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BOSTON MARATHON 2024

Lian Liu

Bib: 17805 F CN

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:11/mi
25:24
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:31/mi
51:51
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:52/mi
1:19:23
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:11/mi
1:47:56
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:48/mi
1:53:56
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:37/mi
2:17:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:58/mi
2:48:11
↑ 181↓ 1480.2%
138 ft elev
20M
9:48/mi
3:01:30
↑ 64↓ 500.2%
148 ft elev
21M
11:00/mi
3:12:30
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:09/mi
3:19:21
↑ 17↓ 861.7%
156 ft elev
23M
9:45/mi
3:31:33
↑ 23↓ 630.6%
116 ft elev
24M
9:56/mi
3:41:29
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:38/mi
3:49:43
↓ 200.3%
20 ft elev
25.2M
11:13/mi
3:53:35
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:31/mi
4:03:17
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:56
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:09:21
Pace9:52 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1425:248:1125:24
8:11
-
10K
6.21 mi11:43:4151:518:2126:27
8:31
+0:20
15K
9.32 mi12:11:131:19:238:3127:32
8:52
+0:21
20K
12.43 mi12:39:461:47:568:4128:33
9:11
+0:19
Half
13.11 mi12:45:461:53:568:416:00
8:48
-0:23
25K
15.53 mi13:09:042:17:148:5023:18
9:37
+0:49
30K
18.64 mi13:40:012:48:119:0130:57
9:58
+0:21
20M
20.00 mi13:53:203:01:309:0413:19
9:48
-0:10
21M
21.00 mi14:04:203:12:309:1011:00
11:00
+1:12
35K
21.75 mi14:11:113:19:219:106:51
9:09
-1:51
23M
23.00 mi14:23:233:31:339:1212:12
9:45
+0:36
24M
24.00 mi14:33:193:41:299:149:56
9:56
+0:11
40K
24.85 mi14:41:333:49:439:158:14
9:38
-0:18
25.2M
25.20 mi14:45:253:53:359:163:52
11:13
+1:35
Finish
26.22 mi14:55:074:03:179:179:42
9:31
-1:42

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

8:11 /mi

Average Pace

9:17 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:47

50% of race

Time at Steady Pace

1:47:38

44% of race

Time at Slower Pace

14:52

6% of race

Average Pace: 9:17 /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 mi11:17:1425:248:1125:24
8:11
#15888
10K
6.21 mi11:43:4151:518:2126:27
8:31
#16598
15K
9.32 mi12:11:131:19:238:3127:32
8:52
#17198
20K
12.43 mi12:39:461:47:568:4128:33
9:11
#17424
Half
13.11 mi12:45:461:53:568:416:00
8:48
#17398
25K
15.53 mi13:09:042:17:148:5023:18
9:37
#17527
30K
18.64 mi13:40:012:48:119:0130:57
9:58
#17463
20M
20.00 mi13:53:203:01:309:0413:19
9:48
#17327
21M
21.00 mi14:04:203:12:309:1011:00
11:00
#17298
35K
21.75 mi14:11:113:19:219:106:51
9:09
#17156
23M
23.00 mi14:23:233:31:339:1212:12
9:45
#16999
24M
24.00 mi14:33:193:41:299:149:56
9:56
#16967
40K
24.85 mi14:41:333:49:439:158:14
9:38
#16806
25.2M
25.20 mi14:45:253:53:359:163:52
11:13
#16772
Finish
26.22 mi14:55:074:03:179:179:42
9:31
#16747
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi158885500550018272(Top 72%)6850(Top 63%)6850(Top 425%)
10K6.21 mi3.10 mi16598-7105919-4195919-41917379(Top 68%)6355(Top 58%)6355(Top 394%)
15K9.32 mi3.11 mi17198-6006266-3476266-34718272(Top 72%)6850(Top 63%)6850(Top 425%)
20K12.43 mi3.11 mi17424-2266421-1556421-15518152(Top 71%)6782(Top 62%)6782(Top 420%)
Half13.11 mi0.68 mi17398+266412+96412+917342(Top 68%)6420(Top 59%)6420(Top 398%)
25K15.53 mi2.42 mi17527-1296514-1026514-10217904(Top 70%)6770(Top 62%)6770(Top 420%)
30K18.64 mi3.11 mi17463+646516-26516-217236(Top 67%)6644(Top 61%)6644(Top 412%)
20M20.00 mi1.36 mi17327+1366475+416475+4115756(Top 62%)6085(Top 56%)6085(Top 377%)
21M21.00 mi1.00 mi17298+296495-206495-2016348(Top 64%)6512(Top 60%)6512(Top 404%)
35K21.75 mi0.75 mi17156+1426434+616434+6114110(Top 55%)5391(Top 49%)5391(Top 334%)
23M23.00 mi1.25 mi16999+1576376+586376+5814553(Top 57%)5691(Top 52%)5691(Top 353%)
24M24.00 mi1.00 mi16967+326380-46380-416100(Top 63%)6493(Top 59%)6493(Top 403%)
40K24.85 mi0.85 mi16806+1616324+566324+5613655(Top 53%)5368(Top 49%)5368(Top 333%)
25.2M25.20 mi0.35 mi16772+346317+76317+715218(Top 60%)6144(Top 56%)6144(Top 381%)
Finish26.22 mi1.02 mi16747+256336-196336-1916626(Top 65%)6826(Top 62%)6826(Top 423%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

18272

Females

6850

F40-44

6850

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

17379

Females

6355

F40-44

6355

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

18272

Females

6850

F40-44

6850

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18152

Females

6782

F40-44

6782

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

17342

Females

6420

F40-44

6420

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

17904

Females

6770

F40-44

6770

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17236

Females

6644

F40-44

6644

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

15756

Females

6085

F40-44

6085

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16348

Females

6512

F40-44

6512

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14110

Females

5391

F40-44

5391

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

14553

Females

5691

F40-44

5691

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16100

Females

6493

F40-44

6493

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

13655

Females

5368

F40-44

5368

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15218

Females

6144

F40-44

6144

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

16626

Females

6826

F40-44

6826

Passing Analysis

Category:
Athletes Passed
1909
Passed By
2768
Net Change
-859
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15888
5K → 10K85795-710#15888#16598
10K → 15K92692-600#16598#17198
15K → 20K188414-226#17198#17424
20K → Half6135+26#17424#17398
Half → 25K162291-129#17398#17527
25K → 30K273209+64#17527#17463
30K → 20M18044+136#17463#17327
20M → 21M11889+29#17327#17298
21M → 35K15210+142#17298#17156
35K → 23M18528+157#17156#16999
23M → 24M9058+32#16999#16967
24M → 40K18120+161#16967#16806
40K → 25.2M5521+34#16806#16772
25.2M → Finish8762+25#16772#16747
TOTALS19092768-859
📊

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