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BOSTON MARATHON 2024

Kathleen Zgorski

Bib: 16192•F

MD

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 26%
Gender (Female)
#0 / 10924
Top 11%
Division (F18-39)
#0 / 4660
Top 20%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:15
Rank: #10618
Start → 5K
23:15 | 7:29/mi
10K· 6.21 mi
46:54
Rank: #10898 (-280)
5K → 10K
23:39 | 7:37/mi
15K· 9.32 mi
1:10:41
Rank: #10841 (+57)
10K → 15K
23:47 | 7:39/mi
20K· 12.43 mi
1:34:27
Rank: #10396 (+445)
15K → 20K
23:46 | 7:39/mi
Half· 13.11 mi
1:39:33
Rank: #10312 (+84)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:57:58
Rank: #9748 (+564)
Half → 25K
18:25 | 7:36/mi
30K· 18.64 mi
2:22:22
Rank: #9114 (+634)
25K → 30K
24:24 | 7:51/mi
20M
2:32:52
Rank: #8722 (+392)
30K → 20M
10:30 | 7:44/mi
21M
2:40:44
Rank: #8278 (+444)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:46:15
Rank: #8064 (+214)
21M → 35K
5:31 | 7:22/mi
23M
2:55:46
Rank: #7657 (+407)
35K → 23M
9:31 | 7:36/mi
24M
3:03:14
Rank: #7394 (+263)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
3:09:33
Rank: #7128 (+266)
24M → 40K
6:19 | 7:23/mi
25.2M
3:12:16
Rank: #6992 (+136)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:19:08
Rank: #6692 (+300)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:33
Pace7:36 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:35
Pace7:36 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2623:157:2923:15
7:29
-
10K
6.21 mi11:37:0546:547:3323:39
7:37
+0:08
15K
9.32 mi12:00:521:10:417:3523:47
7:39
+0:02
20K
12.43 mi12:24:381:34:277:3623:46
7:39
0:00
Half
13.11 mi12:29:441:39:337:365:06
7:29
-0:10
25K
15.53 mi12:48:091:57:587:3618:25
7:36
+0:07
30K
18.64 mi13:12:332:22:227:3824:24
7:51
+0:15
20M
20.00 mi13:23:032:32:527:3910:30
7:44
-0:07
21M
21.00 mi13:30:552:40:447:397:52
7:52
+0:08
35K
21.75 mi13:36:262:46:157:395:31
7:22
-0:30
23M
23.00 mi13:45:572:55:467:399:31
7:36
+0:14
24M
24.00 mi13:53:253:03:147:387:28
7:28
-0:08
40K
24.85 mi13:59:443:09:337:386:19
7:23
-0:05
25.2M
25.20 mi14:02:273:12:167:382:43
7:53
+0:30
Finish
26.22 mi14:09:193:19:087:366:52
6:44
-1:09

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

6:44 /mi

Average Pace

7:36 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:42

9% of race

Time at Steady Pace

3:00:26

91% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi11:13:2623:157:2923:15
7:29
#10618
10K
6.21 mi11:37:0546:547:3323:39
7:37
#10898
15K
9.32 mi12:00:521:10:417:3523:47
7:39
#10841
20K
12.43 mi12:24:381:34:277:3623:46
7:39
#10396
Half
13.11 mi12:29:441:39:337:365:06
7:29
#10312
25K
15.53 mi12:48:091:57:587:3618:25
7:36
#9748
30K
18.64 mi13:12:332:22:227:3824:24
7:51
#9114
20M
20.00 mi13:23:032:32:527:3910:30
7:44
#8722
21M
21.00 mi13:30:552:40:447:397:52
7:52
#8278
35K
21.75 mi13:36:262:46:157:395:31
7:22
#8064
23M
23.00 mi13:45:572:55:467:399:31
7:36
#7657
24M
24.00 mi13:53:253:03:147:387:28
7:28
#7394
40K
24.85 mi13:59:443:09:337:386:19
7:23
#7128
25.2M
25.20 mi14:02:273:12:167:382:43
7:53
#6992
Finish
26.22 mi14:09:193:19:087:366:52
6:44
#6692
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106182349234910859(Top 43%)2607(Top 24%)2607(Top 56%)
10K6.21 mi3.10 mi10898-2802557-2082557-20811171(Top 44%)2742(Top 25%)2742(Top 59%)
15K9.32 mi3.11 mi10841+572540+172540+1710859(Top 43%)2607(Top 24%)2607(Top 56%)
20K12.43 mi3.11 mi10396+4452357+1832357+1839409(Top 37%)2022(Top 19%)2022(Top 43%)
Half13.11 mi0.68 mi10312+842325+322325+328947(Top 35%)1773(Top 16%)1773(Top 38%)
25K15.53 mi2.42 mi9748+5642090+2352090+2357614(Top 30%)1406(Top 13%)1406(Top 30%)
30K18.64 mi3.11 mi9114+6341864+2261864+2267035(Top 28%)1373(Top 13%)1373(Top 29%)
20M20.00 mi1.36 mi8722+3921747+1171747+1175366(Top 21%)872(Top 8%)872(Top 19%)
21M21.00 mi1.00 mi8278+4441610+1371610+1373728(Top 15%)474(Top 4%)474(Top 10%)
35K21.75 mi0.75 mi8064+2141548+621548+624531(Top 18%)706(Top 6%)706(Top 15%)
23M23.00 mi1.25 mi7657+4071432+1161432+1164031(Top 16%)624(Top 6%)624(Top 13%)
24M24.00 mi1.00 mi7394+2631359+731359+734036(Top 16%)701(Top 6%)701(Top 15%)
40K24.85 mi0.85 mi7128+2661295+641295+643135(Top 12%)478(Top 4%)478(Top 10%)
25.2M25.20 mi0.35 mi6992+1361257+381257+382461(Top 10%)332(Top 3%)332(Top 7%)
Finish26.22 mi1.02 mi6692+3001181+761181+762144(Top 8%)275(Top 3%)275(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

10859

Females

2607

F18-39

2607

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11171

Females

2742

F18-39

2742

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

10859

Females

2607

F18-39

2607

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9409

Females

2022

F18-39

2022

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

8947

Females

1773

F18-39

1773

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

7614

Females

1406

F18-39

1406

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7035

Females

1373

F18-39

1373

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5366

Females

872

F18-39

872

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3728

Females

474

F18-39

474

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4531

Females

706

F18-39

706

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4031

Females

624

F18-39

624

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4036

Females

701

F18-39

701

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3135

Females

478

F18-39

478

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2461

Females

332

F18-39

332

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2144

Females

275

F18-39

275

Passing Analysis

Category:
Athletes Passed
4662*
Passed By
736
Net Change
+3926
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10618
5K → 10K201481-280#10618#10898
10K → 15K235178+57#10898#10841
15K → 20K48338+445#10841#10396
20K → Half917+84#10396#10312
Half → 25K569*5+564#10312#9748
25K → 30K64915+634#9748#9114
30K → 20M3953+392#9114#8722
20M → 21M4462+444#8722#8278
21M → 35K2162+214#8278#8064
35K → 23M4114+407#8064#7657
23M → 24M2641+263#7657#7394
24M → 40K2660+266#7394#7128
40K → 25.2M1360+136#7128#6992
25.2M → Finish3000+300#6992#6692
TOTALS4662*736+3926

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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