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BOSTON MARATHON 2024

Xuan Li

Bib: 22400•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
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
9:15/mi
28:43
↑ 97↓ 3451.5%
10K· 6.21 mi
9:57/mi
59:37
↑ 79↓ 1380.4%
15K· 9.32 mi
10:18/mi
1:31:38
↑ 67↓ 78
20K· 12.43 mi
11:25/mi
2:07:05
↑ 106↓ 860.1%
Half· 13.11 mi
11:08/mi
2:14:41
↑ 19↓ 370.5%
25K· 15.53 mi
12:10/mi
2:44:10
↑ 66↓ 880.2%
30K· 18.64 mi
12:59/mi
3:24:30
↑ 181↓ 1480.2%
20M
12:29/mi
3:41:28
↑ 64↓ 500.2%
21M
15:42/mi
3:57:10
↑ 106↓ 241.6%
35K· 21.75 mi
10:52/mi
4:05:18
↑ 17↓ 861.7%
23M
11:43/mi
4:19:58
↑ 23↓ 630.6%
24M
11:16/mi
4:31:14
↓ 821.3%
40K· 24.85 mi
11:35/mi
4:41:08
↓ 200.3%
25.2M
13:20/mi
4:45:44
↑ 13↓ 160.2%
Finish· 26.22 mi
10:45/mi
4:56:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:41
Pace10:16 /mi
2nd Half
Distance13.11 mi
Time2:42:00
Pace12:21 /mi
📊Positive Split: 20.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5328:439:1528:43
9:15
-
10K
6.21 mi11:53:4759:379:3630:54
9:57
+0:42
15K
9.32 mi12:25:481:31:389:5032:01
10:18
+0:21
20K
12.43 mi13:01:152:07:0510:1435:27
11:25
+1:07
Half
13.11 mi13:08:512:14:4110:167:36
11:08
-0:17
25K
15.53 mi13:38:202:44:1010:3429:29
12:10
+1:02
30K
18.64 mi14:18:403:24:3010:5840:20
12:59
+0:49
20M
20.00 mi14:35:383:41:2811:0416:58
12:29
-0:30
21M
21.00 mi14:51:203:57:1011:1815:42
15:42
+3:13
35K
21.75 mi14:59:284:05:1811:178:08
10:52
-4:50
23M
23.00 mi15:14:084:19:5811:1814:40
11:43
+0:51
24M
24.00 mi15:25:244:31:1411:1811:16
11:16
-0:27
40K
24.85 mi15:35:184:41:0811:199:54
11:35
+0:19
25.2M
25.20 mi15:39:544:45:4411:204:36
13:20
+1:45
Finish
26.22 mi15:50:514:56:4111:1910:57
10:45
-2:35

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

9:15 /mi

Average Pace

11:19 /mi

Slowest Pace

15:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:38

31% of race

Time at Steady Pace

2:07:27

43% of race

Time at Slower Pace

1:17:36

26% of race

Average Pace: 11:19 /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 mi11:22:5328:439:1528:43
9:15
#20967
10K
6.21 mi11:53:4759:379:3630:54
9:57
#21797
15K
9.32 mi12:25:481:31:389:5032:01
10:18
#22079
20K
12.43 mi13:01:152:07:0510:1435:27
11:25
#22481
Half
13.11 mi13:08:512:14:4110:167:36
11:08
#22562
25K
15.53 mi13:38:202:44:1010:3429:29
12:10
#22728
30K
18.64 mi14:18:403:24:3010:5840:20
12:59
#22915
20M
20.00 mi14:35:383:41:2811:0416:58
12:29
#22868
21M
21.00 mi14:51:203:57:1011:1815:42
15:42
#22999
35K
21.75 mi14:59:284:05:1811:178:08
10:52
#22893
23M
23.00 mi15:14:084:19:5811:1814:40
11:43
#22787
24M
24.00 mi15:25:244:31:1411:1811:16
11:16
#22664
40K
24.85 mi15:35:184:41:0811:199:54
11:35
#22575
25.2M
25.20 mi15:39:544:45:4411:204:36
13:20
#22547
Finish
26.22 mi15:50:514:56:4111:1910:57
10:45
#22510
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi209678387838722556(Top 88%)9181(Top 84%)9181(Top 1048%)
10K6.21 mi3.10 mi21797-8308802-4158802-41522430(Top 88%)9141(Top 84%)9141(Top 1043%)
15K9.32 mi3.11 mi22079-2828943-1418943-14122556(Top 88%)9181(Top 84%)9181(Top 1048%)
20K12.43 mi3.11 mi22481-4029147-2049147-20423273(Top 91%)9598(Top 88%)9598(Top 1096%)
Half13.11 mi0.68 mi22562-819191-449191-4423704(Top 93%)9887(Top 91%)9887(Top 1129%)
25K15.53 mi2.42 mi22728-1669293-1029293-10223352(Top 91%)9729(Top 89%)9729(Top 1111%)
30K18.64 mi3.11 mi22915-1879454-1619454-16123282(Top 91%)9793(Top 90%)9793(Top 1118%)
20M20.00 mi1.36 mi22868+479449+59449+522157(Top 87%)9334(Top 85%)9334(Top 1066%)
21M21.00 mi1.00 mi22999-1319539-909539-9024263(Top 95%)10393(Top 95%)10393(Top 1186%)
35K21.75 mi0.75 mi22893+1069496+439496+4319540(Top 76%)8106(Top 74%)8106(Top 925%)
23M23.00 mi1.25 mi22787+1069446+509446+5020151(Top 79%)8476(Top 78%)8476(Top 968%)
24M24.00 mi1.00 mi22664+1239390+569390+5619923(Top 78%)8405(Top 77%)8405(Top 959%)
40K24.85 mi0.85 mi22575+899364+269364+2619530(Top 76%)8278(Top 76%)8278(Top 945%)
25.2M25.20 mi0.35 mi22547+289356+89356+820433(Top 80%)8744(Top 80%)8744(Top 998%)
Finish26.22 mi1.02 mi22510+379352+49352+420696(Top 81%)8825(Top 81%)8825(Top 1007%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

22556

Females

9181

F55-59

9181

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

22430

Females

9141

F55-59

9141

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

22556

Females

9181

F55-59

9181

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

23273

Females

9598

F55-59

9598

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

23704

Females

9887

F55-59

9887

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

23352

Females

9729

F55-59

9729

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

23282

Females

9793

F55-59

9793

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

22157

Females

9334

F55-59

9334

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

24263

Females

10393

F55-59

10393

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

19540

Females

8106

F55-59

8106

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20151

Females

8476

F55-59

8476

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

19923

Females

8405

F55-59

8405

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

19530

Females

8278

F55-59

8278

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

20433

Females

8744

F55-59

8744

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

20696

Females

8825

F55-59

8825

Passing Analysis

Category:
Athletes Passed
1040
Passed By
2583
Net Change
-1543
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20967
5K → 10K35865-830#20967#21797
10K → 15K114396-282#21797#22079
15K → 20K72474-402#22079#22481
20K → Half1293-81#22481#22562
Half → 25K64230-166#22562#22728
25K → 30K90277-187#22728#22915
30K → 20M9649+47#22915#22868
20M → 21M18149-131#22868#22999
21M → 35K1071+106#22999#22893
35K → 23M1115+106#22893#22787
23M → 24M1274+123#22787#22664
24M → 40K967+89#22664#22575
40K → 25.2M357+28#22575#22547
25.2M → Finish6326+37#22547#22510
TOTALS10402583-1543
📊

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