
Masters (Masters Women)
#0 / 776
Top 31%
Division (F65-69)
#0 / 22
Top 9%
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
10:24/mi
18:49
→ flat
12 ft elev
5.34M
10:48/mi
56:56
8074
19 ft elev
6.15M
11:17/mi
1:06:04
1262.8%
149 ft elev
10.54M
10:32/mi
1:52:18
2303610.6%
20 ft elev
11.05M
14:38/mi
1:59:46
1726.4%
213 ft elev
Finish· 13.11 mi
10:25/mi
2:21:13
971140.2%
205 ft elev
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:06:04
Pace10:45 /mi
2nd Half
Distance6.96 mi
Time1:15:09
Pace10:48 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:56:5018:4910:2418:49
10:24
-
5.34M
5.34 mi07:34:5756:5610:4038:07
10:48
+0:24
6.15M
6.15 mi07:44:051:06:0410:459:08
11:17
+0:29
10.54M
10.54 mi08:30:191:52:1810:3946:14
10:32
-0:45
11.05M
11.05 mi08:37:471:59:4610:507:28
14:38
+4:06
Finish
13.11 mi08:59:142:21:1310:4621:27
10:25
-4:13

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

10:24 /mi

Average Pace

10:46 /mi

Slowest Pace

14:38 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:13:45

95% of race

Time at Slower Pace

7:28

5% of race

Average Pace: 10:46 /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.

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 mi06:56:5018:4910:2418:49
10:24
#4712
5.34M
5.34 mi07:34:5756:5610:4038:07
10:48
#4688
6.15M
6.15 mi07:44:051:06:0410:459:08
11:17
#4651
10.54M
10.54 mi08:30:191:52:1810:3946:14
10:32
#4113
11.05M
11.05 mi08:37:471:59:4610:507:28
14:38
#4071
Finish
13.11 mi08:59:142:21:1310:4621:27
10:25
#3880
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
1.81M1.81 mi1.81 mi4712174434712(Top 66%)1744(Top 56%)3(Top 14%)
5.34M5.34 mi3.53 mi4688+241732+124-14728(Top 67%)1750(Top 56%)5(Top 23%)
6.15M6.15 mi0.81 mi4651+371712+2044492(Top 63%)1629(Top 52%)4(Top 18%)
10.54M10.54 mi4.39 mi4113+5381441+2713+13644(Top 51%)1233(Top 40%)2(Top 9%)
11.05M11.05 mi0.51 mi4071+421422+192+13680(Top 52%)1275(Top 41%)3(Top 14%)
Finish13.11 mi2.06 mi3880+1911348+7423015(Top 42%)1013(Top 33%)3(Top 14%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 66%
~flat
+4ft-3ft

Overall

4712

Females

1744

F65-69

3

1.81M→5.34M

1.8 - 5.3 mi

Top 67%
×4story building
+80ft-74ft

Overall

4728

Females

1750

F65-69

5

5.34M→6.15M

5.3 - 6.2 mi

Top 63%
×10story building
+126ft-4ft

Overall

4492

Females

1629

F65-69

4

6.15M→10.54M

6.2 - 10.5 mi

Top 51%
×21story building
+230ft-361ft

Overall

3644

Females

1233

F65-69

2

10.54M→11.05M

10.5 - 11.1 mi

Top 52%
×14story building
+172ft-0ft

Overall

3680

Females

1275

F65-69

3

11.05M→Finish

11.1 - 13.1 mi

Top 42%
×7story building
+97ft-114ft

Overall

3015

Females

1013

F65-69

3

Passing Analysis

Category:
Athletes Passed
1216*
Passed By
384
Net Change
+832
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#4712
1.81M5.34M286*262+24#4712#4688
5.34M6.15M8952+37#4688#4651
6.15M10.54M563*25+538#4651#4113
10.54M11.05M7533+42#4113#4071
11.05MFinish203*12+191#4071#3880
TOTALS1216*384+832

* 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

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