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BOSTON MARATHON 2023

Brendan Dewolf

Bib: 30434•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Division (M18-39)
#0 / 5285
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:25
Rank: #2683
Start → 5K
6:34/mi
20:25 split
10K· 6.21 mi
40:32
Rank: #2648 (+35)
5K → 10K
6:28/mi
20:07 split
15K· 9.32 mi
1:01:13
Rank: #2954 (-306)
10K → 15K
6:39/mi
20:41 split
20K· 12.43 mi
1:22:15
Rank: #3203 (-249)
15K → 20K
6:46/mi
21:02 split
Half· 13.11 mi
1:26:55
Rank: #3317 (-114)
20K → Half
6:50/mi
4:40 split
25K· 15.53 mi
1:43:21
Rank: #3380 (-63)
Half → 25K
6:47/mi
16:26 split
30K· 18.64 mi
2:05:18
Rank: #3630 (-250)
25K → 30K
7:04/mi
21:57 split
20M
2:14:57
Rank: #3671 (-41)
30K → 20M
7:06/mi
9:39 split
21M
2:22:19
Rank: #3673 (-2)
20M → 21M
7:22/mi
7:22 split
35K· 21.75 mi
2:27:32
Rank: #3723 (-50)
21M → 35K
6:58/mi
5:13 split
23M
2:36:17
Rank: #3697 (+26)
35K → 23M
6:59/mi
8:45 split
24M
2:43:05
Rank: #3681 (+16)
23M → 24M
6:48/mi
6:48 split
40K· 24.85 mi
2:49:06
Rank: #3685 (-4)
24M → 40K
7:02/mi
6:01 split
25.2M
2:51:42
Rank: #3690 (-5)
40K → 25.2M
7:32/mi
2:36 split
Finish· 26.22 mi
2:58:27
Rank: #3638 (+52)
25.2M → Finish
6:37/mi
6:45 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:55
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:31:32
Pace6:59 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:3420:256:3420:25
6:34
-
10K
6.21 mi11:58:4140:326:3120:07
6:28
-0:06
15K
9.32 mi12:19:221:01:136:3420:41
6:39
+0:11
20K
12.43 mi12:40:241:22:156:3721:02
6:46
+0:07
Half
13.11 mi12:45:041:26:556:384:40
6:50
+0:04
25K
15.53 mi13:01:301:43:216:3916:26
6:47
-0:03
30K
18.64 mi13:23:272:05:186:4321:57
7:04
+0:17
20M
20.00 mi13:33:062:14:576:459:39
7:06
+0:02
21M
21.00 mi13:40:282:22:196:477:22
7:22
+0:16
35K
21.75 mi13:45:412:27:326:475:13
6:58
-0:24
23M
23.00 mi13:54:262:36:176:488:45
6:59
+0:01
24M
24.00 mi14:01:142:43:056:486:48
6:48
-0:11
40K
24.85 mi14:07:152:49:066:486:01
7:02
+0:14
25.2M
25.20 mi14:09:512:51:426:492:36
7:32
+0:30
Finish
26.22 mi14:16:362:58:276:496:45
6:37
-0:55

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

6:28 /mi

Average Pace

6:49 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:29

94% of race

Time at Steady Pace

9:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi11:38:3420:256:3420:25
6:34
#2683
10K
6.21 mi11:58:4140:326:3120:07
6:28
#2648
15K
9.32 mi12:19:221:01:136:3420:41
6:39
#2954
20K
12.43 mi12:40:241:22:156:3721:02
6:46
#3203
Half
13.11 mi12:45:041:26:556:384:40
6:50
#3317
25K
15.53 mi13:01:301:43:216:3916:26
6:47
#3380
30K
18.64 mi13:23:272:05:186:4321:57
7:04
#3630
20M
20.00 mi13:33:062:14:576:459:39
7:06
#3671
21M
21.00 mi13:40:282:22:196:477:22
7:22
#3673
35K
21.75 mi13:45:412:27:326:475:13
6:58
#3723
23M
23.00 mi13:54:262:36:176:488:45
6:59
#3697
24M
24.00 mi14:01:142:43:056:486:48
6:48
#3681
40K
24.85 mi14:07:152:49:066:486:01
7:02
#3685
25.2M
25.20 mi14:09:512:51:426:492:36
7:32
#3690
Finish
26.22 mi14:16:362:58:276:496:45
6:37
#3638
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2683255525553741(Top 14%)3525(Top 23%)3525(Top 67%)
10K6.21 mi3.10 mi2648+352528+272528+272655(Top 10%)2539(Top 17%)2539(Top 48%)
15K9.32 mi3.11 mi2954-3062817-2892817-2893741(Top 14%)3525(Top 23%)3525(Top 67%)
20K12.43 mi3.11 mi3203-2493049-2323049-2324160(Top 16%)3899(Top 26%)3899(Top 74%)
Half13.11 mi0.68 mi3317-1143155-1063155-1065502(Top 21%)5062(Top 33%)5062(Top 96%)
25K15.53 mi2.42 mi3380-633213-583213-583939(Top 15%)3700(Top 24%)3700(Top 70%)
30K18.64 mi3.11 mi3630-2503432-2193432-2194736(Top 18%)4370(Top 29%)4370(Top 83%)
20M20.00 mi1.36 mi3671-413467-353467-354602(Top 17%)4221(Top 28%)4221(Top 80%)
21M21.00 mi1.00 mi3673-23469-23469-23954(Top 15%)3646(Top 24%)3646(Top 69%)
35K21.75 mi0.75 mi3723-503511-423511-425139(Top 19%)4590(Top 30%)4590(Top 87%)
23M23.00 mi1.25 mi3697+263485+263485+263714(Top 14%)3428(Top 23%)3428(Top 65%)
24M24.00 mi1.00 mi3681+163467+183467+183639(Top 14%)3338(Top 22%)3338(Top 63%)
40K24.85 mi0.85 mi3685-43466+13466+14012(Top 15%)3594(Top 24%)3594(Top 68%)
25.2M25.20 mi0.35 mi3690-53470-43470-44027(Top 15%)3569(Top 24%)3569(Top 68%)
Finish26.22 mi1.02 mi3638+523424+463424+463105(Top 12%)2800(Top 18%)2800(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3741

Males

3525

M18-39

3525

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2655

Males

2539

M18-39

2539

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3741

Males

3525

M18-39

3525

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4160

Males

3899

M18-39

3899

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5502

Males

5062

M18-39

5062

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3939

Males

3700

M18-39

3700

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4736

Males

4370

M18-39

4370

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4602

Males

4221

M18-39

4221

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3954

Males

3646

M18-39

3646

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5139

Males

4590

M18-39

4590

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3714

Males

3428

M18-39

3428

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3639

Males

3338

M18-39

3338

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4012

Males

3594

M18-39

3594

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4027

Males

3569

M18-39

3569

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3105

Males

2800

M18-39

2800

Passing Analysis

Category:
Athletes Passed
700
Passed By
1655
Net Change
-955
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2683
5K → 10K174139+35#2683#2648
10K → 15K22328-306#2648#2954
15K → 20K22271-249#2954#3203
20K → Half0114-114#3203#3317
Half → 25K55118-63#3317#3380
25K → 30K35285-250#3380#3630
30K → 20M4990-41#3630#3671
20M → 21M5557-2#3671#3673
21M → 35K1565-50#3673#3723
35K → 23M7549+26#3723#3697
23M → 24M5640+16#3697#3681
24M → 40K4145-4#3681#3685
40K → 25.2M1823-5#3685#3690
25.2M → Finish8331+52#3690#3638
TOTALS7001655-955
📊

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