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BOSTON MARATHON 2023

Mingdi Zhao

Bib: 19449•F

MB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Masters (Masters Women)
#0 / 6539
Top 21%
Division (F50-54)
#0 / 1207
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:17
Rank: #14991
Start → 5K
25:17 | 8:08/mi
10K· 6.21 mi
50:05
Rank: #14825 (+166)
5K → 10K
24:48 | 7:59/mi
15K· 9.32 mi
1:15:00
Rank: #14718 (+107)
10K → 15K
24:55 | 8:01/mi
20K· 12.43 mi
1:40:22
Rank: #14701 (+17)
15K → 20K
25:22 | 8:10/mi
Half· 13.11 mi
1:45:50
Rank: #14673 (+28)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:05:35
Rank: #14536 (+137)
Half → 25K
19:45 | 8:09/mi
30K· 18.64 mi
2:31:32
Rank: #14325 (+211)
25K → 30K
25:57 | 8:21/mi
20M
2:42:53
Rank: #14186 (+139)
30K → 20M
11:21 | 8:21/mi
21M
2:51:42
Rank: #14037 (+149)
20M → 21M
8:49 | 8:49/mi
35K· 21.75 mi
2:57:41
Rank: #13946 (+91)
21M → 35K
5:59 | 8:00/mi
23M
3:08:08
Rank: #13810 (+136)
35K → 23M
10:27 | 8:21/mi
24M
3:16:11
Rank: #13694 (+116)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:23:13
Rank: #13591 (+103)
24M → 40K
7:02 | 8:14/mi
25.2M
3:26:19
Rank: #13556 (+35)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:34:17
Rank: #13424 (+132)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:50
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:48:27
Pace8:16 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0925:178:0825:17
8:08
-
10K
6.21 mi11:40:5750:058:0424:48
7:59
-0:09
15K
9.32 mi12:05:521:15:008:0324:55
8:01
+0:02
20K
12.43 mi12:31:141:40:228:0525:22
8:10
+0:09
Half
13.11 mi12:36:421:45:508:045:28
8:01
-0:09
25K
15.53 mi12:56:272:05:358:0519:45
8:09
+0:08
30K
18.64 mi13:22:242:31:328:0825:57
8:21
+0:12
20M
20.00 mi13:33:452:42:538:0911:21
8:21
0:00
21M
21.00 mi13:42:342:51:428:118:49
8:49
+0:28
35K
21.75 mi13:48:332:57:418:105:59
8:00
-0:49
23M
23.00 mi13:59:003:08:088:1110:27
8:21
+0:21
24M
24.00 mi14:07:033:16:118:108:03
8:03
-0:18
40K
24.85 mi14:14:053:23:138:117:02
8:14
+0:11
25.2M
25.20 mi14:17:113:26:198:113:06
8:59
+0:45
Finish
26.22 mi14:25:093:34:178:117:58
7:49
-1:10

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

7:49 /mi

Average Pace

8:11 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:22

94% of race

Time at Steady Pace

11:55

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:16:0925:178:0825:17
8:08
#14991
10K
6.21 mi11:40:5750:058:0424:48
7:59
#14825
15K
9.32 mi12:05:521:15:008:0324:55
8:01
#14718
20K
12.43 mi12:31:141:40:228:0525:22
8:10
#14701
Half
13.11 mi12:36:421:45:508:045:28
8:01
#14673
25K
15.53 mi12:56:272:05:358:0519:45
8:09
#14536
30K
18.64 mi13:22:242:31:328:0825:57
8:21
#14325
20M
20.00 mi13:33:452:42:538:0911:21
8:21
#14186
21M
21.00 mi13:42:342:51:428:118:49
8:49
#14037
35K
21.75 mi13:48:332:57:418:105:59
8:00
#13946
23M
23.00 mi13:59:003:08:088:1110:27
8:21
#13810
24M
24.00 mi14:07:033:16:118:108:03
8:03
#13694
40K
24.85 mi14:14:053:23:138:117:02
8:14
#13591
25.2M
25.20 mi14:17:113:26:198:113:06
8:59
#13556
Finish
26.22 mi14:25:093:34:178:117:58
7:49
#13424
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi149914633463314546(Top 55%)4410(Top 39%)4410(Top 365%)
10K6.21 mi3.10 mi14825+1664539+944539+9414690(Top 55%)4473(Top 39%)4473(Top 371%)
15K9.32 mi3.11 mi14718+1074486+534486+5314546(Top 55%)4410(Top 39%)4410(Top 365%)
20K12.43 mi3.11 mi14701+174495-94495-914708(Top 55%)4529(Top 40%)4529(Top 375%)
Half13.11 mi0.68 mi14673+284476+194476+1914509(Top 55%)4378(Top 38%)4378(Top 363%)
25K15.53 mi2.42 mi14536+1374422+544422+5413852(Top 52%)4128(Top 36%)4128(Top 342%)
30K18.64 mi3.11 mi14325+2114346+764346+7613366(Top 50%)3955(Top 35%)3955(Top 328%)
20M20.00 mi1.36 mi14186+1394282+644282+6412729(Top 48%)3700(Top 32%)3700(Top 307%)
21M21.00 mi1.00 mi14037+1494206+764206+7612392(Top 47%)3628(Top 32%)3628(Top 301%)
35K21.75 mi0.75 mi13946+914165+414165+4112168(Top 46%)3531(Top 31%)3531(Top 293%)
23M23.00 mi1.25 mi13810+1364106+594106+5912246(Top 46%)3657(Top 32%)3657(Top 303%)
24M24.00 mi1.00 mi13694+1164061+454061+4511621(Top 44%)3399(Top 30%)3399(Top 282%)
40K24.85 mi0.85 mi13591+1034016+454016+4511579(Top 43%)3457(Top 30%)3457(Top 286%)
25.2M25.20 mi0.35 mi13556+354002+144002+1412535(Top 47%)3994(Top 35%)3994(Top 331%)
Finish26.22 mi1.02 mi13424+1323949+533949+5310849(Top 41%)3123(Top 27%)3123(Top 259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14546

Females

4410

F50-54

4410

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14690

Females

4473

F50-54

4473

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14546

Females

4410

F50-54

4410

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14708

Females

4529

F50-54

4529

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14509

Females

4378

F50-54

4378

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13852

Females

4128

F50-54

4128

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13366

Females

3955

F50-54

3955

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12729

Females

3700

F50-54

3700

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12392

Females

3628

F50-54

3628

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12168

Females

3531

F50-54

3531

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12246

Females

3657

F50-54

3657

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11621

Females

3399

F50-54

3399

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11579

Females

3457

F50-54

3457

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12535

Females

3994

F50-54

3994

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10849

Females

3123

F50-54

3123

Passing Analysis

Category:
Athletes Passed
2414
Passed By
847
Net Change
+1567
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14991
5K → 10K379213+166#14991#14825
10K → 15K241134+107#14825#14718
15K → 20K193176+17#14718#14701
20K → Half4618+28#14701#14673
Half → 25K21477+137#14673#14536
25K → 30K28776+211#14536#14325
30K → 20M16526+139#14325#14186
20M → 21M17526+149#14186#14037
21M → 35K10211+91#14037#13946
35K → 23M15822+136#13946#13810
23M → 24M13115+116#13810#13694
24M → 40K12421+103#13694#13591
40K → 25.2M4611+35#13591#13556
25.2M → Finish15321+132#13556#13424
TOTALS2414847+1567
📊

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