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BOSTON MARATHON 2023

Jacob Schuurman

Bib: 1880•M

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:45
Rank: #1627
Start → 5K
19:45 | 6:21/mi
10K· 6.21 mi
39:18
Rank: #1662 (-35)
5K → 10K
19:33 | 6:18/mi
15K· 9.32 mi
58:44
Rank: #1584 (+78)
10K → 15K
19:26 | 6:15/mi
20K· 12.43 mi
1:18:21
Rank: #1547 (+37)
15K → 20K
19:37 | 6:19/mi
Half· 13.11 mi
1:22:35
Rank: #1534 (+13)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:37:52
Rank: #1476 (+58)
Half → 25K
15:17 | 6:18/mi
30K· 18.64 mi
1:57:37
Rank: #1371 (+105)
25K → 30K
19:45 | 6:21/mi
20M
2:06:19
Rank: #1348 (+23)
30K → 20M
8:42 | 6:24/mi
21M
2:12:50
Rank: #1285 (+63)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:17:25
Rank: #1257 (+28)
21M → 35K
4:35 | 6:08/mi
23M
2:25:14
Rank: #1192 (+65)
35K → 23M
7:49 | 6:15/mi
24M
2:31:11
Rank: #1138 (+54)
23M → 24M
5:57 | 5:57/mi
40K· 24.85 mi
2:36:21
Rank: #1093 (+45)
24M → 40K
5:10 | 6:03/mi
25.2M
2:38:29
Rank: #1068 (+25)
40K → 25.2M
2:08 | 6:11/mi
Finish· 26.22 mi
2:44:06
Rank: #976 (+92)
25.2M → Finish
5:37 | 5:31/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:22:35
Pace6:18 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:21:31
Pace6:13 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1519:456:2119:45
6:21
-
10K
6.21 mi10:39:4839:186:1919:33
6:18
-0:03
15K
9.32 mi10:59:1458:446:1819:26
6:15
-0:03
20K
12.43 mi11:18:511:18:216:1819:37
6:19
+0:04
Half
13.11 mi11:23:051:22:356:184:14
6:12
-0:07
25K
15.53 mi11:38:221:37:526:1815:17
6:18
+0:06
30K
18.64 mi11:58:071:57:376:1919:45
6:21
+0:03
20M
20.00 mi12:06:492:06:196:198:42
6:24
+0:03
21M
21.00 mi12:13:202:12:506:206:31
6:31
+0:07
35K
21.75 mi12:17:552:17:256:194:35
6:08
-0:23
23M
23.00 mi12:25:442:25:146:197:49
6:15
+0:07
24M
24.00 mi12:31:412:31:116:185:57
5:57
-0:18
40K
24.85 mi12:36:512:36:216:175:10
6:03
+0:06
25.2M
25.20 mi12:38:592:38:296:172:08
6:11
+0:08
Finish
26.22 mi12:44:362:44:066:165:37
5:31
-0:40

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

5:31 /mi

Average Pace

6:16 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:44

10% of race

Time at Steady Pace

2:20:51

86% of race

Time at Slower Pace

6:31

4% of race

Average Pace: 6:16 /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 mi10:20:1519:456:2119:45
6:21
#1627
10K
6.21 mi10:39:4839:186:1919:33
6:18
#1662
15K
9.32 mi10:59:1458:446:1819:26
6:15
#1584
20K
12.43 mi11:18:511:18:216:1819:37
6:19
#1547
Half
13.11 mi11:23:051:22:356:184:14
6:12
#1534
25K
15.53 mi11:38:221:37:526:1815:17
6:18
#1476
30K
18.64 mi11:58:071:57:376:1919:45
6:21
#1371
20M
20.00 mi12:06:492:06:196:198:42
6:24
#1348
21M
21.00 mi12:13:202:12:506:206:31
6:31
#1285
35K
21.75 mi12:17:552:17:256:194:35
6:08
#1257
23M
23.00 mi12:25:442:25:146:197:49
6:15
#1192
24M
24.00 mi12:31:412:31:116:185:57
5:57
#1138
40K
24.85 mi12:36:512:36:216:175:10
6:03
#1093
25.2M
25.20 mi12:38:592:38:296:172:08
6:11
#1068
Finish
26.22 mi12:44:362:44:066:165:37
5:31
#976
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1627155015501443(Top 5%)1376(Top 9%)1376(Top 26%)
10K6.21 mi3.10 mi1662-351587-371587-371737(Top 7%)1661(Top 11%)1661(Top 31%)
15K9.32 mi3.11 mi1584+781513+741513+741443(Top 5%)1376(Top 9%)1376(Top 26%)
20K12.43 mi3.11 mi1547+371478+351478+351433(Top 5%)1368(Top 9%)1368(Top 26%)
Half13.11 mi0.68 mi1534+131465+131465+131349(Top 5%)1289(Top 8%)1289(Top 24%)
25K15.53 mi2.42 mi1476+581410+551410+551341(Top 5%)1281(Top 8%)1281(Top 24%)
30K18.64 mi3.11 mi1371+1051309+1011309+1011079(Top 4%)1027(Top 7%)1027(Top 19%)
20M20.00 mi1.36 mi1348+231288+211288+211141(Top 4%)1091(Top 7%)1091(Top 21%)
21M21.00 mi1.00 mi1285+631229+591229+59685(Top 3%)646(Top 4%)646(Top 12%)
35K21.75 mi0.75 mi1257+281201+281201+281007(Top 4%)957(Top 6%)957(Top 18%)
23M23.00 mi1.25 mi1192+651139+621139+62705(Top 3%)665(Top 4%)665(Top 13%)
24M24.00 mi1.00 mi1138+541086+531086+53464(Top 2%)437(Top 3%)437(Top 8%)
40K24.85 mi0.85 mi1093+451041+451041+45398(Top 1%)373(Top 2%)373(Top 7%)
25.2M25.20 mi0.35 mi1068+251016+251016+25163(Top 0.6%)146(Top 1.0%)146(Top 3%)
Finish26.22 mi1.02 mi976+92928+88928+88104(Top 0.4%)92(Top 0.6%)92(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1443

Males

1376

M18-39

1376

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1737

Males

1661

M18-39

1661

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1443

Males

1376

M18-39

1376

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1433

Males

1368

M18-39

1368

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1349

Males

1289

M18-39

1289

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1341

Males

1281

M18-39

1281

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1079

Males

1027

M18-39

1027

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1141

Males

1091

M18-39

1091

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

685

Males

646

M18-39

646

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1007

Males

957

M18-39

957

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

705

Males

665

M18-39

665

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

464

Males

437

M18-39

437

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

398

Males

373

M18-39

373

40K→25.2M

24.9 - 25.2 mi

Top 0.6%
×1story
+13ft-16ft

Overall

163

Males

146

M18-39

146

25.2M→Finish

25.2 - 26.2 mi

Top 0.4%
×2stories
+22ft-21ft

Overall

104

Males

92

M18-39

92

Passing Analysis

Category:
Athletes Passed
858
Passed By
207
Net Change
+651
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1627
5K → 10K78113-35#1627#1662
10K → 15K10426+78#1662#1584
15K → 20K6023+37#1584#1547
20K → Half185+13#1547#1534
Half → 25K7214+58#1534#1476
25K → 30K11712+105#1476#1371
30K → 20M307+23#1371#1348
20M → 21M641+63#1348#1285
21M → 35K313+28#1285#1257
35K → 23M672+65#1257#1192
23M → 24M540+54#1192#1138
24M → 40K450+45#1138#1093
40K → 25.2M261+25#1093#1068
25.2M → Finish920+92#1068#976
TOTALS858207+651
📊

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