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BOSTON MARATHON 2023

Michael Welygan

Bib: 4107•M

AB

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:09
Rank: #4762
Start → 5K
21:09 | 6:48/mi
10K· 6.21 mi
41:50
Rank: #4315 (+447)
5K → 10K
20:41 | 6:39/mi
15K· 9.32 mi
1:03:28
Rank: #5078 (-763)
10K → 15K
21:38 | 6:58/mi
20K· 12.43 mi
1:24:57
Rank: #5194 (-116)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:29:37
Rank: #5218 (-24)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:19
Rank: #5135 (+83)
Half → 25K
16:42 | 6:53/mi
30K· 18.64 mi
2:08:53
Rank: #5288 (-153)
25K → 30K
22:34 | 7:16/mi
20M
2:19:01
Rank: #5360 (-72)
30K → 20M
10:08 | 7:27/mi
21M
2:27:11
Rank: #5470 (-110)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:32:48
Rank: #5541 (-71)
21M → 35K
5:37 | 7:30/mi
23M
2:42:27
Rank: #5604 (-63)
35K → 23M
9:39 | 7:42/mi
24M
2:50:16
Rank: #5708 (-104)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
2:57:14
Rank: #5815 (-107)
24M → 40K
6:58 | 8:09/mi
25.2M
3:00:12
Rank: #5857 (-42)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:08:06
Rank: #5966 (-109)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:37
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:38:29
Pace7:31 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1421:096:4821:09
6:48
-
10K
6.21 mi10:43:5541:506:4420:41
6:39
-0:09
15K
9.32 mi11:05:331:03:286:4921:38
6:58
+0:19
20K
12.43 mi11:27:021:24:576:5021:29
6:55
-0:03
Half
13.11 mi11:31:421:29:376:504:40
6:50
-0:05
25K
15.53 mi11:48:241:46:196:5116:42
6:53
+0:03
30K
18.64 mi12:10:582:08:536:5522:34
7:16
+0:23
20M
20.00 mi12:21:062:19:016:5710:08
7:27
+0:11
21M
21.00 mi12:29:162:27:117:018:10
8:10
+0:43
35K
21.75 mi12:34:532:32:487:025:37
7:30
-0:40
23M
23.00 mi12:44:322:42:277:049:39
7:42
+0:12
24M
24.00 mi12:52:212:50:167:067:49
7:49
+0:07
40K
24.85 mi12:59:192:57:147:086:58
8:09
+0:20
25.2M
25.20 mi13:02:173:00:127:092:58
8:36
+0:27
Finish
26.22 mi13:10:113:08:067:117:54
7:45
-0:51

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

6:39 /mi

Average Pace

7:11 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:19

57% of race

Time at Steady Pace

47:58

26% of race

Time at Slower Pace

33:49

18% of race

Average Pace: 7:10 /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 mi10:23:1421:096:4821:09
6:48
#4762
10K
6.21 mi10:43:5541:506:4420:41
6:39
#4315
15K
9.32 mi11:05:331:03:286:4921:38
6:58
#5078
20K
12.43 mi11:27:021:24:576:5021:29
6:55
#5194
Half
13.11 mi11:31:421:29:376:504:40
6:50
#5218
25K
15.53 mi11:48:241:46:196:5116:42
6:53
#5135
30K
18.64 mi12:10:582:08:536:5522:34
7:16
#5288
20M
20.00 mi12:21:062:19:016:5710:08
7:27
#5360
21M
21.00 mi12:29:162:27:117:018:10
8:10
#5470
35K
21.75 mi12:34:532:32:487:025:37
7:30
#5541
23M
23.00 mi12:44:322:42:277:049:39
7:42
#5604
24M
24.00 mi12:52:212:50:167:067:49
7:49
#5708
40K
24.85 mi12:59:192:57:147:086:58
8:09
#5815
25.2M
25.20 mi13:02:173:00:127:092:58
8:36
#5857
Finish
26.22 mi13:10:113:08:067:117:54
7:45
#5966
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4762443244326325(Top 24%)5713(Top 38%)5713(Top 108%)
10K6.21 mi3.10 mi4315+4474044+3884044+3883958(Top 15%)3728(Top 25%)3728(Top 71%)
15K9.32 mi3.11 mi5078-7634714-6704714-6706325(Top 24%)5713(Top 38%)5713(Top 108%)
20K12.43 mi3.11 mi5194-1164815-1014815-1015442(Top 20%)5023(Top 33%)5023(Top 95%)
Half13.11 mi0.68 mi5218-244839-244839-245614(Top 21%)5174(Top 34%)5174(Top 98%)
25K15.53 mi2.42 mi5135+834763+764763+764884(Top 18%)4523(Top 30%)4523(Top 86%)
30K18.64 mi3.11 mi5288-1534886-1234886-1235838(Top 22%)5252(Top 35%)5252(Top 99%)
20M20.00 mi1.36 mi5360-724942-564942-566481(Top 24%)5631(Top 37%)5631(Top 107%)
21M21.00 mi1.00 mi5470-1105025-835025-838376(Top 31%)6682(Top 44%)6682(Top 126%)
35K21.75 mi0.75 mi5541-715084-595084-598534(Top 32%)6808(Top 45%)6808(Top 129%)
23M23.00 mi1.25 mi5604-635121-375121-377733(Top 29%)6258(Top 41%)6258(Top 118%)
24M24.00 mi1.00 mi5708-1045187-665187-669866(Top 37%)7312(Top 48%)7312(Top 138%)
40K24.85 mi0.85 mi5815-1075258-715258-7110971(Top 41%)7810(Top 51%)7810(Top 148%)
25.2M25.20 mi0.35 mi5857-425285-275285-2710068(Top 38%)7302(Top 48%)7302(Top 138%)
Finish26.22 mi1.02 mi5966-1095359-745359-7410277(Top 39%)7422(Top 49%)7422(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6325

Males

5713

M18-39

5713

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3958

Males

3728

M18-39

3728

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6325

Males

5713

M18-39

5713

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5442

Males

5023

M18-39

5023

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5614

Males

5174

M18-39

5174

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4884

Males

4523

M18-39

4523

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5838

Males

5252

M18-39

5252

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6481

Males

5631

M18-39

5631

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8376

Males

6682

M18-39

6682

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8534

Males

6808

M18-39

6808

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7733

Males

6258

M18-39

6258

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9866

Males

7312

M18-39

7312

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10971

Males

7810

M18-39

7810

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10068

Males

7302

M18-39

7302

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10277

Males

7422

M18-39

7422

Passing Analysis

Category:
Athletes Passed
1043
Passed By
2247
Net Change
-1204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4762
5K → 10K50558+447#4762#4315
10K → 15K15778-763#4315#5078
15K → 20K72188-116#5078#5194
20K → Half1438-24#5194#5218
Half → 25K13855+83#5218#5135
25K → 30K82235-153#5135#5288
30K → 20M43115-72#5288#5360
20M → 21M27137-110#5360#5470
21M → 35K1990-71#5470#5541
35K → 23M48111-63#5541#5604
23M → 24M24128-104#5604#5708
24M → 40K19126-107#5708#5815
40K → 25.2M951-42#5815#5857
25.2M → Finish28137-109#5857#5966
TOTALS10432247-1204
📊

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