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BOSTON MARATHON 2023

Sean Fairbairn

Bib: 8422•M

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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 30%
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
21:32
Rank: #5790
Start → 5K
21:32 | 6:56/mi
10K· 6.21 mi
43:08
Rank: #6130 (-340)
5K → 10K
21:36 | 6:57/mi
15K· 9.32 mi
1:04:37
Rank: #6077 (+53)
10K → 15K
21:29 | 6:55/mi
20K· 12.43 mi
1:26:08
Rank: #5918 (+159)
15K → 20K
21:31 | 6:56/mi
Half· 13.11 mi
1:30:51
Rank: #5920 (-2)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:47:37
Rank: #5756 (+164)
Half → 25K
16:46 | 6:55/mi
30K· 18.64 mi
2:09:34
Rank: #5533 (+223)
25K → 30K
21:57 | 7:04/mi
20M
2:19:34
Rank: #5532 (+1)
30K → 20M
10:00 | 7:21/mi
21M
2:26:55
Rank: #5380 (+152)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:32:14
Rank: #5381 (-1)
21M → 35K
5:19 | 7:06/mi
23M
2:41:07
Rank: #5265 (+116)
35K → 23M
8:53 | 7:06/mi
24M
2:48:10
Rank: #5182 (+83)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:54:07
Rank: #5077 (+105)
24M → 40K
5:57 | 6:58/mi
25.2M
2:56:41
Rank: #5039 (+38)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:03:21
Rank: #4914 (+125)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:51
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:32:30
Pace7:03 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4221:326:5621:32
6:56
-
10K
6.21 mi11:08:1843:086:5621:36
6:57
+0:01
15K
9.32 mi11:29:471:04:376:5621:29
6:55
-0:02
20K
12.43 mi11:51:181:26:086:5621:31
6:56
+0:01
Half
13.11 mi11:56:011:30:516:564:43
6:55
-0:01
25K
15.53 mi12:12:471:47:376:5616:46
6:55
0:00
30K
18.64 mi12:34:442:09:346:5721:57
7:04
+0:09
20M
20.00 mi12:44:442:19:346:5910:00
7:21
+0:17
21M
21.00 mi12:52:052:26:557:007:21
7:21
0:00
35K
21.75 mi12:57:242:32:147:005:19
7:06
-0:15
23M
23.00 mi13:06:172:41:077:008:53
7:06
0:00
24M
24.00 mi13:13:202:48:107:007:03
7:03
-0:03
40K
24.85 mi13:19:172:54:077:005:57
6:58
-0:05
25.2M
25.20 mi13:21:512:56:417:012:34
7:27
+0:29
Finish
26.22 mi13:28:313:03:217:006:40
6:33
-0:54

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

7:00 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:26

89% of race

Time at Steady Pace

19:55

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:00 /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 mi10:46:4221:326:5621:32
6:56
#5790
10K
6.21 mi11:08:1843:086:5621:36
6:57
#6130
15K
9.32 mi11:29:471:04:376:5621:29
6:55
#6077
20K
12.43 mi11:51:181:26:086:5621:31
6:56
#5918
Half
13.11 mi11:56:011:30:516:564:43
6:55
#5920
25K
15.53 mi12:12:471:47:376:5616:46
6:55
#5756
30K
18.64 mi12:34:442:09:346:5721:57
7:04
#5533
20M
20.00 mi12:44:442:19:346:5910:00
7:21
#5532
21M
21.00 mi12:52:052:26:557:007:21
7:21
#5380
35K
21.75 mi12:57:242:32:147:005:19
7:06
#5381
23M
23.00 mi13:06:172:41:077:008:53
7:06
#5265
24M
24.00 mi13:13:202:48:107:007:03
7:03
#5182
40K
24.85 mi13:19:172:54:077:005:57
6:58
#5077
25.2M
25.20 mi13:21:512:56:417:012:34
7:27
#5039
Finish
26.22 mi13:28:313:03:217:006:40
6:33
#4914
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5790531453146048(Top 23%)5494(Top 36%)5494(Top 104%)
10K6.21 mi3.10 mi6130-3405585-2715585-2716484(Top 24%)5838(Top 38%)5838(Top 110%)
15K9.32 mi3.11 mi6077+535538+475538+476048(Top 23%)5494(Top 36%)5494(Top 104%)
20K12.43 mi3.11 mi5918+1595411+1275411+1275505(Top 21%)5067(Top 33%)5067(Top 96%)
Half13.11 mi0.68 mi5920-25414-35414-36017(Top 23%)5487(Top 36%)5487(Top 104%)
25K15.53 mi2.42 mi5756+1645288+1265288+1265054(Top 19%)4671(Top 31%)4671(Top 88%)
30K18.64 mi3.11 mi5533+2235089+1995089+1994753(Top 18%)4387(Top 29%)4387(Top 83%)
20M20.00 mi1.36 mi5532+15084+55084+55936(Top 22%)5236(Top 35%)5236(Top 99%)
21M21.00 mi1.00 mi5380+1524949+1354949+1353923(Top 15%)3616(Top 24%)3616(Top 68%)
35K21.75 mi0.75 mi5381-14942+74942+75899(Top 22%)5152(Top 34%)5152(Top 97%)
23M23.00 mi1.25 mi5265+1164838+1044838+1044290(Top 16%)3917(Top 26%)3917(Top 74%)
24M24.00 mi1.00 mi5182+834756+824756+824893(Top 18%)4345(Top 29%)4345(Top 82%)
40K24.85 mi0.85 mi5077+1054671+854671+853640(Top 14%)3304(Top 22%)3304(Top 63%)
25.2M25.20 mi0.35 mi5039+384634+374634+373659(Top 14%)3287(Top 22%)3287(Top 62%)
Finish26.22 mi1.02 mi4914+1254522+1124522+1122697(Top 10%)2469(Top 16%)2469(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6048

Males

5494

M18-39

5494

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6484

Males

5838

M18-39

5838

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6048

Males

5494

M18-39

5494

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5505

Males

5067

M18-39

5067

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6017

Males

5487

M18-39

5487

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5054

Males

4671

M18-39

4671

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4753

Males

4387

M18-39

4387

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5936

Males

5236

M18-39

5236

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3923

Males

3616

M18-39

3616

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5899

Males

5152

M18-39

5152

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4290

Males

3917

M18-39

3917

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4893

Males

4345

M18-39

4345

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3640

Males

3304

M18-39

3304

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3659

Males

3287

M18-39

3287

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2697

Males

2469

M18-39

2469

Passing Analysis

Category:
Athletes Passed
1608
Passed By
732
Net Change
+876
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5790
5K → 10K69409-340#5790#6130
10K → 15K15097+53#6130#6077
15K → 20K19233+159#6077#5918
20K → Half1719-2#5918#5920
Half → 25K18218+164#5920#5756
25K → 30K24522+223#5756#5533
30K → 20M5049+1#5533#5532
20M → 21M16210+152#5532#5380
21M → 35K3334-1#5380#5381
35K → 23M13014+116#5381#5265
23M → 24M10017+83#5265#5182
24M → 40K1105+105#5182#5077
40K → 25.2M402+38#5077#5039
25.2M → Finish1283+125#5039#4914
TOTALS1608732+876
📊

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