Yuchen Song

Bib: 17204FAge: 33

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F30-34)
#0 / 651
Race Day Weather
59°/49°F
scattered 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
2M
10:41/mi
21:23
→ flat
4M
11:01/mi
43:25
6769
6M
10:58/mi
1:05:21
1231.1%
8M
12:12/mi
1:29:46
166531.1%
9.6M
8:41/mi
1:43:40
681931.5%
10M
21:04/mi
1:52:05
241.1%
10.5M
5:12/mi
1:54:41
732.7%
12M
16:43/mi
2:19:46
2803.2%
Finish· 13.11 mi
12:26/mi
2:33:33
14891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:05:21
Pace10:54 /mi
2nd Half
Distance7.11 mi
Time1:28:12
Pace12:24 /mi
📊Positive Split: 35.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:02:3821:2310:4121:23
10:41
-
4M
4.00 mi07:24:4043:2510:5122:02
11:01
+0:20
6M
6.00 mi07:46:361:05:2110:5421:56
10:58
-0:03
8M
8.00 mi08:11:011:29:4611:1324:25
12:12
+1:14
9.6M
9.60 mi08:24:551:43:4010:4813:54
8:41
-3:31
10M
10.00 mi08:33:201:52:0511:138:25
21:04
+12:23
10.5M
10.50 mi08:35:561:54:4110:552:36
5:12
-15:52
12M
12.00 mi09:01:012:19:4611:3925:05
16:43
+11:31
Finish
13.11 mi09:14:482:33:3311:4313:47
12:26
-4:17

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

5:12 /mi

Average Pace

11:43 /mi

Slowest Pace

21:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:30

11% of race

Time at Steady Pace

1:43:33

67% of race

Time at Slower Pace

33:30

22% of race

Average Pace: 11:43 /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 mi07:02:3821:2310:4121:23
10:41
#4213
4M
4.00 mi07:24:4043:2510:5122:02
11:01
#4213
6M
6.00 mi07:46:361:05:2110:5421:56
10:58
#4043
8M
8.00 mi08:11:011:29:4611:1324:25
12:12
#4249
9.6M
9.60 mi08:24:551:43:4010:4813:54
8:41
#3877
10M
10.00 mi08:33:201:52:0511:138:25
21:04
#3868
10.5M
10.50 mi08:35:561:54:4110:552:36
5:12
#3866
12M
12.00 mi09:01:012:19:4611:3925:05
16:43
#4046
Finish
13.11 mi09:14:482:33:3311:4313:47
12:26
#4163
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 59%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:01

Segment Time

12:15/mi

Pace

0.90 mi

Distance

Overall

3904

Women

1424

Division

327

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi421315113494681(Top 71%)1860(Top 63%)425(Top 65%)
4M4.00 mi2.00 mi42131514-3346+34221(Top 64%)1527(Top 52%)344(Top 53%)
6M6.00 mi2.00 mi4043+1701417+97326+203856(Top 59%)1345(Top 46%)309(Top 47%)
8M8.00 mi2.00 mi4249-2061507-90352-264770(Top 73%)1784(Top 61%)415(Top 64%)
9.6M9.60 mi1.60 mi3877+3721353+154310+422352(Top 36%)820(Top 28%)172(Top 26%)
10M10.00 mi0.40 mi3868+91357-4316-64081(Top 62%)1533(Top 52%)349(Top 54%)
10.5M10.50 mi0.50 mi3866+21354+3312+43692(Top 56%)1295(Top 44%)285(Top 44%)
12M12.00 mi1.50 mi4046-1801462-108342-304681(Top 71%)1860(Top 63%)425(Top 65%)
Finish13.11 mi1.11 mi4163-1171530-68355-135221(Top 79%)2202(Top 75%)503(Top 77%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 71%
~flat
+5ft-3ft

Overall

4681

Females

1860

F30-34

427

2M→4M

2.0 - 4.0 mi

Top 64%
×4story building
+67ft-69ft

Overall

4221

Females

1527

F30-34

347

4M→6M

4.0 - 6.0 mi

Top 59%
×9story building
+123ft-9ft

Overall

3856

Females

1345

F30-34

311

6M→8M

6.0 - 8.0 mi

Top 73%
×12story building
+166ft-53ft

Overall

4770

Females

1784

F30-34

417

8M→9.6M

8.0 - 9.6 mi

Top 36%
×13story building
+68ft-193ft

Overall

2352

Females

820

F30-34

173

9.6M→10M

9.6 - 10.0 mi

Top 62%
×2story building
+0ft-24ft

Overall

4081

Females

1533

F30-34

351

10M→10.5M

10.0 - 10.5 mi

Top 56%
×6story building
+1ft-73ft

Overall

3692

Females

1295

F30-34

287

10.5M→12M

10.5 - 12.0 mi

Top 71%
×21story building
+280ft-26ft

Overall

4681

Females

1860

F30-34

427

12M→Finish

12.0 - 13.1 mi

Top 79%
×7story building
+14ft-89ft

Overall

5221

Females

2202

F30-34

503

Passing Analysis

Category:
Athletes Passed
1018*
Passed By
968
Net Change
+50
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4213
2M4M1781780#4213#4213
4M6M223*53+170#4213#4043
6M8M84*290-206#4043#4249
8M9.6M38816+372#4249#3877
9.6M10M5748+9#3877#3868
10M10.5M1614+2#3868#3866
10.5M12M38*218-180#3866#4046
12MFinish34*151-117#4046#4163
TOTALS1018*968+50

* 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