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BOSTON MARATHON 2023

Brian Herbst

Bib: 21005•M

SC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:20
Rank: #17387
Start → 5K
26:20 | 8:29/mi
10K· 6.21 mi
52:43
Rank: #17804 (-417)
5K → 10K
26:23 | 8:30/mi
15K· 9.32 mi
1:18:36
Rank: #17410 (+394)
10K → 15K
25:53 | 8:20/mi
20K· 12.43 mi
1:44:51
Rank: #17176 (+234)
15K → 20K
26:15 | 8:27/mi
Half· 13.11 mi
1:50:33
Rank: #17155 (+21)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:10:56
Rank: #16911 (+244)
Half → 25K
20:23 | 8:24/mi
30K· 18.64 mi
2:38:27
Rank: #16771 (+140)
25K → 30K
27:31 | 8:51/mi
20M
2:50:44
Rank: #16752 (+19)
30K → 20M
12:17 | 9:02/mi
21M
3:00:19
Rank: #16722 (+30)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
3:06:43
Rank: #16676 (+46)
21M → 35K
6:24 | 8:33/mi
23M
3:18:04
Rank: #16646 (+30)
35K → 23M
11:21 | 9:04/mi
24M
3:27:11
Rank: #16698 (-52)
23M → 24M
9:07 | 9:07/mi
40K· 24.85 mi
3:34:53
Rank: #16687 (+11)
24M → 40K
7:42 | 9:00/mi
25.2M
3:38:15
Rank: #16663 (+24)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:47:25
Rank: #16727 (-64)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:33
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:56:52
Pace8:55 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3226:208:2926:20
8:29
-
10K
6.21 mi11:45:5552:438:2926:23
8:30
+0:01
15K
9.32 mi12:11:481:18:368:2625:53
8:20
-0:10
20K
12.43 mi12:38:031:44:518:2626:15
8:27
+0:07
Half
13.11 mi12:43:451:50:338:265:42
8:21
-0:06
25K
15.53 mi13:04:082:10:568:2620:23
8:24
+0:03
30K
18.64 mi13:31:392:38:278:3027:31
8:51
+0:27
20M
20.00 mi13:43:562:50:448:3212:17
9:02
+0:11
21M
21.00 mi13:53:313:00:198:359:35
9:35
+0:33
35K
21.75 mi13:59:553:06:438:356:24
8:33
-1:02
23M
23.00 mi14:11:163:18:048:3711:21
9:04
+0:31
24M
24.00 mi14:20:233:27:118:389:07
9:07
+0:03
40K
24.85 mi14:28:053:34:538:397:42
9:00
-0:07
25.2M
25.20 mi14:31:273:38:158:403:22
9:46
+0:46
Finish
26.22 mi14:40:373:47:258:419:10
9:00
-0:46

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

8:20 /mi

Average Pace

8:41 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:34:28

94% of race

Time at Steady Pace

12:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:40 /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 mi11:19:3226:208:2926:20
8:29
#17387
10K
6.21 mi11:45:5552:438:2926:23
8:30
#17804
15K
9.32 mi12:11:481:18:368:2625:53
8:20
#17410
20K
12.43 mi12:38:031:44:518:2626:15
8:27
#17176
Half
13.11 mi12:43:451:50:338:265:42
8:21
#17155
25K
15.53 mi13:04:082:10:568:2620:23
8:24
#16911
30K
18.64 mi13:31:392:38:278:3027:31
8:51
#16771
20M
20.00 mi13:43:562:50:448:3212:17
9:02
#16752
21M
21.00 mi13:53:313:00:198:359:35
9:35
#16722
35K
21.75 mi13:59:553:06:438:356:24
8:33
#16676
23M
23.00 mi14:11:163:18:048:3711:21
9:04
#16646
24M
24.00 mi14:20:233:27:118:389:07
9:07
#16698
40K
24.85 mi14:28:053:34:538:397:42
9:00
#16687
25.2M
25.20 mi14:31:273:38:158:403:22
9:46
#16663
Finish
26.22 mi14:40:373:47:258:419:10
9:00
#16727
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17387111791117916728(Top 63%)10963(Top 72%)10963(Top 988%)
10K6.21 mi3.10 mi17804-41711377-19811377-19818195(Top 68%)11580(Top 76%)11580(Top 1043%)
15K9.32 mi3.11 mi17410+39411226+15111226+15116728(Top 63%)10963(Top 72%)10963(Top 988%)
20K12.43 mi3.11 mi17176+23411126+10011126+10016528(Top 62%)10847(Top 71%)10847(Top 977%)
Half13.11 mi0.68 mi17155+2111117+911117+916793(Top 63%)10994(Top 72%)10994(Top 990%)
25K15.53 mi2.42 mi16911+24410992+12510992+12515618(Top 59%)10387(Top 68%)10387(Top 936%)
30K18.64 mi3.11 mi16771+14010915+7710915+7716415(Top 62%)10659(Top 70%)10659(Top 960%)
20M20.00 mi1.36 mi16752+1910895+2010895+2016737(Top 63%)10719(Top 71%)10719(Top 966%)
21M21.00 mi1.00 mi16722+3010871+2410871+2416337(Top 61%)10499(Top 69%)10499(Top 946%)
35K21.75 mi0.75 mi16676+4610844+2710844+2715587(Top 59%)10115(Top 67%)10115(Top 911%)
23M23.00 mi1.25 mi16646+3010807+3710807+3716366(Top 61%)10394(Top 68%)10394(Top 936%)
24M24.00 mi1.00 mi16698-5210817-1010817-1017716(Top 67%)10939(Top 72%)10939(Top 985%)
40K24.85 mi0.85 mi16687+1110795+2210795+2216144(Top 61%)10188(Top 67%)10188(Top 918%)
25.2M25.20 mi0.35 mi16663+2410776+1910776+1916337(Top 61%)10260(Top 68%)10260(Top 924%)
Finish26.22 mi1.02 mi16727-6410789-1310789-1317940(Top 67%)11036(Top 73%)11036(Top 994%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16728

Males

10963

M60-64

10963

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18195

Males

11580

M60-64

11580

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16728

Males

10963

M60-64

10963

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16528

Males

10847

M60-64

10847

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16793

Males

10994

M60-64

10994

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15618

Males

10387

M60-64

10387

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16415

Males

10659

M60-64

10659

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16737

Males

10719

M60-64

10719

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16337

Males

10499

M60-64

10499

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15587

Males

10115

M60-64

10115

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16366

Males

10394

M60-64

10394

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17716

Males

10939

M60-64

10939

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16144

Males

10188

M60-64

10188

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16337

Males

10260

M60-64

10260

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17940

Males

11036

M60-64

11036

Passing Analysis

Category:
Athletes Passed
1985
Passed By
1325
Net Change
+660
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17387
5K → 10K151568-417#17387#17804
10K → 15K45864+394#17804#17410
15K → 20K29662+234#17410#17176
20K → Half3413+21#17176#17155
Half → 25K26622+244#17155#16911
25K → 30K23494+140#16911#16771
30K → 20M9475+19#16771#16752
20M → 21M9565+30#16752#16722
21M → 35K6620+46#16722#16676
35K → 23M9767+30#16676#16646
23M → 24M49101-52#16646#16698
24M → 40K6049+11#16698#16687
40K → 25.2M4218+24#16687#16663
25.2M → Finish43107-64#16663#16727
TOTALS19851325+660
📊

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