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BOSTON MARATHON 2023

Patrick Birch

Bib: 359•M

ON

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:15
Rank: #495
Start → 5K
18:15 | 5:52/mi
10K· 6.21 mi
36:36
Rank: #536 (-41)
5K → 10K
18:21 | 5:54/mi
15K· 9.32 mi
55:01
Rank: #546 (-10)
10K → 15K
18:25 | 5:56/mi
20K· 12.43 mi
1:13:59
Rank: #577 (-31)
15K → 20K
18:58 | 6:06/mi
Half· 13.11 mi
1:18:02
Rank: #580 (-3)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:32:46
Rank: #582 (-2)
Half → 25K
14:44 | 6:05/mi
30K· 18.64 mi
1:52:41
Rank: #662 (-80)
25K → 30K
19:55 | 6:25/mi
20M
2:00:58
Rank: #641 (+21)
30K → 20M
8:17 | 6:06/mi
21M
2:07:20
Rank: #617 (+24)
20M → 21M
6:22 | 6:22/mi
35K· 21.75 mi
2:11:46
Rank: #613 (+4)
21M → 35K
4:26 | 5:56/mi
23M
2:19:19
Rank: #591 (+22)
35K → 23M
7:33 | 6:02/mi
24M
2:25:05
Rank: #555 (+36)
23M → 24M
5:46 | 5:46/mi
40K· 24.85 mi
2:30:02
Rank: #527 (+28)
24M → 40K
4:57 | 5:47/mi
25.2M
2:32:06
Rank: #511 (+16)
40K → 25.2M
2:04 | 6:00/mi
Finish· 26.22 mi
2:37:51
Rank: #479 (+32)
25.2M → Finish
5:45 | 5:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:02
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:19:49
Pace6:05 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2018:155:5218:15
5:52
-
10K
6.21 mi10:36:4136:365:5318:21
5:54
+0:02
15K
9.32 mi10:55:0655:015:5418:25
5:56
+0:02
20K
12.43 mi11:14:041:13:595:5718:58
6:06
+0:10
Half
13.11 mi11:18:071:18:025:574:03
5:56
-0:10
25K
15.53 mi11:32:511:32:465:5814:44
6:05
+0:09
30K
18.64 mi11:52:461:52:416:0319:55
6:25
+0:20
20M
20.00 mi12:01:032:00:586:038:17
6:06
-0:19
21M
21.00 mi12:07:252:07:206:046:22
6:22
+0:16
35K
21.75 mi12:11:512:11:466:044:26
5:56
-0:26
23M
23.00 mi12:19:242:19:196:037:33
6:02
+0:06
24M
24.00 mi12:25:102:25:056:035:46
5:46
-0:16
40K
24.85 mi12:30:072:30:026:024:57
5:47
+0:01
25.2M
25.20 mi12:32:112:32:066:022:04
6:00
+0:13
Finish
26.22 mi12:37:562:37:516:015:45
5:39
-0:21

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

5:39 /mi

Average Pace

6:01 /mi

Slowest Pace

6:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:34

83% of race

Time at Steady Pace

26:17

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:01 /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 mi10:18:2018:155:5218:15
5:52
#495
10K
6.21 mi10:36:4136:365:5318:21
5:54
#536
15K
9.32 mi10:55:0655:015:5418:25
5:56
#546
20K
12.43 mi11:14:041:13:595:5718:58
6:06
#577
Half
13.11 mi11:18:071:18:025:574:03
5:56
#580
25K
15.53 mi11:32:511:32:465:5814:44
6:05
#582
30K
18.64 mi11:52:461:52:416:0319:55
6:25
#662
20M
20.00 mi12:01:032:00:586:038:17
6:06
#641
21M
21.00 mi12:07:252:07:206:046:22
6:22
#617
35K
21.75 mi12:11:512:11:466:044:26
5:56
#613
23M
23.00 mi12:19:242:19:196:037:33
6:02
#591
24M
24.00 mi12:25:102:25:056:035:46
5:46
#555
40K
24.85 mi12:30:072:30:026:024:57
5:47
#527
25.2M
25.20 mi12:32:112:32:066:022:04
6:00
#511
Finish
26.22 mi12:37:562:37:516:015:45
5:39
#479
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi495458458563(Top 2%)520(Top 3%)520(Top 10%)
10K6.21 mi3.10 mi536-41494-36494-36601(Top 2%)558(Top 4%)558(Top 11%)
15K9.32 mi3.11 mi546-10504-10504-10563(Top 2%)520(Top 3%)520(Top 10%)
20K12.43 mi3.11 mi577-31534-30534-30787(Top 3%)743(Top 5%)743(Top 14%)
Half13.11 mi0.68 mi580-3538-4538-4605(Top 2%)567(Top 4%)567(Top 11%)
25K15.53 mi2.42 mi582-2541-3541-3681(Top 3%)640(Top 4%)640(Top 12%)
30K18.64 mi3.11 mi662-80621-80621-801229(Top 5%)1173(Top 8%)1173(Top 22%)
20M20.00 mi1.36 mi641+21600+21600+21473(Top 2%)439(Top 3%)439(Top 8%)
21M21.00 mi1.00 mi617+24577+23577+23435(Top 2%)402(Top 3%)402(Top 8%)
35K21.75 mi0.75 mi613+4572+5572+5547(Top 2%)509(Top 3%)509(Top 10%)
23M23.00 mi1.25 mi591+22551+21551+21340(Top 1%)314(Top 2%)314(Top 6%)
24M24.00 mi1.00 mi555+36517+34517+34220(Top 0.8%)197(Top 1%)197(Top 4%)
40K24.85 mi0.85 mi527+28490+27490+27141(Top 0.5%)127(Top 0.8%)127(Top 2%)
25.2M25.20 mi0.35 mi511+16474+16474+1675(Top 0.3%)69(Top 0.5%)69(Top 1%)
Finish26.22 mi1.02 mi479+32444+30444+30183(Top 0.7%)167(Top 1%)167(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

563

Males

520

M18-39

520

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

601

Males

558

M18-39

558

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

563

Males

520

M18-39

520

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

787

Males

743

M18-39

743

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

605

Males

567

M18-39

567

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

681

Males

640

M18-39

640

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1229

Males

1173

M18-39

1173

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

473

Males

439

M18-39

439

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

435

Males

402

M18-39

402

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

547

Males

509

M18-39

509

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

340

Males

314

M18-39

314

23M→24M

23.0 - 24.0 mi

Top 0.8%
×6stories
+12ft-82ft

Overall

220

Males

197

M18-39

197

24M→40K

24.0 - 24.9 mi

Top 0.5%
×1story
+6ft-20ft

Overall

141

Males

127

M18-39

127

40K→25.2M

24.9 - 25.2 mi

Top 0.3%
×1story
+13ft-16ft

Overall

75

Males

69

M18-39

69

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×2stories
+22ft-21ft

Overall

183

Males

167

M18-39

167

Passing Analysis

Category:
Athletes Passed
257
Passed By
241
Net Change
+16
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#495
5K → 10K1657-41#495#536
10K → 15K1222-10#536#546
15K → 20K1041-31#546#577
20K → Half58-3#577#580
Half → 25K1416-2#580#582
25K → 30K585-80#582#662
30K → 20M221+21#662#641
20M → 21M262+24#641#617
21M → 35K84+4#617#613
35K → 23M264+22#613#591
23M → 24M360+36#591#555
24M → 40K291+28#555#527
40K → 25.2M160+16#527#511
25.2M → Finish320+32#511#479
TOTALS257241+16
📊

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