Choowon Sir

Bib: 16407FAge: 31

Mountain View, CA

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F30-34)
#0 / 691
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
11:07/mi
20:08
→ flat
5.34M
11:50/mi
1:01:56
8074
6.15M
12:31/mi
1:12:04
1262.8%
10.54M
12:24/mi
2:06:32
2303610.6%
11.05M
18:37/mi
2:16:02
1726.4%
Finish· 13.11 mi
15:24/mi
2:47:45
971140.2%

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:12:04
Pace11:43 /mi
2nd Half
Distance6.96 mi
Time1:35:41
Pace13:45 /mi
📊Positive Split: 32.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:07:4620:0811:0720:08
11:07
-
5.34M
5.34 mi07:49:341:01:5611:3641:48
11:50
+0:43
6.15M
6.15 mi07:59:421:12:0411:4310:08
12:31
+0:41
10.54M
10.54 mi08:54:102:06:3212:0054:28
12:24
-0:07
11.05M
11.05 mi09:03:402:16:0212:199:30
18:37
+6:13
Finish
13.11 mi09:35:232:47:4512:4831:43
15:24
-3:13

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

11:07 /mi

Average Pace

12:48 /mi

Slowest Pace

18:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:08

12% of race

Time at Steady Pace

1:46:24

63% of race

Time at Slower Pace

41:13

25% of race

Average Pace: 12:48 /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 mi07:07:4620:0811:0720:08
11:07
#5868
5.34M
5.34 mi07:49:341:01:5611:3641:48
11:50
#5887
6.15M
6.15 mi07:59:421:12:0411:4310:08
12:31
#5860
10.54M
10.54 mi08:54:102:06:3212:0054:28
12:24
#5794
11.05M
11.05 mi09:03:402:16:0212:199:30
18:37
#5845
Finish
13.11 mi09:35:232:47:4512:4831:43
15:24
#6097
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.81M1.81 mi1.81 mi586823695345868(Top 83%)2369(Top 76%)534(Top 77%)
5.34M5.34 mi3.53 mi5887-192384-15537-35929(Top 84%)2411(Top 78%)549(Top 79%)
6.15M6.15 mi0.81 mi5860+272365+19536+15651(Top 80%)2246(Top 72%)523(Top 76%)
10.54M10.54 mi4.39 mi5794+662355+10534+25757(Top 81%)2329(Top 75%)534(Top 77%)
11.05M11.05 mi0.51 mi5845-512373-18538-46097(Top 86%)2534(Top 82%)588(Top 85%)
Finish13.11 mi2.06 mi6097-2522522-149575-376685(Top 94%)2906(Top 94%)661(Top 96%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 83%
~flat
+4ft-3ft

Overall

5868

Females

2369

F30-34

535

1.81M→5.34M

1.8 - 5.3 mi

Top 84%
×4story building
+80ft-74ft

Overall

5929

Females

2411

F30-34

550

5.34M→6.15M

5.3 - 6.2 mi

Top 80%
×10story building
+126ft-4ft

Overall

5651

Females

2246

F30-34

524

6.15M→10.54M

6.2 - 10.5 mi

Top 81%
×21story building
+230ft-361ft

Overall

5757

Females

2329

F30-34

535

10.54M→11.05M

10.5 - 11.1 mi

Top 86%
×14story building
+172ft-0ft

Overall

6097

Females

2534

F30-34

589

11.05M→Finish

11.1 - 13.1 mi

Top 94%
×7story building
+97ft-114ft

Overall

6685

Females

2906

F30-34

661

Passing Analysis

Category:
Athletes Passed
480*
Passed By
709
Net Change
-229
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#5868
1.81M5.34M189*208-19#5868#5887
5.34M6.15M7144+27#5887#5860
6.15M10.54M186*120+66#5860#5794
10.54M11.05M1465-51#5794#5845
11.05MFinish20*272-252#5845#6097
TOTALS480*709-229

* 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