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BOSTON MARATHON 2023

Connor Belson

Bib: 3589•M

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:26
Rank: #1283
Start → 5K
19:26 | 6:15/mi
10K· 6.21 mi
38:18
Rank: #1120 (+163)
5K → 10K
18:52 | 6:04/mi
15K· 9.32 mi
57:11
Rank: #1047 (+73)
10K → 15K
18:53 | 6:05/mi
20K· 12.43 mi
1:16:06
Rank: #974 (+73)
15K → 20K
18:55 | 6:05/mi
Half· 13.11 mi
1:20:15
Rank: #973 (+1)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:35:05
Rank: #927 (+46)
Half → 25K
14:50 | 6:07/mi
30K· 18.64 mi
1:54:42
Rank: #905 (+22)
25K → 30K
19:37 | 6:19/mi
20M
2:03:43
Rank: #942 (-37)
30K → 20M
9:01 | 6:38/mi
21M
2:10:59
Rank: #1003 (-61)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:16:13
Rank: #1074 (-71)
21M → 35K
5:14 | 7:00/mi
23M
2:25:22
Rank: #1217 (-143)
35K → 23M
9:09 | 7:18/mi
24M
2:32:46
Rank: #1378 (-161)
23M → 24M
7:24 | 7:24/mi
40K· 24.85 mi
2:39:10
Rank: #1490 (-112)
24M → 40K
6:24 | 7:29/mi
25.2M
2:42:12
Rank: #1587 (-97)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
2:49:45
Rank: #1737 (-150)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:15
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:29:30
Pace6:50 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4219:266:1519:26
6:15
-
10K
6.21 mi10:39:3438:186:1018:52
6:04
-0:11
15K
9.32 mi10:58:2757:116:0818:53
6:05
+0:01
20K
12.43 mi11:17:221:16:066:0718:55
6:05
0:00
Half
13.11 mi11:21:311:20:156:074:09
6:05
0:00
25K
15.53 mi11:36:211:35:056:0714:50
6:07
+0:02
30K
18.64 mi11:55:581:54:426:0919:37
6:19
+0:12
20M
20.00 mi12:04:592:03:436:119:01
6:38
+0:19
21M
21.00 mi12:12:152:10:596:147:16
7:16
+0:38
35K
21.75 mi12:17:292:16:136:165:14
7:00
-0:16
23M
23.00 mi12:26:382:25:226:199:09
7:18
+0:18
24M
24.00 mi12:34:022:32:466:227:24
7:24
+0:06
40K
24.85 mi12:40:262:39:106:246:24
7:29
+0:05
25.2M
25.20 mi12:43:282:42:126:263:02
8:48
+1:19
Finish
26.22 mi12:51:012:49:456:297:33
7:25
-1:23

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

6:04 /mi

Average Pace

6:29 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:39

45% of race

Time at Steady Pace

53:18

31% of race

Time at Slower Pace

40:48

24% of race

Average Pace: 6:28 /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 mi10:20:4219:266:1519:26
6:15
#1283
10K
6.21 mi10:39:3438:186:1018:52
6:04
#1120
15K
9.32 mi10:58:2757:116:0818:53
6:05
#1047
20K
12.43 mi11:17:221:16:066:0718:55
6:05
#974
Half
13.11 mi11:21:311:20:156:074:09
6:05
#973
25K
15.53 mi11:36:211:35:056:0714:50
6:07
#927
30K
18.64 mi11:55:581:54:426:0919:37
6:19
#905
20M
20.00 mi12:04:592:03:436:119:01
6:38
#942
21M
21.00 mi12:12:152:10:596:147:16
7:16
#1003
35K
21.75 mi12:17:292:16:136:165:14
7:00
#1074
23M
23.00 mi12:26:382:25:226:199:09
7:18
#1217
24M
24.00 mi12:34:022:32:466:227:24
7:24
#1378
40K
24.85 mi12:40:262:39:106:246:24
7:29
#1490
25.2M
25.20 mi12:43:282:42:126:263:02
8:48
#1587
Finish
26.22 mi12:51:012:49:456:297:33
7:25
#1737
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi128312171217910(Top 3%)862(Top 6%)862(Top 16%)
10K6.21 mi3.10 mi1120+1631060+1571060+157995(Top 4%)945(Top 6%)945(Top 18%)
15K9.32 mi3.11 mi1047+73993+67993+67910(Top 3%)862(Top 6%)862(Top 16%)
20K12.43 mi3.11 mi974+73924+69924+69765(Top 3%)722(Top 5%)722(Top 14%)
Half13.11 mi0.68 mi973+1923+1923+1988(Top 4%)942(Top 6%)942(Top 18%)
25K15.53 mi2.42 mi927+46879+44879+44796(Top 3%)754(Top 5%)754(Top 14%)
30K18.64 mi3.11 mi905+22857+22857+22946(Top 4%)901(Top 6%)901(Top 17%)
20M20.00 mi1.36 mi942-37894-37894-371992(Top 7%)1897(Top 13%)1897(Top 36%)
21M21.00 mi1.00 mi1003-61953-59953-593410(Top 13%)3168(Top 21%)3168(Top 60%)
35K21.75 mi0.75 mi1074-711022-691022-695249(Top 20%)4677(Top 31%)4677(Top 88%)
23M23.00 mi1.25 mi1217-1431162-1401162-1405319(Top 20%)4694(Top 31%)4694(Top 89%)
24M24.00 mi1.00 mi1378-1611314-1521314-1527005(Top 26%)5701(Top 38%)5701(Top 108%)
40K24.85 mi0.85 mi1490-1121422-1081422-1086577(Top 25%)5365(Top 35%)5365(Top 102%)
25.2M25.20 mi0.35 mi1587-971517-951517-9511169(Top 42%)7833(Top 52%)7833(Top 148%)
Finish26.22 mi1.02 mi1737-1501659-1421659-1427801(Top 29%)6036(Top 40%)6036(Top 114%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

910

Males

862

M18-39

862

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

995

Males

945

M18-39

945

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

910

Males

862

M18-39

862

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

765

Males

722

M18-39

722

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

988

Males

942

M18-39

942

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

796

Males

754

M18-39

754

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

946

Males

901

M18-39

901

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1992

Males

1897

M18-39

1897

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3410

Males

3168

M18-39

3168

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5249

Males

4677

M18-39

4677

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5319

Males

4694

M18-39

4694

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7005

Males

5701

M18-39

5701

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6577

Males

5365

M18-39

5365

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11169

Males

7833

M18-39

7833

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7801

Males

6036

M18-39

6036

Passing Analysis

Category:
Athletes Passed
447
Passed By
901
Net Change
-454
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1283
5K → 10K17613+163#1283#1120
10K → 15K785+73#1120#1047
15K → 20K763+73#1047#974
20K → Half76+1#974#973
Half → 25K482+46#973#927
25K → 30K4018+22#927#905
30K → 20M542-37#905#942
20M → 21M667-61#942#1003
21M → 35K374-71#1003#1074
35K → 23M3146-143#1074#1217
23M → 24M2163-161#1217#1378
24M → 40K2114-112#1378#1490
40K → 25.2M097-97#1490#1587
25.2M → Finish1151-150#1587#1737
TOTALS447901-454
📊

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