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BOSTON MARATHON 2023

Andrew Weldon

Bib: 6759•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 33%
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
21:08
Rank: #4703
Start → 5K
21:08 | 6:48/mi
10K· 6.21 mi
41:28
Rank: #3733 (+970)
5K → 10K
20:20 | 6:33/mi
15K· 9.32 mi
1:01:54
Rank: #3491 (+242)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:22:28
Rank: #3347 (+144)
15K → 20K
20:34 | 6:37/mi
Half· 13.11 mi
1:26:57
Rank: #3336 (+11)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:43:09
Rank: #3284 (+52)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:05:19
Rank: #3637 (-353)
25K → 30K
22:10 | 7:08/mi
20M
2:15:32
Rank: #3944 (-307)
30K → 20M
10:13 | 7:31/mi
21M
2:23:52
Rank: #4324 (-380)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:29:17
Rank: #4436 (-112)
21M → 35K
5:25 | 7:14/mi
23M
2:39:05
Rank: #4702 (-266)
35K → 23M
9:48 | 7:50/mi
24M
2:46:59
Rank: #4902 (-200)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
2:54:00
Rank: #5062 (-160)
24M → 40K
7:01 | 8:12/mi
25.2M
2:57:15
Rank: #5159 (-97)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:05:47
Rank: #5425 (-266)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:57
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4721:086:4821:08
6:48
-
10K
6.21 mi10:45:0741:286:4020:20
6:33
-0:15
15K
9.32 mi11:05:331:01:546:3820:26
6:35
+0:02
20K
12.43 mi11:26:071:22:286:3820:34
6:37
+0:02
Half
13.11 mi11:30:361:26:576:384:29
6:34
-0:03
25K
15.53 mi11:46:481:43:096:3816:12
6:41
+0:07
30K
18.64 mi12:08:582:05:196:4322:10
7:08
+0:27
20M
20.00 mi12:19:112:15:326:4710:13
7:31
+0:23
21M
21.00 mi12:27:312:23:526:518:20
8:20
+0:49
35K
21.75 mi12:32:562:29:176:525:25
7:14
-1:06
23M
23.00 mi12:42:442:39:056:559:48
7:50
+0:36
24M
24.00 mi12:50:382:46:596:577:54
7:54
+0:04
40K
24.85 mi12:57:392:54:007:007:01
8:12
+0:18
25.2M
25.20 mi13:00:542:57:157:023:15
9:25
+1:13
Finish
26.22 mi13:09:263:05:477:058:32
8:22
-1:03

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

6:33 /mi

Average Pace

7:05 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:09

56% of race

Time at Steady Pace

37:48

20% of race

Time at Slower Pace

44:50

24% of race

Average Pace: 7:05 /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 mi10:24:4721:086:4821:08
6:48
#4703
10K
6.21 mi10:45:0741:286:4020:20
6:33
#3733
15K
9.32 mi11:05:331:01:546:3820:26
6:35
#3491
20K
12.43 mi11:26:071:22:286:3820:34
6:37
#3347
Half
13.11 mi11:30:361:26:576:384:29
6:34
#3336
25K
15.53 mi11:46:481:43:096:3816:12
6:41
#3284
30K
18.64 mi12:08:582:05:196:4322:10
7:08
#3637
20M
20.00 mi12:19:112:15:326:4710:13
7:31
#3944
21M
21.00 mi12:27:312:23:526:518:20
8:20
#4324
35K
21.75 mi12:32:562:29:176:525:25
7:14
#4436
23M
23.00 mi12:42:442:39:056:559:48
7:50
#4702
24M
24.00 mi12:50:382:46:596:577:54
7:54
#4902
40K
24.85 mi12:57:392:54:007:007:01
8:12
#5062
25.2M
25.20 mi13:00:542:57:157:023:15
9:25
#5159
Finish
26.22 mi13:09:263:05:477:058:32
8:22
#5425
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4703437743773122(Top 12%)2976(Top 20%)2976(Top 56%)
10K6.21 mi3.10 mi3733+9703522+8553522+8553096(Top 12%)2954(Top 19%)2954(Top 56%)
15K9.32 mi3.11 mi3491+2423305+2173305+2173122(Top 12%)2976(Top 20%)2976(Top 56%)
20K12.43 mi3.11 mi3347+1443179+1263179+1262989(Top 11%)2847(Top 19%)2847(Top 54%)
Half13.11 mi0.68 mi3336+113172+73172+73284(Top 12%)3134(Top 21%)3134(Top 59%)
25K15.53 mi2.42 mi3284+523127+453127+453251(Top 12%)3099(Top 20%)3099(Top 59%)
30K18.64 mi3.11 mi3637-3533438-3113438-3115119(Top 19%)4698(Top 31%)4698(Top 89%)
20M20.00 mi1.36 mi3944-3073712-2743712-2746866(Top 26%)5875(Top 39%)5875(Top 111%)
21M21.00 mi1.00 mi4324-3804043-3314043-3319379(Top 35%)7266(Top 48%)7266(Top 137%)
35K21.75 mi0.75 mi4436-1124137-944137-946724(Top 25%)5710(Top 38%)5710(Top 108%)
23M23.00 mi1.25 mi4702-2664372-2354372-2358567(Top 32%)6725(Top 44%)6725(Top 127%)
24M24.00 mi1.00 mi4902-2004531-1594531-15910473(Top 39%)7628(Top 50%)7628(Top 144%)
40K24.85 mi0.85 mi5062-1604657-1264657-12611348(Top 43%)7982(Top 53%)7982(Top 151%)
25.2M25.20 mi0.35 mi5159-974735-784735-7814720(Top 55%)9524(Top 63%)9524(Top 180%)
Finish26.22 mi1.02 mi5425-2664944-2094944-20914511(Top 55%)9480(Top 62%)9480(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3122

Males

2976

M18-39

2976

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3096

Males

2954

M18-39

2954

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3122

Males

2976

M18-39

2976

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2989

Males

2847

M18-39

2847

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3284

Males

3134

M18-39

3134

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3251

Males

3099

M18-39

3099

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5119

Males

4698

M18-39

4698

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6866

Males

5875

M18-39

5875

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9379

Males

7266

M18-39

7266

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6724

Males

5710

M18-39

5710

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8567

Males

6725

M18-39

6725

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10473

Males

7628

M18-39

7628

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11348

Males

7982

M18-39

7982

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14720

Males

9524

M18-39

9524

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14511

Males

9480

M18-39

9480

Passing Analysis

Category:
Athletes Passed
1663
Passed By
2385
Net Change
-722
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4703
5K → 10K98616+970#4703#3733
10K → 15K26523+242#3733#3491
15K → 20K16723+144#3491#3347
20K → Half209+11#3347#3336
Half → 25K9846+52#3336#3284
25K → 30K19372-353#3284#3637
30K → 20M16323-307#3637#3944
20M → 21M16396-380#3944#4324
21M → 35K22134-112#4324#4436
35K → 23M20286-266#4436#4702
23M → 24M11211-200#4702#4902
24M → 40K12172-160#4902#5062
40K → 25.2M4101-97#5062#5159
25.2M → Finish7273-266#5159#5425
TOTALS16632385-722
📊

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