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BOSTON MARATHON 2023

Robert Van Wezel

Bib: 30250•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:23/mi
29:09
↑ 97↓ 3451.5%
10K· 6.21 mi
9:12/mi
57:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:56/mi
1:25:29
↑ 67↓ 78
20K· 12.43 mi
9:11/mi
1:54:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
2:00:06
↑ 19↓ 370.5%
25K· 15.53 mi
9:12/mi
2:22:24
↑ 66↓ 880.2%
30K· 18.64 mi
9:38/mi
2:52:19
↑ 181↓ 1480.2%
20M
9:48/mi
3:05:38
↑ 64↓ 500.2%
21M
10:08/mi
3:15:46
↑ 106↓ 241.6%
35K· 21.75 mi
9:05/mi
3:22:34
↑ 17↓ 861.7%
23M
9:33/mi
3:34:32
↑ 23↓ 630.6%
24M
9:20/mi
3:43:52
↓ 821.3%
40K· 24.85 mi
9:47/mi
3:52:14
↓ 200.3%
25.2M
11:16/mi
3:56:07
↑ 13↓ 160.2%
Finish· 26.22 mi
9:36/mi
4:05:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:06
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:05:48
Pace9:36 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5929:099:2329:09
9:23
-
10K
6.21 mi12:16:3457:449:1728:35
9:12
-0:11
15K
9.32 mi12:44:191:25:299:1027:45
8:56
-0:16
20K
12.43 mi13:12:501:54:009:1028:31
9:11
+0:15
Half
13.11 mi13:18:562:00:069:106:06
8:56
-0:15
25K
15.53 mi13:41:142:22:249:1022:18
9:12
+0:16
30K
18.64 mi14:11:092:52:199:1529:55
9:38
+0:26
20M
20.00 mi14:24:283:05:389:1713:19
9:48
+0:10
21M
21.00 mi14:34:363:15:469:1910:08
10:08
+0:20
35K
21.75 mi14:41:243:22:349:196:48
9:05
-1:03
23M
23.00 mi14:53:223:34:329:2011:58
9:33
+0:28
24M
24.00 mi15:02:423:43:529:209:20
9:20
-0:13
40K
24.85 mi15:11:043:52:149:218:22
9:47
+0:27
25.2M
25.20 mi15:14:573:56:079:223:53
11:16
+1:29
Finish
26.22 mi15:24:444:05:549:239:47
9:36
-1:40

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

8:56 /mi

Average Pace

9:23 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:39

17% of race

Time at Steady Pace

2:49:33

69% of race

Time at Slower Pace

35:42

15% of race

Average Pace: 9:23 /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 mi11:47:5929:099:2329:09
9:23
#21761
10K
6.21 mi12:16:3457:449:1728:35
9:12
#21697
15K
9.32 mi12:44:191:25:299:1027:45
8:56
#21266
20K
12.43 mi13:12:501:54:009:1028:31
9:11
#21085
Half
13.11 mi13:18:562:00:069:106:06
8:56
#21039
25K
15.53 mi13:41:142:22:249:1022:18
9:12
#20825
30K
18.64 mi14:11:092:52:199:1529:55
9:38
#20617
20M
20.00 mi14:24:283:05:389:1713:19
9:48
#20552
21M
21.00 mi14:34:363:15:469:1910:08
10:08
#20421
35K
21.75 mi14:41:243:22:349:196:48
9:05
#20324
23M
23.00 mi14:53:223:34:329:2011:58
9:33
#20225
24M
24.00 mi15:02:423:43:529:209:20
9:20
#20155
40K
24.85 mi15:11:043:52:149:218:22
9:47
#20131
25.2M
25.20 mi15:14:573:56:079:223:53
11:16
#20134
Finish
26.22 mi15:24:444:05:549:239:47
9:36
#20143
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21761129681296820183(Top 76%)12393(Top 82%)12393(Top 604%)
10K6.21 mi3.10 mi21697+6412990-2212990-2221616(Top 81%)12985(Top 86%)12985(Top 633%)
15K9.32 mi3.11 mi21266+43112824+16612824+16620183(Top 76%)12393(Top 82%)12393(Top 604%)
20K12.43 mi3.11 mi21085+18112745+7912745+7920476(Top 77%)12507(Top 82%)12507(Top 610%)
Half13.11 mi0.68 mi21039+4612728+1712728+1720146(Top 76%)12373(Top 82%)12373(Top 603%)
25K15.53 mi2.42 mi20825+21412643+8512643+8519825(Top 74%)12207(Top 80%)12207(Top 595%)
30K18.64 mi3.11 mi20617+20812529+11412529+11419897(Top 75%)12169(Top 80%)12169(Top 593%)
20M20.00 mi1.36 mi20552+6512480+4912480+4919846(Top 75%)12055(Top 79%)12055(Top 587%)
21M21.00 mi1.00 mi20421+13112415+6512415+6518495(Top 69%)11426(Top 75%)11426(Top 557%)
35K21.75 mi0.75 mi20324+9712358+5712358+5718270(Top 69%)11272(Top 74%)11272(Top 549%)
23M23.00 mi1.25 mi20225+9912309+4912309+4918545(Top 70%)11380(Top 75%)11380(Top 555%)
24M24.00 mi1.00 mi20155+7012267+4212267+4218596(Top 70%)11357(Top 75%)11357(Top 553%)
40K24.85 mi0.85 mi20131+2412250+1712250+1719344(Top 73%)11643(Top 77%)11643(Top 567%)
25.2M25.20 mi0.35 mi20134-312243+712243+721021(Top 79%)12394(Top 82%)12394(Top 604%)
Finish26.22 mi1.02 mi20143-912235+812235+820462(Top 77%)12165(Top 80%)12165(Top 593%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20183

Males

12393

M50-54

12393

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21616

Males

12985

M50-54

12985

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20183

Males

12393

M50-54

12393

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20476

Males

12507

M50-54

12507

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20146

Males

12373

M50-54

12373

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19825

Males

12207

M50-54

12207

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19897

Males

12169

M50-54

12169

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19846

Males

12055

M50-54

12055

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18495

Males

11426

M50-54

11426

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18270

Males

11272

M50-54

11272

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18545

Males

11380

M50-54

11380

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18596

Males

11357

M50-54

11357

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19344

Males

11643

M50-54

11643

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21021

Males

12394

M50-54

12394

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20462

Males

12165

M50-54

12165

Passing Analysis

Category:
Athletes Passed
2216
Passed By
598
Net Change
+1618
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21761
5K → 10K312248+64#21761#21697
10K → 15K45120+431#21697#21266
15K → 20K24261+181#21266#21085
20K → Half559+46#21085#21039
Half → 25K23319+214#21039#20825
25K → 30K25345+208#20825#20617
30K → 20M10439+65#20617#20552
20M → 21M14817+131#20552#20421
21M → 35K1058+97#20421#20324
35K → 23M11617+99#20324#20225
23M → 24M8616+70#20225#20155
24M → 40K5834+24#20155#20131
40K → 25.2M2225-3#20131#20134
25.2M → Finish3140-9#20134#20143
TOTALS2216598+1618
📊

Passing Visuals

Category:
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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