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BOSTON MARATHON 2024

Chien-Li Lien

Bib: 7458 F TW

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 22%
Gender (Female)
#0 / 10924
Top 7%
Masters (Masters Women)
#0 / 6263
Top 2%
Division (F50-54)
#0 / 1187
Top 0.7%
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
6:49/mi
21:12
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:58/mi
42:51
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:07/mi
1:04:57
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:23/mi
1:27:54
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:12/mi
1:32:49
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:25/mi
1:50:49
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:44/mi
2:14:51
↑ 181↓ 1480.2%
138 ft elev
20M
7:52/mi
2:25:32
↑ 64↓ 500.2%
148 ft elev
21M
8:21/mi
2:33:53
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:29/mi
2:39:29
↑ 17↓ 861.7%
156 ft elev
23M
7:43/mi
2:49:09
↑ 23↓ 630.6%
116 ft elev
24M
7:35/mi
2:56:44
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:51/mi
3:03:27
↓ 200.3%
20 ft elev
25.2M
8:36/mi
3:06:25
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:41/mi
3:14:15
↑ 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
1:32:497:05 /mi⚡ faster
2nd Half
1:41:267:44 /mi+9.3%
Positive split — 9.3% 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
21:126:493.11 mi21:12
6:49
-
10K
42:516:543.10 mi21:39
6:58
+0:09
15K
1:04:576:583.11 mi22:06
7:07
+0:09
20K
1:27:547:043.11 mi22:57
7:23
+0:16
Half(13.11 mi)
1:32:497:050.68 mi4:55
7:12
-0:11
25K
1:50:497:082.42 mi18:00
7:25
+0:13
30K
2:14:517:143.11 mi24:02
7:44
+0:19
20M
2:25:327:171.36 mi10:41
7:52
+0:08
21M
2:33:537:201.00 mi8:21
8:21
+0:29
35K
2:39:297:200.75 mi5:36
7:29
-0:52
23M
2:49:097:211.25 mi9:40
7:43
+0:14
24M
2:56:447:221.00 mi7:35
7:35
-0:08
40K
3:03:277:230.85 mi6:43
7:51
+0:16
25.2M
3:06:257:240.35 mi2:58
8:36
+0:45
Finish(26.22 mi)
3:14:157:251.02 mi7:50
7:41
-0:55
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:49 /mi

Average Pace

7:25 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:09:52

36% of race

Time at Steady Pace

1:35:40

49% of race

Time at Slower Pace

28:43

15% of race

Average Pace: 7:25 /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. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi58585145146891879879
10K3.10 mi6144-286596-82596-826470717717
15K3.11 mi6381-237672-76672-766891879879
20K3.11 mi6619-238770-98770-98755011971197
Half(13.11 mi)0.68 mi6632-13777-7777-7706210061006
25K2.42 mi6547+85787-10787-106551992992
30K3.11 mi6382+165798-11798-11633710931093
20M1.36 mi6261+121803-5803-5604011471147
21M1.00 mi6132+129793+10793+10555110961096
35K0.75 mi6024+108781+12781+125020885885
23M1.25 mi5831+193763+18763+184481792792
24M1.00 mi5700+131747+16747+164478871871
40K0.85 mi5585+115745+2745+2507812141214
25.2M0.35 mi5545+40752-7752-7489011931193
Finish(26.22 mi)1.02 mi5522+23772-20772-20667019531953

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

6891

Females

879

F50-54

879

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6470

Females

717

F50-54

717

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

6891

Females

879

F50-54

879

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7550

Females

1197

F50-54

1197

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7062

Females

1006

F50-54

1006

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

6551

Females

992

F50-54

992

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6337

Females

1093

F50-54

1093

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6040

Females

1147

F50-54

1147

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5551

Females

1096

F50-54

1096

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5020

Females

885

F50-54

885

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4481

Females

792

F50-54

792

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4478

Females

871

F50-54

871

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5078

Females

1214

F50-54

1214

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4890

Females

1193

F50-54

1193

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6670

Females

1953

F50-54

1953

Passing Analysis

Category:
Passed
1881
Passed By
1545
Net Change
+336
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5858
5K → 10K102388-286#5858#6144
10K → 15K76313-237#6144#6381
15K → 20K104342-238#6381#6619
20K → Half2336-13#6619#6632
Half → 25K188103+85#6632#6547
25K → 30K292127+165#6547#6382
30K → 20M17251+121#6382#6261
20M → 21M16940+129#6261#6132
21M → 35K12113+108#6132#6024
35K → 23M21926+193#6024#5831
23M → 24M14413+131#5831#5700
24M → 40K13217+115#5700#5585
40K → 25.2M5919+40#5585#5545
25.2M → Finish8057+23#5545#5522
TOTALS18811545+336

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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