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BOSTON MARATHON 2024

Lili Zhang

Bib: 11608•F

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 36%
Gender (Female)
#0 / 10924
Top 21%
Division (F18-39)
#0 / 4660
Top 37%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:25/mi
23:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
46:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:10:30
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:34:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:40:19
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
1:59:47
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:25:57
↑ 181↓ 1480.2%
20M
8:29/mi
2:37:29
↑ 64↓ 500.2%
21M
9:25/mi
2:46:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
2:53:20
↑ 17↓ 861.7%
23M
8:16/mi
3:03:41
↑ 23↓ 630.6%
24M
8:00/mi
3:11:41
↓ 821.3%
40K· 24.85 mi
7:58/mi
3:18:30
↓ 200.3%
25.2M
8:33/mi
3:21:27
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:29:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:19
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:48:47
Pace8:18 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4223:047:2523:04
7:25
-
10K
6.21 mi11:15:0646:287:2923:24
7:32
+0:07
15K
9.32 mi11:39:081:10:307:3424:02
7:44
+0:12
20K
12.43 mi12:03:371:34:597:3924:29
7:53
+0:09
Half
13.11 mi12:08:571:40:197:395:20
7:49
-0:04
25K
15.53 mi12:28:251:59:477:4319:28
8:02
+0:13
30K
18.64 mi12:54:352:25:577:5026:10
8:25
+0:23
20M
20.00 mi13:06:072:37:297:5211:32
8:29
+0:04
21M
21.00 mi13:15:322:46:547:579:25
9:25
+0:56
35K
21.75 mi13:21:582:53:207:586:26
8:36
-0:49
23M
23.00 mi13:32:193:03:417:5910:21
8:16
-0:20
24M
24.00 mi13:40:193:11:417:598:00
8:00
-0:16
40K
24.85 mi13:47:083:18:307:596:49
7:58
-0:02
25.2M
25.20 mi13:50:053:21:278:002:57
8:33
+0:35
Finish
26.22 mi13:57:443:29:067:597:39
7:30
-1:03

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

7:25 /mi

Average Pace

7:59 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:09

37% of race

Time at Steady Pace

1:04:06

31% of race

Time at Slower Pace

1:06:51

32% of race

Average Pace: 7:58 /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 mi10:51:4223:047:2523:04
7:25
#10170
10K
6.21 mi11:15:0646:287:2923:24
7:32
#10301
15K
9.32 mi11:39:081:10:307:3424:02
7:44
#10691
20K
12.43 mi12:03:371:34:597:3924:29
7:53
#10737
Half
13.11 mi12:08:571:40:197:395:20
7:49
#10773
25K
15.53 mi12:28:251:59:477:4319:28
8:02
#10620
30K
18.64 mi12:54:352:25:577:5026:10
8:25
#10463
20M
20.00 mi13:06:072:37:297:5211:32
8:29
#10330
21M
21.00 mi13:15:322:46:547:579:25
9:25
#10271
35K
21.75 mi13:21:582:53:207:586:26
8:36
#10294
23M
23.00 mi13:32:193:03:417:5910:21
8:16
#10031
24M
24.00 mi13:40:193:11:417:598:00
8:00
#9827
40K
24.85 mi13:47:083:18:307:596:49
7:58
#9620
25.2M
25.20 mi13:50:053:21:278:002:57
8:33
#9496
Finish
26.22 mi13:57:443:29:067:597:39
7:30
#9312
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi101702103210311470(Top 45%)2944(Top 27%)2944(Top 63%)
10K6.21 mi3.10 mi10301-1312213-1102213-11010552(Top 41%)2391(Top 22%)2391(Top 51%)
15K9.32 mi3.11 mi10691-3902463-2502463-25011470(Top 45%)2944(Top 27%)2944(Top 63%)
20K12.43 mi3.11 mi10737-462525-622525-6211009(Top 43%)2821(Top 26%)2821(Top 61%)
Half13.11 mi0.68 mi10773-362549-242549-2411561(Top 45%)3126(Top 29%)3126(Top 67%)
25K15.53 mi2.42 mi10620+1532535+142535+1410392(Top 41%)2686(Top 25%)2686(Top 58%)
30K18.64 mi3.11 mi10463+1572553-182553-1810258(Top 40%)2832(Top 26%)2832(Top 61%)
20M20.00 mi1.36 mi10330+1332548+52548+59403(Top 37%)2668(Top 24%)2668(Top 57%)
21M21.00 mi1.00 mi10271+592567-192567-1910481(Top 41%)3485(Top 32%)3485(Top 75%)
35K21.75 mi0.75 mi10294-232614-472614-4711359(Top 44%)3963(Top 36%)3963(Top 85%)
23M23.00 mi1.25 mi10031+2632548+662548+667188(Top 28%)2002(Top 18%)2002(Top 43%)
24M24.00 mi1.00 mi9827+2042493+552493+556681(Top 26%)1863(Top 17%)1863(Top 40%)
40K24.85 mi0.85 mi9620+2072429+642429+645719(Top 22%)1539(Top 14%)1539(Top 33%)
25.2M25.20 mi0.35 mi9496+1242388+412388+414783(Top 19%)1180(Top 11%)1180(Top 25%)
Finish26.22 mi1.02 mi9312+1842339+492339+495709(Top 22%)1521(Top 14%)1521(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11470

Females

2944

F18-39

2944

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10552

Females

2391

F18-39

2391

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11470

Females

2944

F18-39

2944

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11009

Females

2821

F18-39

2821

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11561

Females

3126

F18-39

3126

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10392

Females

2686

F18-39

2686

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10258

Females

2832

F18-39

2832

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9403

Females

2668

F18-39

2668

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10481

Females

3485

F18-39

3485

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11359

Females

3963

F18-39

3963

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7188

Females

2002

F18-39

2002

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6681

Females

1863

F18-39

1863

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5719

Females

1539

F18-39

1539

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4783

Females

1180

F18-39

1180

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5709

Females

1521

F18-39

1521

Passing Analysis

Category:
Athletes Passed
2677*
Passed By
1819
Net Change
+858
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10170
5K → 10K217348-131#10170#10301
10K → 15K113503-390#10301#10691
15K → 20K196242-46#10691#10737
20K → Half3470-36#10737#10773
Half → 25K299146+153#10773#10620
25K → 30K357200+157#10620#10463
30K → 20M20976+133#10463#10330
20M → 21M159100+59#10330#10271
21M → 35K7396-23#10271#10294
35K → 23M28118+263#10294#10031
23M → 24M209*5+204#10031#9827
24M → 40K2103+207#9827#9620
40K → 25.2M1262+124#9620#9496
25.2M → Finish19410+184#9496#9312
TOTALS2677*1819+858

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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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