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BOSTON MARATHON 2024

Ihsiu Kuang

Bib: 17400•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 44%
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
8:25/mi
26:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:27/mi
52:22
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:19:23
↑ 67↓ 78
20K· 12.43 mi
8:58/mi
1:47:16
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:53:08
↑ 19↓ 370.5%
25K· 15.53 mi
9:07/mi
2:15:15
↑ 66↓ 880.2%
30K· 18.64 mi
9:42/mi
2:45:22
↑ 181↓ 1480.2%
20M
9:33/mi
2:58:20
↑ 64↓ 500.2%
21M
10:16/mi
3:08:36
↑ 106↓ 241.6%
35K· 21.75 mi
9:04/mi
3:15:23
↑ 17↓ 861.7%
23M
9:21/mi
3:27:06
↑ 23↓ 630.6%
24M
9:06/mi
3:36:12
↓ 821.3%
40K· 24.85 mi
9:16/mi
3:44:07
↓ 200.3%
25.2M
10:32/mi
3:47:45
↑ 13↓ 160.2%
Finish· 26.22 mi
8:58/mi
3:56:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:08
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:03:45
Pace9:26 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4026:088:2526:08
8:25
-
10K
6.21 mi11:42:5452:228:2626:14
8:27
+0:02
15K
9.32 mi12:09:551:19:238:3127:01
8:42
+0:15
20K
12.43 mi12:37:481:47:168:3827:53
8:58
+0:16
Half
13.11 mi12:43:401:53:088:385:52
8:36
-0:22
25K
15.53 mi13:05:472:15:158:4222:07
9:07
+0:31
30K
18.64 mi13:35:542:45:228:5230:07
9:42
+0:35
20M
20.00 mi13:48:522:58:208:5512:58
9:33
-0:09
21M
21.00 mi13:59:083:08:368:5910:16
10:16
+0:43
35K
21.75 mi14:05:553:15:238:596:47
9:04
-1:12
23M
23.00 mi14:17:383:27:069:0011:43
9:21
+0:17
24M
24.00 mi14:26:443:36:129:019:06
9:06
-0:15
40K
24.85 mi14:34:393:44:079:017:55
9:16
+0:10
25.2M
25.20 mi14:38:173:47:459:023:38
10:32
+1:16
Finish
26.22 mi14:47:253:56:539:029:08
8:58
-1:34

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

8:25 /mi

Average Pace

9:02 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:15

36% of race

Time at Steady Pace

1:34:39

40% of race

Time at Slower Pace

56:59

24% of race

Average Pace: 9:02 /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 mi11:16:4026:088:2526:08
8:25
#17289
10K
6.21 mi11:42:5452:228:2626:14
8:27
#17090
15K
9.32 mi12:09:551:19:238:3127:01
8:42
#17195
20K
12.43 mi12:37:481:47:168:3827:53
8:58
#17150
Half
13.11 mi12:43:401:53:088:385:52
8:36
#17083
25K
15.53 mi13:05:472:15:158:4222:07
9:07
#16862
30K
18.64 mi13:35:542:45:228:5230:07
9:42
#16738
20M
20.00 mi13:48:522:58:208:5512:58
9:33
#16587
21M
21.00 mi13:59:083:08:368:5910:16
10:16
#16453
35K
21.75 mi14:05:553:15:238:596:47
9:04
#16336
23M
23.00 mi14:17:383:27:069:0011:43
9:21
#16136
24M
24.00 mi14:26:443:36:129:019:06
9:06
#15973
40K
24.85 mi14:34:393:44:079:017:55
9:16
#15781
25.2M
25.20 mi14:38:173:47:459:023:38
10:32
#15718
Finish
26.22 mi14:47:253:56:539:029:08
8:58
#15651
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi172896330633017470(Top 68%)6412(Top 59%)6412(Top 366%)
10K6.21 mi3.10 mi17090+1996201+1296201+12916931(Top 66%)6084(Top 56%)6084(Top 347%)
15K9.32 mi3.11 mi17195-1056263-626263-6217470(Top 68%)6412(Top 59%)6412(Top 366%)
20K12.43 mi3.11 mi17150+456255+86255+817235(Top 67%)6288(Top 58%)6288(Top 359%)
Half13.11 mi0.68 mi17083+676227+286227+2816297(Top 64%)5805(Top 53%)5805(Top 331%)
25K15.53 mi2.42 mi16862+2216109+1186109+11816101(Top 63%)5780(Top 53%)5780(Top 330%)
30K18.64 mi3.11 mi16738+1246108+16108+116226(Top 64%)6086(Top 56%)6086(Top 347%)
20M20.00 mi1.36 mi16587+1516066+426066+4214719(Top 58%)5513(Top 50%)5513(Top 314%)
21M21.00 mi1.00 mi16453+1345999+675999+6714014(Top 55%)5320(Top 49%)5320(Top 303%)
35K21.75 mi0.75 mi16336+1175960+395960+3913662(Top 53%)5155(Top 47%)5155(Top 294%)
23M23.00 mi1.25 mi16136+2005882+785882+7812894(Top 50%)4857(Top 44%)4857(Top 277%)
24M24.00 mi1.00 mi15973+1635830+525830+5212681(Top 50%)4766(Top 44%)4766(Top 272%)
40K24.85 mi0.85 mi15781+1925753+775753+7712092(Top 47%)4589(Top 42%)4589(Top 262%)
25.2M25.20 mi0.35 mi15718+635731+225731+2212993(Top 51%)5094(Top 47%)5094(Top 291%)
Finish26.22 mi1.02 mi15651+675717+145717+1414029(Top 55%)5496(Top 50%)5496(Top 314%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

17470

Females

6412

F45-49

6412

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

16931

Females

6084

F45-49

6084

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

17470

Females

6412

F45-49

6412

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17235

Females

6288

F45-49

6288

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

16297

Females

5805

F45-49

5805

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16101

Females

5780

F45-49

5780

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16226

Females

6086

F45-49

6086

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

14719

Females

5513

F45-49

5513

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14014

Females

5320

F45-49

5320

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

13662

Females

5155

F45-49

5155

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

12894

Females

4857

F45-49

4857

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

12681

Females

4766

F45-49

4766

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12092

Females

4589

F45-49

4589

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

12993

Females

5094

F45-49

5094

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14029

Females

5496

F45-49

5496

Passing Analysis

Category:
Athletes Passed
2833
Passed By
1195
Net Change
+1638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17289
5K → 10K385186+199#17289#17090
10K → 15K211316-105#17090#17195
15K → 20K289244+45#17195#17150
20K → Half769+67#17150#17083
Half → 25K30584+221#17083#16862
25K → 30K310186+124#16862#16738
30K → 20M19645+151#16738#16587
20M → 21M16935+134#16587#16453
21M → 35K12710+117#16453#16336
35K → 23M21919+200#16336#16136
23M → 24M17411+163#16136#15973
24M → 40K1975+192#15973#15781
40K → 25.2M729+63#15781#15718
25.2M → Finish10336+67#15718#15651
TOTALS28331195+1638
📊

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