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BOSTON MARATHON 2024

Lingxia Chen

Bib: 20297•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
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
8:39/mi
26:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:48/mi
54:10
↑ 79↓ 1380.4%
15K· 9.32 mi
9:00/mi
1:22:07
↑ 67↓ 78
20K· 12.43 mi
9:11/mi
1:50:39
↑ 106↓ 860.1%
Half· 13.11 mi
9:01/mi
1:56:48
↑ 19↓ 370.5%
25K· 15.53 mi
9:22/mi
2:19:31
↑ 66↓ 880.2%
30K· 18.64 mi
9:44/mi
2:49:46
↑ 181↓ 1480.2%
20M
9:41/mi
3:02:56
↑ 64↓ 500.2%
21M
10:27/mi
3:13:23
↑ 106↓ 241.6%
35K· 21.75 mi
9:28/mi
3:20:28
↑ 17↓ 861.7%
23M
9:57/mi
3:32:55
↑ 23↓ 630.6%
24M
9:42/mi
3:42:37
↓ 821.3%
40K· 24.85 mi
9:41/mi
3:50:54
↓ 200.3%
25.2M
10:47/mi
3:54:37
↑ 13↓ 160.2%
Finish· 26.22 mi
9:22/mi
4:04:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:48
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:07:22
Pace9:43 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2926:518:3926:51
8:39
-
10K
6.21 mi11:50:4854:108:4327:19
8:48
+0:09
15K
9.32 mi12:18:451:22:078:4927:57
9:00
+0:12
20K
12.43 mi12:47:171:50:398:5428:32
9:11
+0:11
Half
13.11 mi12:53:261:56:488:556:09
9:01
-0:10
25K
15.53 mi13:16:092:19:318:5922:43
9:22
+0:21
30K
18.64 mi13:46:242:49:469:0630:15
9:44
+0:22
20M
20.00 mi13:59:343:02:569:0913:10
9:41
-0:03
21M
21.00 mi14:10:013:13:239:1310:27
10:27
+0:46
35K
21.75 mi14:17:063:20:289:137:05
9:28
-0:59
23M
23.00 mi14:29:333:32:559:1512:27
9:57
+0:29
24M
24.00 mi14:39:153:42:379:179:42
9:42
-0:15
40K
24.85 mi14:47:323:50:549:178:17
9:41
-0:01
25.2M
25.20 mi14:51:153:54:379:193:43
10:47
+1:06
Finish
26.22 mi15:00:484:04:109:199:33
9:22
-1:25

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

8:39 /mi

Average Pace

9:19 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:48

48% of race

Time at Steady Pace

1:40:45

41% of race

Time at Slower Pace

26:37

11% of race

Average Pace: 9:19 /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 mi11:23:2926:518:3926:51
8:39
#18559
10K
6.21 mi11:50:4854:108:4327:19
8:48
#18681
15K
9.32 mi12:18:451:22:078:4927:57
9:00
#18752
20K
12.43 mi12:47:171:50:398:5428:32
9:11
#18515
Half
13.11 mi12:53:261:56:488:556:09
9:01
#18498
25K
15.53 mi13:16:092:19:318:5922:43
9:22
#18210
30K
18.64 mi13:46:242:49:469:0630:15
9:44
#17854
20M
20.00 mi13:59:343:02:569:0913:10
9:41
#17648
21M
21.00 mi14:10:013:13:239:1310:27
10:27
#17483
35K
21.75 mi14:17:063:20:289:137:05
9:28
#17387
23M
23.00 mi14:29:333:32:559:1512:27
9:57
#17252
24M
24.00 mi14:39:153:42:379:179:42
9:42
#17172
40K
24.85 mi14:47:323:50:549:178:17
9:41
#17020
25.2M
25.20 mi14:51:153:54:379:193:43
10:47
#16952
Finish
26.22 mi15:00:484:04:109:199:33
9:22
#16878
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi185597088708818902(Top 74%)7196(Top 66%)7196(Top 410%)
10K6.21 mi3.10 mi18681-1227148-607148-6018821(Top 74%)7201(Top 66%)7201(Top 411%)
15K9.32 mi3.11 mi18752-717166-187166-1818902(Top 74%)7196(Top 66%)7196(Top 410%)
20K12.43 mi3.11 mi18515+2377022+1447022+14418128(Top 71%)6773(Top 62%)6773(Top 386%)
Half13.11 mi0.68 mi18498+177014+87014+818353(Top 72%)6970(Top 64%)6970(Top 398%)
25K15.53 mi2.42 mi18210+2886886+1286886+12817088(Top 67%)6320(Top 58%)6320(Top 361%)
30K18.64 mi3.11 mi17854+3566755+1316755+13116385(Top 64%)6175(Top 57%)6175(Top 352%)
20M20.00 mi1.36 mi17648+2066666+896666+8915324(Top 60%)5857(Top 54%)5857(Top 334%)
21M21.00 mi1.00 mi17483+1656594+726594+7214691(Top 57%)5671(Top 52%)5671(Top 324%)
35K21.75 mi0.75 mi17387+966555+396555+3915406(Top 60%)6043(Top 55%)6043(Top 345%)
23M23.00 mi1.25 mi17252+1356509+466509+4615292(Top 60%)6070(Top 56%)6070(Top 346%)
24M24.00 mi1.00 mi17172+806487+226487+2215282(Top 60%)6098(Top 56%)6098(Top 348%)
40K24.85 mi0.85 mi17020+1526442+456442+4513861(Top 54%)5465(Top 50%)5465(Top 312%)
25.2M25.20 mi0.35 mi16952+686424+186424+1813821(Top 54%)5482(Top 50%)5482(Top 313%)
Finish26.22 mi1.02 mi16878+746416+86416+815955(Top 62%)6488(Top 59%)6488(Top 370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

18902

Females

7196

F45-49

7196

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

18821

Females

7201

F45-49

7201

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

18902

Females

7196

F45-49

7196

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18128

Females

6773

F45-49

6773

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

18353

Females

6970

F45-49

6970

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17088

Females

6320

F45-49

6320

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16385

Females

6175

F45-49

6175

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15324

Females

5857

F45-49

5857

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

14691

Females

5671

F45-49

5671

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15406

Females

6043

F45-49

6043

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15292

Females

6070

F45-49

6070

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

15282

Females

6098

F45-49

6098

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

13861

Females

5465

F45-49

5465

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

13821

Females

5482

F45-49

5482

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

15955

Females

6488

F45-49

6488

Passing Analysis

Category:
Athletes Passed
2816
Passed By
1135
Net Change
+1681
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18559
5K → 10K232354-122#18559#18681
10K → 15K189260-71#18681#18752
15K → 20K372135+237#18752#18515
20K → Half4427+17#18515#18498
Half → 25K36476+288#18498#18210
25K → 30K43680+356#18210#17854
30K → 20M22822+206#17854#17648
20M → 21M19631+165#17648#17483
21M → 35K11923+96#17483#17387
35K → 23M17439+135#17387#17252
23M → 24M11131+80#17252#17172
24M → 40K16412+152#17172#17020
40K → 25.2M746+68#17020#16952
25.2M → Finish11339+74#16952#16878
TOTALS28161135+1681
📊

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