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BOSTON MARATHON 2023

Michael Welch

Bib: 5716•M

DE

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M40-44)
#0 / 2241
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #4041
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
41:16
Rank: #3445 (+596)
5K → 10K
20:19 | 6:32/mi
15K· 9.32 mi
1:01:44
Rank: #3367 (+78)
10K → 15K
20:28 | 6:35/mi
20K· 12.43 mi
1:22:16
Rank: #3210 (+157)
15K → 20K
20:32 | 6:37/mi
Half· 13.11 mi
1:26:43
Rank: #3187 (+23)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:42:37
Rank: #3036 (+151)
Half → 25K
15:54 | 6:33/mi
30K· 18.64 mi
2:03:04
Rank: #2757 (+279)
25K → 30K
20:27 | 6:35/mi
20M
2:12:03
Rank: #2658 (+99)
30K → 20M
8:59 | 6:37/mi
21M
2:18:52
Rank: #2547 (+111)
20M → 21M
6:49 | 6:49/mi
35K· 21.75 mi
2:23:40
Rank: #2501 (+46)
21M → 35K
4:48 | 6:25/mi
23M
2:31:45
Rank: #2393 (+108)
35K → 23M
8:05 | 6:27/mi
24M
2:38:01
Rank: #2317 (+76)
23M → 24M
6:16 | 6:16/mi
40K· 24.85 mi
2:43:26
Rank: #2240 (+77)
24M → 40K
5:25 | 6:20/mi
25.2M
2:45:45
Rank: #2207 (+33)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:52:03
Rank: #2114 (+93)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:43
Pace6:37 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:20
Pace6:31 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3420:576:4520:57
6:45
-
10K
6.21 mi10:43:5341:166:3820:19
6:32
-0:13
15K
9.32 mi11:04:211:01:446:3720:28
6:35
+0:03
20K
12.43 mi11:24:531:22:166:3720:32
6:37
+0:02
Half
13.11 mi11:29:201:26:436:374:27
6:31
-0:06
25K
15.53 mi11:45:141:42:376:3615:54
6:33
+0:02
30K
18.64 mi12:05:412:03:046:3620:27
6:35
+0:02
20M
20.00 mi12:14:402:12:036:368:59
6:37
+0:02
21M
21.00 mi12:21:292:18:526:376:49
6:49
+0:12
35K
21.75 mi12:26:172:23:406:364:48
6:25
-0:24
23M
23.00 mi12:34:222:31:456:368:05
6:27
+0:02
24M
24.00 mi12:40:382:38:016:356:16
6:16
-0:11
40K
24.85 mi12:46:032:43:266:355:25
6:20
+0:04
25.2M
25.20 mi12:48:222:45:456:352:19
6:43
+0:23
Finish
26.22 mi12:54:402:52:036:346:18
6:11
-0:32

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

6:11 /mi

Average Pace

6:34 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:14

96% of race

Time at Steady Pace

6:49

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:23:3420:576:4520:57
6:45
#4041
10K
6.21 mi10:43:5341:166:3820:19
6:32
#3445
15K
9.32 mi11:04:211:01:446:3720:28
6:35
#3367
20K
12.43 mi11:24:531:22:166:3720:32
6:37
#3210
Half
13.11 mi11:29:201:26:436:374:27
6:31
#3187
25K
15.53 mi11:45:141:42:376:3615:54
6:33
#3036
30K
18.64 mi12:05:412:03:046:3620:27
6:35
#2757
20M
20.00 mi12:14:402:12:036:368:59
6:37
#2658
21M
21.00 mi12:21:292:18:526:376:49
6:49
#2547
35K
21.75 mi12:26:172:23:406:364:48
6:25
#2501
23M
23.00 mi12:34:222:31:456:368:05
6:27
#2393
24M
24.00 mi12:40:382:38:016:356:16
6:16
#2317
40K
24.85 mi12:46:032:43:266:355:25
6:20
#2240
25.2M
25.20 mi12:48:222:45:456:352:19
6:43
#2207
Finish
26.22 mi12:54:402:52:036:346:18
6:11
#2114
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4041378837883183(Top 12%)3029(Top 20%)3029(Top 135%)
10K6.21 mi3.10 mi3445+5963253+5353253+5353026(Top 11%)2887(Top 19%)2887(Top 129%)
15K9.32 mi3.11 mi3367+783191+623191+623183(Top 12%)3029(Top 20%)3029(Top 135%)
20K12.43 mi3.11 mi3210+1573056+1353056+1352896(Top 11%)2762(Top 18%)2762(Top 123%)
Half13.11 mi0.68 mi3187+233034+223034+222874(Top 11%)2749(Top 18%)2749(Top 123%)
25K15.53 mi2.42 mi3036+1512897+1372897+1372457(Top 9%)2349(Top 15%)2349(Top 105%)
30K18.64 mi3.11 mi2757+2792635+2622635+2621892(Top 7%)1811(Top 12%)1811(Top 81%)
20M20.00 mi1.36 mi2658+992539+962539+961911(Top 7%)1823(Top 12%)1823(Top 81%)
21M21.00 mi1.00 mi2547+1112438+1012438+1011470(Top 6%)1402(Top 9%)1402(Top 63%)
35K21.75 mi0.75 mi2501+462394+442394+442031(Top 8%)1929(Top 13%)1929(Top 86%)
23M23.00 mi1.25 mi2393+1082290+1042290+1041302(Top 5%)1233(Top 8%)1233(Top 55%)
24M24.00 mi1.00 mi2317+762218+722218+721269(Top 5%)1203(Top 8%)1203(Top 54%)
40K24.85 mi0.85 mi2240+772149+692149+691022(Top 4%)969(Top 6%)969(Top 43%)
25.2M25.20 mi0.35 mi2207+332118+312118+31965(Top 4%)921(Top 6%)921(Top 41%)
Finish26.22 mi1.02 mi2114+932027+912027+911221(Top 5%)1162(Top 8%)1162(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3183

Males

3029

M40-44

3029

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3026

Males

2887

M40-44

2887

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3183

Males

3029

M40-44

3029

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2896

Males

2762

M40-44

2762

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2874

Males

2749

M40-44

2749

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2457

Males

2349

M40-44

2349

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1892

Males

1811

M40-44

1811

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1911

Males

1823

M40-44

1823

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1470

Males

1402

M40-44

1402

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2031

Males

1929

M40-44

1929

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1302

Males

1233

M40-44

1233

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1269

Males

1203

M40-44

1203

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1022

Males

969

M40-44

969

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

965

Males

921

M40-44

921

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1221

Males

1162

M40-44

1162

Passing Analysis

Category:
Athletes Passed
2082
Passed By
155
Net Change
+1927
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4041
5K → 10K63337+596#4041#3445
10K → 15K14365+78#3445#3367
15K → 20K17922+157#3367#3210
20K → Half329+23#3210#3187
Half → 25K1587+151#3187#3036
25K → 30K2834+279#3036#2757
30K → 20M1023+99#2757#2658
20M → 21M1121+111#2658#2547
21M → 35K482+46#2547#2501
35K → 23M1091+108#2501#2393
23M → 24M771+76#2393#2317
24M → 40K792+77#2317#2240
40K → 25.2M330+33#2240#2207
25.2M → Finish941+93#2207#2114
TOTALS2082155+1927
📊

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