Jianfeng Sun

Bib: 20168 F 54 US

Los Angeles, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 41%
Gender (Female)
#0 / 2930
Top 28%
Masters (Masters Women)
#0 / 781
Top 21%
Division (F50-54)
#0 / 143
Top 24%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
9:36/mi
19:13
→ flat
12 ft elev
4M
9:39/mi
38:30
6769
10 ft elev
6M
10:21/mi
59:12
1231.1%
126 ft elev
8M
11:55/mi
1:23:03
166531.1%
246 ft elev
9.6M
7:45/mi
1:35:27
681931.5%
126 ft elev
10M
17:31/mi
1:42:27
241.1%
90 ft elev
10.5M
4:26/mi
1:44:40
732.7%
18 ft elev
12M
14:27/mi
2:06:20
2803.2%
272 ft elev
Finish· 13.11 mi
9:51/mi
2:17:15
14891.3%
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 6MFaster
Distance6.00 mi
Time59:12
Pace9:52 /mi
2nd Half
Distance7.11 mi
Time1:18:03
Pace10:59 /mi
📊Positive Split: 31.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:09:2419:139:3619:13
9:36
-
4M
4.00 mi07:28:4138:309:3819:17
9:39
+0:03
6M
6.00 mi07:49:2359:129:5220:42
10:21
+0:42
8M
8.00 mi08:13:141:23:0310:2323:51
11:55
+1:34
9.6M
9.60 mi08:25:381:35:279:5712:24
7:45
-4:10
10M
10.00 mi08:32:381:42:2710:157:00
17:31
+9:46
10.5M
10.50 mi08:34:511:44:409:582:13
4:26
-13:05
12M
12.00 mi08:56:312:06:2010:3221:40
14:27
+10:01
Finish
13.11 mi09:07:262:17:1510:2810:55
9:51
-4:36

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

4:26 /mi

Average Pace

10:28 /mi

Slowest Pace

17:31 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:37

11% of race

Time at Steady Pace

1:10:07

51% of race

Time at Slower Pace

52:31

38% of race

Average Pace: 10:28 /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
2M
2.00 mi07:09:2419:139:3619:13
9:36
#2432
4M
4.00 mi07:28:4138:309:3819:17
9:39
#2340
6M
6.00 mi07:49:2359:129:5220:42
10:21
#2568
8M
8.00 mi08:13:141:23:0310:2323:51
11:55
#3168
9.6M
9.60 mi08:25:381:35:279:5712:24
7:45
#2776
10M
10.00 mi08:32:381:42:2710:157:00
17:31
#2665
10.5M
10.50 mi08:34:511:44:409:582:13
4:26
#2637
12M
12.00 mi08:56:312:06:2010:3221:40
14:27
#2697
Finish
13.11 mi09:07:262:17:1510:2810:55
9:51
#2666
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 30%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:13

Segment Time

10:15/mi

Pace

0.90 mi

Distance

Overall

1946

Women

538

Division

21

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
2M2.00 mi2.00 mi2432697323107(Top 47%)1072(Top 37%)46(Top 32%)
4M4.00 mi2.00 mi2340+92661+3628+42321(Top 35%)649(Top 22%)27(Top 19%)
6M6.00 mi2.00 mi2568-228749-8831-33090(Top 47%)976(Top 33%)43(Top 30%)
8M8.00 mi2.00 mi3168-600997-24840-94488(Top 68%)1635(Top 56%)70(Top 49%)
9.6M9.60 mi1.60 mi2776+392853+14436+41289(Top 20%)428(Top 15%)18(Top 13%)
10M10.00 mi0.40 mi2665+111803+5034+22119(Top 32%)628(Top 21%)28(Top 20%)
10.5M10.50 mi0.50 mi2637+28789+14341683(Top 26%)412(Top 14%)16(Top 11%)
12M12.00 mi1.50 mi2697-60827-38343107(Top 47%)1072(Top 37%)46(Top 32%)
Finish13.11 mi1.11 mi2666+31814+13342674(Top 41%)858(Top 29%)37(Top 26%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 47%
~flat
+5ft-3ft

Overall

3107

Females

1072

F50-54

48

2M→4M

2.0 - 4.0 mi

Top 35%
×4story building
+67ft-69ft

Overall

2321

Females

649

F50-54

28

4M→6M

4.0 - 6.0 mi

Top 47%
×9story building
+123ft-9ft

Overall

3090

Females

976

F50-54

44

6M→8M

6.0 - 8.0 mi

Top 68%
×12story building
+166ft-53ft

Overall

4488

Females

1635

F50-54

72

8M→9.6M

8.0 - 9.6 mi

Top 20%
×13story building
+68ft-193ft

Overall

1289

Females

428

F50-54

20

9.6M→10M

9.6 - 10.0 mi

Top 32%
×2story building
+0ft-24ft

Overall

2119

Females

628

F50-54

29

10M→10.5M

10.0 - 10.5 mi

Top 26%
×6story building
+1ft-73ft

Overall

1683

Females

412

F50-54

16

10.5M→12M

10.5 - 12.0 mi

Top 47%
×21story building
+280ft-26ft

Overall

3107

Females

1072

F50-54

48

12M→Finish

12.0 - 13.1 mi

Top 41%
×7story building
+14ft-89ft

Overall

2674

Females

858

F50-54

37

Passing Analysis

Category:
Athletes Passed
849*
Passed By
1083
Net Change
-234
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2432
2M4M15967+92#2432#2340
4M6M33261-228#2340#2568
6M8M5*605-600#2568#3168
8M9.6M3942+392#3168#2776
9.6M10M1165+111#2776#2665
10M10.5M313+28#2665#2637
10.5M12M58118-60#2637#2697
12MFinish53*22+31#2697#2666
TOTALS849*1083-234

* 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