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BOSTON MARATHON 2023

Marcel Bilt

Bib: 850•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:27
Rank: #21068
Start → 5K
28:27 | 9:09/mi
10K· 6.21 mi
57:59
Rank: #21828 (-760)
5K → 10K
29:32 | 9:30/mi
15K· 9.32 mi
1:27:59
Rank: #22113 (-285)
10K → 15K
30:00 | 9:39/mi
20K· 12.43 mi
1:58:23
Rank: #22196 (-83)
15K → 20K
30:24 | 9:47/mi
Half· 13.11 mi
2:05:08
Rank: #22234 (-38)
20K → Half
6:45 | 9:54/mi
25K· 15.53 mi
2:28:08
Rank: #21993 (+241)
Half → 25K
23:00 | 9:29/mi
30K· 18.64 mi
2:57:11
Rank: #21496 (+497)
25K → 30K
29:03 | 9:21/mi
20M
3:10:28
Rank: #21354 (+142)
30K → 20M
13:17 | 9:46/mi
21M
3:20:39
Rank: #21211 (+143)
20M → 21M
10:11 | 10:11/mi
35K· 21.75 mi
3:27:40
Rank: #21131 (+80)
21M → 35K
7:01 | 9:23/mi
23M
3:39:47
Rank: #20987 (+144)
35K → 23M
12:07 | 9:41/mi
24M
3:49:31
Rank: #20926 (+61)
23M → 24M
9:44 | 9:44/mi
40K· 24.85 mi
3:58:01
Rank: #20865 (+61)
24M → 40K
8:30 | 9:56/mi
25.2M
4:01:44
Rank: #20847 (+18)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
4:11:56
Rank: #20864 (-17)
25.2M → Finish
10:12 | 10:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:08
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:06:48
Pace9:40 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0128:279:0928:27
9:09
-
10K
6.21 mi11:49:3357:599:2029:32
9:30
+0:21
15K
9.32 mi12:19:331:27:599:2630:00
9:39
+0:09
20K
12.43 mi12:49:571:58:239:3230:24
9:47
+0:08
Half
13.11 mi12:56:422:05:089:336:45
9:54
+0:07
25K
15.53 mi13:19:422:28:089:3223:00
9:29
-0:25
30K
18.64 mi13:48:452:57:119:3029:03
9:21
-0:08
20M
20.00 mi14:02:023:10:289:3113:17
9:46
+0:25
21M
21.00 mi14:12:133:20:399:3310:11
10:11
+0:25
35K
21.75 mi14:19:143:27:409:337:01
9:23
-0:48
23M
23.00 mi14:31:213:39:479:3312:07
9:41
+0:18
24M
24.00 mi14:41:053:49:319:349:44
9:44
+0:03
40K
24.85 mi14:49:353:58:019:358:30
9:56
+0:12
25.2M
25.20 mi14:53:184:01:449:363:43
10:47
+0:51
Finish
26.22 mi15:03:304:11:569:3710:12
10:01
-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

9:09 /mi

Average Pace

9:37 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:58:02

94% of race

Time at Steady Pace

13:54

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:37 /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 mi11:20:0128:279:0928:27
9:09
#21068
10K
6.21 mi11:49:3357:599:2029:32
9:30
#21828
15K
9.32 mi12:19:331:27:599:2630:00
9:39
#22113
20K
12.43 mi12:49:571:58:239:3230:24
9:47
#22196
Half
13.11 mi12:56:422:05:089:336:45
9:54
#22234
25K
15.53 mi13:19:422:28:089:3223:00
9:29
#21993
30K
18.64 mi13:48:452:57:119:3029:03
9:21
#21496
20M
20.00 mi14:02:023:10:289:3113:17
9:46
#21354
21M
21.00 mi14:12:133:20:399:3310:11
10:11
#21211
35K
21.75 mi14:19:143:27:409:337:01
9:23
#21131
23M
23.00 mi14:31:213:39:479:3312:07
9:41
#20987
24M
24.00 mi14:41:053:49:319:349:44
9:44
#20926
40K
24.85 mi14:49:353:58:019:358:30
9:56
#20865
25.2M
25.20 mi14:53:184:01:449:363:43
10:47
#20847
Finish
26.22 mi15:03:304:11:569:3710:12
10:01
#20864
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi21068126381263822677(Top 85%)13480(Top 89%)13480(Top 602%)
10K6.21 mi3.10 mi21828-76013047-40913047-40922531(Top 85%)13406(Top 88%)13406(Top 598%)
15K9.32 mi3.11 mi22113-28513193-14613193-14622677(Top 85%)13480(Top 89%)13480(Top 602%)
20K12.43 mi3.11 mi22196-8313241-4813241-4822360(Top 84%)13336(Top 88%)13336(Top 595%)
Half13.11 mi0.68 mi22234-3813259-1813259-1823054(Top 87%)13647(Top 90%)13647(Top 609%)
25K15.53 mi2.42 mi21993+24113145+11413145+11420787(Top 78%)12606(Top 83%)12606(Top 563%)
30K18.64 mi3.11 mi21496+49712919+22612919+22618828(Top 71%)11714(Top 77%)11714(Top 523%)
20M20.00 mi1.36 mi21354+14212837+8212837+8219774(Top 74%)12017(Top 79%)12017(Top 536%)
21M21.00 mi1.00 mi21211+14312758+7912758+7918653(Top 70%)11499(Top 76%)11499(Top 513%)
35K21.75 mi0.75 mi21131+8012713+4512713+4519437(Top 73%)11796(Top 78%)11796(Top 526%)
23M23.00 mi1.25 mi20987+14412634+7912634+7918995(Top 71%)11572(Top 76%)11572(Top 516%)
24M24.00 mi1.00 mi20926+6112600+3412600+3420000(Top 75%)12005(Top 79%)12005(Top 536%)
40K24.85 mi0.85 mi20865+6112566+3412566+3419810(Top 74%)11840(Top 78%)11840(Top 528%)
25.2M25.20 mi0.35 mi20847+1812551+1512551+1519893(Top 75%)11872(Top 78%)11872(Top 530%)
Finish26.22 mi1.02 mi20864-1712549+212549+221777(Top 82%)12758(Top 84%)12758(Top 569%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22677

Males

13480

M40-44

13480

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22531

Males

13406

M40-44

13406

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22677

Males

13480

M40-44

13480

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22360

Males

13336

M40-44

13336

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23054

Males

13647

M40-44

13647

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20787

Males

12606

M40-44

12606

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18828

Males

11714

M40-44

11714

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19774

Males

12017

M40-44

12017

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18653

Males

11499

M40-44

11499

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19437

Males

11796

M40-44

11796

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18995

Males

11572

M40-44

11572

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

20000

Males

12005

M40-44

12005

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19810

Males

11840

M40-44

11840

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19893

Males

11872

M40-44

11872

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21777

Males

12758

M40-44

12758

Passing Analysis

Category:
Athletes Passed
1758
Passed By
1554
Net Change
+204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21068
5K → 10K57817-760#21068#21828
10K → 15K76361-285#21828#22113
15K → 20K102185-83#22113#22196
20K → Half1250-38#22196#22234
Half → 25K25110+241#22234#21993
25K → 30K4981+497#21993#21496
30K → 20M15412+142#21496#21354
20M → 21M1529+143#21354#21211
21M → 35K888+80#21211#21131
35K → 23M1495+144#21131#20987
23M → 24M8120+61#20987#20926
24M → 40K7211+61#20926#20865
40K → 25.2M279+18#20865#20847
25.2M → Finish3956-17#20847#20864
TOTALS17581554+204
📊

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