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BOSTON MARATHON 2024

Ling Zhang

Bib: 14331•F

WA

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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Age Group (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
24:23
Rank: #13498
Start → 5K
24:23 | 7:51/mi
10K· 6.21 mi
49:06
Rank: #13675 (-177)
5K → 10K
24:43 | 7:57/mi
15K· 9.32 mi
1:13:56
Rank: #13572 (+103)
10K → 15K
24:50 | 8:00/mi
20K· 12.43 mi
1:41:18
Rank: #14402 (-830)
15K → 20K
27:22 | 8:49/mi
Half· 13.11 mi
1:47:22
Rank: #14623 (-221)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:10:13
Rank: #15108 (-485)
Half → 25K
22:51 | 9:25/mi
30K· 18.64 mi
2:41:25
Rank: #15677 (-569)
25K → 30K
31:12 | 10:03/mi
20M
2:55:59
Rank: #16032 (-355)
30K → 20M
14:34 | 10:43/mi
21M
3:06:41
Rank: #16016 (+16)
20M → 21M
10:42 | 10:42/mi
35K· 21.75 mi
3:14:14
Rank: #16101 (-85)
21M → 35K
7:33 | 10:06/mi
23M
3:33:46
Rank: #17413 (-1312)
35K → 23M
19:32 | 15:36/mi
24M
3:47:18
Rank: #17886 (-473)
23M → 24M
13:32 | 13:32/mi
40K· 24.85 mi
4:01:14
Rank: #18508 (-622)
24M → 40K
13:56 | 16:18/mi
25.2M
4:07:00
Rank: #18676 (-168)
40K → 25.2M
5:46 | 16:43/mi
Finish· 26.22 mi
4:19:05
Rank: #18858 (-182)
25.2M → Finish
12:05 | 11:51/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:31:43
Pace11:34 /mi
📊Positive Split: 41.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1324:237:5124:23
7:51
-
10K
6.21 mi11:20:5649:067:5424:43
7:57
+0:06
15K
9.32 mi11:45:461:13:567:5624:50
8:00
+0:03
20K
12.43 mi12:13:081:41:188:0927:22
8:49
+0:49
Half
13.11 mi12:19:121:47:228:116:04
8:54
+0:05
25K
15.53 mi12:42:032:10:138:2322:51
9:25
+0:31
30K
18.64 mi13:13:152:41:258:4031:12
10:03
+0:38
20M
20.00 mi13:27:492:55:598:4814:34
10:43
+0:40
21M
21.00 mi13:38:313:06:418:5310:42
10:42
-0:01
35K
21.75 mi13:46:043:14:148:567:33
10:06
-0:36
23M
23.00 mi14:05:363:33:469:1819:32
15:36
+5:30
24M
24.00 mi14:19:083:47:189:2813:32
13:32
-2:04
40K
24.85 mi14:33:044:01:149:4213:56
16:18
+2:46
25.2M
25.20 mi14:38:504:07:009:485:46
16:43
+0:25
Finish
26.22 mi14:50:554:19:059:5312:05
11:51
-4:52

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:51 /mi

Average Pace

9:53 /mi

Slowest Pace

16:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:13:56

29% of race

Time at Steady Pace

2:00:18

46% of race

Time at Slower Pace

1:04:51

25% of race

Average Pace: 9:53 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:56:1324:237:5124:23
7:51
#13498
10K
6.21 mi11:20:5649:067:5424:43
7:57
#13675
15K
9.32 mi11:45:461:13:567:5624:50
8:00
#13572
20K
12.43 mi12:13:081:41:188:0927:22
8:49
#14402
Half
13.11 mi12:19:121:47:228:116:04
8:54
#14623
25K
15.53 mi12:42:032:10:138:2322:51
9:25
#15108
30K
18.64 mi13:13:152:41:258:4031:12
10:03
#15677
20M
20.00 mi13:27:492:55:598:4814:34
10:43
#16032
21M
21.00 mi13:38:313:06:418:5310:42
10:42
#16016
35K
21.75 mi13:46:043:14:148:567:33
10:06
#16101
23M
23.00 mi14:05:363:33:469:1819:32
15:36
#17413
24M
24.00 mi14:19:083:47:189:2813:32
13:32
#17886
40K
24.85 mi14:33:044:01:149:4213:56
16:18
#18508
25.2M
25.20 mi14:38:504:07:009:485:46
16:43
#18676
Finish
26.22 mi14:50:554:19:059:5312:05
11:51
#18858
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi134984007400713435(Top 53%)4052(Top 37%)4052(Top 87%)
10K6.21 mi3.10 mi13675-1774137-1304137-13013892(Top 54%)4290(Top 39%)4290(Top 92%)
15K9.32 mi3.11 mi13572+1034103+344103+3413435(Top 53%)4052(Top 37%)4052(Top 87%)
20K12.43 mi3.11 mi14402-8304599-4964599-49616449(Top 64%)5859(Top 54%)5859(Top 126%)
Half13.11 mi0.68 mi14623-2214744-1454744-14517818(Top 70%)6710(Top 61%)6710(Top 144%)
25K15.53 mi2.42 mi15108-4855065-3215065-32117292(Top 68%)6439(Top 59%)6439(Top 138%)
30K18.64 mi3.11 mi15677-5695479-4145479-41417492(Top 68%)6787(Top 62%)6787(Top 146%)
20M20.00 mi1.36 mi16032-3555728-2495728-24918594(Top 73%)7506(Top 69%)7506(Top 161%)
21M21.00 mi1.00 mi16016+165762-345762-3415483(Top 61%)6064(Top 56%)6064(Top 130%)
35K21.75 mi0.75 mi16101-855833-715833-7117477(Top 68%)7085(Top 65%)7085(Top 152%)
23M23.00 mi1.25 mi17413-13126602-7696602-76924955(Top 98%)10720(Top 98%)10720(Top 230%)
24M24.00 mi1.00 mi17886-4736898-2966898-29623726(Top 93%)10238(Top 94%)10238(Top 220%)
40K24.85 mi0.85 mi18508-6227239-3417239-34125059(Top 98%)10778(Top 99%)10778(Top 231%)
25.2M25.20 mi0.35 mi18676-1687343-1047343-10424509(Top 96%)10585(Top 97%)10585(Top 227%)
Finish26.22 mi1.02 mi18858-1827458-1157458-11523048(Top 90%)9962(Top 91%)9962(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

13435

Females

4052

F18-39

4052

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

13892

Females

4290

F18-39

4290

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

13435

Females

4052

F18-39

4052

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

16449

Females

5859

F18-39

5859

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

17818

Females

6710

F18-39

6710

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

17292

Females

6439

F18-39

6439

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17492

Females

6787

F18-39

6787

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

18594

Females

7506

F18-39

7506

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

15483

Females

6064

F18-39

6064

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

17477

Females

7085

F18-39

7085

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

24955

Females

10720

F18-39

10720

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

23726

Females

10238

F18-39

10238

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

25059

Females

10778

F18-39

10778

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

24509

Females

10585

F18-39

10585

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

23048

Females

9962

F18-39

9962

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1070
Passed By
6430
Net Change
-5360
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13498
5K → 10K232409-177#13498#13675
10K → 15K265162+103#13675#13572
15K → 20K73903-830#13572#14402
20K → Half16237-221#14402#14623
Half → 25K97582-485#14623#15108
25K → 30K111680-569#15108#15677
30K → 20M50405-355#15677#16032
20M → 21M122106+16#16032#16016
21M → 35K45130-85#16016#16101
35K → 23M71319-1312#16101#17413
23M → 24M9482-473#17413#17886
24M → 40K5627-622#17886#18508
40K → 25.2M8176-168#18508#18676
25.2M → Finish30212-182#18676#18858
TOTALS10706430-5360
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing