Nelly Chung

Bib: 12867FAge: 48

Carlsbad, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Top 39%
Masters (Masters Women)
#0 / 776
Top 27%
Division (F45-49)
#0 / 169
Top 34%
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
9:42/mi
17:34
→ flat
5.34M
9:52/mi
52:25
8074
6.15M
10:37/mi
1:01:01
1262.8%
10.54M
10:27/mi
1:46:55
2303610.6%
11.05M
15:23/mi
1:54:46
1726.4%
Finish· 13.11 mi
11:37/mi
2:18:42
971140.2%

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:01:01
Pace9:55 /mi
2nd Half
Distance6.96 mi
Time1:17:41
Pace11:10 /mi
📊Positive Split: 27.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:55:2217:349:4217:34
9:42
-
5.34M
5.34 mi07:30:1352:259:4934:51
9:52
+0:10
6.15M
6.15 mi07:38:491:01:019:558:36
10:37
+0:45
10.54M
10.54 mi08:24:431:46:5510:0945:54
10:27
-0:10
11.05M
11.05 mi08:32:341:54:4610:237:51
15:23
+4:56
Finish
13.11 mi08:56:302:18:4210:3523:56
11:37
-3:46

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

9:42 /mi

Average Pace

10:35 /mi

Slowest Pace

15:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:46:55

77% of race

Time at Slower Pace

31:47

23% of race

Average Pace: 10:35 /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 mi06:55:2217:349:4217:34
9:42
#3299
5.34M
5.34 mi07:30:1352:259:4934:51
9:52
#3215
6.15M
6.15 mi07:38:491:01:019:558:36
10:37
#3254
10.54M
10.54 mi08:24:431:46:5510:0945:54
10:27
#3348
11.05M
11.05 mi08:32:341:54:4610:237:51
15:23
#3403
Finish
13.11 mi08:56:302:18:4210:3523:56
11:37
#3600
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
1.81M1.81 mi1.81 mi32991040473299(Top 46%)1040(Top 33%)47(Top 28%)
5.34M5.34 mi3.53 mi3215+841010+3046+13252(Top 46%)1027(Top 33%)46(Top 27%)
6.15M6.15 mi0.81 mi3254-391031-2145+13589(Top 51%)1191(Top 38%)51(Top 30%)
10.54M10.54 mi4.39 mi3348-941078-4751-63540(Top 50%)1181(Top 38%)58(Top 34%)
11.05M11.05 mi0.51 mi3403-551107-2953-24200(Top 59%)1532(Top 49%)73(Top 43%)
Finish13.11 mi2.06 mi3600-1971210-10357-44563(Top 64%)1777(Top 57%)87(Top 51%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 46%
~flat
+4ft-3ft

Overall

3299

Females

1040

F45-49

47

1.81M→5.34M

1.8 - 5.3 mi

Top 46%
×4story building
+80ft-74ft

Overall

3252

Females

1027

F45-49

46

5.34M→6.15M

5.3 - 6.2 mi

Top 51%
×10story building
+126ft-4ft

Overall

3589

Females

1191

F45-49

51

6.15M→10.54M

6.2 - 10.5 mi

Top 50%
×21story building
+230ft-361ft

Overall

3540

Females

1181

F45-49

58

10.54M→11.05M

10.5 - 11.1 mi

Top 59%
×14story building
+172ft-0ft

Overall

4200

Females

1532

F45-49

73

11.05M→Finish

11.1 - 13.1 mi

Top 64%
×7story building
+97ft-114ft

Overall

4563

Females

1777

F45-49

87

Passing Analysis

Category:
Athletes Passed
492*
Passed By
793
Net Change
-301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#3299
1.81M5.34M273*189+84#3299#3215
5.34M6.15M4584-39#3215#3254
6.15M10.54M124*218-94#3254#3348
10.54M11.05M2378-55#3348#3403
11.05MFinish27*224-197#3403#3600
TOTALS492*793-301

* 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