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BOSTON MARATHON 2023

Mary Dy

Bib: 15263•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:02
Rank: #11791
Start → 5K
24:02 | 7:44/mi
10K· 6.21 mi
47:49
Rank: #11764 (+27)
5K → 10K
23:47 | 7:39/mi
15K· 9.32 mi
1:11:49
Rank: #11841 (-77)
10K → 15K
24:00 | 7:43/mi
20K· 12.43 mi
1:36:08
Rank: #11841
15K → 20K
24:19 | 7:50/mi
Half· 13.11 mi
1:41:28
Rank: #11901 (-60)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:00:45
Rank: #11940 (-39)
Half → 25K
19:17 | 7:57/mi
30K· 18.64 mi
2:26:23
Rank: #12056 (-116)
25K → 30K
25:38 | 8:15/mi
20M
2:37:40
Rank: #12075 (-19)
30K → 20M
11:17 | 8:18/mi
21M
2:46:27
Rank: #12066 (+9)
20M → 21M
8:47 | 8:47/mi
35K· 21.75 mi
2:52:19
Rank: #12018 (+48)
21M → 35K
5:52 | 7:51/mi
23M
3:02:32
Rank: #11943 (+75)
35K → 23M
10:13 | 8:10/mi
24M
3:10:26
Rank: #11877 (+66)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:17:15
Rank: #11775 (+102)
24M → 40K
6:49 | 7:58/mi
25.2M
3:20:13
Rank: #11739 (+36)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:28:20
Rank: #11733 (+6)
25.2M → Finish
8:07 | 7:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:28
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:46:52
Pace8:09 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5724:027:4424:02
7:44
-
10K
6.21 mi11:17:4447:497:4223:47
7:39
-0:05
15K
9.32 mi11:41:441:11:497:4224:00
7:43
+0:04
20K
12.43 mi12:06:031:36:087:4424:19
7:50
+0:07
Half
13.11 mi12:11:231:41:287:445:20
7:49
-0:01
25K
15.53 mi12:30:402:00:457:4619:17
7:57
+0:08
30K
18.64 mi12:56:182:26:237:5125:38
8:15
+0:18
20M
20.00 mi13:07:352:37:407:5311:17
8:18
+0:03
21M
21.00 mi13:16:222:46:277:568:47
8:47
+0:29
35K
21.75 mi13:22:142:52:197:555:52
7:51
-0:56
23M
23.00 mi13:32:273:02:327:5610:13
8:10
+0:19
24M
24.00 mi13:40:213:10:267:567:54
7:54
-0:16
40K
24.85 mi13:47:103:17:157:566:49
7:58
+0:04
25.2M
25.20 mi13:50:083:20:137:572:58
8:36
+0:38
Finish
26.22 mi13:58:153:28:207:578:07
7:58
-0:38

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

7:39 /mi

Average Pace

7:57 /mi

Slowest Pace

8:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:35

94% of race

Time at Steady Pace

11:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi10:53:5724:027:4424:02
7:44
#11791
10K
6.21 mi11:17:4447:497:4223:47
7:39
#11764
15K
9.32 mi11:41:441:11:497:4224:00
7:43
#11841
20K
12.43 mi12:06:031:36:087:4424:19
7:50
#11841
Half
13.11 mi12:11:231:41:287:445:20
7:49
#11901
25K
15.53 mi12:30:402:00:457:4619:17
7:57
#11940
30K
18.64 mi12:56:182:26:237:5125:38
8:15
#12056
20M
20.00 mi13:07:352:37:407:5311:17
8:18
#12075
21M
21.00 mi13:16:222:46:277:568:47
8:47
#12066
35K
21.75 mi13:22:142:52:197:555:52
7:51
#12018
23M
23.00 mi13:32:273:02:327:5610:13
8:10
#11943
24M
24.00 mi13:40:213:10:267:567:54
7:54
#11877
40K
24.85 mi13:47:103:17:157:566:49
7:58
#11775
25.2M
25.20 mi13:50:083:20:137:572:58
8:36
#11739
Finish
26.22 mi13:58:153:28:207:578:07
7:58
#11733
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi117912747274712061(Top 45%)2929(Top 26%)2929(Top 60%)
10K6.21 mi3.10 mi11764+272741+62741+611851(Top 45%)2786(Top 24%)2786(Top 57%)
15K9.32 mi3.11 mi11841-772806-652806-6512061(Top 45%)2929(Top 26%)2929(Top 60%)
20K12.43 mi3.11 mi118412822-162822-1611975(Top 45%)2958(Top 26%)2958(Top 61%)
Half13.11 mi0.68 mi11901-602856-342856-3412892(Top 48%)3421(Top 30%)3421(Top 70%)
25K15.53 mi2.42 mi11940-392903-472903-4712345(Top 46%)3273(Top 29%)3273(Top 67%)
30K18.64 mi3.11 mi12056-1163005-1023005-10212687(Top 48%)3574(Top 31%)3574(Top 73%)
20M20.00 mi1.36 mi12075-193044-393044-3912391(Top 47%)3509(Top 31%)3509(Top 72%)
21M21.00 mi1.00 mi12066+93046-23046-212170(Top 46%)3491(Top 31%)3491(Top 71%)
35K21.75 mi0.75 mi12018+483035+113035+1111004(Top 41%)2881(Top 25%)2881(Top 59%)
23M23.00 mi1.25 mi11943+753025+103025+1010908(Top 41%)2975(Top 26%)2975(Top 61%)
24M24.00 mi1.00 mi11877+662998+272998+2710557(Top 40%)2864(Top 25%)2864(Top 59%)
40K24.85 mi0.85 mi11775+1022963+352963+359913(Top 37%)2611(Top 23%)2611(Top 53%)
25.2M25.20 mi0.35 mi11739+362956+72956+710236(Top 38%)2816(Top 25%)2816(Top 58%)
Finish26.22 mi1.02 mi11733+62977-212977-2111885(Top 45%)3642(Top 32%)3642(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12061

Females

2929

F18-39

2929

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

11851

Females

2786

F18-39

2786

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12061

Females

2929

F18-39

2929

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

11975

Females

2958

F18-39

2958

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12892

Females

3421

F18-39

3421

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12345

Females

3273

F18-39

3273

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12687

Females

3574

F18-39

3574

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12391

Females

3509

F18-39

3509

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12170

Females

3491

F18-39

3491

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11004

Females

2881

F18-39

2881

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10908

Females

2975

F18-39

2975

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10557

Females

2864

F18-39

2864

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9913

Females

2611

F18-39

2611

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10236

Females

2816

F18-39

2816

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11885

Females

3642

F18-39

3642

Passing Analysis

Category:
Athletes Passed
1657
Passed By
1599
Net Change
+58
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11791
5K → 10K307280+27#11791#11764
10K → 15K162239-77#11764#11841
15K → 20K1651650#11841#11841
20K → Half1272-60#11841#11901
Half → 25K124163-39#11901#11940
25K → 30K157273-116#11940#12056
30K → 20M102121-19#12056#12075
20M → 21M8778+9#12075#12066
21M → 35K6921+48#12066#12018
35K → 23M12449+75#12018#11943
23M → 24M10135+66#11943#11877
24M → 40K11816+102#11877#11775
40K → 25.2M5216+36#11775#11739
25.2M → Finish7771+6#11739#11733
TOTALS16571599+58
📊

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