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BOSTON MARATHON 2023

Josh Herman

Bib: 8466•M

ND

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 44%
Masters (Masters Men)
#0 / 9891
Top 31%
Division (M45-49)
#0 / 2252
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:40
Rank: #10673
Start → 5K
23:40 | 7:37/mi
10K· 6.21 mi
47:02
Rank: #10628 (+45)
5K → 10K
23:22 | 7:31/mi
15K· 9.32 mi
1:09:59
Rank: #10131 (+497)
10K → 15K
22:57 | 7:23/mi
20K· 12.43 mi
1:33:13
Rank: #9836 (+295)
15K → 20K
23:14 | 7:29/mi
Half· 13.11 mi
1:38:19
Rank: #9829 (+7)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:56:27
Rank: #9612 (+217)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:20:11
Rank: #9312 (+300)
25K → 30K
23:44 | 7:38/mi
20M
2:30:36
Rank: #9191 (+121)
30K → 20M
10:25 | 7:40/mi
21M
2:38:31
Rank: #9015 (+176)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:43:52
Rank: #8898 (+117)
21M → 35K
5:21 | 7:09/mi
23M
2:53:04
Rank: #8656 (+242)
35K → 23M
9:12 | 7:21/mi
24M
3:00:00
Rank: #8398 (+258)
23M → 24M
6:56 | 6:56/mi
40K· 24.85 mi
3:05:57
Rank: #8171 (+227)
24M → 40K
5:57 | 6:58/mi
25.2M
3:08:33
Rank: #8071 (+100)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:15:25
Rank: #7849 (+222)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:38:19
Pace7:30 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:06
Pace7:24 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4823:407:3723:40
7:37
-
10K
6.21 mi11:12:1047:027:3423:22
7:31
-0:06
15K
9.32 mi11:35:071:09:597:3122:57
7:23
-0:08
20K
12.43 mi11:58:211:33:137:3023:14
7:29
+0:06
Half
13.11 mi12:03:271:38:197:305:06
7:29
0:00
25K
15.53 mi12:21:351:56:277:3018:08
7:29
0:00
30K
18.64 mi12:45:192:20:117:3123:44
7:38
+0:09
20M
20.00 mi12:55:442:30:367:3210:25
7:40
+0:02
21M
21.00 mi13:03:392:38:317:337:55
7:55
+0:15
35K
21.75 mi13:09:002:43:527:325:21
7:09
-0:46
23M
23.00 mi13:18:122:53:047:319:12
7:21
+0:12
24M
24.00 mi13:25:083:00:007:306:56
6:56
-0:25
40K
24.85 mi13:31:053:05:577:295:57
6:58
+0:02
25.2M
25.20 mi13:33:413:08:337:292:36
7:32
+0:34
Finish
26.22 mi13:40:333:15:257:286:52
6:44
-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

6:44 /mi

Average Pace

7:28 /mi

Slowest Pace

7:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:15

29% of race

Time at Steady Pace

2:18:10

71% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:27 /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 mi10:48:4823:407:3723:40
7:37
#10673
10K
6.21 mi11:12:1047:027:3423:22
7:31
#10628
15K
9.32 mi11:35:071:09:597:3122:57
7:23
#10131
20K
12.43 mi11:58:211:33:137:3023:14
7:29
#9836
Half
13.11 mi12:03:271:38:197:305:06
7:29
#9829
25K
15.53 mi12:21:351:56:277:3018:08
7:29
#9612
30K
18.64 mi12:45:192:20:117:3123:44
7:38
#9312
20M
20.00 mi12:55:442:30:367:3210:25
7:40
#9191
21M
21.00 mi13:03:392:38:317:337:55
7:55
#9015
35K
21.75 mi13:09:002:43:527:325:21
7:09
#8898
23M
23.00 mi13:18:122:53:047:319:12
7:21
#8656
24M
24.00 mi13:25:083:00:007:306:56
6:56
#8398
40K
24.85 mi13:31:053:05:577:295:57
6:58
#8171
25.2M
25.20 mi13:33:413:08:337:292:36
7:32
#8071
Finish
26.22 mi13:40:333:15:257:286:52
6:44
#7849
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10673848584859213(Top 35%)7674(Top 51%)7674(Top 341%)
10K6.21 mi3.10 mi10628+458477+88477+810598(Top 40%)8477(Top 56%)8477(Top 376%)
15K9.32 mi3.11 mi10131+4978239+2388239+2389213(Top 35%)7674(Top 51%)7674(Top 341%)
20K12.43 mi3.11 mi9836+2958053+1868053+1869126(Top 34%)7569(Top 50%)7569(Top 336%)
Half13.11 mi0.68 mi9829+78054-18054-19930(Top 37%)8040(Top 53%)8040(Top 357%)
25K15.53 mi2.42 mi9612+2177904+1507904+1508604(Top 32%)7207(Top 47%)7207(Top 320%)
30K18.64 mi3.11 mi9312+3007689+2157689+2158221(Top 31%)6817(Top 45%)6817(Top 303%)
20M20.00 mi1.36 mi9191+1217595+947595+947901(Top 30%)6527(Top 43%)6527(Top 290%)
21M21.00 mi1.00 mi9015+1767466+1297466+1296824(Top 26%)5758(Top 38%)5758(Top 256%)
35K21.75 mi0.75 mi8898+1177392+747392+746231(Top 23%)5403(Top 36%)5403(Top 240%)
23M23.00 mi1.25 mi8656+2427215+1777215+1775571(Top 21%)4894(Top 32%)4894(Top 217%)
24M24.00 mi1.00 mi8398+2587034+1817034+1814361(Top 16%)3953(Top 26%)3953(Top 176%)
40K24.85 mi0.85 mi8171+2276870+1646870+1643651(Top 14%)3315(Top 22%)3315(Top 147%)
25.2M25.20 mi0.35 mi8071+1006802+686802+684123(Top 15%)3665(Top 24%)3665(Top 163%)
Finish26.22 mi1.02 mi7849+2226641+1616641+1613749(Top 14%)3341(Top 22%)3341(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9213

Males

7674

M45-49

7674

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10598

Males

8477

M45-49

8477

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9213

Males

7674

M45-49

7674

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9126

Males

7569

M45-49

7569

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9930

Males

8040

M45-49

8040

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8604

Males

7207

M45-49

7207

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8221

Males

6817

M45-49

6817

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7901

Males

6527

M45-49

6527

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6824

Males

5758

M45-49

5758

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6231

Males

5403

M45-49

5403

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5571

Males

4894

M45-49

4894

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4361

Males

3953

M45-49

3953

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3651

Males

3315

M45-49

3315

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4123

Males

3665

M45-49

3665

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3749

Males

3341

M45-49

3341

Passing Analysis

Category:
Athletes Passed
3291*
Passed By
467
Net Change
+2824
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10673
5K → 10K310*265+45#10673#10628
10K → 15K53235+497#10628#10131
15K → 20K341*46+295#10131#9836
20K → Half2619+7#9836#9829
Half → 25K24225+217#9829#9612
25K → 30K338*38+300#9612#9312
30K → 20M14423+121#9312#9191
20M → 21M1848+176#9191#9015
21M → 35K1192+117#9015#8898
35K → 23M2453+242#8898#8656
23M → 24M2591+258#8656#8398
24M → 40K2270+227#8398#8171
40K → 25.2M1000+100#8171#8071
25.2M → Finish2242+222#8071#7849
TOTALS3291*467+2824

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

📊

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