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BOSTON MARATHON 2024

Tzu Ying Chen

Bib: 18522•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 48%
Division (F50-54)
#0 / 1187
Top 45%
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
8:24/mi
26:07
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
51:33
↑ 79↓ 1380.4%
15K· 9.32 mi
8:21/mi
1:17:30
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:44:53
↑ 106↓ 860.1%
Half· 13.11 mi
12:44/mi
1:53:34
↑ 19↓ 370.5%
25K· 15.53 mi
9:23/mi
2:16:20
↑ 66↓ 880.2%
30K· 18.64 mi
9:49/mi
2:46:49
↑ 181↓ 1480.2%
20M
10:28/mi
3:01:02
↑ 64↓ 500.2%
21M
10:13/mi
3:11:15
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:18:29
↑ 17↓ 861.7%
23M
10:02/mi
3:31:03
↑ 23↓ 630.6%
24M
8:40/mi
3:39:43
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:47:23
↓ 200.3%
25.2M
11:19/mi
3:51:17
↑ 13↓ 160.2%
Finish· 26.22 mi
8:45/mi
4:00:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:34
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:06:38
Pace9:40 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3026:078:2426:07
8:24
-
10K
6.21 mi12:06:5651:338:1825:26
8:11
-0:13
15K
9.32 mi12:32:531:17:308:1925:57
8:21
+0:10
20K
12.43 mi13:00:161:44:538:2627:23
8:49
+0:28
Half
13.11 mi13:08:571:53:348:408:41
12:44
+3:55
25K
15.53 mi13:31:432:16:208:4722:46
9:23
-3:21
30K
18.64 mi14:02:122:46:498:5730:29
9:49
+0:26
20M
20.00 mi14:16:253:01:029:0314:13
10:28
+0:39
21M
21.00 mi14:26:383:11:159:0610:13
10:13
-0:15
35K
21.75 mi14:33:523:18:299:087:14
9:40
-0:33
23M
23.00 mi14:46:263:31:039:1112:34
10:02
+0:22
24M
24.00 mi14:55:063:39:439:098:40
8:40
-1:22
40K
24.85 mi15:02:463:47:239:097:40
8:58
+0:18
25.2M
25.20 mi15:06:403:51:179:113:54
11:19
+2:21
Finish
26.22 mi15:15:354:00:129:108:55
8:45
-2:34

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

9:10 /mi

Slowest Pace

12:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:05

40% of race

Time at Steady Pace

1:35:32

40% of race

Time at Slower Pace

49:35

21% of race

Average Pace: 9:10 /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 mi11:41:3026:078:2426:07
8:24
#17257
10K
6.21 mi12:06:5651:338:1825:26
8:11
#16322
15K
9.32 mi12:32:531:17:308:1925:57
8:21
#16018
20K
12.43 mi13:00:161:44:538:2627:23
8:49
#16067
Half
13.11 mi13:08:571:53:348:408:41
12:44
#17234
25K
15.53 mi13:31:432:16:208:4722:46
9:23
#17233
30K
18.64 mi14:02:122:46:498:5730:29
9:49
#17119
20M
20.00 mi14:16:253:01:029:0314:13
10:28
#17213
21M
21.00 mi14:26:383:11:159:0610:13
10:13
#17021
35K
21.75 mi14:33:523:18:299:087:14
9:40
#16978
23M
23.00 mi14:46:263:31:039:1112:34
10:02
#16907
24M
24.00 mi14:55:063:39:439:098:40
8:40
#16652
40K
24.85 mi15:02:463:47:239:097:40
8:58
#16379
25.2M
25.20 mi15:06:403:51:179:113:54
11:19
#16376
Finish
26.22 mi15:15:354:00:129:108:55
8:45
#16263
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi172576312631215584(Top 61%)5313(Top 49%)5313(Top 448%)
10K6.21 mi3.10 mi16322+9355755+5575755+55715457(Top 60%)5191(Top 48%)5191(Top 437%)
15K9.32 mi3.11 mi16018+3045569+1865569+18615584(Top 61%)5313(Top 49%)5313(Top 448%)
20K12.43 mi3.11 mi16067-495611-425611-4216472(Top 64%)5874(Top 54%)5874(Top 495%)
Half13.11 mi0.68 mi17234-11676324-7136324-71325049(Top 98%)10655(Top 98%)10655(Top 898%)
25K15.53 mi2.42 mi17233+16330-66330-617171(Top 67%)6371(Top 58%)6371(Top 537%)
30K18.64 mi3.11 mi17119+1146324+66324+616681(Top 65%)6339(Top 58%)6339(Top 534%)
20M20.00 mi1.36 mi17213-946407-836407-8317890(Top 70%)7145(Top 65%)7145(Top 602%)
21M21.00 mi1.00 mi17021+1926340+676340+6713825(Top 54%)5225(Top 48%)5225(Top 440%)
35K21.75 mi0.75 mi16978+436334+66334+616101(Top 63%)6393(Top 59%)6393(Top 539%)
23M23.00 mi1.25 mi16907+716323+116323+1115608(Top 61%)6215(Top 57%)6215(Top 524%)
24M24.00 mi1.00 mi16652+2556199+1246199+12410440(Top 41%)3669(Top 34%)3669(Top 309%)
40K24.85 mi0.85 mi16379+2736084+1156084+11510763(Top 42%)3962(Top 36%)3962(Top 334%)
25.2M25.20 mi0.35 mi16376+36091-76091-715525(Top 61%)6297(Top 58%)6297(Top 530%)
Finish26.22 mi1.02 mi16263+1136058+336058+3312945(Top 51%)4948(Top 45%)4948(Top 417%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

15584

Females

5313

F50-54

5313

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15457

Females

5191

F50-54

5191

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

15584

Females

5313

F50-54

5313

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

16472

Females

5874

F50-54

5874

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

25049

Females

10655

F50-54

10655

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17171

Females

6371

F50-54

6371

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

16681

Females

6339

F50-54

6339

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

17890

Females

7145

F50-54

7145

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

13825

Females

5225

F50-54

5225

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16101

Females

6393

F50-54

6393

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

15608

Females

6215

F50-54

6215

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10440

Females

3669

F50-54

3669

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

10763

Females

3962

F50-54

3962

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15525

Females

6297

F50-54

6297

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

12945

Females

4948

F50-54

4948

Passing Analysis

Category:
Athletes Passed
3329
Passed By
2335
Net Change
+994
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17257
5K → 10K97742+935#17257#16322
10K → 15K39288+304#16322#16018
15K → 20K236285-49#16018#16067
20K → Half11168-1167#16067#17234
Half → 25K199198+1#17234#17233
25K → 30K316202+114#17233#17119
30K → 20M85179-94#17119#17213
20M → 21M21018+192#17213#17021
21M → 35K9047+43#17021#16978
35K → 23M12554+71#16978#16907
23M → 24M2572+255#16907#16652
24M → 40K2741+273#16652#16379
40K → 25.2M4138+3#16379#16376
25.2M → Finish12613+113#16376#16263
TOTALS33292335+994
📊

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