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BOSTON MARATHON 2024

Kristin Dalzell

Bib: 16700•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 40%
Masters (Masters Women)
#0 / 6263
Top 28%
Division (F40-44)
#0 / 1613
Top 48%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:27
Rank: #17844
Start → 5K
26:27 | 8:31/mi
10K· 6.21 mi
52:25
Rank: #17131 (+713)
5K → 10K
25:58 | 8:21/mi
15K· 9.32 mi
1:18:39
Rank: #16732 (+399)
10K → 15K
26:14 | 8:27/mi
20K· 12.43 mi
1:44:52
Rank: #16058 (+674)
15K → 20K
26:13 | 8:26/mi
Half· 13.11 mi
1:50:34
Rank: #15992 (+66)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:11:30
Rank: #15596 (+396)
Half → 25K
20:56 | 8:38/mi
30K· 18.64 mi
2:38:37
Rank: #14856 (+740)
25K → 30K
27:07 | 8:44/mi
20M
2:50:33
Rank: #14546 (+310)
30K → 20M
11:56 | 8:47/mi
21M
2:59:35
Rank: #14147 (+399)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
3:06:11
Rank: #14054 (+93)
21M → 35K
6:36 | 8:49/mi
23M
3:17:10
Rank: #13779 (+275)
35K → 23M
10:59 | 8:46/mi
24M
3:25:49
Rank: #13595 (+184)
23M → 24M
8:39 | 8:39/mi
40K· 24.85 mi
3:33:23
Rank: #13425 (+170)
24M → 40K
7:34 | 8:51/mi
25.2M
3:36:44
Rank: #13335 (+90)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:45:12
Rank: #13195 (+140)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:34
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:54:38
Pace8:45 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5226:278:3126:27
8:31
-
10K
6.21 mi11:42:5052:258:2625:58
8:21
-0:10
15K
9.32 mi12:09:041:18:398:2626:14
8:27
+0:06
20K
12.43 mi12:35:171:44:528:2626:13
8:26
-0:01
Half
13.11 mi12:40:591:50:348:265:42
8:21
-0:05
25K
15.53 mi13:01:552:11:308:2820:56
8:38
+0:17
30K
18.64 mi13:29:022:38:378:3127:07
8:44
+0:06
20M
20.00 mi13:40:582:50:338:3211:56
8:47
+0:03
21M
21.00 mi13:50:002:59:358:339:02
9:02
+0:15
35K
21.75 mi13:56:363:06:118:346:36
8:49
-0:13
23M
23.00 mi14:07:353:17:108:3410:59
8:46
-0:03
24M
24.00 mi14:16:143:25:498:358:39
8:39
-0:07
40K
24.85 mi14:23:483:33:238:357:34
8:51
+0:12
25.2M
25.20 mi14:27:093:36:448:363:21
9:43
+0:52
Finish
26.22 mi14:35:373:45:128:368:28
8:19
-1:24

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

8:19 /mi

Average Pace

8:36 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:41:51

99% of race

Time at Steady Pace

3:21

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:35 /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 mi11:16:5226:278:3126:27
8:31
#17844
10K
6.21 mi11:42:5052:258:2625:58
8:21
#17131
15K
9.32 mi12:09:041:18:398:2626:14
8:27
#16732
20K
12.43 mi12:35:171:44:528:2626:13
8:26
#16058
Half
13.11 mi12:40:591:50:348:265:42
8:21
#15992
25K
15.53 mi13:01:552:11:308:2820:56
8:38
#15596
30K
18.64 mi13:29:022:38:378:3127:07
8:44
#14856
20M
20.00 mi13:40:582:50:338:3211:56
8:47
#14546
21M
21.00 mi13:50:002:59:358:339:02
9:02
#14147
35K
21.75 mi13:56:363:06:118:346:36
8:49
#14054
23M
23.00 mi14:07:353:17:108:3410:59
8:46
#13779
24M
24.00 mi14:16:143:25:498:358:39
8:39
#13595
40K
24.85 mi14:23:483:33:238:357:34
8:51
#13425
25.2M
25.20 mi14:27:093:36:448:363:21
9:43
#13335
Finish
26.22 mi14:35:373:45:128:368:28
8:19
#13195
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi178446659665916088(Top 63%)5609(Top 51%)5609(Top 348%)
10K6.21 mi3.10 mi17131+7136227+4326227+43216472(Top 64%)5806(Top 53%)5806(Top 360%)
15K9.32 mi3.11 mi16732+3995983+2445983+24416088(Top 63%)5609(Top 51%)5609(Top 348%)
20K12.43 mi3.11 mi16058+6745605+3785605+37814484(Top 57%)4709(Top 43%)4709(Top 292%)
Half13.11 mi0.68 mi15992+665582+235582+2314918(Top 58%)4985(Top 46%)4985(Top 309%)
25K15.53 mi2.42 mi15596+3965362+2205362+22013772(Top 54%)4481(Top 41%)4481(Top 278%)
30K18.64 mi3.11 mi14856+7404994+3684994+36811852(Top 46%)3657(Top 33%)3657(Top 227%)
20M20.00 mi1.36 mi14546+3104853+1414853+14111007(Top 43%)3480(Top 32%)3480(Top 216%)
21M21.00 mi1.00 mi14147+3994685+1684685+1688787(Top 34%)2587(Top 24%)2587(Top 160%)
35K21.75 mi0.75 mi14054+934656+294656+2912472(Top 49%)4520(Top 41%)4520(Top 280%)
23M23.00 mi1.25 mi13779+2754567+894567+899970(Top 39%)3385(Top 31%)3385(Top 210%)
24M24.00 mi1.00 mi13595+1844510+574510+5710329(Top 40%)3615(Top 33%)3615(Top 224%)
40K24.85 mi0.85 mi13425+1704450+604450+6010185(Top 40%)3659(Top 33%)3659(Top 227%)
25.2M25.20 mi0.35 mi13335+904418+324418+329760(Top 38%)3533(Top 32%)3533(Top 219%)
Finish26.22 mi1.02 mi13195+1404381+374381+3710430(Top 41%)3719(Top 34%)3719(Top 231%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16088

Females

5609

F40-44

5609

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

16472

Females

5806

F40-44

5806

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16088

Females

5609

F40-44

5609

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

14484

Females

4709

F40-44

4709

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

14918

Females

4985

F40-44

4985

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

13772

Females

4481

F40-44

4481

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

11852

Females

3657

F40-44

3657

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11007

Females

3480

F40-44

3480

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8787

Females

2587

F40-44

2587

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

12472

Females

4520

F40-44

4520

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

9970

Females

3385

F40-44

3385

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10329

Females

3615

F40-44

3615

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10185

Females

3659

F40-44

3659

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9760

Females

3533

F40-44

3533

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10430

Females

3719

F40-44

3719

Passing Analysis

Category:
Athletes Passed
4949
Passed By
300
Net Change
+4649
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17844
5K → 10K78067+713#17844#17131
10K → 15K45657+399#17131#16732
15K → 20K68915+674#16732#16058
20K → Half7812+66#16058#15992
Half → 25K42933+396#15992#15596
25K → 30K7499+740#15596#14856
30K → 20M32111+310#14856#14546
20M → 21M4023+399#14546#14147
21M → 35K12128+93#14147#14054
35K → 23M28611+275#14054#13779
23M → 24M19713+184#13779#13595
24M → 40K19323+170#13595#13425
40K → 25.2M977+90#13425#13335
25.2M → Finish15111+140#13335#13195
TOTALS4949300+4649
📊

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