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BOSTON MARATHON 2023

Erin Braich

Bib: 2644•M

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 27%
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
19:55
Rank: #1861
Start → 5K
19:55 | 6:25/mi
10K· 6.21 mi
39:45
Rank: #1971 (-110)
5K → 10K
19:50 | 6:23/mi
15K· 9.32 mi
59:50
Rank: #2100 (-129)
10K → 15K
20:05 | 6:28/mi
20K· 12.43 mi
1:20:11
Rank: #2206 (-106)
15K → 20K
20:21 | 6:33/mi
Half· 13.11 mi
1:24:41
Rank: #2251 (-45)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:41:03
Rank: #2438 (-187)
Half → 25K
16:22 | 6:45/mi
30K· 18.64 mi
2:02:42
Rank: #2653 (-215)
25K → 30K
21:39 | 6:58/mi
20M
2:13:22
Rank: #3056 (-403)
30K → 20M
10:40 | 7:51/mi
21M
2:21:48
Rank: #3479 (-423)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:27:07
Rank: #3578 (-99)
21M → 35K
5:19 | 7:06/mi
23M
2:36:27
Rank: #3778 (-200)
35K → 23M
9:20 | 7:27/mi
24M
2:43:44
Rank: #3939 (-161)
23M → 24M
7:17 | 7:17/mi
40K· 24.85 mi
2:50:34
Rank: #4215 (-276)
24M → 40K
6:50 | 8:00/mi
25.2M
2:53:33
Rank: #4323 (-108)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:01:08
Rank: #4449 (-126)
25.2M → Finish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:41
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:36:27
Pace7:21 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4219:556:2519:55
6:25
-
10K
6.21 mi10:40:3239:456:2419:50
6:23
-0:02
15K
9.32 mi11:00:3759:506:2520:05
6:28
+0:05
20K
12.43 mi11:20:581:20:116:2720:21
6:33
+0:05
Half
13.11 mi11:25:281:24:416:284:30
6:36
+0:03
25K
15.53 mi11:41:501:41:036:3016:22
6:45
+0:09
30K
18.64 mi12:03:292:02:426:3521:39
6:58
+0:13
20M
20.00 mi12:14:092:13:226:4010:40
7:51
+0:53
21M
21.00 mi12:22:352:21:486:458:26
8:26
+0:35
35K
21.75 mi12:27:542:27:076:465:19
7:06
-1:20
23M
23.00 mi12:37:142:36:276:489:20
7:27
+0:21
24M
24.00 mi12:44:312:43:446:497:17
7:17
-0:10
40K
24.85 mi12:51:212:50:346:526:50
8:00
+0:43
25.2M
25.20 mi12:54:202:53:336:532:59
8:39
+0:39
Finish
26.22 mi13:01:553:01:086:557:35
7:26
-1:13

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

6:23 /mi

Average Pace

6:55 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:41

47% of race

Time at Steady Pace

1:07:32

37% of race

Time at Slower Pace

28:55

16% of race

Average Pace: 6:54 /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 mi10:20:4219:556:2519:55
6:25
#1861
10K
6.21 mi10:40:3239:456:2419:50
6:23
#1971
15K
9.32 mi11:00:3759:506:2520:05
6:28
#2100
20K
12.43 mi11:20:581:20:116:2720:21
6:33
#2206
Half
13.11 mi11:25:281:24:416:284:30
6:36
#2251
25K
15.53 mi11:41:501:41:036:3016:22
6:45
#2438
30K
18.64 mi12:03:292:02:426:3521:39
6:58
#2653
20M
20.00 mi12:14:092:13:226:4010:40
7:51
#3056
21M
21.00 mi12:22:352:21:486:458:26
8:26
#3479
35K
21.75 mi12:27:542:27:076:465:19
7:06
#3578
23M
23.00 mi12:37:142:36:276:489:20
7:27
#3778
24M
24.00 mi12:44:312:43:446:497:17
7:17
#3939
40K
24.85 mi12:51:212:50:346:526:50
8:00
#4215
25.2M
25.20 mi12:54:202:53:336:532:59
8:39
#4323
Finish
26.22 mi13:01:553:01:086:557:35
7:26
#4449
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1861177617762438(Top 9%)2339(Top 15%)2339(Top 44%)
10K6.21 mi3.10 mi1971-1101888-1121888-1122173(Top 8%)2082(Top 14%)2082(Top 39%)
15K9.32 mi3.11 mi2100-1292013-1252013-1252438(Top 9%)2339(Top 15%)2339(Top 44%)
20K12.43 mi3.11 mi2206-1062112-992112-992573(Top 10%)2462(Top 16%)2462(Top 47%)
Half13.11 mi0.68 mi2251-452157-452157-453438(Top 13%)3269(Top 22%)3269(Top 62%)
25K15.53 mi2.42 mi2438-1872337-1802337-1803761(Top 14%)3541(Top 23%)3541(Top 67%)
30K18.64 mi3.11 mi2653-2152533-1962533-1964144(Top 16%)3865(Top 25%)3865(Top 73%)
20M20.00 mi1.36 mi3056-4032911-3782911-3789183(Top 34%)7287(Top 48%)7287(Top 138%)
21M21.00 mi1.00 mi3479-4233295-3843295-38410022(Top 38%)7601(Top 50%)7601(Top 144%)
35K21.75 mi0.75 mi3578-993385-903385-905892(Top 22%)5145(Top 34%)5145(Top 97%)
23M23.00 mi1.25 mi3778-2003558-1733558-1736148(Top 23%)5277(Top 35%)5277(Top 100%)
24M24.00 mi1.00 mi3939-1613691-1333691-1336217(Top 23%)5214(Top 34%)5214(Top 99%)
40K24.85 mi0.85 mi4215-2763942-2513942-2519943(Top 37%)7294(Top 48%)7294(Top 138%)
25.2M25.20 mi0.35 mi4323-1084036-944036-9410323(Top 39%)7421(Top 49%)7421(Top 140%)
Finish26.22 mi1.02 mi4449-1264144-1084144-1088037(Top 30%)6173(Top 41%)6173(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2438

Males

2339

M18-39

2339

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2173

Males

2082

M18-39

2082

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2438

Males

2339

M18-39

2339

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2573

Males

2462

M18-39

2462

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3438

Males

3269

M18-39

3269

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3761

Males

3541

M18-39

3541

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4144

Males

3865

M18-39

3865

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9183

Males

7287

M18-39

7287

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10022

Males

7601

M18-39

7601

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5892

Males

5145

M18-39

5145

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6148

Males

5277

M18-39

5277

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6217

Males

5214

M18-39

5214

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9943

Males

7294

M18-39

7294

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10323

Males

7421

M18-39

7421

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8037

Males

6173

M18-39

6173

Passing Analysis

Category:
Athletes Passed
258
Passed By
2846
Net Change
-2588
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1861
5K → 10K60170-110#1861#1971
10K → 15K31160-129#1971#2100
15K → 20K32138-106#2100#2206
20K → Half449-45#2206#2251
Half → 25K14201-187#2251#2438
25K → 30K18233-215#2438#2653
30K → 20M4407-403#2653#3056
20M → 21M2425-423#3056#3479
21M → 35K16115-99#3479#3578
35K → 23M22222-200#3578#3778
23M → 24M25186-161#3778#3939
24M → 40K11287-276#3939#4215
40K → 25.2M5113-108#4215#4323
25.2M → Finish14140-126#4323#4449
TOTALS2582846-2588
📊

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