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BOSTON MARATHON 2024

Jerry Kalka

Bib: 8586•M

FL

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 20%
Gender (Male)
#0 / 14578
Top 31%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:45
Rank: #4663
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
42:19
Rank: #5502 (-839)
5K → 10K
21:34 | 6:56/mi
15K· 9.32 mi
1:04:06
Rank: #5771 (-269)
10K → 15K
21:47 | 7:01/mi
20K· 12.43 mi
1:25:45
Rank: #5528 (+243)
15K → 20K
21:39 | 6:58/mi
Half· 13.11 mi
1:30:24
Rank: #5489 (+39)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:47:33
Rank: #5237 (+252)
Half → 25K
17:09 | 7:04/mi
30K· 18.64 mi
2:11:20
Rank: #5275 (-38)
25K → 30K
23:47 | 7:39/mi
20M
2:22:15
Rank: #5313 (-38)
30K → 20M
10:55 | 8:02/mi
21M
2:30:33
Rank: #5231 (+82)
20M → 21M
8:18 | 8:18/mi
35K· 21.75 mi
2:36:19
Rank: #5203 (+28)
21M → 35K
5:46 | 7:42/mi
23M
2:46:33
Rank: #5172 (+31)
35K → 23M
10:14 | 8:10/mi
24M
2:54:45
Rank: #5217 (-45)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:01:49
Rank: #5212 (+5)
24M → 40K
7:04 | 8:16/mi
25.2M
3:04:51
Rank: #5182 (+30)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:12:49
Rank: #5197 (-15)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:24
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:42:25
Pace7:49 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:4820:456:4120:45
6:41
-
10K
6.21 mi11:07:2242:196:4921:34
6:56
+0:15
15K
9.32 mi11:29:091:04:066:5321:47
7:01
+0:05
20K
12.43 mi11:50:481:25:456:5421:39
6:58
-0:03
Half
13.11 mi11:55:271:30:246:544:39
6:49
-0:09
25K
15.53 mi12:12:361:47:336:5517:09
7:04
+0:15
30K
18.64 mi12:36:232:11:207:0323:47
7:39
+0:35
20M
20.00 mi12:47:182:22:157:0710:55
8:02
+0:23
21M
21.00 mi12:55:362:30:337:108:18
8:18
+0:16
35K
21.75 mi13:01:222:36:197:115:46
7:42
-0:36
23M
23.00 mi13:11:362:46:337:1410:14
8:10
+0:28
24M
24.00 mi13:19:482:54:457:178:12
8:12
+0:02
40K
24.85 mi13:26:523:01:497:197:04
8:16
+0:04
25.2M
25.20 mi13:29:543:04:517:203:02
8:48
+0:32
Finish
26.22 mi13:37:523:12:497:227:58
7:49
-0:59

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

6:41 /mi

Average Pace

7:22 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:33

56% of race

Time at Steady Pace

37:31

19% of race

Time at Slower Pace

47:45

25% of race

Average Pace: 7:21 /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 mi10:45:4820:456:4120:45
6:41
#4663
10K
6.21 mi11:07:2242:196:4921:34
6:56
#5502
15K
9.32 mi11:29:091:04:066:5321:47
7:01
#5771
20K
12.43 mi11:50:481:25:456:5421:39
6:58
#5528
Half
13.11 mi11:55:271:30:246:544:39
6:49
#5489
25K
15.53 mi12:12:361:47:336:5517:09
7:04
#5237
30K
18.64 mi12:36:232:11:207:0323:47
7:39
#5275
20M
20.00 mi12:47:182:22:157:0710:55
8:02
#5313
21M
21.00 mi12:55:362:30:337:108:18
8:18
#5231
35K
21.75 mi13:01:222:36:197:115:46
7:42
#5203
23M
23.00 mi13:11:362:46:337:1410:14
8:10
#5172
24M
24.00 mi13:19:482:54:457:178:12
8:12
#5217
40K
24.85 mi13:26:523:01:497:197:04
8:16
#5212
25.2M
25.20 mi13:29:543:04:517:203:02
8:48
#5182
Finish
26.22 mi13:37:523:12:497:227:58
7:49
#5197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4663435543556279(Top 25%)5587(Top 38%)5587(Top 115%)
10K6.21 mi3.10 mi5502-8395041-6865041-6866283(Top 25%)5614(Top 39%)5614(Top 116%)
15K9.32 mi3.11 mi5771-2695252-2115252-2116279(Top 25%)5587(Top 38%)5587(Top 115%)
20K12.43 mi3.11 mi5528+2435039+2135039+2135051(Top 20%)4613(Top 32%)4613(Top 95%)
Half13.11 mi0.68 mi5489+395002+375002+374638(Top 18%)4276(Top 29%)4276(Top 88%)
25K15.53 mi2.42 mi5237+2524785+2174785+2174698(Top 18%)4256(Top 29%)4256(Top 88%)
30K18.64 mi3.11 mi5275-384768+174768+175879(Top 23%)4933(Top 34%)4933(Top 102%)
20M20.00 mi1.36 mi5313-384772-44772-46933(Top 27%)5389(Top 37%)5389(Top 111%)
21M21.00 mi1.00 mi5231+824686+864686+865316(Top 21%)4299(Top 29%)4299(Top 89%)
35K21.75 mi0.75 mi5203+284646+404646+406098(Top 24%)4726(Top 32%)4726(Top 97%)
23M23.00 mi1.25 mi5172+314586+604586+606631(Top 26%)4874(Top 33%)4874(Top 101%)
24M24.00 mi1.00 mi5217-454594-84594-87715(Top 30%)5339(Top 37%)5339(Top 110%)
40K24.85 mi0.85 mi5212+54562+324562+327113(Top 28%)4914(Top 34%)4914(Top 101%)
25.2M25.20 mi0.35 mi5182+304517+454517+455603(Top 22%)4048(Top 28%)4048(Top 83%)
Finish26.22 mi1.02 mi5197-154504+134504+137417(Top 29%)5092(Top 35%)5092(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6279

Males

5587

M18-39

5587

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6283

Males

5614

M18-39

5614

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6279

Males

5587

M18-39

5587

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5051

Males

4613

M18-39

4613

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4638

Males

4276

M18-39

4276

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4698

Males

4256

M18-39

4256

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

5879

Males

4933

M18-39

4933

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

6933

Males

5389

M18-39

5389

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5316

Males

4299

M18-39

4299

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6098

Males

4726

M18-39

4726

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6631

Males

4874

M18-39

4874

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7715

Males

5339

M18-39

5339

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7113

Males

4914

M18-39

4914

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5603

Males

4048

M18-39

4048

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7417

Males

5092

M18-39

5092

Passing Analysis

Category:
Athletes Passed
1567
Passed By
2101
Net Change
-534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4663
5K → 10K28867-839#4663#5502
10K → 15K71340-269#5502#5771
15K → 20K29754+243#5771#5528
20K → Half489+39#5528#5489
Half → 25K29341+252#5489#5237
25K → 30K171209-38#5237#5275
30K → 20M83121-38#5275#5313
20M → 21M12543+82#5313#5231
21M → 35K7749+28#5231#5203
35K → 23M11786+31#5203#5172
23M → 24M59104-45#5172#5217
24M → 40K8681+5#5217#5212
40K → 25.2M5424+30#5212#5182
25.2M → Finish5873-15#5182#5197
TOTALS15672101-534
📊

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