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BOSTON MARATHON 2023

June Lee

Bib: 19901•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 34%
Division (F60-64)
#0 / 527
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:18
Rank: #17322
Start → 5K
26:18 | 8:28/mi
10K· 6.21 mi
51:44
Rank: #16689 (+633)
5K → 10K
25:26 | 8:11/mi
15K· 9.32 mi
1:17:01
Rank: #16263 (+426)
10K → 15K
25:17 | 8:08/mi
20K· 12.43 mi
1:43:03
Rank: #16226 (+37)
15K → 20K
26:02 | 8:23/mi
Half· 13.11 mi
1:48:33
Rank: #16131 (+95)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:08:43
Rank: #15946 (+185)
Half → 25K
20:10 | 8:19/mi
30K· 18.64 mi
2:35:41
Rank: #15819 (+127)
25K → 30K
26:58 | 8:41/mi
20M
2:47:32
Rank: #15720 (+99)
30K → 20M
11:51 | 8:43/mi
21M
2:57:15
Rank: #15802 (-82)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
3:03:48
Rank: #15806 (-4)
21M → 35K
6:33 | 8:45/mi
23M
3:14:29
Rank: #15651 (+155)
35K → 23M
10:41 | 8:32/mi
24M
3:23:04
Rank: #15612 (+39)
23M → 24M
8:35 | 8:35/mi
40K· 24.85 mi
3:30:18
Rank: #15524 (+88)
24M → 40K
7:14 | 8:28/mi
25.2M
3:33:33
Rank: #15516 (+8)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:42:19
Rank: #15526 (-10)
25.2M → Finish
8:46 | 8:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:33
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:53:46
Pace8:41 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3726:188:2826:18
8:28
-
10K
6.21 mi11:45:0351:448:2025:26
8:11
-0:17
15K
9.32 mi12:10:201:17:018:1625:17
8:08
-0:03
20K
12.43 mi12:36:221:43:038:1826:02
8:23
+0:15
Half
13.11 mi12:41:521:48:338:175:30
8:04
-0:19
25K
15.53 mi13:02:022:08:438:1720:10
8:19
+0:15
30K
18.64 mi13:29:002:35:418:2126:58
8:41
+0:22
20M
20.00 mi13:40:512:47:328:2311:51
8:43
+0:02
21M
21.00 mi13:50:342:57:158:269:43
9:43
+1:00
35K
21.75 mi13:57:073:03:488:276:33
8:45
-0:58
23M
23.00 mi14:07:483:14:298:2710:41
8:32
-0:13
24M
24.00 mi14:16:233:23:048:288:35
8:35
+0:03
40K
24.85 mi14:23:373:30:188:287:14
8:28
-0:07
25.2M
25.20 mi14:26:523:33:338:283:15
9:25
+0:57
Finish
26.22 mi14:35:383:42:198:298:46
8:36
-0:49

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

8:04 /mi

Average Pace

8:29 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:23

34% of race

Time at Steady Pace

2:06:25

57% of race

Time at Slower Pace

19:31

9% of race

Average Pace: 8:29 /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 mi11:19:3726:188:2826:18
8:28
#17322
10K
6.21 mi11:45:0351:448:2025:26
8:11
#16689
15K
9.32 mi12:10:201:17:018:1625:17
8:08
#16263
20K
12.43 mi12:36:221:43:038:1826:02
8:23
#16226
Half
13.11 mi12:41:521:48:338:175:30
8:04
#16131
25K
15.53 mi13:02:022:08:438:1720:10
8:19
#15946
30K
18.64 mi13:29:002:35:418:2126:58
8:41
#15819
20M
20.00 mi13:40:512:47:328:2311:51
8:43
#15720
21M
21.00 mi13:50:342:57:158:269:43
9:43
#15802
35K
21.75 mi13:57:073:03:488:276:33
8:45
#15806
23M
23.00 mi14:07:483:14:298:2710:41
8:32
#15651
24M
24.00 mi14:16:233:23:048:288:35
8:35
#15612
40K
24.85 mi14:23:373:30:188:287:14
8:28
#15524
25.2M
25.20 mi14:26:523:33:338:283:15
9:25
#15516
Finish
26.22 mi14:35:383:42:198:298:46
8:36
#15526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi173226141614115433(Top 58%)4936(Top 43%)4936(Top 937%)
10K6.21 mi3.10 mi16689+6335702+4395702+43916165(Top 61%)5380(Top 47%)5380(Top 1021%)
15K9.32 mi3.11 mi16263+4265447+2555447+25515433(Top 58%)4936(Top 43%)4936(Top 937%)
20K12.43 mi3.11 mi16226+375438+95438+916126(Top 61%)5428(Top 48%)5428(Top 1030%)
Half13.11 mi0.68 mi16131+955392+465392+4614941(Top 56%)4661(Top 41%)4661(Top 884%)
25K15.53 mi2.42 mi15946+1855302+905302+9015080(Top 57%)4896(Top 43%)4896(Top 929%)
30K18.64 mi3.11 mi15819+1275263+395263+3915405(Top 58%)5171(Top 45%)5171(Top 981%)
20M20.00 mi1.36 mi15720+995221+425221+4215008(Top 56%)4997(Top 44%)4997(Top 948%)
21M21.00 mi1.00 mi15802-825301-805301-8016920(Top 64%)6136(Top 54%)6136(Top 1164%)
35K21.75 mi0.75 mi15806-45318-175318-1716721(Top 63%)6109(Top 53%)6109(Top 1159%)
23M23.00 mi1.25 mi15651+1555257+615257+6113465(Top 51%)4328(Top 38%)4328(Top 821%)
24M24.00 mi1.00 mi15612+395249+85249+814987(Top 56%)5225(Top 46%)5225(Top 991%)
40K24.85 mi0.85 mi15524+885204+455204+4513123(Top 49%)4279(Top 37%)4279(Top 812%)
25.2M25.20 mi0.35 mi15516+85204520414874(Top 56%)5232(Top 46%)5232(Top 993%)
Finish26.22 mi1.02 mi15526-105222-185222-1816013(Top 60%)5814(Top 51%)5814(Top 1103%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15433

Females

4936

F60-64

4936

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16165

Females

5380

F60-64

5380

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15433

Females

4936

F60-64

4936

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16126

Females

5428

F60-64

5428

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14941

Females

4661

F60-64

4661

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15080

Females

4896

F60-64

4896

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15405

Females

5171

F60-64

5171

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15008

Females

4997

F60-64

4997

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

16920

Females

6136

F60-64

6136

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16721

Females

6109

F60-64

6109

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13465

Females

4328

F60-64

4328

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14987

Females

5225

F60-64

5225

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13123

Females

4279

F60-64

4279

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14874

Females

5232

F60-64

5232

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16013

Females

5814

F60-64

5814

Passing Analysis

Category:
Athletes Passed
2694
Passed By
898
Net Change
+1796
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17322
5K → 10K747114+633#17322#16689
10K → 15K48963+426#16689#16263
15K → 20K184147+37#16263#16226
20K → Half1027+95#16226#16131
Half → 25K22843+185#16131#15946
25K → 30K234107+127#15946#15819
30K → 20M14243+99#15819#15720
20M → 21M62144-82#15720#15802
21M → 35K4953-4#15802#15806
35K → 23M16712+155#15806#15651
23M → 24M8142+39#15651#15612
24M → 40K10921+88#15612#15524
40K → 25.2M3224+8#15524#15516
25.2M → Finish6878-10#15516#15526
TOTALS2694898+1796
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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