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BOSTON MARATHON 2023

Derek Van Schepen

Bib: 4392•M

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0:00
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:44
Rank: #3448
Start → 5K
20:44 | 6:40/mi
10K· 6.21 mi
41:04
Rank: #3239 (+209)
5K → 10K
20:20 | 6:33/mi
15K· 9.32 mi
1:01:02
Rank: #2817 (+422)
10K → 15K
19:58 | 6:26/mi
20K· 12.43 mi
1:20:42
Rank: #2412 (+405)
15K → 20K
19:40 | 6:20/mi
Half· 13.11 mi
1:24:56
Rank: #2358 (+54)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:40:06
Rank: #2118 (+240)
Half → 25K
15:10 | 6:15/mi
30K· 18.64 mi
1:59:47
Rank: #1855 (+263)
25K → 30K
19:41 | 6:20/mi
20M
2:08:23
Rank: #1743 (+112)
30K → 20M
8:36 | 6:20/mi
21M
2:15:01
Rank: #1679 (+64)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:19:32
Rank: #1629 (+50)
21M → 35K
4:31 | 6:02/mi
23M
2:27:21
Rank: #1542 (+87)
35K → 23M
7:49 | 6:15/mi
24M
2:33:25
Rank: #1474 (+68)
23M → 24M
6:04 | 6:04/mi
40K· 24.85 mi
2:38:41
Rank: #1420 (+54)
24M → 40K
5:16 | 6:10/mi
25.2M
2:40:56
Rank: #1399 (+21)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:47:06
Rank: #1340 (+59)
25.2M → Finish
6:10 | 6:03/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:24:56
Pace6:29 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:10
Pace6:16 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5320:446:4020:44
6:40
-
10K
6.21 mi10:43:1341:046:3720:20
6:33
-0:07
15K
9.32 mi11:03:111:01:026:3319:58
6:26
-0:07
20K
12.43 mi11:22:511:20:426:3019:40
6:20
-0:06
Half
13.11 mi11:27:051:24:566:294:14
6:12
-0:08
25K
15.53 mi11:42:151:40:066:2715:10
6:15
+0:03
30K
18.64 mi12:01:561:59:476:2619:41
6:20
+0:05
20M
20.00 mi12:10:322:08:236:258:36
6:20
0:00
21M
21.00 mi12:17:102:15:016:266:38
6:38
+0:18
35K
21.75 mi12:21:412:19:326:254:31
6:02
-0:36
23M
23.00 mi12:29:302:27:216:247:49
6:15
+0:13
24M
24.00 mi12:35:342:33:256:246:04
6:04
-0:11
40K
24.85 mi12:40:502:38:416:235:16
6:10
+0:06
25.2M
25.20 mi12:43:052:40:566:232:15
6:31
+0:21
Finish
26.22 mi12:49:152:47:066:236:10
6:03
-0:28

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

6:02 /mi

Average Pace

6:23 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:22

88% of race

Time at Steady Pace

20:44

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:22:5320:446:4020:44
6:40
#3448
10K
6.21 mi10:43:1341:046:3720:20
6:33
#3239
15K
9.32 mi11:03:111:01:026:3319:58
6:26
#2817
20K
12.43 mi11:22:511:20:426:3019:40
6:20
#2412
Half
13.11 mi11:27:051:24:566:294:14
6:12
#2358
25K
15.53 mi11:42:151:40:066:2715:10
6:15
#2118
30K
18.64 mi12:01:561:59:476:2619:41
6:20
#1855
20M
20.00 mi12:10:322:08:236:258:36
6:20
#1743
21M
21.00 mi12:17:102:15:016:266:38
6:38
#1679
35K
21.75 mi12:21:412:19:326:254:31
6:02
#1629
23M
23.00 mi12:29:302:27:216:247:49
6:15
#1542
24M
24.00 mi12:35:342:33:256:246:04
6:04
#1474
40K
24.85 mi12:40:502:38:416:235:16
6:10
#1420
25.2M
25.20 mi12:43:052:40:566:232:15
6:31
#1399
Finish
26.22 mi12:49:152:47:066:236:10
6:03
#1340
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3448324932492250(Top 8%)2159(Top 14%)2159(Top 41%)
10K6.21 mi3.10 mi3239+2093071+1783071+1783102(Top 12%)2958(Top 19%)2958(Top 56%)
15K9.32 mi3.11 mi2817+4222689+3822689+3822250(Top 8%)2159(Top 14%)2159(Top 41%)
20K12.43 mi3.11 mi2412+4052310+3792310+3791532(Top 6%)1463(Top 10%)1463(Top 28%)
Half13.11 mi0.68 mi2358+542260+502260+501441(Top 5%)1378(Top 9%)1378(Top 26%)
25K15.53 mi2.42 mi2118+2402032+2282032+2281179(Top 4%)1125(Top 7%)1125(Top 21%)
30K18.64 mi3.11 mi1855+2631775+2571775+2571028(Top 4%)977(Top 6%)977(Top 18%)
20M20.00 mi1.36 mi1743+1121667+1081667+108951(Top 4%)908(Top 6%)908(Top 17%)
21M21.00 mi1.00 mi1679+641605+621605+62951(Top 4%)903(Top 6%)903(Top 17%)
35K21.75 mi0.75 mi1629+501557+481557+48797(Top 3%)754(Top 5%)754(Top 14%)
23M23.00 mi1.25 mi1542+871472+851472+85720(Top 3%)680(Top 4%)680(Top 13%)
24M24.00 mi1.00 mi1474+681406+661406+66702(Top 3%)664(Top 4%)664(Top 13%)
40K24.85 mi0.85 mi1420+541354+521354+52611(Top 2%)576(Top 4%)576(Top 11%)
25.2M25.20 mi0.35 mi1399+211334+201334+20570(Top 2%)538(Top 4%)538(Top 10%)
Finish26.22 mi1.02 mi1340+591276+581276+58880(Top 3%)840(Top 6%)840(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2250

Males

2159

M18-39

2159

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3102

Males

2958

M18-39

2958

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2250

Males

2159

M18-39

2159

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1532

Males

1463

M18-39

1463

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1441

Males

1378

M18-39

1378

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1179

Males

1125

M18-39

1125

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1028

Males

977

M18-39

977

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

951

Males

908

M18-39

908

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

951

Males

903

M18-39

903

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

797

Males

754

M18-39

754

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

720

Males

680

M18-39

680

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

702

Males

664

M18-39

664

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

611

Males

576

M18-39

576

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

570

Males

538

M18-39

538

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

880

Males

840

M18-39

840

Passing Analysis

Category:
Athletes Passed
2210
Passed By
102
Net Change
+2108
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3448
5K → 10K29283+209#3448#3239
10K → 15K4253+422#3239#2817
15K → 20K4050+405#2817#2412
20K → Half551+54#2412#2358
Half → 25K2411+240#2358#2118
25K → 30K2630+263#2118#1855
30K → 20M1142+112#1855#1743
20M → 21M640+64#1743#1679
21M → 35K522+50#1679#1629
35K → 23M903+87#1629#1542
23M → 24M702+68#1542#1474
24M → 40K551+54#1474#1420
40K → 25.2M232+21#1420#1399
25.2M → Finish612+59#1399#1340
TOTALS2210102+2108
📊

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