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BOSTON MARATHON 2023

Christopher Allday

Bib: 2121•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #3866
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
41:44
Rank: #4149 (-283)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:02:28
Rank: #4032 (+117)
10K → 15K
20:44 | 6:40/mi
20K· 12.43 mi
1:23:24
Rank: #3976 (+56)
15K → 20K
20:56 | 6:44/mi
Half· 13.11 mi
1:27:56
Rank: #3958 (+18)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:13
Rank: #3859 (+99)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:05:41
Rank: #3787 (+72)
25K → 30K
21:28 | 6:55/mi
20M
2:15:13
Rank: #3778 (+9)
30K → 20M
9:32 | 7:01/mi
21M
2:22:41
Rank: #3808 (-30)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:27:52
Rank: #3870 (-62)
21M → 35K
5:11 | 6:56/mi
23M
2:36:47
Rank: #3904 (-34)
35K → 23M
8:55 | 7:07/mi
24M
2:43:42
Rank: #3923 (-19)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:49:42
Rank: #3916 (+7)
24M → 40K
6:00 | 7:01/mi
25.2M
2:52:14
Rank: #3892 (+24)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:58:57
Rank: #3842 (+50)
25.2M → Finish
6:43 | 6:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:56
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:31:01
Pace6:57 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3720:536:4320:53
6:43
-
10K
6.21 mi10:42:2841:446:4320:51
6:43
0:00
15K
9.32 mi11:03:121:02:286:4220:44
6:40
-0:03
20K
12.43 mi11:24:081:23:246:4320:56
6:44
+0:04
Half
13.11 mi11:28:401:27:566:424:32
6:39
-0:05
25K
15.53 mi11:44:571:44:136:4316:17
6:43
+0:04
30K
18.64 mi12:06:252:05:416:4521:28
6:55
+0:12
20M
20.00 mi12:15:572:15:136:469:32
7:01
+0:06
21M
21.00 mi12:23:252:22:416:487:28
7:28
+0:27
35K
21.75 mi12:28:362:27:526:485:11
6:56
-0:32
23M
23.00 mi12:37:312:36:476:498:55
7:07
+0:11
24M
24.00 mi12:44:262:43:426:496:55
6:55
-0:12
40K
24.85 mi12:50:262:49:426:506:00
7:01
+0:06
25.2M
25.20 mi12:52:582:52:146:502:32
7:21
+0:20
Finish
26.22 mi12:59:412:58:576:506:43
6:35
-0:46

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

6:35 /mi

Average Pace

6:50 /mi

Slowest Pace

7:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:57

94% of race

Time at Steady Pace

10:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:21:3720:536:4320:53
6:43
#3866
10K
6.21 mi10:42:2841:446:4320:51
6:43
#4149
15K
9.32 mi11:03:121:02:286:4220:44
6:40
#4032
20K
12.43 mi11:24:081:23:246:4320:56
6:44
#3976
Half
13.11 mi11:28:401:27:566:424:32
6:39
#3958
25K
15.53 mi11:44:571:44:136:4316:17
6:43
#3859
30K
18.64 mi12:06:252:05:416:4521:28
6:55
#3787
20M
20.00 mi12:15:572:15:136:469:32
7:01
#3778
21M
21.00 mi12:23:252:22:416:487:28
7:28
#3808
35K
21.75 mi12:28:362:27:526:485:11
6:56
#3870
23M
23.00 mi12:37:312:36:476:498:55
7:07
#3904
24M
24.00 mi12:44:262:43:426:496:55
6:55
#3923
40K
24.85 mi12:50:262:49:426:506:00
7:01
#3916
25.2M
25.20 mi12:52:582:52:146:502:32
7:21
#3892
Finish
26.22 mi12:59:412:58:576:506:43
6:35
#3842
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3866363236323870(Top 15%)3638(Top 24%)3638(Top 69%)
10K6.21 mi3.10 mi4149-2833895-2633895-2634431(Top 17%)4142(Top 27%)4142(Top 78%)
15K9.32 mi3.11 mi4032+1173792+1033792+1033870(Top 15%)3638(Top 24%)3638(Top 69%)
20K12.43 mi3.11 mi3976+563742+503742+503870(Top 15%)3650(Top 24%)3650(Top 69%)
Half13.11 mi0.68 mi3958+183723+193723+193808(Top 14%)3592(Top 24%)3592(Top 68%)
25K15.53 mi2.42 mi3859+993641+823641+823493(Top 13%)3306(Top 22%)3306(Top 63%)
30K18.64 mi3.11 mi3787+723573+683573+683722(Top 14%)3494(Top 23%)3494(Top 66%)
20M20.00 mi1.36 mi3778+93566+73566+74104(Top 15%)3794(Top 25%)3794(Top 72%)
21M21.00 mi1.00 mi3808-303586-203586-204395(Top 17%)4009(Top 26%)4009(Top 76%)
35K21.75 mi0.75 mi3870-623641-553641-554895(Top 18%)4401(Top 29%)4401(Top 83%)
23M23.00 mi1.25 mi3904-343671-303671-304388(Top 16%)3997(Top 26%)3997(Top 76%)
24M24.00 mi1.00 mi3923-193679-83679-84247(Top 16%)3859(Top 25%)3859(Top 73%)
40K24.85 mi0.85 mi3916+73666+133666+133923(Top 15%)3526(Top 23%)3526(Top 67%)
25.2M25.20 mi0.35 mi3892+243651+153651+153165(Top 12%)2888(Top 19%)2888(Top 55%)
Finish26.22 mi1.02 mi3842+503607+443607+442947(Top 11%)2672(Top 18%)2672(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3870

Males

3638

M18-39

3638

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4431

Males

4142

M18-39

4142

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3870

Males

3638

M18-39

3638

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3870

Males

3650

M18-39

3650

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3808

Males

3592

M18-39

3592

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3493

Males

3306

M18-39

3306

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3722

Males

3494

M18-39

3494

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4104

Males

3794

M18-39

3794

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4395

Males

4009

M18-39

4009

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4895

Males

4401

M18-39

4401

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4388

Males

3997

M18-39

3997

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4247

Males

3859

M18-39

3859

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3923

Males

3526

M18-39

3526

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3165

Males

2888

M18-39

2888

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2947

Males

2672

M18-39

2672

Passing Analysis

Category:
Athletes Passed
1124
Passed By
1100
Net Change
+24
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3866
5K → 10K107390-283#3866#4149
10K → 15K18669+117#4149#4032
15K → 20K14185+56#4032#3976
20K → Half279+18#3976#3958
Half → 25K13334+99#3958#3859
25K → 30K14674+72#3859#3787
30K → 20M6253+9#3787#3778
20M → 21M5181-30#3778#3808
21M → 35K1577-62#3808#3870
35K → 23M4579-34#3870#3904
23M → 24M4766-19#3904#3923
24M → 40K4740+7#3923#3916
40K → 25.2M4218+24#3916#3892
25.2M → Finish7525+50#3892#3842
TOTALS11241100+24
📊

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