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BOSTON MARATHON 2024

Lining Chen

Bib: 21352•F

WA

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
Top 36%
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
8:14/mi
25:34
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
50:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:24/mi
1:17:02
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:43:31
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:49:13
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:11:40
↑ 66↓ 880.2%
30K· 18.64 mi
10:13/mi
2:43:25
↑ 181↓ 1480.2%
20M
9:55/mi
2:56:54
↑ 64↓ 500.2%
21M
12:29/mi
3:09:23
↑ 106↓ 241.6%
35K· 21.75 mi
9:39/mi
3:16:36
↑ 17↓ 861.7%
23M
10:19/mi
3:29:31
↑ 23↓ 630.6%
24M
12:56/mi
3:42:27
↓ 821.3%
40K· 24.85 mi
9:51/mi
3:50:52
↓ 200.3%
25.2M
11:33/mi
3:54:51
↑ 13↓ 160.2%
Finish· 26.22 mi
9:42/mi
4:04:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:13
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time2:15:31
Pace10:20 /mi
📊Positive Split: 24.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0425:348:1425:34
8:14
-
10K
6.21 mi11:47:2650:568:1225:22
8:10
-0:04
15K
9.32 mi12:13:321:17:028:1626:06
8:24
+0:14
20K
12.43 mi12:40:011:43:318:2026:29
8:31
+0:07
Half
13.11 mi12:45:431:49:138:205:42
8:21
-0:10
25K
15.53 mi13:08:102:11:408:2922:27
9:16
+0:55
30K
18.64 mi13:39:552:43:258:4631:45
10:13
+0:57
20M
20.00 mi13:53:242:56:548:5113:29
9:55
-0:18
21M
21.00 mi14:05:533:09:239:0112:29
12:29
+2:34
35K
21.75 mi14:13:063:16:369:027:13
9:39
-2:50
23M
23.00 mi14:26:013:29:319:0712:55
10:19
+0:40
24M
24.00 mi14:38:573:42:279:1612:56
12:56
+2:37
40K
24.85 mi14:47:223:50:529:178:25
9:51
-3:05
25.2M
25.20 mi14:51:213:54:519:193:59
11:33
+1:42
Finish
26.22 mi15:01:144:04:449:209:53
9:42
-1:51

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

8:10 /mi

Average Pace

9:20 /mi

Slowest Pace

12:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:13

45% of race

Time at Steady Pace

1:46:07

43% of race

Time at Slower Pace

29:24

12% of race

Average Pace: 9:20 /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 mi11:22:0425:348:1425:34
8:14
#16220
10K
6.21 mi11:47:2650:568:1225:22
8:10
#15744
15K
9.32 mi12:13:321:17:028:1626:06
8:24
#15711
20K
12.43 mi12:40:011:43:318:2026:29
8:31
#15448
Half
13.11 mi12:45:431:49:138:205:42
8:21
#15416
25K
15.53 mi13:08:102:11:408:2922:27
9:16
#15644
30K
18.64 mi13:39:552:43:258:4631:45
10:13
#16241
20M
20.00 mi13:53:242:56:548:5113:29
9:55
#16244
21M
21.00 mi14:05:533:09:239:0112:29
12:29
#16625
35K
21.75 mi14:13:063:16:369:027:13
9:39
#16625
23M
23.00 mi14:26:013:29:319:0712:55
10:19
#16619
24M
24.00 mi14:38:573:42:279:1612:56
12:56
#17144
40K
24.85 mi14:47:223:50:529:178:25
9:51
#17014
25.2M
25.20 mi14:51:213:54:519:193:59
11:33
#16978
Finish
26.22 mi15:01:144:04:449:209:53
9:42
#16965
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi162205697569715850(Top 62%)5480(Top 50%)5480(Top 626%)
10K6.21 mi3.10 mi15744+4765381+3165381+31615326(Top 60%)5120(Top 47%)5120(Top 584%)
15K9.32 mi3.11 mi15711+335383-25383-215850(Top 62%)5480(Top 50%)5480(Top 626%)
20K12.43 mi3.11 mi15448+2635239+1445239+14414943(Top 58%)4977(Top 46%)4977(Top 568%)
Half13.11 mi0.68 mi15416+325220+195220+1914972(Top 59%)5039(Top 46%)5039(Top 575%)
25K15.53 mi2.42 mi15644-2285388-1685388-16816658(Top 65%)6080(Top 56%)6080(Top 694%)
30K18.64 mi3.11 mi16241-5975820-4325820-43218029(Top 71%)7058(Top 65%)7058(Top 806%)
20M20.00 mi1.36 mi16244-35855-355855-3516212(Top 63%)6320(Top 58%)6320(Top 721%)
21M21.00 mi1.00 mi16625-3816102-2476102-24719832(Top 78%)8235(Top 75%)8235(Top 940%)
35K21.75 mi0.75 mi166256124-226124-2216023(Top 63%)6362(Top 58%)6362(Top 726%)
23M23.00 mi1.25 mi16619+66149-256149-2516482(Top 65%)6644(Top 61%)6644(Top 758%)
24M24.00 mi1.00 mi17144-5256471-3226471-32222987(Top 90%)9890(Top 91%)9890(Top 1129%)
40K24.85 mi0.85 mi17014+1306439+326439+3214463(Top 57%)5758(Top 53%)5758(Top 657%)
25.2M25.20 mi0.35 mi16978+366440-16440-116210(Top 63%)6637(Top 61%)6637(Top 758%)
Finish26.22 mi1.02 mi16965+136457-176457-1717363(Top 68%)7196(Top 66%)7196(Top 821%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

15850

Females

5480

F55-59

5480

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15326

Females

5120

F55-59

5120

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

15850

Females

5480

F55-59

5480

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

14943

Females

4977

F55-59

4977

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

14972

Females

5039

F55-59

5039

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

16658

Females

6080

F55-59

6080

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18029

Females

7058

F55-59

7058

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16212

Females

6320

F55-59

6320

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

19832

Females

8235

F55-59

8235

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16023

Females

6362

F55-59

6362

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

16482

Females

6644

F55-59

6644

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

22987

Females

9890

F55-59

9890

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

14463

Females

5758

F55-59

5758

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16210

Females

6637

F55-59

6637

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

17363

Females

7196

F55-59

7196

Passing Analysis

Category:
Athletes Passed
2096
Passed By
2841
Net Change
-745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16220
5K → 10K576100+476#16220#15744
10K → 15K242209+33#15744#15711
15K → 20K368105+263#15711#15448
20K → Half5624+32#15448#15416
Half → 25K147375-228#15416#15644
25K → 30K105702-597#15644#16241
30K → 20M115118-3#16241#16244
20M → 21M21402-381#16244#16625
21M → 35K66660#16625#16625
35K → 23M10195+6#16625#16619
23M → 24M13538-525#16619#17144
24M → 40K14818+130#17144#17014
40K → 25.2M5923+36#17014#16978
25.2M → Finish7966+13#16978#16965
TOTALS20962841-745
📊

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