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BOSTON MARATHON 2024

Chiehwen Hsu

Bib: 20388•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 49%
Division (F45-49)
#0 / 1753
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
8:38/mi
26:50
↑ 97↓ 3451.5%
10K· 6.21 mi
8:48/mi
54:11
↑ 79↓ 1380.4%
15K· 9.32 mi
9:05/mi
1:22:24
↑ 67↓ 78
20K· 12.43 mi
9:51/mi
1:52:59
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:58:52
↑ 19↓ 370.5%
25K· 15.53 mi
9:01/mi
2:20:44
↑ 66↓ 880.2%
30K· 18.64 mi
9:13/mi
2:49:23
↑ 181↓ 1480.2%
20M
9:05/mi
3:01:44
↑ 64↓ 500.2%
21M
9:56/mi
3:11:40
↑ 106↓ 241.6%
35K· 21.75 mi
9:21/mi
3:18:40
↑ 17↓ 861.7%
23M
10:07/mi
3:31:20
↑ 23↓ 630.6%
24M
9:21/mi
3:40:41
↓ 821.3%
40K· 24.85 mi
9:23/mi
3:48:42
↓ 200.3%
25.2M
11:39/mi
3:52:43
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
4:01:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:52
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:02:31
Pace9:21 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1526:508:3826:50
8:38
-
10K
6.21 mi11:50:3654:118:4327:21
8:48
+0:10
15K
9.32 mi12:18:491:22:248:5028:13
9:05
+0:17
20K
12.43 mi12:49:241:52:599:0530:35
9:51
+0:46
Half
13.11 mi12:55:171:58:529:045:53
8:37
-1:14
25K
15.53 mi13:17:092:20:449:0421:52
9:01
+0:24
30K
18.64 mi13:45:482:49:239:0528:39
9:13
+0:12
20M
20.00 mi13:58:093:01:449:0512:21
9:05
-0:08
21M
21.00 mi14:08:053:11:409:089:56
9:56
+0:51
35K
21.75 mi14:15:053:18:409:087:00
9:21
-0:35
23M
23.00 mi14:27:453:31:209:1112:40
10:07
+0:46
24M
24.00 mi14:37:063:40:419:129:21
9:21
-0:46
40K
24.85 mi14:45:073:48:429:128:01
9:23
+0:02
25.2M
25.20 mi14:49:083:52:439:144:01
11:39
+2:16
Finish
26.22 mi14:57:484:01:239:138:40
8:30
-3:09

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

8:30 /mi

Average Pace

9:13 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:44

28% of race

Time at Steady Pace

1:55:27

48% of race

Time at Slower Pace

57:12

24% of race

Average Pace: 9:12 /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 mi11:23:1526:508:3826:50
8:38
#18526
10K
6.21 mi11:50:3654:118:4327:21
8:48
#18692
15K
9.32 mi12:18:491:22:248:5028:13
9:05
#18886
20K
12.43 mi12:49:241:52:599:0530:35
9:51
#19341
Half
13.11 mi12:55:171:58:529:045:53
8:37
#19206
25K
15.53 mi13:17:092:20:449:0421:52
9:01
#18576
30K
18.64 mi13:45:482:49:239:0528:39
9:13
#17770
20M
20.00 mi13:58:093:01:449:0512:21
9:05
#17392
21M
21.00 mi14:08:053:11:409:089:56
9:56
#17114
35K
21.75 mi14:15:053:18:409:087:00
9:21
#17014
23M
23.00 mi14:27:453:31:209:1112:40
10:07
#16962
24M
24.00 mi14:37:063:40:419:129:21
9:21
#16811
40K
24.85 mi14:45:073:48:429:128:01
9:23
#16636
25.2M
25.20 mi14:49:083:52:439:144:01
11:39
#16625
Finish
26.22 mi14:57:484:01:239:138:40
8:30
#16441
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi185267069706919247(Top 75%)7380(Top 68%)7380(Top 421%)
10K6.21 mi3.10 mi18692-1667155-867155-8618885(Top 74%)7235(Top 66%)7235(Top 413%)
15K9.32 mi3.11 mi18886-1947238-837238-8319247(Top 75%)7380(Top 68%)7380(Top 421%)
20K12.43 mi3.11 mi19341-4557486-2487486-24820161(Top 79%)7900(Top 72%)7900(Top 451%)
Half13.11 mi0.68 mi19206+1357414+727414+7216452(Top 64%)5911(Top 54%)5911(Top 337%)
25K15.53 mi2.42 mi18576+6307080+3347080+33415603(Top 61%)5504(Top 50%)5504(Top 314%)
30K18.64 mi3.11 mi17770+8066703+3776703+37714287(Top 56%)5030(Top 46%)5030(Top 287%)
20M20.00 mi1.36 mi17392+3786509+1946509+19412604(Top 49%)4360(Top 40%)4360(Top 249%)
21M21.00 mi1.00 mi17114+2786386+1236386+12312733(Top 50%)4657(Top 43%)4657(Top 266%)
35K21.75 mi0.75 mi17014+1006353+336353+3314974(Top 59%)5832(Top 53%)5832(Top 333%)
23M23.00 mi1.25 mi16962+526354-16354-115857(Top 62%)6324(Top 58%)6324(Top 361%)
24M24.00 mi1.00 mi16811+1516295+596295+5913803(Top 54%)5347(Top 49%)5347(Top 305%)
40K24.85 mi0.85 mi16636+1756226+696226+6912647(Top 49%)4872(Top 45%)4872(Top 278%)
25.2M25.20 mi0.35 mi16625+116233-76233-716471(Top 64%)6769(Top 62%)6769(Top 386%)
Finish26.22 mi1.02 mi16441+1846163+706163+7011579(Top 45%)4277(Top 39%)4277(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19247

Females

7380

F45-49

7380

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

18885

Females

7235

F45-49

7235

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19247

Females

7380

F45-49

7380

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20161

Females

7900

F45-49

7900

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

16452

Females

5911

F45-49

5911

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

15603

Females

5504

F45-49

5504

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14287

Females

5030

F45-49

5030

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12604

Females

4360

F45-49

4360

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

12733

Females

4657

F45-49

4657

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

14974

Females

5832

F45-49

5832

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

15857

Females

6324

F45-49

6324

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

13803

Females

5347

F45-49

5347

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12647

Females

4872

F45-49

4872

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16471

Females

6769

F45-49

6769

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11579

Females

4277

F45-49

4277

Passing Analysis

Category:
Athletes Passed
3562
Passed By
1477
Net Change
+2085
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18526
5K → 10K216382-166#18526#18692
10K → 15K148342-194#18692#18886
15K → 20K130585-455#18886#19341
20K → Half1350+135#19341#19206
Half → 25K6344+630#19206#18576
25K → 30K8126+806#18576#17770
30K → 20M3824+378#17770#17392
20M → 21M2879+278#17392#17114
21M → 35K11818+100#17114#17014
35K → 23M12068+52#17014#16962
23M → 24M16918+151#16962#16811
24M → 40K1816+175#16811#16636
40K → 25.2M3928+11#16636#16625
25.2M → Finish1917+184#16625#16441
TOTALS35621477+2085
📊

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