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BOSTON MARATHON 2023

Sung In Kim-Vences

Bib: 13555•F

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0:00
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:50/mi
24:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:52/mi
1:13:05
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:38:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:43:47
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:03:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:28:19
↑ 181↓ 1480.2%
20M
8:01/mi
2:39:13
↑ 64↓ 500.2%
21M
8:16/mi
2:47:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:53:12
↑ 17↓ 861.7%
23M
7:54/mi
3:03:05
↑ 23↓ 630.6%
24M
7:50/mi
3:10:55
↓ 821.3%
40K· 24.85 mi
7:43/mi
3:17:31
↓ 200.3%
25.2M
8:07/mi
3:20:19
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:27:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:47
Pace7:55 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:00
Pace7:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0024:217:5024:21
7:50
-
10K
6.21 mi11:17:1848:397:5024:18
7:49
-0:01
15K
9.32 mi11:41:441:13:057:5024:26
7:52
+0:03
20K
12.43 mi12:06:591:38:207:5525:15
8:08
+0:16
Half
13.11 mi12:12:261:43:477:555:27
7:59
-0:09
25K
15.53 mi12:31:492:03:107:5619:23
8:00
+0:01
30K
18.64 mi12:56:582:28:197:5725:09
8:06
+0:06
20M
20.00 mi13:07:522:39:137:5810:54
8:01
-0:05
21M
21.00 mi13:16:082:47:297:598:16
8:16
+0:15
35K
21.75 mi13:21:512:53:127:585:43
7:38
-0:38
23M
23.00 mi13:31:443:03:057:589:53
7:54
+0:16
24M
24.00 mi13:39:343:10:557:577:50
7:50
-0:04
40K
24.85 mi13:46:103:17:317:576:36
7:43
-0:07
25.2M
25.20 mi13:48:583:20:197:572:48
8:07
+0:24
Finish
26.22 mi13:56:263:27:477:567:28
7:20
-0:47

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

7:20 /mi

Average Pace

7:56 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:19

70% of race

Time at Steady Pace

1:01:28

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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
5K
3.11 mi10:53:0024:217:5024:21
7:50
#12738
10K
6.21 mi11:17:1848:397:5024:18
7:49
#12974
15K
9.32 mi11:41:441:13:057:5024:26
7:52
#13047
20K
12.43 mi12:06:591:38:207:5525:15
8:08
#13420
Half
13.11 mi12:12:261:43:477:555:27
7:59
#13451
25K
15.53 mi12:31:492:03:107:5619:23
8:00
#13296
30K
18.64 mi12:56:582:28:197:5725:09
8:06
#12959
20M
20.00 mi13:07:522:39:137:5810:54
8:01
#12710
21M
21.00 mi13:16:082:47:297:598:16
8:16
#12446
35K
21.75 mi13:21:512:53:127:585:43
7:38
#12339
23M
23.00 mi13:31:443:03:057:589:53
7:54
#12133
24M
24.00 mi13:39:343:10:557:577:50
7:50
#12034
40K
24.85 mi13:46:103:17:317:576:36
7:43
#11858
25.2M
25.20 mi13:48:583:20:197:572:48
8:07
#11767
Finish
26.22 mi13:56:263:27:477:567:28
7:20
#11546
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi127383295329513234(Top 50%)3623(Top 32%)3623(Top 74%)
10K6.21 mi3.10 mi12974-2363432-1373432-13713332(Top 50%)3624(Top 32%)3624(Top 74%)
15K9.32 mi3.11 mi13047-733487-553487-5513234(Top 50%)3623(Top 32%)3623(Top 74%)
20K12.43 mi3.11 mi13420-3733732-2453732-24514411(Top 54%)4347(Top 38%)4347(Top 89%)
Half13.11 mi0.68 mi13451-313754-223754-2214271(Top 54%)4215(Top 37%)4215(Top 86%)
25K15.53 mi2.42 mi13296+1553678+763678+7612699(Top 48%)3464(Top 30%)3464(Top 71%)
30K18.64 mi3.11 mi12959+3373523+1553523+15511606(Top 44%)2962(Top 26%)2962(Top 61%)
20M20.00 mi1.36 mi12710+2493405+1183405+11810465(Top 39%)2473(Top 22%)2473(Top 51%)
21M21.00 mi1.00 mi12446+2643265+1403265+1409066(Top 34%)1963(Top 17%)1963(Top 40%)
35K21.75 mi0.75 mi12339+1073217+483217+489614(Top 36%)2199(Top 19%)2199(Top 45%)
23M23.00 mi1.25 mi12133+2063132+853132+859080(Top 34%)2082(Top 18%)2082(Top 43%)
24M24.00 mi1.00 mi12034+993096+363096+3610064(Top 38%)2633(Top 23%)2633(Top 54%)
40K24.85 mi0.85 mi11858+1763012+843012+848150(Top 31%)1814(Top 16%)1814(Top 37%)
25.2M25.20 mi0.35 mi11767+912972+402972+407327(Top 28%)1571(Top 14%)1571(Top 32%)
Finish26.22 mi1.02 mi11546+2212882+902882+907348(Top 28%)1572(Top 14%)1572(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13234

Females

3623

F18-39

3623

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13332

Females

3624

F18-39

3624

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13234

Females

3623

F18-39

3623

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14411

Females

4347

F18-39

4347

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14271

Females

4215

F18-39

4215

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12699

Females

3464

F18-39

3464

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11606

Females

2962

F18-39

2962

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10465

Females

2473

F18-39

2473

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9066

Females

1963

F18-39

1963

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9614

Females

2199

F18-39

2199

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9080

Females

2082

F18-39

2082

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10064

Females

2633

F18-39

2633

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8150

Females

1814

F18-39

1814

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7327

Females

1571

F18-39

1571

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7348

Females

1572

F18-39

1572

Passing Analysis

Category:
Athletes Passed
2587
Passed By
1395
Net Change
+1192
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12738
5K → 10K209445-236#12738#12974
10K → 15K182255-73#12974#13047
15K → 20K84457-373#13047#13420
20K → Half2253-31#13420#13451
Half → 25K21863+155#13451#13296
25K → 30K38851+337#13296#12959
30K → 20M2589+249#12959#12710
20M → 21M2717+264#12710#12446
21M → 35K1136+107#12446#12339
35K → 23M21711+206#12339#12133
23M → 24M12324+99#12133#12034
24M → 40K1793+176#12034#11858
40K → 25.2M921+91#11858#11767
25.2M → Finish23110+221#11767#11546
TOTALS25871395+1192
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing