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BOSTON MARATHON 2023

Kevin Birmingham

Bib: 5683•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 16%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M45-49)
#0 / 2252
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:47
Rank: #3562
Start → 5K
20:47 | 6:41/mi
10K· 6.21 mi
41:25
Rank: #3649 (-87)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:00
Rank: #3572 (+77)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:22:37
Rank: #3433 (+139)
15K → 20K
20:37 | 6:38/mi
Half· 13.11 mi
1:27:05
Rank: #3412 (+21)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:43:14
Rank: #3316 (+96)
Half → 25K
16:09 | 6:40/mi
30K· 18.64 mi
2:04:13
Rank: #3144 (+172)
25K → 30K
20:59 | 6:45/mi
20M
2:13:15
Rank: #3014 (+130)
30K → 20M
9:02 | 6:39/mi
21M
2:20:11
Rank: #2924 (+90)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:25:08
Rank: #2903 (+21)
21M → 35K
4:57 | 6:37/mi
23M
2:33:30
Rank: #2810 (+93)
35K → 23M
8:22 | 6:41/mi
24M
2:39:54
Rank: #2717 (+93)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:45:28
Rank: #2645 (+72)
24M → 40K
5:34 | 6:31/mi
25.2M
2:47:50
Rank: #2602 (+43)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:54:01
Rank: #2476 (+126)
25.2M → Finish
6:11 | 6:04/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:05
Pace6:39 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:56
Pace6:38 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2120:476:4120:47
6:41
-
10K
6.21 mi10:43:5941:256:4020:38
6:38
-0:03
15K
9.32 mi11:04:341:02:006:3920:35
6:38
0:00
20K
12.43 mi11:25:111:22:376:3920:37
6:38
0:00
Half
13.11 mi11:29:391:27:056:394:28
6:33
-0:05
25K
15.53 mi11:45:481:43:146:3916:09
6:40
+0:07
30K
18.64 mi12:06:472:04:136:4020:59
6:45
+0:05
20M
20.00 mi12:15:492:13:156:409:02
6:39
-0:06
21M
21.00 mi12:22:452:20:116:416:56
6:56
+0:17
35K
21.75 mi12:27:422:25:086:404:57
6:37
-0:19
23M
23.00 mi12:36:042:33:306:408:22
6:41
+0:04
24M
24.00 mi12:42:282:39:546:406:24
6:24
-0:17
40K
24.85 mi12:48:022:45:286:395:34
6:31
+0:07
25.2M
25.20 mi12:50:242:47:506:402:22
6:52
+0:21
Finish
26.22 mi12:56:352:54:016:396:11
6:04
-0:48

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

6:39 /mi

Slowest Pace

6:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:35

66% of race

Time at Steady Pace

59:26

34% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:23:2120:476:4120:47
6:41
#3562
10K
6.21 mi10:43:5941:256:4020:38
6:38
#3649
15K
9.32 mi11:04:341:02:006:3920:35
6:38
#3572
20K
12.43 mi11:25:111:22:376:3920:37
6:38
#3433
Half
13.11 mi11:29:391:27:056:394:28
6:33
#3412
25K
15.53 mi11:45:481:43:146:3916:09
6:40
#3316
30K
18.64 mi12:06:472:04:136:4020:59
6:45
#3144
20M
20.00 mi12:15:492:13:156:409:02
6:39
#3014
21M
21.00 mi12:22:452:20:116:416:56
6:56
#2924
35K
21.75 mi12:27:422:25:086:404:57
6:37
#2903
23M
23.00 mi12:36:042:33:306:408:22
6:41
#2810
24M
24.00 mi12:42:282:39:546:406:24
6:24
#2717
40K
24.85 mi12:48:022:45:286:395:34
6:31
#2645
25.2M
25.20 mi12:50:242:47:506:402:22
6:52
#2602
Finish
26.22 mi12:56:352:54:016:396:11
6:04
#2476
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3562335533553482(Top 13%)3296(Top 22%)3296(Top 146%)
10K6.21 mi3.10 mi3649-873442-873442-873786(Top 14%)3570(Top 24%)3570(Top 159%)
15K9.32 mi3.11 mi3572+773377+653377+653482(Top 13%)3296(Top 22%)3296(Top 146%)
20K12.43 mi3.11 mi3433+1393254+1233254+1233070(Top 12%)2922(Top 19%)2922(Top 130%)
Half13.11 mi0.68 mi3412+213239+153239+153032(Top 11%)2897(Top 19%)2897(Top 129%)
25K15.53 mi2.42 mi3316+963155+843155+843053(Top 11%)2910(Top 19%)2910(Top 129%)
30K18.64 mi3.11 mi3144+1722995+1602995+1602699(Top 10%)2563(Top 17%)2563(Top 114%)
20M20.00 mi1.36 mi3014+1302872+1232872+1232071(Top 8%)1975(Top 13%)1975(Top 88%)
21M21.00 mi1.00 mi2924+902790+822790+821893(Top 7%)1799(Top 12%)1799(Top 80%)
35K21.75 mi0.75 mi2903+212767+232767+233045(Top 11%)2847(Top 19%)2847(Top 126%)
23M23.00 mi1.25 mi2810+932679+882679+882103(Top 8%)1992(Top 13%)1992(Top 88%)
24M24.00 mi1.00 mi2717+932590+892590+891687(Top 6%)1595(Top 11%)1595(Top 71%)
40K24.85 mi0.85 mi2645+722526+642526+641583(Top 6%)1493(Top 10%)1493(Top 66%)
25.2M25.20 mi0.35 mi2602+432482+442482+441351(Top 5%)1281(Top 8%)1281(Top 57%)
Finish26.22 mi1.02 mi2476+1262364+1182364+118912(Top 3%)872(Top 6%)872(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3482

Males

3296

M45-49

3296

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3786

Males

3570

M45-49

3570

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3482

Males

3296

M45-49

3296

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3070

Males

2922

M45-49

2922

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3032

Males

2897

M45-49

2897

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3053

Males

2910

M45-49

2910

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2699

Males

2563

M45-49

2563

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2071

Males

1975

M45-49

1975

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1893

Males

1799

M45-49

1799

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3045

Males

2847

M45-49

2847

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2103

Males

1992

M45-49

1992

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1687

Males

1595

M45-49

1595

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1583

Males

1493

M45-49

1493

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1351

Males

1281

M45-49

1281

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

912

Males

872

M45-49

872

Passing Analysis

Category:
Athletes Passed
1540
Passed By
454
Net Change
+1086
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3562
5K → 10K154241-87#3562#3649
10K → 15K14669+77#3649#3572
15K → 20K16223+139#3572#3433
20K → Half3110+21#3433#3412
Half → 25K12428+96#3412#3316
25K → 30K19624+172#3316#3144
30K → 20M1311+130#3144#3014
20M → 21M988+90#3014#2924
21M → 35K4221+21#2924#2903
35K → 23M10411+93#2903#2810
23M → 24M985+93#2810#2717
24M → 40K8210+72#2717#2645
40K → 25.2M452+43#2645#2602
25.2M → Finish1271+126#2602#2476
TOTALS1540454+1086
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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