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BOSTON MARATHON 2024

Nancy Zweng

CA

Bib: 23750 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F70-74)
#0 / 61
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:04/mi
31:15
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:16/mi
1:03:08
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:14/mi
1:34:56
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:16/mi
2:06:49
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:14/mi
2:13:48
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:28/mi
2:39:11
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:41/mi
3:12:22
↑ 181↓ 1480.2%
138 ft elev
20M
10:57/mi
3:27:15
↑ 64↓ 500.2%
148 ft elev
21M
12:31/mi
3:39:46
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
12:58/mi
3:49:28
↑ 17↓ 861.7%
156 ft elev
23M
19:54/mi
4:14:23
↑ 23↓ 630.6%
116 ft elev
24M
12:09/mi
4:26:32
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:40/mi
4:37:22
↓ 200.3%
20 ft elev
25.2M
14:24/mi
4:42:20
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
13:46/mi
4:56:22
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:48
Pace10:12 /mi
2nd Half
Distance13.11 mi
Time2:42:34
Pace12:24 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:32:3431:1510:0431:15
10:04
-
10K
6.21 mi12:04:271:03:0810:1031:53
10:16
+0:12
15K
9.32 mi12:36:151:34:5610:1131:48
10:14
-0:02
20K
12.43 mi13:08:082:06:4910:1231:53
10:16
+0:02
Half
13.11 mi13:15:072:13:4810:126:59
10:14
-0:02
25K
15.53 mi13:40:302:39:1110:1525:23
10:28
+0:14
30K
18.64 mi14:13:413:12:2210:1933:11
10:41
+0:13
20M
20.00 mi14:28:343:27:1510:2214:53
10:57
+0:16
21M
21.00 mi14:41:053:39:4610:2812:31
12:31
+1:34
35K
21.75 mi14:50:473:49:2810:339:42
12:58
+0:27
23M
23.00 mi15:15:424:14:2311:0424:55
19:54
+6:56
24M
24.00 mi15:27:514:26:3211:0612:09
12:09
-7:45
40K
24.85 mi15:38:414:37:2211:1010:50
12:40
+0:31
25.2M
25.20 mi15:43:394:42:2011:124:58
14:24
+1:44
Finish
26.22 mi15:57:414:56:2211:1914:02
13:46
-0:38

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

10:04 /mi

Average Pace

11:19 /mi

Slowest Pace

19:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:39:24

74% of race

Time at Slower Pace

1:16:58

26% of race

Average Pace: 11:18 /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 mi11:32:3431:1510:0431:15
10:04
#23110
10K
6.21 mi12:04:271:03:0810:1031:53
10:16
#23120
15K
9.32 mi12:36:151:34:5610:1131:48
10:14
#22895
20K
12.43 mi13:08:082:06:4910:1231:53
10:16
#22438
Half
13.11 mi13:15:072:13:4810:126:59
10:14
#22412
25K
15.53 mi13:40:302:39:1110:1525:23
10:28
#22086
30K
18.64 mi14:13:413:12:2210:1933:11
10:41
#21537
20M
20.00 mi14:28:343:27:1510:2214:53
10:57
#21338
21M
21.00 mi14:41:053:39:4610:2812:31
12:31
#21271
35K
21.75 mi14:50:473:49:2810:339:42
12:58
#21385
23M
23.00 mi15:15:424:14:2311:0424:55
19:54
#22295
24M
24.00 mi15:27:514:26:3211:0612:09
12:09
#22258
40K
24.85 mi15:38:414:37:2211:1010:50
12:40
#22234
25.2M
25.20 mi15:43:394:42:2011:124:58
14:24
#22252
Finish
26.22 mi15:57:414:56:2211:1914:02
13:46
#22477
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi231109451945122413(Top 88%)9101(Top 83%)9101(Top 14920%)
10K6.21 mi3.10 mi23120-109473-229473-2223092(Top 90%)9480(Top 87%)9480(Top 15541%)
15K9.32 mi3.11 mi22895+2259357+1169357+11622413(Top 88%)9101(Top 83%)9101(Top 14920%)
20K12.43 mi3.11 mi22438+4579126+2319126+23121156(Top 83%)8444(Top 77%)8444(Top 13843%)
Half13.11 mi0.68 mi22412+269118+89118+822095(Top 86%)9017(Top 83%)9017(Top 14782%)
25K15.53 mi2.42 mi22086+3268976+1428976+14220346(Top 80%)8109(Top 74%)8109(Top 13293%)
30K18.64 mi3.11 mi21537+5498729+2478729+24719225(Top 75%)7705(Top 71%)7705(Top 12631%)
20M20.00 mi1.36 mi21338+1998651+788651+7819189(Top 75%)7804(Top 71%)7804(Top 12793%)
21M21.00 mi1.00 mi21271+678631+208631+2019899(Top 78%)8278(Top 76%)8278(Top 13570%)
35K21.75 mi0.75 mi21385-1148703-728703-7223198(Top 91%)9914(Top 91%)9914(Top 16252%)
23M23.00 mi1.25 mi22295-9109186-4839186-48325482(Top 100%)10897(Top 100%)10897(Top 17864%)
24M24.00 mi1.00 mi22258+379187-19187-121758(Top 85%)9316(Top 85%)9316(Top 15272%)
40K24.85 mi0.85 mi22234+249192-59192-521727(Top 85%)9337(Top 85%)9337(Top 15307%)
25.2M25.20 mi0.35 mi22252-189205-139205-1322237(Top 87%)9575(Top 88%)9575(Top 15697%)
Finish26.22 mi1.02 mi22477-2259339-1349339-13424838(Top 97%)10718(Top 98%)10718(Top 17570%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

22413

Females

9101

F70-74

9101

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23092

Females

9480

F70-74

9480

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

22413

Females

9101

F70-74

9101

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

21156

Females

8444

F70-74

8444

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22095

Females

9017

F70-74

9017

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

20346

Females

8109

F70-74

8109

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19225

Females

7705

F70-74

7705

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19189

Females

7804

F70-74

7804

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

19899

Females

8278

F70-74

8278

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

23198

Females

9914

F70-74

9914

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

25482

Females

10897

F70-74

10897

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

21758

Females

9316

F70-74

9316

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

21727

Females

9337

F70-74

9337

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

22237

Females

9575

F70-74

9575

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

24838

Females

10718

F70-74

10718

Passing Analysis

Category:
Athletes Passed
2368
Passed By
1735
Net Change
+633
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23110
5K → 10K199209-10#23110#23120
10K → 15K27752+225#23120#22895
15K → 20K4669+457#22895#22438
20K → Half4317+26#22438#22412
Half → 25K3348+326#22412#22086
25K → 30K55910+549#22086#21537
30K → 20M2067+199#21537#21338
20M → 21M9427+67#21338#21271
21M → 35K26140-114#21271#21385
35K → 23M5915-910#21385#22295
23M → 24M7134+37#22295#22258
24M → 40K6238+24#22258#22234
40K → 25.2M725-18#22234#22252
25.2M → Finish19244-225#22252#22477
TOTALS23681735+633
📊

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