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BOSTON MARATHON 2023

Michelle Park

Bib: 19125•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 32%
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
8:39/mi
26:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:31/mi
53:19
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:19:55
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:47:19
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:53:15
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:15:02
↑ 66↓ 880.2%
30K· 18.64 mi
9:21/mi
2:44:05
↑ 181↓ 1480.2%
20M
9:16/mi
2:56:40
↑ 64↓ 500.2%
21M
10:05/mi
3:06:45
↑ 106↓ 241.6%
35K· 21.75 mi
9:25/mi
3:13:48
↑ 17↓ 861.7%
23M
9:26/mi
3:25:37
↑ 23↓ 630.6%
24M
8:50/mi
3:34:27
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:42:20
↓ 200.3%
25.2M
9:31/mi
3:45:37
↑ 13↓ 160.2%
Finish· 26.22 mi
8:26/mi
3:54:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:15
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:00:58
Pace9:14 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4026:528:3926:52
8:39
-
10K
6.21 mi11:45:0753:198:3526:27
8:31
-0:08
15K
9.32 mi12:11:431:19:558:3426:36
8:34
+0:03
20K
12.43 mi12:39:071:47:198:3827:24
8:49
+0:15
Half
13.11 mi12:45:031:53:158:385:56
8:42
-0:07
25K
15.53 mi13:06:502:15:028:4221:47
8:59
+0:17
30K
18.64 mi13:35:532:44:058:4829:03
9:21
+0:22
20M
20.00 mi13:48:282:56:408:5012:35
9:16
-0:05
21M
21.00 mi13:58:333:06:458:5410:05
10:05
+0:49
35K
21.75 mi14:05:363:13:488:557:03
9:25
-0:40
23M
23.00 mi14:17:253:25:378:5611:49
9:26
+0:01
24M
24.00 mi14:26:153:34:278:568:50
8:50
-0:36
40K
24.85 mi14:34:083:42:208:577:53
9:13
+0:23
25.2M
25.20 mi14:37:253:45:378:573:17
9:31
+0:18
Finish
26.22 mi14:46:013:54:138:568:36
8:26
-1:05

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

8:26 /mi

Average Pace

8:56 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:56

74% of race

Time at Steady Pace

51:12

22% of race

Time at Slower Pace

10:05

4% of race

Average Pace: 8:56 /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 mi11:18:4026:528:3926:52
8:39
#18556
10K
6.21 mi11:45:0753:198:3526:27
8:31
#18417
15K
9.32 mi12:11:431:19:558:3426:36
8:34
#18326
20K
12.43 mi12:39:071:47:198:3827:24
8:49
#18420
Half
13.11 mi12:45:031:53:158:385:56
8:42
#18442
25K
15.53 mi13:06:502:15:028:4221:47
8:59
#18531
30K
18.64 mi13:35:532:44:058:4829:03
9:21
#18600
20M
20.00 mi13:48:282:56:408:5012:35
9:16
#18523
21M
21.00 mi13:58:333:06:458:5410:05
10:05
#18507
35K
21.75 mi14:05:363:13:488:557:03
9:25
#18549
23M
23.00 mi14:17:253:25:378:5611:49
9:26
#18518
24M
24.00 mi14:26:153:34:278:568:50
8:50
#18426
40K
24.85 mi14:34:083:42:208:577:53
9:13
#18376
25.2M
25.20 mi14:37:253:45:378:573:17
9:31
#18334
Finish
26.22 mi14:46:013:54:138:568:36
8:26
#18213
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi185566907690718220(Top 68%)6627(Top 58%)6627(Top 813%)
10K6.21 mi3.10 mi18417+1396773+1346773+13418349(Top 69%)6686(Top 59%)6686(Top 820%)
15K9.32 mi3.11 mi18326+916707+666707+6618220(Top 68%)6627(Top 58%)6627(Top 813%)
20K12.43 mi3.11 mi18420-946763-566763-5618792(Top 71%)6961(Top 61%)6961(Top 854%)
Half13.11 mi0.68 mi18442-226770-76770-718955(Top 71%)7054(Top 62%)7054(Top 866%)
25K15.53 mi2.42 mi18531-896849-796849-7918876(Top 71%)7059(Top 62%)7059(Top 866%)
30K18.64 mi3.11 mi18600-696923-746923-7418830(Top 71%)7095(Top 62%)7095(Top 871%)
20M20.00 mi1.36 mi18523+776883+406883+4017856(Top 67%)6667(Top 58%)6667(Top 818%)
21M21.00 mi1.00 mi18507+166880+36880+318338(Top 69%)6957(Top 61%)6957(Top 854%)
35K21.75 mi0.75 mi18549-426907-276907-2719634(Top 74%)7719(Top 68%)7719(Top 947%)
23M23.00 mi1.25 mi18518+316906+16906+118089(Top 68%)6916(Top 61%)6916(Top 849%)
24M24.00 mi1.00 mi18426+926870+366870+3616430(Top 62%)6050(Top 53%)6050(Top 742%)
40K24.85 mi0.85 mi18376+506854+166854+1617208(Top 65%)6520(Top 57%)6520(Top 800%)
25.2M25.20 mi0.35 mi18334+426834+206834+2015377(Top 58%)5538(Top 48%)5538(Top 680%)
Finish26.22 mi1.02 mi18213+1216774+606774+6015063(Top 57%)5298(Top 46%)5298(Top 650%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18220

Females

6627

F55-59

6627

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18349

Females

6686

F55-59

6686

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18220

Females

6627

F55-59

6627

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18792

Females

6961

F55-59

6961

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18955

Females

7054

F55-59

7054

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18876

Females

7059

F55-59

7059

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18830

Females

7095

F55-59

7095

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17856

Females

6667

F55-59

6667

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18338

Females

6957

F55-59

6957

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19634

Females

7719

F55-59

7719

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18089

Females

6916

F55-59

6916

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16430

Females

6050

F55-59

6050

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17208

Females

6520

F55-59

6520

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15377

Females

5538

F55-59

5538

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15063

Females

5298

F55-59

5298

Passing Analysis

Category:
Athletes Passed
1742
Passed By
1399
Net Change
+343
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18556
5K → 10K414275+139#18556#18417
10K → 15K229138+91#18417#18326
15K → 20K123217-94#18326#18420
20K → Half2547-22#18420#18442
Half → 25K99188-89#18442#18531
25K → 30K150219-69#18531#18600
30K → 20M12952+77#18600#18523
20M → 21M9478+16#18523#18507
21M → 35K3375-42#18507#18549
35K → 23M8958+31#18549#18518
23M → 24M10715+92#18518#18426
24M → 40K7525+50#18426#18376
40K → 25.2M475+42#18376#18334
25.2M → Finish1287+121#18334#18213
TOTALS17421399+343
📊

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