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BOSTON MARATHON 2024

Lili Zhang

Bib: 18345•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 45%
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:01
Rank: #15043
Start → 5K
25:01 | 8:03/mi
10K· 6.21 mi
49:50
Rank: #14569 (+474)
5K → 10K
24:49 | 7:59/mi
15K· 9.32 mi
1:15:29
Rank: #14706 (-137)
10K → 15K
25:39 | 8:15/mi
20K· 12.43 mi
1:44:02
Rank: #15679 (-973)
15K → 20K
28:33 | 9:11/mi
Half· 13.11 mi
1:50:23
Rank: #15913 (-234)
20K → Half
6:21 | 9:18/mi
25K· 15.53 mi
2:14:21
Rank: #16564 (-651)
Half → 25K
23:58 | 9:53/mi
30K· 18.64 mi
2:45:12
Rank: #16697 (-133)
25K → 30K
30:51 | 9:56/mi
20M
2:57:54
Rank: #16473 (+224)
30K → 20M
12:42 | 9:21/mi
21M
3:08:15
Rank: #16372 (+101)
20M → 21M
10:21 | 10:21/mi
35K· 21.75 mi
3:15:03
Rank: #16264 (+108)
21M → 35K
6:48 | 9:05/mi
23M
3:27:15
Rank: #16171 (+93)
35K → 23M
12:12 | 9:45/mi
24M
3:36:25
Rank: #16006 (+165)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:44:36
Rank: #15866 (+140)
24M → 40K
8:11 | 9:34/mi
25.2M
3:48:19
Rank: #15832 (+34)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
3:57:59
Rank: #15837 (-5)
25.2M → Finish
9:40 | 9:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:23
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:07:36
Pace9:44 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5525:018:0325:01
8:03
-
10K
6.21 mi11:42:4449:508:0124:49
7:59
-0:04
15K
9.32 mi12:08:231:15:298:0625:39
8:15
+0:16
20K
12.43 mi12:36:561:44:028:2228:33
9:11
+0:56
Half
13.11 mi12:43:171:50:238:256:21
9:18
+0:07
25K
15.53 mi13:07:152:14:218:3923:58
9:53
+0:35
30K
18.64 mi13:38:062:45:128:5230:51
9:56
+0:03
20M
20.00 mi13:50:482:57:548:5412:42
9:21
-0:35
21M
21.00 mi14:01:093:08:158:5810:21
10:21
+1:00
35K
21.75 mi14:07:573:15:038:586:48
9:05
-1:16
23M
23.00 mi14:20:093:27:159:0112:12
9:45
+0:40
24M
24.00 mi14:29:193:36:259:019:10
9:10
-0:35
40K
24.85 mi14:37:303:44:369:028:11
9:34
+0:24
25.2M
25.20 mi14:41:133:48:199:043:43
10:47
+1:13
Finish
26.22 mi14:50:533:57:599:059:40
9:29
-1:18

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

7:59 /mi

Average Pace

9:05 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:29

32% of race

Time at Steady Pace

1:21:25

34% of race

Time at Slower Pace

1:21:05

34% of race

Average Pace: 9:05 /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 mi11:17:5525:018:0325:01
8:03
#15043
10K
6.21 mi11:42:4449:508:0124:49
7:59
#14569
15K
9.32 mi12:08:231:15:298:0625:39
8:15
#14706
20K
12.43 mi12:36:561:44:028:2228:33
9:11
#15679
Half
13.11 mi12:43:171:50:238:256:21
9:18
#15913
25K
15.53 mi13:07:152:14:218:3923:58
9:53
#16564
30K
18.64 mi13:38:062:45:128:5230:51
9:56
#16697
20M
20.00 mi13:50:482:57:548:5412:42
9:21
#16473
21M
21.00 mi14:01:093:08:158:5810:21
10:21
#16372
35K
21.75 mi14:07:573:15:038:586:48
9:05
#16264
23M
23.00 mi14:20:093:27:159:0112:12
9:45
#16171
24M
24.00 mi14:29:193:36:259:019:10
9:10
#16006
40K
24.85 mi14:37:303:44:369:028:11
9:34
#15866
25.2M
25.20 mi14:41:133:48:199:043:43
10:47
#15832
Finish
26.22 mi14:50:533:57:599:059:40
9:29
#15837
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi150434975497515052(Top 59%)4994(Top 46%)4994(Top 310%)
10K6.21 mi3.10 mi14569+4744671+3044671+30414119(Top 55%)4415(Top 40%)4415(Top 274%)
15K9.32 mi3.11 mi14706-1374766-954766-9515052(Top 59%)4994(Top 46%)4994(Top 310%)
20K12.43 mi3.11 mi15679-9735381-6155381-61518150(Top 71%)6780(Top 62%)6780(Top 420%)
Half13.11 mi0.68 mi15913-2345527-1465527-14619434(Top 76%)7560(Top 69%)7560(Top 469%)
25K15.53 mi2.42 mi16564-6515939-4125939-41218804(Top 74%)7276(Top 67%)7276(Top 451%)
30K18.64 mi3.11 mi16697-1336087-1486087-14817128(Top 67%)6582(Top 60%)6582(Top 408%)
20M20.00 mi1.36 mi16473+2245992+955992+9513861(Top 54%)5050(Top 46%)5050(Top 313%)
21M21.00 mi1.00 mi16372+1015960+325960+3214331(Top 56%)5482(Top 50%)5482(Top 340%)
35K21.75 mi0.75 mi16264+1085927+335927+3313793(Top 54%)5222(Top 48%)5222(Top 324%)
23M23.00 mi1.25 mi16171+935901+265901+2614543(Top 57%)5681(Top 52%)5681(Top 352%)
24M24.00 mi1.00 mi16006+1655849+525849+5212975(Top 51%)4925(Top 45%)4925(Top 305%)
40K24.85 mi0.85 mi15866+1405798+515798+5113405(Top 52%)5243(Top 48%)5243(Top 325%)
25.2M25.20 mi0.35 mi15832+345790+85790+813802(Top 54%)5463(Top 50%)5463(Top 339%)
Finish26.22 mi1.02 mi15837-55819-295819-2916480(Top 65%)6744(Top 62%)6744(Top 418%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

15052

Females

4994

F40-44

4994

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14119

Females

4415

F40-44

4415

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

15052

Females

4994

F40-44

4994

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18150

Females

6780

F40-44

6780

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

19434

Females

7560

F40-44

7560

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

18804

Females

7276

F40-44

7276

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17128

Females

6582

F40-44

6582

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

13861

Females

5050

F40-44

5050

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14331

Females

5482

F40-44

5482

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

13793

Females

5222

F40-44

5222

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

14543

Females

5681

F40-44

5681

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

12975

Females

4925

F40-44

4925

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13405

Females

5243

F40-44

5243

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

13802

Females

5463

F40-44

5463

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

16480

Females

6744

F40-44

6744

Passing Analysis

Category:
Athletes Passed
2232
Passed By
3026
Net Change
-794
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15043
5K → 10K581107+474#15043#14569
10K → 15K188325-137#14569#14706
15K → 20K701043-973#14706#15679
20K → Half6240-234#15679#15913
Half → 25K81732-651#15913#16564
25K → 30K184317-133#16564#16697
30K → 20M24723+224#16697#16473
20M → 21M15150+101#16473#16372
21M → 35K12113+108#16372#16264
35K → 23M14653+93#16264#16171
23M → 24M17611+165#16171#16006
24M → 40K15717+140#16006#15866
40K → 25.2M5218+34#15866#15832
25.2M → Finish7277-5#15832#15837
TOTALS22323026-794
📊

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