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BOSTON MARATHON 2024

Susanna Chang

Bib: 20199•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 48%
Masters (Masters Women)
#0 / 6263
Top 39%
Division (F45-49)
#0 / 1753
Top 49%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:32
Rank: #17992
Start → 5K
26:32 | 8:32/mi
10K· 6.21 mi
53:00
Rank: #17689 (+303)
5K → 10K
26:28 | 8:31/mi
15K· 9.32 mi
1:19:47
Rank: #17466 (+223)
10K → 15K
26:47 | 8:37/mi
20K· 12.43 mi
1:46:45
Rank: #16927 (+539)
15K → 20K
26:58 | 8:41/mi
Half· 13.11 mi
1:52:31
Rank: #16850 (+77)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:13:45
Rank: #16348 (+502)
Half → 25K
21:14 | 8:45/mi
30K· 18.64 mi
2:41:57
Rank: #15821 (+527)
25K → 30K
28:12 | 9:05/mi
20M
2:54:45
Rank: #15704 (+117)
30K → 20M
12:48 | 9:25/mi
21M
3:05:08
Rank: #15634 (+70)
20M → 21M
10:23 | 10:23/mi
35K· 21.75 mi
3:11:50
Rank: #15528 (+106)
21M → 35K
6:42 | 8:57/mi
23M
3:23:22
Rank: #15330 (+198)
35K → 23M
11:32 | 9:13/mi
24M
3:32:12
Rank: #15142 (+188)
23M → 24M
8:50 | 8:50/mi
40K· 24.85 mi
3:39:57
Rank: #14930 (+212)
24M → 40K
7:45 | 9:04/mi
25.2M
3:43:32
Rank: #14861 (+69)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:52:40
Rank: #14810 (+51)
25.2M → Finish
9:08 | 8:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:31
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:00:09
Pace9:10 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:1626:328:3226:32
8:32
-
10K
6.21 mi12:08:4453:008:3226:28
8:31
-0:01
15K
9.32 mi12:35:311:19:478:3426:47
8:37
+0:06
20K
12.43 mi13:02:291:46:458:3526:58
8:41
+0:04
Half
13.11 mi13:08:151:52:318:355:46
8:27
-0:14
25K
15.53 mi13:29:292:13:458:3721:14
8:45
+0:18
30K
18.64 mi13:57:412:41:578:4128:12
9:05
+0:20
20M
20.00 mi14:10:292:54:458:4412:48
9:25
+0:20
21M
21.00 mi14:20:523:05:088:4910:23
10:23
+0:58
35K
21.75 mi14:27:343:11:508:496:42
8:57
-1:26
23M
23.00 mi14:39:063:23:228:5111:32
9:13
+0:16
24M
24.00 mi14:47:563:32:128:518:50
8:50
-0:23
40K
24.85 mi14:55:413:39:578:517:45
9:04
+0:14
25.2M
25.20 mi14:59:163:43:328:523:35
10:23
+1:19
Finish
26.22 mi15:08:243:52:408:539:08
8:58
-1:25

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

8:27 /mi

Average Pace

8:53 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:33

37% of race

Time at Steady Pace

2:00:21

52% of race

Time at Slower Pace

26:46

12% of race

Average Pace: 8:52 /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 mi11:42:1626:328:3226:32
8:32
#17992
10K
6.21 mi12:08:4453:008:3226:28
8:31
#17689
15K
9.32 mi12:35:311:19:478:3426:47
8:37
#17466
20K
12.43 mi13:02:291:46:458:3526:58
8:41
#16927
Half
13.11 mi13:08:151:52:318:355:46
8:27
#16850
25K
15.53 mi13:29:292:13:458:3721:14
8:45
#16348
30K
18.64 mi13:57:412:41:578:4128:12
9:05
#15821
20M
20.00 mi14:10:292:54:458:4412:48
9:25
#15704
21M
21.00 mi14:20:523:05:088:4910:23
10:23
#15634
35K
21.75 mi14:27:343:11:508:496:42
8:57
#15528
23M
23.00 mi14:39:063:23:228:5111:32
9:13
#15330
24M
24.00 mi14:47:563:32:128:518:50
8:50
#15142
40K
24.85 mi14:55:413:39:578:517:45
9:04
#14930
25.2M
25.20 mi14:59:163:43:328:523:35
10:23
#14861
Finish
26.22 mi15:08:243:52:408:539:08
8:58
#14810
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi179926752675217084(Top 67%)6186(Top 57%)6186(Top 353%)
10K6.21 mi3.10 mi17689+3036554+1986554+19817402(Top 68%)6367(Top 58%)6367(Top 363%)
15K9.32 mi3.11 mi17466+2236410+1446410+14417084(Top 67%)6186(Top 57%)6186(Top 353%)
20K12.43 mi3.11 mi16927+5396122+2886122+28815742(Top 62%)5435(Top 50%)5435(Top 310%)
Half13.11 mi0.68 mi16850+776083+396083+3915474(Top 61%)5317(Top 49%)5317(Top 303%)
25K15.53 mi2.42 mi16348+5025809+2745809+27414379(Top 56%)4827(Top 44%)4827(Top 275%)
30K18.64 mi3.11 mi15821+5275564+2455564+24513612(Top 53%)4628(Top 42%)4628(Top 264%)
20M20.00 mi1.36 mi15704+1175538+265538+2614168(Top 55%)5214(Top 48%)5214(Top 297%)
21M21.00 mi1.00 mi15634+705544-65544-614456(Top 57%)5539(Top 51%)5539(Top 316%)
35K21.75 mi0.75 mi15528+1065503+415503+4113122(Top 51%)4875(Top 45%)4875(Top 278%)
23M23.00 mi1.25 mi15330+1985441+625441+6212213(Top 48%)4517(Top 41%)4517(Top 258%)
24M24.00 mi1.00 mi15142+1885363+785363+7811324(Top 44%)4080(Top 37%)4080(Top 233%)
40K24.85 mi0.85 mi14930+2125290+735290+7311203(Top 44%)4157(Top 38%)4157(Top 237%)
25.2M25.20 mi0.35 mi14861+695267+235267+2312482(Top 49%)4847(Top 44%)4847(Top 276%)
Finish26.22 mi1.02 mi14810+515268-15268-114021(Top 55%)5488(Top 50%)5488(Top 313%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17084

Females

6186

F45-49

6186

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

17402

Females

6367

F45-49

6367

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17084

Females

6186

F45-49

6186

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

15742

Females

5435

F45-49

5435

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

15474

Females

5317

F45-49

5317

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14379

Females

4827

F45-49

4827

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

13612

Females

4628

F45-49

4628

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14168

Females

5214

F45-49

5214

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

14456

Females

5539

F45-49

5539

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13122

Females

4875

F45-49

4875

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12213

Females

4517

F45-49

4517

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11324

Females

4080

F45-49

4080

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11203

Females

4157

F45-49

4157

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12482

Females

4847

F45-49

4847

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14021

Females

5488

F45-49

5488

Passing Analysis

Category:
Athletes Passed
3802
Passed By
620
Net Change
+3182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17992
5K → 10K449146+303#17992#17689
10K → 15K352129+223#17689#17466
15K → 20K57435+539#17466#16927
20K → Half847+77#16927#16850
Half → 25K51412+502#16850#16348
25K → 30K55932+527#16348#15821
30K → 20M18063+117#15821#15704
20M → 21M15080+70#15704#15634
21M → 35K12418+106#15634#15528
35K → 23M21921+198#15528#15330
23M → 24M1957+188#15330#15142
24M → 40K2175+212#15142#14930
40K → 25.2M8213+69#14930#14861
25.2M → Finish10352+51#14861#14810
TOTALS3802620+3182
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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