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BOSTON MARATHON 2024

Jason Holzapfel

Bib: 9376•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 13%
Gender (Male)
#0 / 14578
Top 21%
Masters (Masters Men)
#0 / 9729
Top 10%
Division (M45-49)
#0 / 2218
Top 13%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:49
Rank: #7170
Start → 5K
21:49 | 7:01/mi
10K· 6.21 mi
43:34
Rank: #6902 (+268)
5K → 10K
21:45 | 7:00/mi
15K· 9.32 mi
1:05:21
Rank: #6664 (+238)
10K → 15K
21:47 | 7:01/mi
20K· 12.43 mi
1:27:02
Rank: #6188 (+476)
15K → 20K
21:41 | 6:59/mi
Half· 13.11 mi
1:31:45
Rank: #6117 (+71)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:48:38
Rank: #5684 (+433)
Half → 25K
16:53 | 6:58/mi
30K· 18.64 mi
2:10:09
Rank: #4893 (+791)
25K → 30K
21:31 | 6:56/mi
20M
2:19:31
Rank: #4546 (+347)
30K → 20M
9:22 | 6:54/mi
21M
2:26:41
Rank: #4223 (+323)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:31:48
Rank: #4083 (+140)
21M → 35K
5:07 | 6:50/mi
23M
2:40:26
Rank: #3793 (+290)
35K → 23M
8:38 | 6:54/mi
24M
2:47:21
Rank: #3637 (+156)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:53:23
Rank: #3521 (+116)
24M → 40K
6:02 | 7:03/mi
25.2M
2:56:01
Rank: #3446 (+75)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:02:59
Rank: #3351 (+95)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:31:45
Pace7:00 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:31:14
Pace6:58 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2421:497:0121:49
7:01
-
10K
6.21 mi11:09:0943:347:0121:45
7:00
-0:01
15K
9.32 mi11:30:561:05:217:0121:47
7:01
+0:01
20K
12.43 mi11:52:371:27:027:0021:41
6:59
-0:02
Half
13.11 mi11:57:201:31:457:004:43
6:55
-0:04
25K
15.53 mi12:14:131:48:387:0016:53
6:58
+0:03
30K
18.64 mi12:35:442:10:096:5921:31
6:56
-0:02
20M
20.00 mi12:45:062:19:316:599:22
6:54
-0:02
21M
21.00 mi12:52:162:26:416:597:10
7:10
+0:16
35K
21.75 mi12:57:232:31:486:595:07
6:50
-0:20
23M
23.00 mi13:06:012:40:266:598:38
6:54
+0:04
24M
24.00 mi13:12:562:47:216:586:55
6:55
+0:01
40K
24.85 mi13:18:582:53:236:596:02
7:03
+0:08
25.2M
25.20 mi13:21:362:56:016:592:38
7:38
+0:35
Finish
26.22 mi13:28:343:02:596:596:58
6:50
-0:48

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

6:50 /mi

Average Pace

6:59 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:21

99% of race

Time at Steady Pace

2:38

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:59 /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 mi10:47:2421:497:0121:49
7:01
#7170
10K
6.21 mi11:09:0943:347:0121:45
7:00
#6902
15K
9.32 mi11:30:561:05:217:0121:47
7:01
#6664
20K
12.43 mi11:52:371:27:027:0021:41
6:59
#6188
Half
13.11 mi11:57:201:31:457:004:43
6:55
#6117
25K
15.53 mi12:14:131:48:387:0016:53
6:58
#5684
30K
18.64 mi12:35:442:10:096:5921:31
6:56
#4893
20M
20.00 mi12:45:062:19:316:599:22
6:54
#4546
21M
21.00 mi12:52:162:26:416:597:10
7:10
#4223
35K
21.75 mi12:57:232:31:486:595:07
6:50
#4083
23M
23.00 mi13:06:012:40:266:598:38
6:54
#3793
24M
24.00 mi13:12:562:47:216:586:55
6:55
#3637
40K
24.85 mi13:18:582:53:236:596:02
7:03
#3521
25.2M
25.20 mi13:21:362:56:016:592:38
7:38
#3446
Finish
26.22 mi13:28:343:02:596:596:58
6:50
#3351
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7170627562756272(Top 25%)5580(Top 38%)5580(Top 252%)
10K6.21 mi3.10 mi6902+2686071+2046071+2046654(Top 26%)5871(Top 40%)5871(Top 265%)
15K9.32 mi3.11 mi6664+2385888+1835888+1836272(Top 25%)5580(Top 38%)5580(Top 252%)
20K12.43 mi3.11 mi6188+4765528+3605528+3605102(Top 20%)4653(Top 32%)4653(Top 210%)
Half13.11 mi0.68 mi6117+715472+565472+565196(Top 20%)4710(Top 32%)4710(Top 212%)
25K15.53 mi2.42 mi5684+4335130+3425130+3424149(Top 16%)3818(Top 26%)3818(Top 172%)
30K18.64 mi3.11 mi4893+7914476+6544476+6542498(Top 10%)2346(Top 16%)2346(Top 106%)
20M20.00 mi1.36 mi4546+3474180+2964180+2961945(Top 8%)1831(Top 13%)1831(Top 83%)
21M21.00 mi1.00 mi4223+3233894+2863894+2861482(Top 6%)1398(Top 10%)1398(Top 63%)
35K21.75 mi0.75 mi4083+1403767+1273767+1272441(Top 10%)2229(Top 15%)2229(Top 100%)
23M23.00 mi1.25 mi3793+2903509+2583509+2581607(Top 6%)1497(Top 10%)1497(Top 67%)
24M24.00 mi1.00 mi3637+1563362+1473362+1472063(Top 8%)1868(Top 13%)1868(Top 84%)
40K24.85 mi0.85 mi3521+1163252+1103252+1102029(Top 8%)1817(Top 12%)1817(Top 82%)
25.2M25.20 mi0.35 mi3446+753178+743178+741777(Top 7%)1593(Top 11%)1593(Top 72%)
Finish26.22 mi1.02 mi3351+953088+903088+902486(Top 10%)2138(Top 15%)2138(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6272

Males

5580

M45-49

5580

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6654

Males

5871

M45-49

5871

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6272

Males

5580

M45-49

5580

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5102

Males

4653

M45-49

4653

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5196

Males

4710

M45-49

4710

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4149

Males

3818

M45-49

3818

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2498

Males

2346

M45-49

2346

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

1945

Males

1831

M45-49

1831

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1482

Males

1398

M45-49

1398

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2441

Males

2229

M45-49

2229

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1607

Males

1497

M45-49

1497

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2063

Males

1868

M45-49

1868

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2029

Males

1817

M45-49

1817

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1777

Males

1593

M45-49

1593

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2486

Males

2138

M45-49

2138

Passing Analysis

Category:
Athletes Passed
3979
Passed By
160
Net Change
+3819
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7170
5K → 10K34173+268#7170#6902
10K → 15K28749+238#6902#6664
15K → 20K4826+476#6664#6188
20K → Half765+71#6188#6117
Half → 25K4407+433#6117#5684
25K → 30K7910+791#5684#4893
30K → 20M3470+347#4893#4546
20M → 21M3241+323#4546#4223
21M → 35K1400+140#4223#4083
35K → 23M2911+290#4083#3793
23M → 24M1582+156#3793#3637
24M → 40K1182+116#3637#3521
40K → 25.2M772+75#3521#3446
25.2M → Finish10712+95#3446#3351
TOTALS3979160+3819
📊

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