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BOSTON MARATHON 2023

Alex O'Connell

Bib: 6020•M

IA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
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
21:18
Rank: #5180
Start → 5K
21:18 | 6:51/mi
10K· 6.21 mi
42:29
Rank: #5275 (-95)
5K → 10K
21:11 | 6:49/mi
15K· 9.32 mi
1:03:35
Rank: #5191 (+84)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:24:50
Rank: #5089 (+102)
15K → 20K
21:15 | 6:50/mi
Half· 13.11 mi
1:29:27
Rank: #5089
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:46:17
Rank: #5108 (-19)
Half → 25K
16:50 | 6:57/mi
30K· 18.64 mi
2:08:14
Rank: #4994 (+114)
25K → 30K
21:57 | 7:04/mi
20M
2:17:47
Rank: #4892 (+102)
30K → 20M
9:33 | 7:02/mi
21M
2:25:09
Rank: #4817 (+75)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:30:10
Rank: #4747 (+70)
21M → 35K
5:01 | 6:42/mi
23M
2:38:45
Rank: #4605 (+142)
35K → 23M
8:35 | 6:51/mi
24M
2:45:26
Rank: #4507 (+98)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:51:15
Rank: #4421 (+86)
24M → 40K
5:49 | 6:48/mi
25.2M
2:53:40
Rank: #4353 (+68)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
3:00:12
Rank: #4237 (+116)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:27
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:30:45
Pace6:55 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5921:186:5121:18
6:51
-
10K
6.21 mi10:46:1042:296:5021:11
6:49
-0:02
15K
9.32 mi11:07:161:03:356:4921:06
6:47
-0:02
20K
12.43 mi11:28:311:24:506:5021:15
6:50
+0:03
Half
13.11 mi11:33:081:29:276:494:37
6:46
-0:04
25K
15.53 mi11:49:581:46:176:5116:50
6:57
+0:11
30K
18.64 mi12:11:552:08:146:5321:57
7:04
+0:07
20M
20.00 mi12:21:282:17:476:539:33
7:02
-0:02
21M
21.00 mi12:28:502:25:096:557:22
7:22
+0:20
35K
21.75 mi12:33:512:30:106:545:01
6:42
-0:40
23M
23.00 mi12:42:262:38:456:548:35
6:51
+0:09
24M
24.00 mi12:49:072:45:266:546:41
6:41
-0:10
40K
24.85 mi12:54:562:51:156:535:49
6:48
+0:07
25.2M
25.20 mi12:57:212:53:406:532:25
7:00
+0:12
Finish
26.22 mi13:03:533:00:126:536:32
6:25
-0:35

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

6:25 /mi

Average Pace

6:53 /mi

Slowest Pace

7:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:53

84% of race

Time at Steady Pace

29:19

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:24:5921:186:5121:18
6:51
#5180
10K
6.21 mi10:46:1042:296:5021:11
6:49
#5275
15K
9.32 mi11:07:161:03:356:4921:06
6:47
#5191
20K
12.43 mi11:28:311:24:506:5021:15
6:50
#5089
Half
13.11 mi11:33:081:29:276:494:37
6:46
#5089
25K
15.53 mi11:49:581:46:176:5116:50
6:57
#5108
30K
18.64 mi12:11:552:08:146:5321:57
7:04
#4994
20M
20.00 mi12:21:282:17:476:539:33
7:02
#4892
21M
21.00 mi12:28:502:25:096:557:22
7:22
#4817
35K
21.75 mi12:33:512:30:106:545:01
6:42
#4747
23M
23.00 mi12:42:262:38:456:548:35
6:51
#4605
24M
24.00 mi12:49:072:45:266:546:41
6:41
#4507
40K
24.85 mi12:54:562:51:156:535:49
6:48
#4421
25.2M
25.20 mi12:57:212:53:406:532:25
7:00
#4353
Finish
26.22 mi13:03:533:00:126:536:32
6:25
#4237
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5180480348035011(Top 19%)4651(Top 31%)4651(Top 88%)
10K6.21 mi3.10 mi5275-954879-764879-765452(Top 20%)5022(Top 33%)5022(Top 95%)
15K9.32 mi3.11 mi5191+844810+694810+695011(Top 19%)4651(Top 31%)4651(Top 88%)
20K12.43 mi3.11 mi5089+1024722+884722+884799(Top 18%)4457(Top 29%)4457(Top 84%)
Half13.11 mi0.68 mi50894721+14721+14930(Top 19%)4562(Top 30%)4562(Top 86%)
25K15.53 mi2.42 mi5108-194737-164737-165222(Top 20%)4814(Top 32%)4814(Top 91%)
30K18.64 mi3.11 mi4994+1144635+1024635+1024743(Top 18%)4377(Top 29%)4377(Top 83%)
20M20.00 mi1.36 mi4892+1024542+934542+934195(Top 16%)3874(Top 26%)3874(Top 73%)
21M21.00 mi1.00 mi4817+754474+684474+683975(Top 15%)3667(Top 24%)3667(Top 69%)
35K21.75 mi0.75 mi4747+704416+584416+583616(Top 14%)3350(Top 22%)3350(Top 63%)
23M23.00 mi1.25 mi4605+1424284+1324284+1322997(Top 11%)2798(Top 18%)2798(Top 53%)
24M24.00 mi1.00 mi4507+984203+814203+813039(Top 11%)2823(Top 19%)2823(Top 53%)
40K24.85 mi0.85 mi4421+864125+784125+782866(Top 11%)2640(Top 17%)2640(Top 50%)
25.2M25.20 mi0.35 mi4353+684062+634062+631820(Top 7%)1713(Top 11%)1713(Top 32%)
Finish26.22 mi1.02 mi4237+1163958+1043958+1042080(Top 8%)1935(Top 13%)1935(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5011

Males

4651

M18-39

4651

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5452

Males

5022

M18-39

5022

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5011

Males

4651

M18-39

4651

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4799

Males

4457

M18-39

4457

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

4930

Males

4562

M18-39

4562

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5222

Males

4814

M18-39

4814

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4743

Males

4377

M18-39

4377

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4195

Males

3874

M18-39

3874

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3975

Males

3667

M18-39

3667

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3616

Males

3350

M18-39

3350

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2997

Males

2798

M18-39

2798

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3039

Males

2823

M18-39

2823

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2866

Males

2640

M18-39

2640

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1820

Males

1713

M18-39

1713

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2080

Males

1935

M18-39

1935

Passing Analysis

Category:
Athletes Passed
1642
Passed By
699
Net Change
+943
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5180
5K → 10K160255-95#5180#5275
10K → 15K15268+84#5275#5191
15K → 20K16462+102#5191#5089
20K → Half20200#5089#5089
Half → 25K103122-19#5089#5108
25K → 30K19076+114#5108#4994
30K → 20M12220+102#4994#4892
20M → 21M9924+75#4892#4817
21M → 35K8414+70#4817#4747
35K → 23M15210+142#4747#4605
23M → 24M1057+98#4605#4507
24M → 40K9913+86#4507#4421
40K → 25.2M691+68#4421#4353
25.2M → Finish1237+116#4353#4237
TOTALS1642699+943
📊

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