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BOSTON MARATHON 2024

Debra Kwong

Bib: 26401•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:32
Rank: #22595
Start → 5K
30:32 | 9:50/mi
10K· 6.21 mi
59:50
Rank: #21900 (+695)
5K → 10K
29:18 | 9:26/mi
15K· 9.32 mi
1:29:28
Rank: #21497 (+403)
10K → 15K
29:38 | 9:32/mi
20K· 12.43 mi
2:04:34
Rank: #22013 (-516)
15K → 20K
35:06 | 11:18/mi
Half· 13.11 mi
2:11:57
Rank: #22090 (-77)
20K → Half
7:23 | 10:49/mi
25K· 15.53 mi
2:39:46
Rank: #22174 (-84)
Half → 25K
27:49 | 11:28/mi
30K· 18.64 mi
3:20:53
Rank: #22530 (-356)
25K → 30K
41:07 | 13:14/mi
20M
3:38:54
Rank: #22624 (-94)
30K → 20M
18:01 | 13:15/mi
21M
3:53:51
Rank: #22729 (-105)
20M → 21M
14:57 | 14:57/mi
35K· 21.75 mi
4:04:02
Rank: #22805 (-76)
21M → 35K
10:11 | 13:37/mi
23M
4:21:36
Rank: #22899 (-94)
35K → 23M
17:34 | 14:02/mi
24M
4:34:12
Rank: #22899
23M → 24M
12:36 | 12:36/mi
40K· 24.85 mi
4:45:32
Rank: #22904 (-5)
24M → 40K
11:20 | 13:15/mi
25.2M
4:50:25
Rank: #22904
40K → 25.2M
4:53 | 14:10/mi
Finish· 26.22 mi
5:00:55
Rank: #22833 (+71)
25.2M → Finish
10:30 | 10:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:57
Pace10:04 /mi
2nd Half
Distance13.11 mi
Time2:48:58
Pace12:53 /mi
📊Positive Split: 28.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:2030:329:5030:32
9:50
-
10K
6.21 mi12:16:3859:509:3829:18
9:26
-0:24
15K
9.32 mi12:46:161:29:289:3629:38
9:32
+0:06
20K
12.43 mi13:21:222:04:3410:0135:06
11:18
+1:46
Half
13.11 mi13:28:452:11:5710:047:23
10:49
-0:29
25K
15.53 mi13:56:342:39:4610:1727:49
11:28
+0:39
30K
18.64 mi14:37:413:20:5310:4741:07
13:14
+1:46
20M
20.00 mi14:55:423:38:5410:5718:01
13:15
+0:01
21M
21.00 mi15:10:393:53:5111:0814:57
14:57
+1:42
35K
21.75 mi15:20:504:04:0211:1310:11
13:37
-1:20
23M
23.00 mi15:38:244:21:3611:2217:34
14:02
+0:25
24M
24.00 mi15:51:004:34:1211:2612:36
12:36
-1:26
40K
24.85 mi16:02:204:45:3211:2911:20
13:15
+0:39
25.2M
25.20 mi16:07:134:50:2511:314:53
14:10
+0:55
Finish
26.22 mi16:17:435:00:5511:2910:30
10:18
-3:52

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

9:26 /mi

Average Pace

11:29 /mi

Slowest Pace

14:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:16

57% of race

Time at Steady Pace

1:23:04

28% of race

Time at Slower Pace

47:35

16% of race

Average Pace: 11:29 /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 mi11:47:2030:329:5030:32
9:50
#22595
10K
6.21 mi12:16:3859:509:3829:18
9:26
#21900
15K
9.32 mi12:46:161:29:289:3629:38
9:32
#21497
20K
12.43 mi13:21:222:04:3410:0135:06
11:18
#22013
Half
13.11 mi13:28:452:11:5710:047:23
10:49
#22090
25K
15.53 mi13:56:342:39:4610:1727:49
11:28
#22174
30K
18.64 mi14:37:413:20:5310:4741:07
13:14
#22530
20M
20.00 mi14:55:423:38:5410:5718:01
13:15
#22624
21M
21.00 mi15:10:393:53:5111:0814:57
14:57
#22729
35K
21.75 mi15:20:504:04:0211:1310:11
13:37
#22805
23M
23.00 mi15:38:244:21:3611:2217:34
14:02
#22899
24M
24.00 mi15:51:004:34:1211:2612:36
12:36
#22899
40K
24.85 mi16:02:204:45:3211:2911:20
13:15
#22904
25.2M
25.20 mi16:07:134:50:2511:314:53
14:10
#22904
Finish
26.22 mi16:17:435:00:5511:2910:30
10:18
#22833
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi225959202920220782(Top 81%)8212(Top 75%)8212(Top 468%)
10K6.21 mi3.10 mi21900+6958863+3398863+33921178(Top 83%)8469(Top 78%)8469(Top 483%)
15K9.32 mi3.11 mi21497+4038638+2258638+22520782(Top 81%)8212(Top 75%)8212(Top 468%)
20K12.43 mi3.11 mi22013-5168913-2758913-27523124(Top 91%)9519(Top 87%)9519(Top 543%)
Half13.11 mi0.68 mi22090-778957-448957-4423260(Top 91%)9644(Top 88%)9644(Top 550%)
25K15.53 mi2.42 mi22174-849013-569013-5622369(Top 88%)9197(Top 84%)9197(Top 525%)
30K18.64 mi3.11 mi22530-3569240-2279240-22723555(Top 92%)9927(Top 91%)9927(Top 566%)
20M20.00 mi1.36 mi22624-949312-729312-7223164(Top 91%)9836(Top 90%)9836(Top 561%)
21M21.00 mi1.00 mi22729-1059398-869398-8623507(Top 92%)10036(Top 92%)10036(Top 573%)
35K21.75 mi0.75 mi22805-769444-469444-4623940(Top 94%)10272(Top 94%)10272(Top 586%)
23M23.00 mi1.25 mi22899-949509-659509-6523805(Top 93%)10208(Top 93%)10208(Top 582%)
24M24.00 mi1.00 mi228999520-119520-1122442(Top 88%)9648(Top 88%)9648(Top 550%)
40K24.85 mi0.85 mi22904-59523-39523-322659(Top 89%)9771(Top 89%)9771(Top 557%)
25.2M25.20 mi0.35 mi229049526-39526-321865(Top 86%)9409(Top 86%)9409(Top 537%)
Finish26.22 mi1.02 mi22833+719503+239503+2319457(Top 76%)8208(Top 75%)8208(Top 468%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

20782

Females

8212

F45-49

8212

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

21178

Females

8469

F45-49

8469

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

20782

Females

8212

F45-49

8212

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

23124

Females

9519

F45-49

9519

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

23260

Females

9644

F45-49

9644

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

22369

Females

9197

F45-49

9197

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

23555

Females

9927

F45-49

9927

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

23164

Females

9836

F45-49

9836

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

23507

Females

10036

F45-49

10036

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

23940

Females

10272

F45-49

10272

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

23805

Females

10208

F45-49

10208

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

22442

Females

9648

F45-49

9648

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

22659

Females

9771

F45-49

9771

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

21865

Females

9409

F45-49

9409

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

19457

Females

8208

F45-49

8208

Passing Analysis

Category:
Athletes Passed
1690
Passed By
1928
Net Change
-238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22595
5K → 10K72429+695#22595#21900
10K → 15K43633+403#21900#21497
15K → 20K46562-516#21497#22013
20K → Half986-77#22013#22090
Half → 25K113197-84#22090#22174
25K → 30K66422-356#22174#22530
30K → 20M45139-94#22530#22624
20M → 21M37142-105#22624#22729
21M → 35K1894-76#22729#22805
35K → 23M24118-94#22805#22899
23M → 24M43430#22899#22899
24M → 40K3742-5#22899#22904
40K → 25.2M14140#22904#22904
25.2M → Finish787+71#22904#22833
TOTALS16901928-238
📊

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