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BOSTON MARATHON 2024

Chunying Liu

Bib: 30605•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
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
9:27/mi
29:23
↑ 97↓ 3451.5%
10K· 6.21 mi
9:48/mi
59:51
↑ 79↓ 1380.4%
15K· 9.32 mi
10:19/mi
1:31:55
↑ 67↓ 78
20K· 12.43 mi
11:10/mi
2:06:38
↑ 106↓ 860.1%
Half· 13.11 mi
10:17/mi
2:13:39
↑ 19↓ 370.5%
25K· 15.53 mi
11:20/mi
2:41:08
↑ 66↓ 880.2%
30K· 18.64 mi
11:59/mi
3:18:22
↑ 181↓ 1480.2%
20M
11:16/mi
3:33:40
↑ 64↓ 500.2%
21M
12:10/mi
3:45:50
↑ 106↓ 241.6%
35K· 21.75 mi
10:32/mi
3:53:43
↑ 17↓ 861.7%
23M
11:16/mi
4:07:49
↑ 23↓ 630.6%
24M
10:57/mi
4:18:46
↓ 821.3%
40K· 24.85 mi
11:25/mi
4:28:32
↓ 200.3%
25.2M
12:40/mi
4:32:54
↑ 13↓ 160.2%
Finish· 26.22 mi
10:55/mi
4:44:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:39
Pace10:12 /mi
2nd Half
Distance13.11 mi
Time2:30:22
Pace11:28 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3429:239:2729:23
9:27
-
10K
6.21 mi12:26:0259:519:3830:28
9:48
+0:21
15K
9.32 mi12:58:061:31:559:5232:04
10:19
+0:31
20K
12.43 mi13:32:492:06:3810:1134:43
11:10
+0:51
Half
13.11 mi13:39:502:13:3910:127:01
10:17
-0:53
25K
15.53 mi14:07:192:41:0810:2227:29
11:20
+1:03
30K
18.64 mi14:44:333:18:2210:3837:14
11:59
+0:39
20M
20.00 mi14:59:513:33:4010:4115:18
11:16
-0:43
21M
21.00 mi15:12:013:45:5010:4512:10
12:10
+0:54
35K
21.75 mi15:19:543:53:4310:457:53
10:32
-1:38
23M
23.00 mi15:34:004:07:4910:4614:06
11:16
+0:44
24M
24.00 mi15:44:574:18:4610:4710:57
10:57
-0:19
40K
24.85 mi15:54:434:28:3210:489:46
11:25
+0:28
25.2M
25.20 mi15:59:054:32:5410:504:22
12:40
+1:15
Finish
26.22 mi16:10:124:44:0110:5011:07
10:55
-1:45

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

9:27 /mi

Average Pace

10:50 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:49

38% of race

Time at Steady Pace

2:03:26

43% of race

Time at Slower Pace

53:46

19% of race

Average Pace: 10:50 /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 mi11:55:3429:239:2729:23
9:27
#21618
10K
6.21 mi12:26:0259:519:3830:28
9:48
#21903
15K
9.32 mi12:58:061:31:559:5232:04
10:19
#22163
20K
12.43 mi13:32:492:06:3810:1134:43
11:10
#22403
Half
13.11 mi13:39:502:13:3910:127:01
10:17
#22387
25K
15.53 mi14:07:192:41:0810:2227:29
11:20
#22350
30K
18.64 mi14:44:333:18:2210:3837:14
11:59
#22290
20M
20.00 mi14:59:513:33:4010:4115:18
11:16
#22082
21M
21.00 mi15:12:013:45:5010:4512:10
12:10
#21933
35K
21.75 mi15:19:543:53:4310:457:53
10:32
#21806
23M
23.00 mi15:34:004:07:4910:4614:06
11:16
#21657
24M
24.00 mi15:44:574:18:4610:4710:57
10:57
#21548
40K
24.85 mi15:54:434:28:3210:489:46
11:25
#21457
25.2M
25.20 mi15:59:054:32:5410:504:22
12:40
#21426
Finish
26.22 mi16:10:124:44:0110:5011:07
10:55
#21407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi216188722872222585(Top 88%)9204(Top 84%)9204(Top 775%)
10K6.21 mi3.10 mi21903-2858865-1438865-14322110(Top 87%)8976(Top 82%)8976(Top 756%)
15K9.32 mi3.11 mi22163-2608981-1168981-11622585(Top 88%)9204(Top 84%)9204(Top 775%)
20K12.43 mi3.11 mi22403-2409116-1359116-13522927(Top 90%)9414(Top 86%)9414(Top 793%)
Half13.11 mi0.68 mi22387+169108+89108+822232(Top 87%)9078(Top 83%)9078(Top 765%)
25K15.53 mi2.42 mi22350+379097+119097+1122153(Top 87%)9084(Top 83%)9084(Top 765%)
30K18.64 mi3.11 mi22290+609113-169113-1621908(Top 86%)9116(Top 83%)9116(Top 768%)
20M20.00 mi1.36 mi22082+2089036+779036+7719898(Top 78%)8172(Top 75%)8172(Top 688%)
21M21.00 mi1.00 mi21933+1498971+658971+6519201(Top 75%)7916(Top 72%)7916(Top 667%)
35K21.75 mi0.75 mi21806+1278925+468925+4618705(Top 73%)7689(Top 70%)7689(Top 648%)
23M23.00 mi1.25 mi21657+1498873+528873+5219104(Top 75%)7941(Top 73%)7941(Top 669%)
24M24.00 mi1.00 mi21548+1098841+328841+3219114(Top 75%)8021(Top 73%)8021(Top 676%)
40K24.85 mi0.85 mi21457+918812+298812+2919165(Top 75%)8102(Top 74%)8102(Top 683%)
25.2M25.20 mi0.35 mi21426+318803+98803+918979(Top 74%)8009(Top 73%)8009(Top 675%)
Finish26.22 mi1.02 mi21407+198813-108813-1021125(Top 83%)9035(Top 83%)9035(Top 761%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

22585

Females

9204

F50-54

9204

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

22110

Females

8976

F50-54

8976

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

22585

Females

9204

F50-54

9204

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

22927

Females

9414

F50-54

9414

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

22232

Females

9078

F50-54

9078

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

22153

Females

9084

F50-54

9084

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

21908

Females

9116

F50-54

9116

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

19898

Females

8172

F50-54

8172

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19201

Females

7916

F50-54

7916

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

18705

Females

7689

F50-54

7689

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19104

Females

7941

F50-54

7941

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19114

Females

8021

F50-54

8021

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19165

Females

8102

F50-54

8102

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

18979

Females

8009

F50-54

8009

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

21125

Females

9035

F50-54

9035

Passing Analysis

Category:
Athletes Passed
1672
Passed By
1461
Net Change
+211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21618
5K → 10K129414-285#21618#21903
10K → 15K109369-260#21903#22163
15K → 20K99339-240#22163#22403
20K → Half3115+16#22403#22387
Half → 25K142105+37#22387#22350
25K → 30K187127+60#22350#22290
30K → 20M2157+208#22290#22082
20M → 21M1578+149#22082#21933
21M → 35K1314+127#21933#21806
35K → 23M15910+149#21806#21657
23M → 24M12011+109#21657#21548
24M → 40K10110+91#21548#21457
40K → 25.2M376+31#21457#21426
25.2M → Finish5536+19#21426#21407
TOTALS16721461+211
📊

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