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BOSTON MARATHON 2023

Bryan Voelzke

Bib: 4512•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 27%
Masters (Masters Men)
#0 / 9891
Top 14%
Division (M45-49)
#0 / 2252
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:08
Rank: #4694
Start → 5K
21:08 | 6:48/mi
10K· 6.21 mi
42:05
Rank: #4721 (-27)
5K → 10K
20:57 | 6:45/mi
15K· 9.32 mi
1:03:08
Rank: #4735 (-14)
10K → 15K
21:03 | 6:47/mi
20K· 12.43 mi
1:24:21
Rank: #4707 (+28)
15K → 20K
21:13 | 6:50/mi
Half· 13.11 mi
1:28:59
Rank: #4734 (-27)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:45:33
Rank: #4646 (+88)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:07:20
Rank: #4583 (+63)
25K → 30K
21:47 | 7:01/mi
20M
2:16:54
Rank: #4542 (+41)
30K → 20M
9:34 | 7:02/mi
21M
2:24:18
Rank: #4513 (+29)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:29:24
Rank: #4485 (+28)
21M → 35K
5:06 | 6:49/mi
23M
2:38:16
Rank: #4461 (+24)
35K → 23M
8:52 | 7:05/mi
24M
2:45:13
Rank: #4448 (+13)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:51:16
Rank: #4426 (+22)
24M → 40K
6:03 | 7:05/mi
25.2M
2:53:57
Rank: #4426
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:01:19
Rank: #4484 (-58)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:59
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:32:20
Pace7:03 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1621:086:4821:08
6:48
-
10K
6.21 mi10:44:1342:056:4620:57
6:45
-0:03
15K
9.32 mi11:05:161:03:086:4621:03
6:47
+0:02
20K
12.43 mi11:26:291:24:216:4721:13
6:50
+0:03
Half
13.11 mi11:31:071:28:596:474:38
6:47
-0:03
25K
15.53 mi11:47:411:45:336:4816:34
6:50
+0:03
30K
18.64 mi12:09:282:07:206:5021:47
7:01
+0:11
20M
20.00 mi12:19:022:16:546:519:34
7:02
+0:01
21M
21.00 mi12:26:262:24:186:527:24
7:24
+0:22
35K
21.75 mi12:31:322:29:246:525:06
6:49
-0:35
23M
23.00 mi12:40:242:38:166:538:52
7:05
+0:16
24M
24.00 mi12:47:212:45:136:536:57
6:57
-0:08
40K
24.85 mi12:53:242:51:166:536:03
7:05
+0:08
25.2M
25.20 mi12:56:052:53:576:542:41
7:47
+0:42
Finish
26.22 mi13:03:273:01:196:557:22
7:14
-0:33

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

6:45 /mi

Average Pace

6:55 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:38

99% of race

Time at Steady Pace

2:41

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:55 /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 mi10:23:1621:086:4821:08
6:48
#4694
10K
6.21 mi10:44:1342:056:4620:57
6:45
#4721
15K
9.32 mi11:05:161:03:086:4621:03
6:47
#4735
20K
12.43 mi11:26:291:24:216:4721:13
6:50
#4707
Half
13.11 mi11:31:071:28:596:474:38
6:47
#4734
25K
15.53 mi11:47:411:45:336:4816:34
6:50
#4646
30K
18.64 mi12:09:282:07:206:5021:47
7:01
#4583
20M
20.00 mi12:19:022:16:546:519:34
7:02
#4542
21M
21.00 mi12:26:262:24:186:527:24
7:24
#4513
35K
21.75 mi12:31:322:29:246:525:06
6:49
#4485
23M
23.00 mi12:40:242:38:166:538:52
7:05
#4461
24M
24.00 mi12:47:212:45:136:536:57
6:57
#4448
40K
24.85 mi12:53:242:51:166:536:03
7:05
#4426
25.2M
25.20 mi12:56:052:53:576:542:41
7:47
#4426
Finish
26.22 mi13:03:273:01:196:557:22
7:14
#4484
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4694436843684868(Top 18%)4529(Top 30%)4529(Top 201%)
10K6.21 mi3.10 mi4721-274402-344402-344755(Top 18%)4419(Top 29%)4419(Top 196%)
15K9.32 mi3.11 mi4735-144408-64408-64868(Top 18%)4529(Top 30%)4529(Top 201%)
20K12.43 mi3.11 mi4707+284393+154393+154705(Top 18%)4377(Top 29%)4377(Top 194%)
Half13.11 mi0.68 mi4734-274412-194412-195148(Top 19%)4758(Top 31%)4758(Top 211%)
25K15.53 mi2.42 mi4646+884329+834329+834446(Top 17%)4144(Top 27%)4144(Top 184%)
30K18.64 mi3.11 mi4583+634274+554274+554417(Top 17%)4100(Top 27%)4100(Top 182%)
20M20.00 mi1.36 mi4542+414235+394235+394269(Top 16%)3940(Top 26%)3940(Top 175%)
21M21.00 mi1.00 mi4513+294211+244211+244123(Top 15%)3792(Top 25%)3792(Top 168%)
35K21.75 mi0.75 mi4485+284182+294182+294297(Top 16%)3932(Top 26%)3932(Top 175%)
23M23.00 mi1.25 mi4461+244161+214161+214208(Top 16%)3851(Top 25%)3851(Top 171%)
24M24.00 mi1.00 mi4448+134151+104151+104412(Top 17%)3987(Top 26%)3987(Top 177%)
40K24.85 mi0.85 mi4426+224130+214130+214235(Top 16%)3770(Top 25%)3770(Top 167%)
25.2M25.20 mi0.35 mi44264128+24128+25227(Top 20%)4407(Top 29%)4407(Top 196%)
Finish26.22 mi1.02 mi4484-584172-444172-446591(Top 25%)5302(Top 35%)5302(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4868

Males

4529

M45-49

4529

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4755

Males

4419

M45-49

4419

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4868

Males

4529

M45-49

4529

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4705

Males

4377

M45-49

4377

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5148

Males

4758

M45-49

4758

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4446

Males

4144

M45-49

4144

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4417

Males

4100

M45-49

4100

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4269

Males

3940

M45-49

3940

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4123

Males

3792

M45-49

3792

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4297

Males

3932

M45-49

3932

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4208

Males

3851

M45-49

3851

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4412

Males

3987

M45-49

3987

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4235

Males

3770

M45-49

3770

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5227

Males

4407

M45-49

4407

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6591

Males

5302

M45-49

5302

Passing Analysis

Category:
Athletes Passed
1173
Passed By
963
Net Change
+210
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4694
5K → 10K194221-27#4694#4721
10K → 15K105119-14#4721#4735
15K → 20K11183+28#4735#4707
20K → Half1441-27#4707#4734
Half → 25K14658+88#4734#4646
25K → 30K15390+63#4646#4583
30K → 20M7837+41#4583#4542
20M → 21M7647+29#4542#4513
21M → 35K5426+28#4513#4485
35K → 23M8965+24#4485#4461
23M → 24M4734+13#4461#4448
24M → 40K5634+22#4448#4426
40K → 25.2M16160#4426#4426
25.2M → Finish3492-58#4426#4484
TOTALS1173963+210
📊

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