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BOSTON MARATHON 2023

William Brinke

Bib: 25205•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:01
Rank: #23389
Start → 5K
9:59/mi
31:01 split
10K· 6.21 mi
1:02:54
Rank: #23897 (-508)
5K → 10K
10:16/mi
31:53 split
15K· 9.32 mi
1:34:22
Rank: #23849 (+48)
10K → 15K
10:08/mi
31:28 split
20K· 12.43 mi
2:06:48
Rank: #23827 (+22)
15K → 20K
10:26/mi
32:26 split
Half· 13.11 mi
2:13:54
Rank: #23825 (+2)
20K → Half
10:24/mi
7:06 split
25K· 15.53 mi
2:41:13
Rank: #23921 (-96)
Half → 25K
11:16/mi
27:19 split
30K· 18.64 mi
3:20:02
Rank: #24228 (-307)
25K → 30K
12:30/mi
38:49 split
20M
3:37:39
Rank: #24347 (-119)
30K → 20M
12:58/mi
17:37 split
21M
3:50:30
Rank: #24312 (+35)
20M → 21M
12:51/mi
12:51 split
35K· 21.75 mi
3:59:43
Rank: #24357 (-45)
21M → 35K
12:19/mi
9:13 split
23M
4:19:07
Rank: #24649 (-292)
35K → 23M
15:30/mi
19:24 split
24M
4:33:29
Rank: #24808 (-159)
23M → 24M
14:22/mi
14:22 split
40K· 24.85 mi
4:45:41
Rank: #24902 (-94)
24M → 40K
14:16/mi
12:12 split
25.2M
4:51:01
Rank: #24950 (-48)
40K → 25.2M
15:28/mi
5:20 split
Finish· 26.22 mi
5:02:53
Rank: #24953 (-3)
25.2M → Finish
11:39/mi
11:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:54
Pace10:13 /mi
2nd Half
Distance13.11 mi
Time2:48:59
Pace12:53 /mi
📊Positive Split: 26.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4331:019:5931:01
9:59
-
10K
6.21 mi12:18:361:02:5410:0731:53
10:16
+0:17
15K
9.32 mi12:50:041:34:2210:0731:28
10:08
-0:08
20K
12.43 mi13:22:302:06:4810:1232:26
10:26
+0:18
Half
13.11 mi13:29:362:13:5410:137:06
10:24
-0:02
25K
15.53 mi13:56:552:41:1310:2327:19
11:16
+0:52
30K
18.64 mi14:35:443:20:0210:4438:49
12:30
+1:14
20M
20.00 mi14:53:213:37:3910:5317:37
12:58
+0:28
21M
21.00 mi15:06:123:50:3010:5912:51
12:51
-0:07
35K
21.75 mi15:15:253:59:4311:019:13
12:19
-0:32
23M
23.00 mi15:34:494:19:0711:1619:24
15:30
+3:11
24M
24.00 mi15:49:114:33:2911:2414:22
14:22
-1:08
40K
24.85 mi16:01:234:45:4111:3012:12
14:16
-0:06
25.2M
25.20 mi16:06:434:51:0111:335:20
15:28
+1:12
Finish
26.22 mi16:18:355:02:5311:3411:52
11:39
-3:49

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

9:59 /mi

Average Pace

11:34 /mi

Slowest Pace

15:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:13

53% of race

Time at Steady Pace

1:30:22

30% of race

Time at Slower Pace

51:18

17% of race

Average Pace: 11:33 /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 mi11:46:4331:019:5931:01
9:59
#23389
10K
6.21 mi12:18:361:02:5410:0731:53
10:16
#23897
15K
9.32 mi12:50:041:34:2210:0731:28
10:08
#23849
20K
12.43 mi13:22:302:06:4810:1232:26
10:26
#23827
Half
13.11 mi13:29:362:13:5410:137:06
10:24
#23825
25K
15.53 mi13:56:552:41:1310:2327:19
11:16
#23921
30K
18.64 mi14:35:443:20:0210:4438:49
12:30
#24228
20M
20.00 mi14:53:213:37:3910:5317:37
12:58
#24347
21M
21.00 mi15:06:123:50:3010:5912:51
12:51
#24312
35K
21.75 mi15:15:253:59:4311:019:13
12:19
#24357
23M
23.00 mi15:34:494:19:0711:1619:24
15:30
#24649
24M
24.00 mi15:49:114:33:2911:2414:22
14:22
#24808
40K
24.85 mi16:01:234:45:4111:3012:12
14:16
#24902
25.2M
25.20 mi16:06:434:51:0111:335:20
15:28
#24950
Finish
26.22 mi16:18:355:02:5311:3411:52
11:39
#24953
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23389137711377123752(Top 89%)13980(Top 92%)13980(Top 681%)
10K6.21 mi3.10 mi23897-50814039-26814039-26824236(Top 91%)14195(Top 94%)14195(Top 692%)
15K9.32 mi3.11 mi23849+4814022+1714022+1723752(Top 89%)13980(Top 92%)13980(Top 681%)
20K12.43 mi3.11 mi23827+2214009+1314009+1323731(Top 89%)13948(Top 92%)13948(Top 680%)
Half13.11 mi0.68 mi23825+2140091400924030(Top 90%)14086(Top 93%)14086(Top 686%)
25K15.53 mi2.42 mi23921-9614043-3414043-3424361(Top 92%)14191(Top 94%)14191(Top 692%)
30K18.64 mi3.11 mi24228-30714145-10214145-10224991(Top 94%)14410(Top 95%)14410(Top 702%)
20M20.00 mi1.36 mi24347-11914197-5214197-5225139(Top 94%)14448(Top 95%)14448(Top 704%)
21M21.00 mi1.00 mi24312+3514173+2414173+2423909(Top 90%)13853(Top 91%)13853(Top 675%)
35K21.75 mi0.75 mi24357-4514186-1314186-1324992(Top 94%)14319(Top 94%)14319(Top 698%)
23M23.00 mi1.25 mi24649-29214312-12614312-12626409(Top 99%)15055(Top 99%)15055(Top 734%)
24M24.00 mi1.00 mi24808-15914366-5414366-5426207(Top 98%)14929(Top 98%)14929(Top 728%)
40K24.85 mi0.85 mi24902-9414401-3514401-3525830(Top 97%)14717(Top 97%)14717(Top 717%)
25.2M25.20 mi0.35 mi24950-4814422-2114422-2125917(Top 97%)14761(Top 97%)14761(Top 719%)
Finish26.22 mi1.02 mi24953-314418+414418+424867(Top 93%)14256(Top 94%)14256(Top 695%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23752

Males

13980

M50-54

13980

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24236

Males

14195

M50-54

14195

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23752

Males

13980

M50-54

13980

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23731

Males

13948

M50-54

13948

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

24030

Males

14086

M50-54

14086

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24361

Males

14191

M50-54

14191

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

24991

Males

14410

M50-54

14410

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25139

Males

14448

M50-54

14448

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23909

Males

13853

M50-54

13853

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

24992

Males

14319

M50-54

14319

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26409

Males

15055

M50-54

15055

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

26207

Males

14929

M50-54

14929

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25830

Males

14717

M50-54

14717

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25917

Males

14761

M50-54

14761

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24867

Males

14256

M50-54

14256

Passing Analysis

Category:
Athletes Passed
551
Passed By
2115
Net Change
-1564
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23389
5K → 10K55563-508#23389#23897
10K → 15K14294+48#23897#23849
15K → 20K122100+22#23849#23827
20K → Half2321+2#23827#23825
Half → 25K54150-96#23825#23921
25K → 30K35342-307#23921#24228
30K → 20M17136-119#24228#24347
20M → 21M5823+35#24347#24312
21M → 35K1358-45#24312#24357
35K → 23M2294-292#24357#24649
23M → 24M1160-159#24649#24808
24M → 40K7101-94#24808#24902
40K → 25.2M149-48#24902#24950
25.2M → Finish2124-3#24950#24953
TOTALS5512115-1564
📊

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