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BOSTON MARATHON 2024

Li Zhang

Bib: 19418•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 49%
Masters (Masters Women)
#0 / 6263
Top 40%
Division (F50-54)
#0 / 1187
Top 35%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:58
Rank: #16997
Start → 5K
25:58 | 8:21/mi
10K· 6.21 mi
51:36
Rank: #16381 (+616)
5K → 10K
25:38 | 8:15/mi
15K· 9.32 mi
1:17:55
Rank: #16282 (+99)
10K → 15K
26:19 | 8:28/mi
20K· 12.43 mi
1:45:34
Rank: #16399 (-117)
15K → 20K
27:39 | 8:54/mi
Half· 13.11 mi
1:51:31
Rank: #16422 (-23)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:13:34
Rank: #16280 (+142)
Half → 25K
22:03 | 9:06/mi
30K· 18.64 mi
2:42:13
Rank: #15909 (+371)
25K → 30K
28:39 | 9:13/mi
20M
2:55:26
Rank: #15882 (+27)
30K → 20M
13:13 | 9:44/mi
21M
3:05:19
Rank: #15694 (+188)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
3:11:54
Rank: #15549 (+145)
21M → 35K
6:35 | 8:48/mi
23M
3:23:38
Rank: #15377 (+172)
35K → 23M
11:44 | 9:22/mi
24M
3:32:53
Rank: #15290 (+87)
23M → 24M
9:15 | 9:15/mi
40K· 24.85 mi
3:41:08
Rank: #15208 (+82)
24M → 40K
8:15 | 9:39/mi
25.2M
3:44:39
Rank: #15119 (+89)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:53:46
Rank: #15053 (+66)
25.2M → Finish
9:07 | 8:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:31
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time2:02:15
Pace9:20 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3525:588:2125:58
8:21
-
10K
6.21 mi11:47:1351:368:1825:38
8:15
-0:06
15K
9.32 mi12:13:321:17:558:2226:19
8:28
+0:13
20K
12.43 mi12:41:111:45:348:3027:39
8:54
+0:26
Half
13.11 mi12:47:081:51:318:305:57
8:43
-0:11
25K
15.53 mi13:09:112:13:348:3622:03
9:06
+0:23
30K
18.64 mi13:37:502:42:138:4228:39
9:13
+0:07
20M
20.00 mi13:51:032:55:268:4613:13
9:44
+0:31
21M
21.00 mi14:00:563:05:198:499:53
9:53
+0:09
35K
21.75 mi14:07:313:11:548:496:35
8:48
-1:05
23M
23.00 mi14:19:153:23:388:5111:44
9:22
+0:34
24M
24.00 mi14:28:303:32:538:529:15
9:15
-0:07
40K
24.85 mi14:36:453:41:088:548:15
9:39
+0:24
25.2M
25.20 mi14:40:163:44:398:553:31
10:12
+0:33
Finish
26.22 mi14:49:233:53:468:559:07
8:57
-1:15

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

8:15 /mi

Average Pace

8:55 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:27

39% of race

Time at Steady Pace

1:48:27

46% of race

Time at Slower Pace

34:52

15% of race

Average Pace: 8:55 /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 mi11:21:3525:588:2125:58
8:21
#16997
10K
6.21 mi11:47:1351:368:1825:38
8:15
#16381
15K
9.32 mi12:13:321:17:558:2226:19
8:28
#16282
20K
12.43 mi12:41:111:45:348:3027:39
8:54
#16399
Half
13.11 mi12:47:081:51:318:305:57
8:43
#16422
25K
15.53 mi13:09:112:13:348:3622:03
9:06
#16280
30K
18.64 mi13:37:502:42:138:4228:39
9:13
#15909
20M
20.00 mi13:51:032:55:268:4613:13
9:44
#15882
21M
21.00 mi14:00:563:05:198:499:53
9:53
#15694
35K
21.75 mi14:07:313:11:548:496:35
8:48
#15549
23M
23.00 mi14:19:153:23:388:5111:44
9:22
#15377
24M
24.00 mi14:28:303:32:538:529:15
9:15
#15290
40K
24.85 mi14:36:453:41:088:548:15
9:39
#15208
25.2M
25.20 mi14:40:163:44:398:553:31
10:12
#15119
Finish
26.22 mi14:49:233:53:468:559:07
8:57
#15053
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi169976163616316245(Top 64%)5707(Top 52%)5707(Top 481%)
10K6.21 mi3.10 mi16381+6165788+3755788+37515830(Top 62%)5428(Top 50%)5428(Top 457%)
15K9.32 mi3.11 mi16282+995723+655723+6516245(Top 64%)5707(Top 52%)5707(Top 481%)
20K12.43 mi3.11 mi16399-1175799-765799-7616888(Top 66%)6105(Top 56%)6105(Top 514%)
Half13.11 mi0.68 mi16422-235821-225821-2216955(Top 66%)6186(Top 57%)6186(Top 521%)
25K15.53 mi2.42 mi16280+1425773+485773+4815953(Top 62%)5690(Top 52%)5690(Top 479%)
30K18.64 mi3.11 mi15909+3715619+1545619+15414283(Top 56%)5026(Top 46%)5026(Top 423%)
20M20.00 mi1.36 mi15882+275641-225641-2215468(Top 61%)5934(Top 54%)5934(Top 500%)
21M21.00 mi1.00 mi15694+1885577+645577+6412530(Top 49%)4544(Top 42%)4544(Top 383%)
35K21.75 mi0.75 mi15549+1455518+595518+5912382(Top 48%)4481(Top 41%)4481(Top 378%)
23M23.00 mi1.25 mi15377+1725469+495469+4912946(Top 51%)4881(Top 45%)4881(Top 411%)
24M24.00 mi1.00 mi15290+875455+145455+1413346(Top 52%)5100(Top 47%)5100(Top 430%)
40K24.85 mi0.85 mi15208+825446+95446+913723(Top 54%)5398(Top 49%)5398(Top 455%)
25.2M25.20 mi0.35 mi15119+895412+345412+3411794(Top 46%)4504(Top 41%)4504(Top 379%)
Finish26.22 mi1.02 mi15053+665399+135399+1313948(Top 55%)5450(Top 50%)5450(Top 459%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

16245

Females

5707

F50-54

5707

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

15830

Females

5428

F50-54

5428

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

16245

Females

5707

F50-54

5707

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

16888

Females

6105

F50-54

6105

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

16955

Females

6186

F50-54

6186

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

15953

Females

5690

F50-54

5690

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14283

Females

5026

F50-54

5026

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

15468

Females

5934

F50-54

5934

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

12530

Females

4544

F50-54

4544

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12382

Females

4481

F50-54

4481

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

12946

Females

4881

F50-54

4881

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13346

Females

5100

F50-54

5100

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

13723

Females

5398

F50-54

5398

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

11794

Females

4504

F50-54

4504

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

13948

Females

5450

F50-54

5450

Passing Analysis

Category:
Athletes Passed
3115
Passed By
1171
Net Change
+1944
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16997
5K → 10K68973+616#16997#16381
10K → 15K276177+99#16381#16282
15K → 20K223340-117#16282#16399
20K → Half3457-23#16399#16422
Half → 25K284142+142#16422#16280
25K → 30K44372+371#16280#15909
30K → 20M137110+27#15909#15882
20M → 21M22335+188#15882#15694
21M → 35K1494+145#15694#15549
35K → 23M20533+172#15549#15377
23M → 24M12134+87#15377#15290
24M → 40K13250+82#15290#15208
40K → 25.2M934+89#15208#15119
25.2M → Finish10640+66#15119#15053
TOTALS31151171+1944
📊

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