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BOSTON MARATHON 2024

Zheng Ma

Bib: 13755•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 46%
Masters (Masters Women)
#0 / 6263
Top 36%
Division (F45-49)
#0 / 1753
Top 46%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:38
Rank: #14118
Start → 5K
24:38 | 7:56/mi
10K· 6.21 mi
49:31
Rank: #14191 (-73)
5K → 10K
24:53 | 8:01/mi
15K· 9.32 mi
1:14:35
Rank: #14077 (+114)
10K → 15K
25:04 | 8:04/mi
20K· 12.43 mi
1:40:31
Rank: #13995 (+82)
15K → 20K
25:56 | 8:21/mi
Half· 13.11 mi
1:46:12
Rank: #14027 (-32)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:07:28
Rank: #14074 (-47)
Half → 25K
21:16 | 8:46/mi
30K· 18.64 mi
2:37:05
Rank: #14378 (-304)
25K → 30K
29:37 | 9:32/mi
20M
2:50:32
Rank: #14542 (-164)
30K → 20M
13:27 | 9:54/mi
21M
3:00:40
Rank: #14466 (+76)
20M → 21M
10:08 | 10:08/mi
35K· 21.75 mi
3:07:53
Rank: #14538 (-72)
21M → 35K
7:13 | 9:39/mi
23M
3:20:09
Rank: #14562 (-24)
35K → 23M
12:16 | 9:48/mi
24M
3:29:57
Rank: #14586 (-24)
23M → 24M
9:48 | 9:48/mi
40K· 24.85 mi
3:38:20
Rank: #14551 (+35)
24M → 40K
8:23 | 9:48/mi
25.2M
3:41:58
Rank: #14516 (+35)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:50:54
Rank: #14444 (+72)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:12
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time2:04:42
Pace9:31 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4024:387:5624:38
7:56
-
10K
6.21 mi11:19:3349:317:5824:53
8:01
+0:05
15K
9.32 mi11:44:371:14:358:0025:04
8:04
+0:03
20K
12.43 mi12:10:331:40:318:0525:56
8:21
+0:17
Half
13.11 mi12:16:141:46:128:065:41
8:20
-0:01
25K
15.53 mi12:37:302:07:288:1221:16
8:46
+0:26
30K
18.64 mi13:07:072:37:058:2629:37
9:32
+0:46
20M
20.00 mi13:20:342:50:328:3213:27
9:54
+0:22
21M
21.00 mi13:30:423:00:408:3610:08
10:08
+0:14
35K
21.75 mi13:37:553:07:538:387:13
9:39
-0:29
23M
23.00 mi13:50:113:20:098:4212:16
9:48
+0:09
24M
24.00 mi13:59:593:29:578:459:48
9:48
0:00
40K
24.85 mi14:08:223:38:208:478:23
9:48
0:00
25.2M
25.20 mi14:12:003:41:588:483:38
10:32
+0:44
Finish
26.22 mi14:20:563:50:548:498:56
8:46
-1:46

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

7:56 /mi

Average Pace

8:49 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:24

59% of race

Time at Steady Pace

1:20:44

35% of race

Time at Slower Pace

13:46

6% of race

Average Pace: 8:48 /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 mi10:54:4024:387:5624:38
7:56
#14118
10K
6.21 mi11:19:3349:317:5824:53
8:01
#14191
15K
9.32 mi11:44:371:14:358:0025:04
8:04
#14077
20K
12.43 mi12:10:331:40:318:0525:56
8:21
#13995
Half
13.11 mi12:16:141:46:128:065:41
8:20
#14027
25K
15.53 mi12:37:302:07:288:1221:16
8:46
#14074
30K
18.64 mi13:07:072:37:058:2629:37
9:32
#14378
20M
20.00 mi13:20:342:50:328:3213:27
9:54
#14542
21M
21.00 mi13:30:423:00:408:3610:08
10:08
#14466
35K
21.75 mi13:37:553:07:538:387:13
9:39
#14538
23M
23.00 mi13:50:113:20:098:4212:16
9:48
#14562
24M
24.00 mi13:59:593:29:578:459:48
9:48
#14586
40K
24.85 mi14:08:223:38:208:478:23
9:48
#14551
25.2M
25.20 mi14:12:003:41:588:483:38
10:32
#14516
Finish
26.22 mi14:20:563:50:548:498:56
8:46
#14444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi141184393439313915(Top 54%)4312(Top 39%)4312(Top 246%)
10K6.21 mi3.10 mi14191-734452-594452-5914298(Top 56%)4510(Top 41%)4510(Top 257%)
15K9.32 mi3.11 mi14077+1144389+634389+6313915(Top 54%)4312(Top 39%)4312(Top 246%)
20K12.43 mi3.11 mi13995+824360+294360+2913987(Top 55%)4418(Top 40%)4418(Top 252%)
Half13.11 mi0.68 mi14027-324380-204380-2014825(Top 58%)4938(Top 45%)4938(Top 282%)
25K15.53 mi2.42 mi14074-474451-714451-7114440(Top 57%)4861(Top 44%)4861(Top 277%)
30K18.64 mi3.11 mi14378-3044706-2554706-25515582(Top 61%)5730(Top 52%)5730(Top 327%)
20M20.00 mi1.36 mi14542-1644850-1444850-14416123(Top 63%)6269(Top 57%)6269(Top 358%)
21M21.00 mi1.00 mi14466+764858-84858-813505(Top 53%)5045(Top 46%)5045(Top 288%)
35K21.75 mi0.75 mi14538-724925-674925-6716016(Top 63%)6355(Top 58%)6355(Top 363%)
23M23.00 mi1.25 mi14562-245022-975022-9714741(Top 58%)5791(Top 53%)5791(Top 330%)
24M24.00 mi1.00 mi14586-245070-485070-4815644(Top 61%)6266(Top 57%)6266(Top 357%)
40K24.85 mi0.85 mi14551+355085-155085-1514298(Top 56%)5672(Top 52%)5672(Top 324%)
25.2M25.20 mi0.35 mi14516+355079+65079+612982(Top 51%)5083(Top 47%)5083(Top 290%)
Finish26.22 mi1.02 mi14444+725059+205059+2013004(Top 51%)4972(Top 46%)4972(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

13915

Females

4312

F45-49

4312

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14298

Females

4510

F45-49

4510

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

13915

Females

4312

F45-49

4312

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

13987

Females

4418

F45-49

4418

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

14825

Females

4938

F45-49

4938

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

14440

Females

4861

F45-49

4861

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

15582

Females

5730

F45-49

5730

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16123

Females

6269

F45-49

6269

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

13505

Females

5045

F45-49

5045

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16016

Females

6355

F45-49

6355

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

14741

Females

5791

F45-49

5791

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

15644

Females

6266

F45-49

6266

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14298

Females

5672

F45-49

5672

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

12982

Females

5083

F45-49

5083

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13004

Females

4972

F45-49

4972

Passing Analysis

Category:
Athletes Passed
2063
Passed By
2389
Net Change
-326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14118
5K → 10K258331-73#14118#14191
10K → 15K284170+114#14191#14077
15K → 20K285203+82#14077#13995
20K → Half3971-32#13995#14027
Half → 25K204251-47#14027#14074
25K → 30K193497-304#14074#14378
30K → 20M93257-164#14378#14542
20M → 21M16084+76#14542#14466
21M → 35K58130-72#14466#14538
35K → 23M139163-24#14538#14562
23M → 24M84108-24#14562#14586
24M → 40K10469+35#14586#14551
40K → 25.2M5520+35#14551#14516
25.2M → Finish10735+72#14516#14444
TOTALS20632389-326
📊

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