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BOSTON MARATHON 2023

Hermann-Josef Belke

Bib: 20500•M

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 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:36
Rank: #15716
Start → 5K
8:14/mi
25:36 split
10K· 6.21 mi
51:08
Rank: #16016 (-300)
5K → 10K
8:13/mi
25:32 split
15K· 9.32 mi
1:17:25
Rank: #16558 (-542)
10K → 15K
8:28/mi
26:17 split
20K· 12.43 mi
1:44:54
Rank: #17197 (-639)
15K → 20K
8:51/mi
27:29 split
Half· 13.11 mi
1:50:49
Rank: #17271 (-74)
20K → Half
8:40/mi
5:55 split
25K· 15.53 mi
2:11:47
Rank: #17227 (+44)
Half → 25K
8:39/mi
20:58 split
30K· 18.64 mi
2:39:32
Rank: #17108 (+119)
25K → 30K
8:56/mi
27:45 split
20M
2:51:39
Rank: #17014 (+94)
30K → 20M
8:55/mi
12:07 split
21M
3:01:16
Rank: #16976 (+38)
20M → 21M
9:37/mi
9:37 split
35K· 21.75 mi
3:07:32
Rank: #16892 (+84)
21M → 35K
8:23/mi
6:16 split
23M
3:18:36
Rank: #16790 (+102)
35K → 23M
8:50/mi
11:04 split
24M
3:27:03
Rank: #16666 (+124)
23M → 24M
8:27/mi
8:27 split
40K· 24.85 mi
3:34:30
Rank: #16585 (+81)
24M → 40K
8:43/mi
7:27 split
25.2M
3:37:41
Rank: #16531 (+54)
40K → 25.2M
9:14/mi
3:11 split
Finish· 26.22 mi
3:46:10
Rank: #16419 (+112)
25.2M → Finish
8:19/mi
8:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:49
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:55:21
Pace8:48 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4925:368:1425:36
8:14
-
10K
6.21 mi11:43:2151:088:1425:32
8:13
-0:01
15K
9.32 mi12:09:381:17:258:1826:17
8:28
+0:15
20K
12.43 mi12:37:071:44:548:2627:29
8:51
+0:23
Half
13.11 mi12:43:021:50:498:275:55
8:40
-0:11
25K
15.53 mi13:04:002:11:478:2920:58
8:39
-0:01
30K
18.64 mi13:31:452:39:328:3327:45
8:56
+0:17
20M
20.00 mi13:43:522:51:398:3512:07
8:55
-0:01
21M
21.00 mi13:53:293:01:168:389:37
9:37
+0:42
35K
21.75 mi13:59:453:07:328:376:16
8:23
-1:14
23M
23.00 mi14:10:493:18:368:3811:04
8:50
+0:27
24M
24.00 mi14:19:163:27:038:388:27
8:27
-0:23
40K
24.85 mi14:26:433:34:308:387:27
8:43
+0:16
25.2M
25.20 mi14:29:543:37:418:383:11
9:14
+0:31
Finish
26.22 mi14:38:233:46:108:388:29
8:19
-0:55

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

8:13 /mi

Average Pace

8:38 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:22

94% of race

Time at Steady Pace

12:48

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /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 mi11:17:4925:368:1425:36
8:14
#15716
10K
6.21 mi11:43:2151:088:1425:32
8:13
#16016
15K
9.32 mi12:09:381:17:258:1826:17
8:28
#16558
20K
12.43 mi12:37:071:44:548:2627:29
8:51
#17197
Half
13.11 mi12:43:021:50:498:275:55
8:40
#17271
25K
15.53 mi13:04:002:11:478:2920:58
8:39
#17227
30K
18.64 mi13:31:452:39:328:3327:45
8:56
#17108
20M
20.00 mi13:43:522:51:398:3512:07
8:55
#17014
21M
21.00 mi13:53:293:01:168:389:37
9:37
#16976
35K
21.75 mi13:59:453:07:328:376:16
8:23
#16892
23M
23.00 mi14:10:493:18:368:3811:04
8:50
#16790
24M
24.00 mi14:19:163:27:038:388:27
8:27
#16666
40K
24.85 mi14:26:433:34:308:387:27
8:43
#16585
25.2M
25.20 mi14:29:543:37:418:383:11
9:14
#16531
Finish
26.22 mi14:38:233:46:108:388:29
8:19
#16419
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15716105951059517522(Top 66%)11272(Top 74%)11272(Top 1015%)
10K6.21 mi3.10 mi16016-30010708-11310708-11316381(Top 62%)10860(Top 72%)10860(Top 978%)
15K9.32 mi3.11 mi16558-54210901-19310901-19317522(Top 66%)11272(Top 74%)11272(Top 1015%)
20K12.43 mi3.11 mi17197-63911129-22811129-22818906(Top 71%)11849(Top 78%)11849(Top 1067%)
Half13.11 mi0.68 mi17271-7411162-3311162-3318719(Top 70%)11774(Top 78%)11774(Top 1061%)
25K15.53 mi2.42 mi17227+4411132+3011132+3017069(Top 64%)11000(Top 72%)11000(Top 991%)
30K18.64 mi3.11 mi17108+11911059+7311059+7316821(Top 63%)10839(Top 71%)10839(Top 976%)
20M20.00 mi1.36 mi17014+9411014+4511014+4516075(Top 60%)10441(Top 69%)10441(Top 941%)
21M21.00 mi1.00 mi16976+3810980+3410980+3416481(Top 62%)10558(Top 70%)10558(Top 951%)
35K21.75 mi0.75 mi16892+8410945+3510945+3514562(Top 55%)9680(Top 64%)9680(Top 872%)
23M23.00 mi1.25 mi16790+10210873+7210873+7215192(Top 57%)9893(Top 65%)9893(Top 891%)
24M24.00 mi1.00 mi16666+12410803+7010803+7014177(Top 53%)9388(Top 62%)9388(Top 846%)
40K24.85 mi0.85 mi16585+8110745+5810745+5814566(Top 55%)9491(Top 63%)9491(Top 855%)
25.2M25.20 mi0.35 mi16531+5410718+2710718+2713774(Top 52%)9142(Top 60%)9142(Top 824%)
Finish26.22 mi1.02 mi16419+11210664+5410664+5414242(Top 53%)9361(Top 62%)9361(Top 843%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17522

Males

11272

M60-64

11272

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16381

Males

10860

M60-64

10860

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17522

Males

11272

M60-64

11272

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18906

Males

11849

M60-64

11849

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18719

Males

11774

M60-64

11774

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17069

Males

11000

M60-64

11000

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16821

Males

10839

M60-64

10839

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16075

Males

10441

M60-64

10441

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16481

Males

10558

M60-64

10558

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14562

Males

9680

M60-64

9680

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15192

Males

9893

M60-64

9893

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14177

Males

9388

M60-64

9388

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14566

Males

9491

M60-64

9491

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13774

Males

9142

M60-64

9142

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14242

Males

9361

M60-64

9361

Passing Analysis

Category:
Athletes Passed
1541
Passed By
2244
Net Change
-703
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15716
5K → 10K167467-300#15716#16016
10K → 15K63605-542#16016#16558
15K → 20K46685-639#16558#17197
20K → Half983-74#17197#17271
Half → 25K14096+44#17271#17227
25K → 30K229110+119#17227#17108
30K → 20M12733+94#17108#17014
20M → 21M10062+38#17014#16976
21M → 35K939+84#16976#16892
35K → 23M13735+102#16892#16790
23M → 24M13713+124#16790#16666
24M → 40K10423+81#16666#16585
40K → 25.2M617+54#16585#16531
25.2M → Finish12816+112#16531#16419
TOTALS15412244-703
📊

Passing Visuals

Category:
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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