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BOSTON MARATHON 2023

Derek Veltema

Bib: 3570•M

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:04
Rank: #2051
Start → 5K
20:04 | 6:28/mi
10K· 6.21 mi
39:24
Rank: #1745 (+306)
5K → 10K
19:20 | 6:13/mi
15K· 9.32 mi
58:41
Rank: #1567 (+178)
10K → 15K
19:17 | 6:12/mi
20K· 12.43 mi
1:18:04
Rank: #1430 (+137)
15K → 20K
19:23 | 6:14/mi
Half· 13.11 mi
1:22:17
Rank: #1419 (+11)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:37:28
Rank: #1364 (+55)
Half → 25K
15:11 | 6:16/mi
30K· 18.64 mi
1:57:09
Rank: #1279 (+85)
25K → 30K
19:41 | 6:20/mi
20M
2:05:50
Rank: #1254 (+25)
30K → 20M
8:41 | 6:23/mi
21M
2:12:31
Rank: #1228 (+26)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:17:08
Rank: #1207 (+21)
21M → 35K
4:37 | 6:10/mi
23M
2:25:09
Rank: #1181 (+26)
35K → 23M
8:01 | 6:24/mi
24M
2:31:21
Rank: #1160 (+21)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:36:43
Rank: #1143 (+17)
24M → 40K
5:22 | 6:17/mi
25.2M
2:39:00
Rank: #1124 (+19)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:45:03
Rank: #1083 (+41)
25.2M → Finish
6:03 | 5:56/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:22:17
Pace6:17 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:22:46
Pace6:19 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1420:046:2820:04
6:28
-
10K
6.21 mi10:40:3439:246:2019:20
6:13
-0:15
15K
9.32 mi10:59:5158:416:1819:17
6:12
-0:01
20K
12.43 mi11:19:141:18:046:1719:23
6:14
+0:02
Half
13.11 mi11:23:271:22:176:174:13
6:11
-0:03
25K
15.53 mi11:38:381:37:286:1615:11
6:16
+0:05
30K
18.64 mi11:58:191:57:096:1719:41
6:20
+0:04
20M
20.00 mi12:07:002:05:506:178:41
6:23
+0:03
21M
21.00 mi12:13:412:12:316:196:41
6:41
+0:18
35K
21.75 mi12:18:182:17:086:184:37
6:10
-0:31
23M
23.00 mi12:26:192:25:096:198:01
6:24
+0:14
24M
24.00 mi12:32:312:31:216:186:12
6:12
-0:12
40K
24.85 mi12:37:532:36:436:185:22
6:17
+0:05
25.2M
25.20 mi12:40:102:39:006:192:17
6:37
+0:20
Finish
26.22 mi12:46:132:45:036:186:03
5:56
-0:41

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

5:56 /mi

Average Pace

6:18 /mi

Slowest Pace

6:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:05

95% of race

Time at Steady Pace

8:58

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:18 /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 mi10:21:1420:046:2820:04
6:28
#2051
10K
6.21 mi10:40:3439:246:2019:20
6:13
#1745
15K
9.32 mi10:59:5158:416:1819:17
6:12
#1567
20K
12.43 mi11:19:141:18:046:1719:23
6:14
#1430
Half
13.11 mi11:23:271:22:176:174:13
6:11
#1419
25K
15.53 mi11:38:381:37:286:1615:11
6:16
#1364
30K
18.64 mi11:58:191:57:096:1719:41
6:20
#1279
20M
20.00 mi12:07:002:05:506:178:41
6:23
#1254
21M
21.00 mi12:13:412:12:316:196:41
6:41
#1228
35K
21.75 mi12:18:182:17:086:184:37
6:10
#1207
23M
23.00 mi12:26:192:25:096:198:01
6:24
#1181
24M
24.00 mi12:32:312:31:216:186:12
6:12
#1160
40K
24.85 mi12:37:532:36:436:185:22
6:17
#1143
25.2M
25.20 mi12:40:102:39:006:192:17
6:37
#1124
Finish
26.22 mi12:46:132:45:036:186:03
5:56
#1083
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2051195719571256(Top 5%)1196(Top 8%)1196(Top 23%)
10K6.21 mi3.10 mi1745+3061667+2901667+2901430(Top 5%)1364(Top 9%)1364(Top 26%)
15K9.32 mi3.11 mi1567+1781497+1701497+1701256(Top 5%)1196(Top 8%)1196(Top 23%)
20K12.43 mi3.11 mi1430+1371364+1331364+1331165(Top 4%)1112(Top 7%)1112(Top 21%)
Half13.11 mi0.68 mi1419+111352+121352+121264(Top 5%)1212(Top 8%)1212(Top 23%)
25K15.53 mi2.42 mi1364+551301+511301+511183(Top 4%)1129(Top 7%)1129(Top 21%)
30K18.64 mi3.11 mi1279+851223+781223+781018(Top 4%)967(Top 6%)967(Top 18%)
20M20.00 mi1.36 mi1254+251198+251198+251098(Top 4%)1052(Top 7%)1052(Top 20%)
21M21.00 mi1.00 mi1228+261174+241174+241042(Top 4%)993(Top 7%)993(Top 19%)
35K21.75 mi0.75 mi1207+211153+211153+211149(Top 4%)1093(Top 7%)1093(Top 21%)
23M23.00 mi1.25 mi1181+261128+251128+251103(Top 4%)1043(Top 7%)1043(Top 20%)
24M24.00 mi1.00 mi1160+211106+221106+221024(Top 4%)970(Top 6%)970(Top 18%)
40K24.85 mi0.85 mi1143+171089+171089+17831(Top 3%)787(Top 5%)787(Top 15%)
25.2M25.20 mi0.35 mi1124+191071+181071+18709(Top 3%)674(Top 4%)674(Top 13%)
Finish26.22 mi1.02 mi1083+411031+401031+40596(Top 2%)567(Top 4%)567(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1256

Males

1196

M18-39

1196

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1430

Males

1364

M18-39

1364

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1256

Males

1196

M18-39

1196

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1165

Males

1112

M18-39

1112

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1264

Males

1212

M18-39

1212

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1183

Males

1129

M18-39

1129

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1018

Males

967

M18-39

967

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1098

Males

1052

M18-39

1052

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1042

Males

993

M18-39

993

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1149

Males

1093

M18-39

1093

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1103

Males

1043

M18-39

1043

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1024

Males

970

M18-39

970

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

831

Males

787

M18-39

787

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

709

Males

674

M18-39

674

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

596

Males

567

M18-39

567

Passing Analysis

Category:
Athletes Passed
1066
Passed By
98
Net Change
+968
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2051
5K → 10K32216+306#2051#1745
10K → 15K1879+178#1745#1567
15K → 20K1425+137#1567#1430
20K → Half176+11#1430#1419
Half → 25K638+55#1419#1364
25K → 30K905+85#1364#1279
30K → 20M3712+25#1279#1254
20M → 21M348+26#1254#1228
21M → 35K287+21#1228#1207
35K → 23M3711+26#1207#1181
23M → 24M276+21#1181#1160
24M → 40K214+17#1160#1143
40K → 25.2M190+19#1143#1124
25.2M → Finish421+41#1124#1083
TOTALS106698+968
📊

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