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BOSTON MARATHON 2023

Richard Bralow

Bib: 5201•M

TX

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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 37%
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
23:34
Rank: #10375
Start → 5K
23:34 | 7:35/mi
10K· 6.21 mi
46:35
Rank: #9985 (+390)
5K → 10K
23:01 | 7:25/mi
15K· 9.32 mi
1:09:56
Rank: #10077 (-92)
10K → 15K
23:21 | 7:31/mi
20K· 12.43 mi
1:33:10
Rank: #9792 (+285)
15K → 20K
23:14 | 7:29/mi
Half· 13.11 mi
1:38:12
Rank: #9768 (+24)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:55:56
Rank: #9330 (+438)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:18:00
Rank: #8374 (+956)
25K → 30K
22:04 | 7:06/mi
20M
2:27:35
Rank: #8006 (+368)
30K → 20M
9:35 | 7:03/mi
21M
2:34:47
Rank: #7659 (+347)
20M → 21M
7:12 | 7:12/mi
35K· 21.75 mi
2:39:56
Rank: #7524 (+135)
21M → 35K
5:09 | 6:53/mi
23M
2:48:42
Rank: #7245 (+279)
35K → 23M
8:46 | 7:00/mi
24M
2:55:12
Rank: #6938 (+307)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
3:00:49
Rank: #6692 (+246)
24M → 40K
5:37 | 6:34/mi
25.2M
3:03:06
Rank: #6544 (+148)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
3:09:13
Rank: #6238 (+306)
25.2M → Finish
6:07 | 6:00/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:38:12
Pace7:29 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:31:01
Pace6:57 /mi
📊Negative Split: 7.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2123:347:3523:34
7:35
-
10K
6.21 mi11:41:2246:357:3023:01
7:25
-0:10
15K
9.32 mi12:04:431:09:567:3023:21
7:31
+0:06
20K
12.43 mi12:27:571:33:107:3023:14
7:29
-0:02
Half
13.11 mi12:32:591:38:127:295:02
7:23
-0:06
25K
15.53 mi12:50:431:55:567:2817:44
7:19
-0:04
30K
18.64 mi13:12:472:18:007:2422:04
7:06
-0:13
20M
20.00 mi13:22:222:27:357:239:35
7:03
-0:03
21M
21.00 mi13:29:342:34:477:227:12
7:12
+0:09
35K
21.75 mi13:34:432:39:567:215:09
6:53
-0:19
23M
23.00 mi13:43:292:48:427:208:46
7:00
+0:07
24M
24.00 mi13:49:592:55:127:186:30
6:30
-0:30
40K
24.85 mi13:55:363:00:497:165:37
6:34
+0:04
25.2M
25.20 mi13:57:533:03:067:162:17
6:37
+0:03
Finish
26.22 mi14:04:003:09:137:136:07
6:00
-0:37

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

6:00 /mi

Average Pace

7:13 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:31

11% of race

Time at Steady Pace

1:10:30

37% of race

Time at Slower Pace

1:38:12

52% of race

Average Pace: 7:13 /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 mi11:18:2123:347:3523:34
7:35
#10375
10K
6.21 mi11:41:2246:357:3023:01
7:25
#9985
15K
9.32 mi12:04:431:09:567:3023:21
7:31
#10077
20K
12.43 mi12:27:571:33:107:3023:14
7:29
#9792
Half
13.11 mi12:32:591:38:127:295:02
7:23
#9768
25K
15.53 mi12:50:431:55:567:2817:44
7:19
#9330
30K
18.64 mi13:12:472:18:007:2422:04
7:06
#8374
20M
20.00 mi13:22:222:27:357:239:35
7:03
#8006
21M
21.00 mi13:29:342:34:477:227:12
7:12
#7659
35K
21.75 mi13:34:432:39:567:215:09
6:53
#7524
23M
23.00 mi13:43:292:48:427:208:46
7:00
#7245
24M
24.00 mi13:49:592:55:127:186:30
6:30
#6938
40K
24.85 mi13:55:363:00:497:165:37
6:34
#6692
25.2M
25.20 mi13:57:533:03:067:162:17
6:37
#6544
Finish
26.22 mi14:04:003:09:137:136:07
6:00
#6238
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi103758334833410282(Top 39%)8288(Top 55%)8288(Top 157%)
10K6.21 mi3.10 mi9985+3908136+1988136+1989674(Top 36%)7970(Top 53%)7970(Top 151%)
15K9.32 mi3.11 mi10077-928206-708206-7010282(Top 39%)8288(Top 55%)8288(Top 157%)
20K12.43 mi3.11 mi9792+2858028+1788028+1789124(Top 34%)7567(Top 50%)7567(Top 143%)
Half13.11 mi0.68 mi9768+248017+118017+119133(Top 34%)7568(Top 50%)7568(Top 143%)
25K15.53 mi2.42 mi9330+4387741+2767741+2767353(Top 28%)6381(Top 42%)6381(Top 121%)
30K18.64 mi3.11 mi8374+9567110+6317110+6314952(Top 19%)4556(Top 30%)4556(Top 86%)
20M20.00 mi1.36 mi8006+3686861+2496861+2494361(Top 16%)4021(Top 26%)4021(Top 76%)
21M21.00 mi1.00 mi7659+3476617+2446617+2443134(Top 12%)2938(Top 19%)2938(Top 56%)
35K21.75 mi0.75 mi7524+1356520+976520+974705(Top 18%)4270(Top 28%)4270(Top 81%)
23M23.00 mi1.25 mi7245+2796318+2026318+2023821(Top 14%)3528(Top 23%)3528(Top 67%)
24M24.00 mi1.00 mi6938+3076091+2276091+2272125(Top 8%)1995(Top 13%)1995(Top 38%)
40K24.85 mi0.85 mi6692+2465904+1875904+1871826(Top 7%)1721(Top 11%)1721(Top 33%)
25.2M25.20 mi0.35 mi6544+1485790+1145790+114757(Top 3%)722(Top 5%)722(Top 14%)
Finish26.22 mi1.02 mi6238+3065564+2265564+226744(Top 3%)712(Top 5%)712(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10282

Males

8288

M18-39

8288

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9674

Males

7970

M18-39

7970

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10282

Males

8288

M18-39

8288

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9124

Males

7567

M18-39

7567

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9133

Males

7568

M18-39

7568

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7353

Males

6381

M18-39

6381

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

4952

Males

4556

M18-39

4556

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4361

Males

4021

M18-39

4021

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3134

Males

2938

M18-39

2938

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4705

Males

4270

M18-39

4270

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3821

Males

3528

M18-39

3528

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2125

Males

1995

M18-39

1995

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1826

Males

1721

M18-39

1721

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

757

Males

722

M18-39

722

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

744

Males

712

M18-39

712

Passing Analysis

Category:
Athletes Passed
4597*
Passed By
458
Net Change
+4137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10375
5K → 10K534*144+390#10375#9985
10K → 15K144234-92#9985#10077
15K → 20K343*58+285#10077#9792
20K → Half4420+24#9792#9768
Half → 25K4391+438#9768#9330
25K → 30K956*0+956#9330#8374
30K → 20M3680+368#8374#8006
20M → 21M3481+347#8006#7659
21M → 35K1350+135#7659#7524
35K → 23M2790+279#7524#7245
23M → 24M3070+307#7245#6938
24M → 40K2460+246#6938#6692
40K → 25.2M1480+148#6692#6544
25.2M → Finish3060+306#6544#6238
TOTALS4597*458+4137

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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