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BOSTON MARATHON 2023

hyerin Lee

Bib: 15585•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 17%
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
7:33/mi
23:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
46:09
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:08:20
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:30:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:35:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:53:49
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:17:16
↑ 181↓ 1480.2%
20M
7:30/mi
2:27:27
↑ 64↓ 500.2%
21M
7:55/mi
2:35:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:40:45
↑ 17↓ 861.7%
23M
7:26/mi
2:50:03
↑ 23↓ 630.6%
24M
7:13/mi
2:57:16
↓ 821.3%
40K· 24.85 mi
7:21/mi
3:03:33
↓ 200.3%
25.2M
7:53/mi
3:06:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:21/mi
3:13:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:50
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:37:55
Pace7:28 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1123:277:3323:27
7:33
-
10K
6.21 mi11:15:5346:097:2622:42
7:18
-0:15
15K
9.32 mi11:38:041:08:207:2022:11
7:08
-0:10
20K
12.43 mi12:00:421:30:587:1922:38
7:17
+0:09
Half
13.11 mi12:05:341:35:507:194:52
7:08
-0:09
25K
15.53 mi12:23:331:53:497:2017:59
7:25
+0:17
30K
18.64 mi12:47:002:17:167:2223:27
7:33
+0:08
20M
20.00 mi12:57:112:27:277:2210:11
7:30
-0:03
21M
21.00 mi13:05:062:35:227:247:55
7:55
+0:25
35K
21.75 mi13:10:292:40:457:235:23
7:12
-0:43
23M
23.00 mi13:19:472:50:037:249:18
7:26
+0:14
24M
24.00 mi13:27:002:57:167:237:13
7:13
-0:13
40K
24.85 mi13:33:173:03:337:236:17
7:21
+0:08
25.2M
25.20 mi13:36:003:06:167:232:43
7:53
+0:32
Finish
26.22 mi13:43:293:13:457:247:29
7:21
-0:32

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

7:08 /mi

Average Pace

7:24 /mi

Slowest Pace

7:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:07

95% of race

Time at Steady Pace

10:38

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi10:53:1123:277:3323:27
7:33
#10062
10K
6.21 mi11:15:5346:097:2622:42
7:18
#9395
15K
9.32 mi11:38:041:08:207:2022:11
7:08
#8700
20K
12.43 mi12:00:421:30:587:1922:38
7:17
#8392
Half
13.11 mi12:05:341:35:507:194:52
7:08
#8337
25K
15.53 mi12:23:331:53:497:2017:59
7:25
#8276
30K
18.64 mi12:47:002:17:167:2223:27
7:33
#8107
20M
20.00 mi12:57:112:27:277:2210:11
7:30
#7952
21M
21.00 mi13:05:062:35:227:247:55
7:55
#7849
35K
21.75 mi13:10:292:40:457:235:23
7:12
#7789
23M
23.00 mi13:19:472:50:037:249:18
7:26
#7639
24M
24.00 mi13:27:002:57:167:237:13
7:13
#7520
40K
24.85 mi13:33:173:03:337:236:17
7:21
#7433
25.2M
25.20 mi13:36:003:06:167:232:43
7:53
#7408
Finish
26.22 mi13:43:293:13:457:247:29
7:21
#7371
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10062188718877417(Top 28%)869(Top 8%)869(Top 18%)
10K6.21 mi3.10 mi9395+6671568+3191568+3198905(Top 33%)1369(Top 12%)1369(Top 28%)
15K9.32 mi3.11 mi8700+6951307+2611307+2617417(Top 28%)869(Top 8%)869(Top 18%)
20K12.43 mi3.11 mi8392+3081192+1151192+1157686(Top 29%)995(Top 9%)995(Top 20%)
Half13.11 mi0.68 mi8337+551177+151177+157453(Top 28%)910(Top 8%)910(Top 19%)
25K15.53 mi2.42 mi8276+611180-31180-38172(Top 31%)1241(Top 11%)1241(Top 25%)
30K18.64 mi3.11 mi8107+1691158+221158+227570(Top 28%)1129(Top 10%)1129(Top 23%)
20M20.00 mi1.36 mi7952+1551112+461112+466766(Top 25%)945(Top 8%)945(Top 19%)
21M21.00 mi1.00 mi7849+1031088+241088+246860(Top 26%)1079(Top 9%)1079(Top 22%)
35K21.75 mi0.75 mi7789+601074+141074+146542(Top 25%)935(Top 8%)935(Top 19%)
23M23.00 mi1.25 mi7639+1501048+261048+266050(Top 23%)833(Top 7%)833(Top 17%)
24M24.00 mi1.00 mi7520+1191035+131035+135870(Top 22%)850(Top 7%)850(Top 17%)
40K24.85 mi0.85 mi7433+871034+11034+15788(Top 22%)905(Top 8%)905(Top 19%)
25.2M25.20 mi0.35 mi7408+251030+41030+45875(Top 22%)1006(Top 9%)1006(Top 21%)
Finish26.22 mi1.02 mi7371+371036-61036-67421(Top 28%)1589(Top 14%)1589(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7417

Females

869

F18-39

869

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8905

Females

1369

F18-39

1369

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7417

Females

869

F18-39

869

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7686

Females

995

F18-39

995

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7453

Females

910

F18-39

910

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8172

Females

1241

F18-39

1241

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7570

Females

1129

F18-39

1129

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6766

Females

945

F18-39

945

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6860

Females

1079

F18-39

1079

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6542

Females

935

F18-39

935

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6050

Females

833

F18-39

833

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5870

Females

850

F18-39

850

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5788

Females

905

F18-39

905

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5875

Females

1006

F18-39

1006

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7421

Females

1589

F18-39

1589

Passing Analysis

Category:
Athletes Passed
3084*
Passed By
393
Net Change
+2691
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10062
5K → 10K745*78+667#10062#9395
10K → 15K7016+695#9395#8700
15K → 20K32416+308#8700#8392
20K → Half605+55#8392#8337
Half → 25K13877+61#8337#8276
25K → 30K21849+169#8276#8107
30K → 20M16611+155#8107#7952
20M → 21M13128+103#7952#7849
21M → 35K7212+60#7849#7789
35K → 23M16414+150#7789#7639
23M → 24M13213+119#7639#7520
24M → 40K10619+87#7520#7433
40K → 25.2M3712+25#7433#7408
25.2M → Finish9053+37#7408#7371
TOTALS3084*393+2691

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing