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BOSTON MARATHON 2024

Debbie Nack

Bib: 22577•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:06
Rank: #21330
Start → 5K
9:22/mi
29:06 split
10K· 6.21 mi
1:01:27
Rank: #22532 (-1202)
5K → 10K
10:25/mi
32:21 split
15K· 9.32 mi
1:32:43
Rank: #22375 (+157)
10K → 15K
10:04/mi
31:16 split
20K· 12.43 mi
2:05:33
Rank: #22211 (+164)
15K → 20K
10:34/mi
32:50 split
Half· 13.11 mi
2:12:25
Rank: #22183 (+28)
20K → Half
10:04/mi
6:52 split
25K· 15.53 mi
2:37:20
Rank: #21806 (+377)
Half → 25K
10:17/mi
24:55 split
30K· 18.64 mi
3:09:05
Rank: #21113 (+693)
25K → 30K
10:13/mi
31:45 split
20M
3:23:17
Rank: #20896 (+217)
30K → 20M
10:27/mi
14:12 split
21M
3:34:00
Rank: #20597 (+299)
20M → 21M
10:43/mi
10:43 split
35K· 21.75 mi
3:42:22
Rank: #20598 (-1)
21M → 35K
11:11/mi
8:22 split
23M
3:55:54
Rank: #20440 (+158)
35K → 23M
10:49/mi
13:32 split
24M
4:06:21
Rank: #20334 (+106)
23M → 24M
10:27/mi
10:27 split
40K· 24.85 mi
4:15:12
Rank: #20152 (+182)
24M → 40K
10:21/mi
8:51 split
25.2M
4:19:05
Rank: #20084 (+68)
40K → 25.2M
11:16/mi
3:53 split
Finish· 26.22 mi
4:28:33
Rank: #19952 (+132)
25.2M → Finish
9:17/mi
9:28 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:25
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time2:16:08
Pace10:23 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4329:069:2229:06
9:22
-
10K
6.21 mi12:00:041:01:279:5332:21
10:25
+1:03
15K
9.32 mi12:31:201:32:439:5731:16
10:04
-0:21
20K
12.43 mi13:04:102:05:3310:0632:50
10:34
+0:30
Half
13.11 mi13:11:022:12:2510:066:52
10:04
-0:30
25K
15.53 mi13:35:572:37:2010:0824:55
10:17
+0:13
30K
18.64 mi14:07:423:09:0510:0931:45
10:13
-0:04
20M
20.00 mi14:21:543:23:1710:1014:12
10:27
+0:14
21M
21.00 mi14:32:373:34:0010:1110:43
10:43
+0:16
35K
21.75 mi14:40:593:42:2210:138:22
11:11
+0:28
23M
23.00 mi14:54:313:55:5410:1513:32
10:49
-0:22
24M
24.00 mi15:04:584:06:2110:1610:27
10:27
-0:22
40K
24.85 mi15:13:494:15:1210:168:51
10:21
-0:06
25.2M
25.20 mi15:17:424:19:0510:173:53
11:16
+0:55
Finish
26.22 mi15:27:104:28:3310:159:28
9:17
-1:59

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

9:17 /mi

Average Pace

10:15 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:42

29% of race

Time at Steady Pace

2:35:21

58% of race

Time at Slower Pace

36:30

14% of race

Average Pace: 10:15 /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 mi11:27:4329:069:2229:06
9:22
#21330
10K
6.21 mi12:00:041:01:279:5332:21
10:25
#22532
15K
9.32 mi12:31:201:32:439:5731:16
10:04
#22375
20K
12.43 mi13:04:102:05:3310:0632:50
10:34
#22211
Half
13.11 mi13:11:022:12:2510:066:52
10:04
#22183
25K
15.53 mi13:35:572:37:2010:0824:55
10:17
#21806
30K
18.64 mi14:07:423:09:0510:0931:45
10:13
#21113
20M
20.00 mi14:21:543:23:1710:1014:12
10:27
#20896
21M
21.00 mi14:32:373:34:0010:1110:43
10:43
#20597
35K
21.75 mi14:40:593:42:2210:138:22
11:11
#20598
23M
23.00 mi14:54:313:55:5410:1513:32
10:49
#20440
24M
24.00 mi15:04:584:06:2110:1610:27
10:27
#20334
40K
24.85 mi15:13:494:15:1210:168:51
10:21
#20152
25.2M
25.20 mi15:17:424:19:0510:173:53
11:16
#20084
Finish
26.22 mi15:27:104:28:3310:159:28
9:17
#19952
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi213308583858322072(Top 86%)8912(Top 82%)8912(Top 1017%)
10K6.21 mi3.10 mi22532-12029177-5949177-59423377(Top 91%)9624(Top 88%)9624(Top 1099%)
15K9.32 mi3.11 mi22375+1579081+969081+9622072(Top 86%)8912(Top 82%)8912(Top 1017%)
20K12.43 mi3.11 mi22211+1649015+669015+6621803(Top 85%)8800(Top 81%)8800(Top 1005%)
Half13.11 mi0.68 mi22183+289002+139002+1321623(Top 85%)8743(Top 80%)8743(Top 998%)
25K15.53 mi2.42 mi21806+3778822+1808822+18019861(Top 78%)7847(Top 72%)7847(Top 896%)
30K18.64 mi3.11 mi21113+6938496+3268496+32618038(Top 71%)7067(Top 65%)7067(Top 807%)
20M20.00 mi1.36 mi20896+2178407+898407+8917854(Top 70%)7140(Top 65%)7140(Top 815%)
21M21.00 mi1.00 mi20597+2998273+1348273+13415549(Top 61%)6100(Top 56%)6100(Top 696%)
35K21.75 mi0.75 mi20598-18293-208293-2020202(Top 79%)8454(Top 77%)8454(Top 965%)
23M23.00 mi1.25 mi20440+1588232+618232+6117891(Top 70%)7365(Top 67%)7365(Top 841%)
24M24.00 mi1.00 mi20334+1068195+378195+3717723(Top 69%)7329(Top 67%)7329(Top 837%)
40K24.85 mi0.85 mi20152+1828115+808115+8016243(Top 64%)6626(Top 61%)6626(Top 756%)
25.2M25.20 mi0.35 mi20084+688077+388077+3815412(Top 60%)6250(Top 57%)6250(Top 713%)
Finish26.22 mi1.02 mi19952+1328025+528025+5215590(Top 61%)6311(Top 58%)6311(Top 720%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22072

Females

8912

F55-59

8912

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

23377

Females

9624

F55-59

9624

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22072

Females

8912

F55-59

8912

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

21803

Females

8800

F55-59

8800

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

21623

Females

8743

F55-59

8743

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

19861

Females

7847

F55-59

7847

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18038

Females

7067

F55-59

7067

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

17854

Females

7140

F55-59

7140

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

15549

Females

6100

F55-59

6100

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

20202

Females

8454

F55-59

8454

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

17891

Females

7365

F55-59

7365

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

17723

Females

7329

F55-59

7329

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16243

Females

6626

F55-59

6626

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15412

Females

6250

F55-59

6250

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

15590

Females

6311

F55-59

6311

Passing Analysis

Category:
Athletes Passed
2891
Passed By
1513
Net Change
+1378
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21330
5K → 10K151217-1202#21330#22532
10K → 15K24487+157#22532#22375
15K → 20K25793+164#22375#22211
20K → Half4719+28#22211#22183
Half → 25K3858+377#22183#21806
25K → 30K6941+693#21806#21113
30K → 20M2192+217#21113#20896
20M → 21M2990+299#20896#20597
21M → 35K4748-1#20597#20598
35K → 23M17416+158#20598#20440
23M → 24M12216+106#20440#20334
24M → 40K1831+182#20334#20152
40K → 25.2M691+68#20152#20084
25.2M → Finish1364+132#20084#19952
TOTALS28911513+1378
📊

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