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BOSTON MARATHON 2024

Chunhua Liu

WA

Bib: 5487 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 21%
Gender (Female)
#0 / 10924
Top 7%
Masters (Masters Women)
#0 / 6263
Top 2%
Division (F55-59)
#0 / 876
Top 0.2%
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
6:41/mi
20:45
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:55/mi
42:15
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:02/mi
1:04:05
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:16/mi
1:26:39
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:01/mi
1:31:26
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:21/mi
1:49:15
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:47/mi
2:13:26
↑ 181↓ 1480.2%
138 ft elev
20M
7:57/mi
2:24:14
↑ 64↓ 500.2%
148 ft elev
21M
8:37/mi
2:32:51
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:29/mi
2:38:27
↑ 17↓ 861.7%
156 ft elev
23M
7:54/mi
2:48:21
↑ 23↓ 630.6%
116 ft elev
24M
7:40/mi
2:56:01
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:51/mi
3:02:44
↓ 200.3%
20 ft elev
25.2M
8:30/mi
3:05:40
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:56/mi
3:13:45
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:31:266:58 /mi⚡ faster
2nd Half
1:42:197:48 /mi+11.9%
Positive split — 11.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:456:413.11 mi20:45
6:41
-
10K
42:156:483.10 mi21:30
6:55
+0:14
15K
1:04:056:533.11 mi21:50
7:02
+0:07
20K
1:26:396:583.11 mi22:34
7:16
+0:14
Half(13.11 mi)
1:31:266:580.68 mi4:47
7:01
-0:15
25K
1:49:157:022.42 mi17:49
7:21
+0:20
30K
2:13:267:093.11 mi24:11
7:47
+0:26
20M
2:24:147:131.36 mi10:48
7:57
+0:10
21M
2:32:517:171.00 mi8:37
8:37
+0:40
35K
2:38:277:170.75 mi5:36
7:29
-1:08
23M
2:48:217:191.25 mi9:54
7:54
+0:25
24M
2:56:017:201.00 mi7:40
7:40
-0:14
40K
3:02:447:210.85 mi6:43
7:51
+0:11
25.2M
3:05:407:220.35 mi2:56
8:30
+0:39
Finish(26.22 mi)
3:13:457:241.02 mi8:05
7:56
-0:34
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:41 /mi

Average Pace

7:24 /mi

Slowest Pace

8:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:49:15

56% of race

Time at Steady Pace

1:02:09

32% of race

Time at Slower Pace

22:21

12% of race

Average Pace: 7:23 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi46843093096397722722
10K3.10 mi5424-740431-122431-1226155617617
15K3.11 mi5765-341507-76507-766397722722
20K3.11 mi6002-237592-85592-856770919919
Half(13.11 mi)0.68 mi5981+21591+1591+15890635635
25K2.42 mi5915+66610-19610-196119850850
30K3.11 mi5911+4674-64674-64662312021202
20M1.36 mi5891+20697-23697-23646813111311
21M1.00 mi5845+46712-15712-15678216121612
35K0.75 mi5749+96707+5707+55016881881
23M1.25 mi5635+114709-2709-2532011401140
24M1.00 mi5508+127694+15694+15487510221022
40K0.85 mi5430+78704-10704-10507612121212
25.2M0.35 mi5385+45702+2702+2450810201020
Finish(26.22 mi)1.02 mi5412-27739-37739-37813826442644

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6397

Females

722

F55-59

722

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6155

Females

617

F55-59

617

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6397

Females

722

F55-59

722

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6770

Females

919

F55-59

919

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

5890

Females

635

F55-59

635

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6119

Females

850

F55-59

850

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6623

Females

1202

F55-59

1202

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6468

Females

1311

F55-59

1311

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

6782

Females

1612

F55-59

1612

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5016

Females

881

F55-59

881

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5320

Females

1140

F55-59

1140

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

4875

Females

1022

F55-59

1022

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5076

Females

1212

F55-59

1212

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4508

Females

1020

F55-59

1020

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8138

Females

2644

F55-59

2644

Passing Analysis

Category:
Passed
1525
Passed By
2253
Net Change
-728
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4684
5K → 10K34774-740#4684#5424
10K → 15K62403-341#5424#5765
15K → 20K100337-237#5765#6002
20K → Half4019+21#6002#5981
Half → 25K185119+66#5981#5915
25K → 30K212208+4#5915#5911
30K → 20M10787+20#5911#5891
20M → 21M12175+46#5891#5845
21M → 35K11519+96#5845#5749
35K → 23M16248+114#5749#5635
23M → 24M14922+127#5635#5508
24M → 40K10830+78#5508#5430
40K → 25.2M6116+45#5430#5385
25.2M → Finish6996-27#5385#5412
TOTALS15252253-728

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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