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BOSTON MARATHON 2023

Jacob Schrimpf

Bib: 5478•M

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #3046
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
40:54
Rank: #3010 (+36)
5K → 10K
20:19 | 6:32/mi
15K· 9.32 mi
1:01:19
Rank: #3035 (-25)
10K → 15K
20:25 | 6:34/mi
20K· 12.43 mi
1:21:42
Rank: #2891 (+144)
15K → 20K
20:23 | 6:34/mi
Half· 13.11 mi
1:26:11
Rank: #2905 (-14)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:42:06
Rank: #2809 (+96)
Half → 25K
15:55 | 6:34/mi
30K· 18.64 mi
2:02:50
Rank: #2692 (+117)
25K → 30K
20:44 | 6:40/mi
20M
2:11:56
Rank: #2631 (+61)
30K → 20M
9:06 | 6:42/mi
21M
2:18:55
Rank: #2560 (+71)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:23:55
Rank: #2555 (+5)
21M → 35K
5:00 | 6:41/mi
23M
2:32:33
Rank: #2538 (+17)
35K → 23M
8:38 | 6:54/mi
24M
2:39:09
Rank: #2518 (+20)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:44:58
Rank: #2515 (+3)
24M → 40K
5:49 | 6:48/mi
25.2M
2:47:30
Rank: #2522 (-7)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:54:09
Rank: #2506 (+16)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:11
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:27:58
Pace6:43 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1720:356:3820:35
6:38
-
10K
6.21 mi10:43:3640:546:3520:19
6:32
-0:06
15K
9.32 mi11:04:011:01:196:3520:25
6:34
+0:02
20K
12.43 mi11:24:241:21:426:3420:23
6:34
0:00
Half
13.11 mi11:28:531:26:116:344:29
6:34
0:00
25K
15.53 mi11:44:481:42:066:3415:55
6:34
0:00
30K
18.64 mi12:05:322:02:506:3520:44
6:40
+0:06
20M
20.00 mi12:14:382:11:566:369:06
6:42
+0:02
21M
21.00 mi12:21:372:18:556:376:59
6:59
+0:17
35K
21.75 mi12:26:372:23:556:375:00
6:41
-0:18
23M
23.00 mi12:35:152:32:336:388:38
6:54
+0:13
24M
24.00 mi12:41:512:39:096:386:36
6:36
-0:18
40K
24.85 mi12:47:402:44:586:385:49
6:48
+0:12
25.2M
25.20 mi12:50:122:47:306:392:32
7:21
+0:33
Finish
26.22 mi12:56:512:54:096:396:39
6:32
-0:49

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

6:32 /mi

Average Pace

6:39 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:37

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:23:1720:356:3820:35
6:38
#3046
10K
6.21 mi10:43:3640:546:3520:19
6:32
#3010
15K
9.32 mi11:04:011:01:196:3520:25
6:34
#3035
20K
12.43 mi11:24:241:21:426:3420:23
6:34
#2891
Half
13.11 mi11:28:531:26:116:344:29
6:34
#2905
25K
15.53 mi11:44:481:42:066:3415:55
6:34
#2809
30K
18.64 mi12:05:322:02:506:3520:44
6:40
#2692
20M
20.00 mi12:14:382:11:566:369:06
6:42
#2631
21M
21.00 mi12:21:372:18:556:376:59
6:59
#2560
35K
21.75 mi12:26:372:23:556:375:00
6:41
#2555
23M
23.00 mi12:35:152:32:336:388:38
6:54
#2538
24M
24.00 mi12:41:512:39:096:386:36
6:36
#2518
40K
24.85 mi12:47:402:44:586:385:49
6:48
#2515
25.2M
25.20 mi12:50:122:47:306:392:32
7:21
#2522
Finish
26.22 mi12:56:512:54:096:396:39
6:32
#2506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3046288628863054(Top 11%)2912(Top 19%)2912(Top 55%)
10K6.21 mi3.10 mi3010+362868+182868+183029(Top 11%)2890(Top 19%)2890(Top 55%)
15K9.32 mi3.11 mi3035-252893-252893-253054(Top 11%)2912(Top 19%)2912(Top 55%)
20K12.43 mi3.11 mi2891+1442761+1322761+1322615(Top 10%)2501(Top 16%)2501(Top 47%)
Half13.11 mi0.68 mi2905-142773-122773-123184(Top 12%)3034(Top 20%)3034(Top 57%)
25K15.53 mi2.42 mi2809+962686+872686+872511(Top 9%)2402(Top 16%)2402(Top 45%)
30K18.64 mi3.11 mi2692+1172572+1142572+1142282(Top 9%)2176(Top 14%)2176(Top 41%)
20M20.00 mi1.36 mi2631+612514+582514+582263(Top 9%)2152(Top 14%)2152(Top 41%)
21M21.00 mi1.00 mi2560+712449+652449+652084(Top 8%)1970(Top 13%)1970(Top 37%)
35K21.75 mi0.75 mi2555+52444+52444+53422(Top 13%)3174(Top 21%)3174(Top 60%)
23M23.00 mi1.25 mi2538+172426+182426+183177(Top 12%)2954(Top 19%)2954(Top 56%)
24M24.00 mi1.00 mi2518+202408+182408+182550(Top 10%)2378(Top 16%)2378(Top 45%)
40K24.85 mi0.85 mi2515+32401+72401+72822(Top 11%)2596(Top 17%)2596(Top 49%)
25.2M25.20 mi0.35 mi2522-72406-52406-53103(Top 12%)2826(Top 19%)2826(Top 53%)
Finish26.22 mi1.02 mi2506+162391+152391+152600(Top 10%)2386(Top 16%)2386(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3054

Males

2912

M18-39

2912

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3029

Males

2890

M18-39

2890

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3054

Males

2912

M18-39

2912

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2615

Males

2501

M18-39

2501

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3184

Males

3034

M18-39

3034

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2511

Males

2402

M18-39

2402

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2282

Males

2176

M18-39

2176

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2263

Males

2152

M18-39

2152

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2084

Males

1970

M18-39

1970

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3422

Males

3174

M18-39

3174

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3177

Males

2954

M18-39

2954

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2550

Males

2378

M18-39

2378

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2822

Males

2596

M18-39

2596

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3103

Males

2826

M18-39

2826

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2600

Males

2386

M18-39

2386

Passing Analysis

Category:
Athletes Passed
1038
Passed By
498
Net Change
+540
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3046
5K → 10K174138+36#3046#3010
10K → 15K83108-25#3010#3035
15K → 20K16723+144#3035#2891
20K → Half1024-14#2891#2905
Half → 25K11014+96#2905#2809
25K → 30K13922+117#2809#2692
30K → 20M7211+61#2692#2631
20M → 21M798+71#2631#2560
21M → 35K2116+5#2560#2555
35K → 23M5235+17#2555#2538
23M → 24M3919+20#2538#2518
24M → 40K3431+3#2518#2515
40K → 25.2M1623-7#2515#2522
25.2M → Finish4226+16#2522#2506
TOTALS1038498+540
📊

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