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BOSTON MARATHON 2023

Alexander De Wulf

Bib: 6202•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 30%
Masters (Masters Men)
#0 / 9891
Top 16%
Division (M40-44)
#0 / 2241
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:11
Rank: #2261
Start → 5K
20:11 | 6:30/mi
10K· 6.21 mi
40:35
Rank: #2690 (-429)
5K → 10K
20:24 | 6:34/mi
15K· 9.32 mi
1:01:17
Rank: #3016 (-326)
10K → 15K
20:42 | 6:40/mi
20K· 12.43 mi
1:22:18
Rank: #3242 (-226)
15K → 20K
21:01 | 6:46/mi
Half· 13.11 mi
1:26:49
Rank: #3253 (-11)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:19
Rank: #3365 (-112)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:05:23
Rank: #3663 (-298)
25K → 30K
22:04 | 7:06/mi
20M
2:15:17
Rank: #3815 (-152)
30K → 20M
9:54 | 7:17/mi
21M
2:23:26
Rank: #4145 (-330)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:28:38
Rank: #4177 (-32)
21M → 35K
5:12 | 6:57/mi
23M
2:38:20
Rank: #4484 (-307)
35K → 23M
9:42 | 7:45/mi
24M
2:45:38
Rank: #4564 (-80)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
2:52:26
Rank: #4707 (-143)
24M → 40K
6:48 | 7:57/mi
25.2M
2:55:25
Rank: #4769 (-62)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:03:50
Rank: #5017 (-248)
25.2M → Finish
8:25 | 8:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:49
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:37:01
Pace7:24 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2420:116:3020:11
6:30
-
10K
6.21 mi10:43:4840:356:3220:24
6:34
+0:04
15K
9.32 mi11:04:301:01:176:3520:42
6:40
+0:06
20K
12.43 mi11:25:311:22:186:3721:01
6:46
+0:06
Half
13.11 mi11:30:021:26:496:374:31
6:37
-0:09
25K
15.53 mi11:46:321:43:196:3916:30
6:48
+0:11
30K
18.64 mi12:08:362:05:236:4422:04
7:06
+0:18
20M
20.00 mi12:18:302:15:176:469:54
7:17
+0:11
21M
21.00 mi12:26:392:23:266:508:09
8:09
+0:52
35K
21.75 mi12:31:512:28:386:505:12
6:57
-1:12
23M
23.00 mi12:41:332:38:206:539:42
7:45
+0:48
24M
24.00 mi12:48:512:45:386:547:18
7:18
-0:27
40K
24.85 mi12:55:392:52:266:566:48
7:57
+0:39
25.2M
25.20 mi12:58:382:55:256:582:59
8:39
+0:42
Finish
26.22 mi13:07:033:03:507:018:25
8:16
-0:23

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

6:30 /mi

Average Pace

7:01 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:48

36% of race

Time at Steady Pace

1:21:59

45% of race

Time at Slower Pace

36:03

20% of race

Average Pace: 7:01 /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 mi10:23:2420:116:3020:11
6:30
#2261
10K
6.21 mi10:43:4840:356:3220:24
6:34
#2690
15K
9.32 mi11:04:301:01:176:3520:42
6:40
#3016
20K
12.43 mi11:25:311:22:186:3721:01
6:46
#3242
Half
13.11 mi11:30:021:26:496:374:31
6:37
#3253
25K
15.53 mi11:46:321:43:196:3916:30
6:48
#3365
30K
18.64 mi12:08:362:05:236:4422:04
7:06
#3663
20M
20.00 mi12:18:302:15:176:469:54
7:17
#3815
21M
21.00 mi12:26:392:23:266:508:09
8:09
#4145
35K
21.75 mi12:31:512:28:386:505:12
6:57
#4177
23M
23.00 mi12:41:332:38:206:539:42
7:45
#4484
24M
24.00 mi12:48:512:45:386:547:18
7:18
#4564
40K
24.85 mi12:55:392:52:266:566:48
7:57
#4707
25.2M
25.20 mi12:58:382:55:256:582:59
8:39
#4769
Finish
26.22 mi13:07:033:03:507:018:25
8:16
#5017
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2261215921593794(Top 14%)3573(Top 24%)3573(Top 159%)
10K6.21 mi3.10 mi2690-4292567-4082567-4083252(Top 12%)3098(Top 20%)3098(Top 138%)
15K9.32 mi3.11 mi3016-3262875-3082875-3083794(Top 14%)3573(Top 24%)3573(Top 159%)
20K12.43 mi3.11 mi3242-2263084-2093084-2094138(Top 16%)3882(Top 26%)3882(Top 173%)
Half13.11 mi0.68 mi3253-113095-113095-113645(Top 14%)3453(Top 23%)3453(Top 154%)
25K15.53 mi2.42 mi3365-1123199-1043199-1044214(Top 16%)3945(Top 26%)3945(Top 176%)
30K18.64 mi3.11 mi3663-2983462-2633462-2634947(Top 19%)4551(Top 30%)4551(Top 203%)
20M20.00 mi1.36 mi3815-1523596-1343596-1345542(Top 21%)4954(Top 33%)4954(Top 221%)
21M21.00 mi1.00 mi4145-3303885-2893885-2898252(Top 31%)6604(Top 44%)6604(Top 295%)
35K21.75 mi0.75 mi4177-323910-253910-255053(Top 19%)4528(Top 30%)4528(Top 202%)
23M23.00 mi1.25 mi4484-3074180-2704180-2708002(Top 30%)6401(Top 42%)6401(Top 286%)
24M24.00 mi1.00 mi4564-804251-714251-716336(Top 24%)5299(Top 35%)5299(Top 236%)
40K24.85 mi0.85 mi4707-1434365-1144365-1149673(Top 36%)7151(Top 47%)7151(Top 319%)
25.2M25.20 mi0.35 mi4769-624410-454410-4510325(Top 39%)7423(Top 49%)7423(Top 331%)
Finish26.22 mi1.02 mi5017-2484611-2014611-20113788(Top 52%)9129(Top 60%)9129(Top 407%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3794

Males

3573

M40-44

3573

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3252

Males

3098

M40-44

3098

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3794

Males

3573

M40-44

3573

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4138

Males

3882

M40-44

3882

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3645

Males

3453

M40-44

3453

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4214

Males

3945

M40-44

3945

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

4947

Males

4551

M40-44

4551

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5542

Males

4954

M40-44

4954

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8252

Males

6604

M40-44

6604

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5053

Males

4528

M40-44

4528

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8002

Males

6401

M40-44

6401

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6336

Males

5299

M40-44

5299

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9673

Males

7151

M40-44

7151

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10325

Males

7423

M40-44

7423

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13788

Males

9129

M40-44

9129

Passing Analysis

Category:
Athletes Passed
291
Passed By
3047
Net Change
-2756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2261
5K → 10K23452-429#2261#2690
10K → 15K18344-326#2690#3016
15K → 20K29255-226#3016#3242
20K → Half1324-11#3242#3253
Half → 25K41153-112#3253#3365
25K → 30K29327-298#3365#3663
30K → 20M28180-152#3663#3815
20M → 21M21351-330#3815#4145
21M → 35K2355-32#4145#4177
35K → 23M18325-307#4177#4484
23M → 24M23103-80#4484#4564
24M → 40K15158-143#4564#4707
40K → 25.2M365-62#4707#4769
25.2M → Finish7255-248#4769#5017
TOTALS2913047-2756
📊

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