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BOSTON MARATHON 2023

Bob Kroupa

Bib: 18511•M

OH

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 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:07/mi
25:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
50:10
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:15:24
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:41:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:46:52
↑ 19↓ 370.5%
25K· 15.53 mi
8:25/mi
2:07:17
↑ 66↓ 880.2%
30K· 18.64 mi
8:40/mi
2:34:13
↑ 181↓ 1480.2%
20M
8:54/mi
2:46:18
↑ 64↓ 500.2%
21M
9:13/mi
2:55:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
3:01:52
↑ 17↓ 861.7%
23M
8:52/mi
3:12:58
↑ 23↓ 630.6%
24M
8:38/mi
3:21:36
↓ 821.3%
40K· 24.85 mi
8:53/mi
3:29:12
↓ 200.3%
25.2M
9:25/mi
3:32:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
3:41:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:52
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:54:17
Pace8:43 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1725:128:0725:12
8:07
-
10K
6.21 mi11:41:1550:108:0424:58
8:02
-0:05
15K
9.32 mi12:06:291:15:248:0525:14
8:07
+0:05
20K
12.43 mi12:32:201:41:158:0925:51
8:19
+0:12
Half
13.11 mi12:37:571:46:528:095:37
8:14
-0:05
25K
15.53 mi12:58:222:07:178:1220:25
8:25
+0:11
30K
18.64 mi13:25:182:34:138:1626:56
8:40
+0:15
20M
20.00 mi13:37:232:46:188:1912:05
8:54
+0:14
21M
21.00 mi13:46:362:55:318:219:13
9:13
+0:19
35K
21.75 mi13:52:573:01:528:226:21
8:29
-0:44
23M
23.00 mi14:04:033:12:588:2311:06
8:52
+0:23
24M
24.00 mi14:12:413:21:368:248:38
8:38
-0:14
40K
24.85 mi14:20:173:29:128:257:36
8:53
+0:15
25.2M
25.20 mi14:23:323:32:278:263:15
9:25
+0:32
Finish
26.22 mi14:32:143:41:098:268:42
8:32
-0:53

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

8:02 /mi

Average Pace

8:26 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:54

80% of race

Time at Steady Pace

43:15

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:26 /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 mi11:16:1725:128:0725:12
8:07
#14789
10K
6.21 mi11:41:1550:108:0424:58
8:02
#14917
15K
9.32 mi12:06:291:15:248:0525:14
8:07
#15043
20K
12.43 mi12:32:201:41:158:0925:51
8:19
#15232
Half
13.11 mi12:37:571:46:528:095:37
8:14
#15265
25K
15.53 mi12:58:222:07:178:1220:25
8:25
#15306
30K
18.64 mi13:25:182:34:138:1626:56
8:40
#15280
20M
20.00 mi13:37:232:46:188:1912:05
8:54
#15328
21M
21.00 mi13:46:362:55:318:219:13
9:13
#15256
35K
21.75 mi13:52:573:01:528:226:21
8:29
#15225
23M
23.00 mi14:04:033:12:588:2311:06
8:52
#15221
24M
24.00 mi14:12:413:21:368:248:38
8:38
#15206
40K
24.85 mi14:20:173:29:128:257:36
8:53
#15224
25.2M
25.20 mi14:23:323:32:278:263:15
9:25
#15208
Finish
26.22 mi14:32:143:41:098:268:42
8:32
#15220
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi14789102601026015299(Top 57%)10431(Top 69%)10431(Top 940%)
10K6.21 mi3.10 mi14917-12810295-3510295-3515052(Top 57%)10326(Top 68%)10326(Top 930%)
15K9.32 mi3.11 mi15043-12610332-3710332-3715299(Top 57%)10431(Top 69%)10431(Top 940%)
20K12.43 mi3.11 mi15232-18910382-5010382-5015724(Top 59%)10530(Top 69%)10530(Top 949%)
Half13.11 mi0.68 mi15265-3310392-1010392-1015972(Top 60%)10672(Top 70%)10672(Top 961%)
25K15.53 mi2.42 mi15306-4110387+510387+515704(Top 59%)10418(Top 69%)10418(Top 939%)
30K18.64 mi3.11 mi15280+2610330+5710330+5715316(Top 58%)10178(Top 67%)10178(Top 917%)
20M20.00 mi1.36 mi15328-4810327+310327+315949(Top 60%)10385(Top 68%)10385(Top 936%)
21M21.00 mi1.00 mi15256+7210270+5710270+5714544(Top 55%)9740(Top 64%)9740(Top 877%)
35K21.75 mi0.75 mi15225+3110241+2910241+2915211(Top 57%)9957(Top 66%)9957(Top 897%)
23M23.00 mi1.25 mi15221+410223+1810223+1815337(Top 58%)9953(Top 66%)9953(Top 897%)
24M24.00 mi1.00 mi15206+1510206+1710206+1715247(Top 57%)9856(Top 65%)9856(Top 888%)
40K24.85 mi0.85 mi15224-1810197+910197+915530(Top 58%)9913(Top 65%)9913(Top 893%)
25.2M25.20 mi0.35 mi15208+1610178+1910178+1914768(Top 55%)9572(Top 63%)9572(Top 862%)
Finish26.22 mi1.02 mi15220-1210166+1210166+1215613(Top 59%)9999(Top 66%)9999(Top 901%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15299

Males

10431

M60-64

10431

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15052

Males

10326

M60-64

10326

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15299

Males

10431

M60-64

10431

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15724

Males

10530

M60-64

10530

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15972

Males

10672

M60-64

10672

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15704

Males

10418

M60-64

10418

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

15316

Males

10178

M60-64

10178

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15949

Males

10385

M60-64

10385

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14544

Males

9740

M60-64

9740

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15211

Males

9957

M60-64

9957

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15337

Males

9953

M60-64

9953

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15247

Males

9856

M60-64

9856

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15530

Males

9913

M60-64

9913

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14768

Males

9572

M60-64

9572

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15613

Males

9999

M60-64

9999

Passing Analysis

Category:
Athletes Passed
1413
Passed By
1844
Net Change
-431
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14789
5K → 10K236364-128#14789#14917
10K → 15K146272-126#14917#15043
15K → 20K124313-189#15043#15232
20K → Half2457-33#15232#15265
Half → 25K121162-41#15265#15306
25K → 30K197171+26#15306#15280
30K → 20M67115-48#15280#15328
20M → 21M12048+72#15328#15256
21M → 35K5827+31#15256#15225
35K → 23M8783+4#15225#15221
23M → 24M7358+15#15221#15206
24M → 40K5270-18#15206#15224
40K → 25.2M4731+16#15224#15208
25.2M → Finish6173-12#15208#15220
TOTALS14131844-431
📊

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