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BOSTON MARATHON 2023

William Brownsberger

Bib: 21503•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:30
Rank: #22080
Start → 5K
9:30/mi
29:30 split
10K· 6.21 mi
59:15
Rank: #22417 (-337)
5K → 10K
9:35/mi
29:45 split
15K· 9.32 mi
1:28:16
Rank: #22205 (+212)
10K → 15K
9:20/mi
29:01 split
20K· 12.43 mi
1:56:56
Rank: #21838 (+367)
15K → 20K
9:14/mi
28:40 split
Half· 13.11 mi
2:03:15
Rank: #21806 (+32)
20K → Half
9:16/mi
6:19 split
25K· 15.53 mi
2:25:51
Rank: #21565 (+241)
Half → 25K
9:19/mi
22:36 split
30K· 18.64 mi
2:54:41
Rank: #21079 (+486)
25K → 30K
9:17/mi
28:50 split
20M
3:07:09
Rank: #20815 (+264)
30K → 20M
9:10/mi
12:28 split
21M
3:16:40
Rank: #20560 (+255)
20M → 21M
9:31/mi
9:31 split
35K· 21.75 mi
3:23:34
Rank: #20497 (+63)
21M → 35K
9:13/mi
6:54 split
23M
3:36:23
Rank: #20491 (+6)
35K → 23M
10:14/mi
12:49 split
24M
3:50:11
Rank: #21018 (-527)
23M → 24M
13:48/mi
13:48 split
40K· 24.85 mi
4:03:34
Rank: #21608 (-590)
24M → 40K
15:39/mi
13:23 split
25.2M
4:09:03
Rank: #21757 (-149)
40K → 25.2M
15:54/mi
5:29 split
Finish· 26.22 mi
4:22:54
Rank: #22097 (-340)
25.2M → Finish
13:35/mi
13:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:15
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:19:39
Pace10:39 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4329:309:3029:30
9:30
-
10K
6.21 mi11:52:2859:159:3229:45
9:35
+0:05
15K
9.32 mi12:21:291:28:169:2829:01
9:20
-0:15
20K
12.43 mi12:50:091:56:569:2528:40
9:14
-0:06
Half
13.11 mi12:56:282:03:159:246:19
9:16
+0:02
25K
15.53 mi13:19:042:25:519:2322:36
9:19
+0:03
30K
18.64 mi13:47:542:54:419:2228:50
9:17
-0:02
20M
20.00 mi14:00:223:07:099:2112:28
9:10
-0:07
21M
21.00 mi14:09:533:16:409:229:31
9:31
+0:21
35K
21.75 mi14:16:473:23:349:226:54
9:13
-0:18
23M
23.00 mi14:29:363:36:239:2412:49
10:14
+1:01
24M
24.00 mi14:43:243:50:119:3513:48
13:48
+3:34
40K
24.85 mi14:56:474:03:349:4813:23
15:39
+1:51
25.2M
25.20 mi15:02:164:09:039:535:29
15:54
+0:15
Finish
26.22 mi15:16:074:22:5410:0213:51
13:35
-2:19

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

9:10 /mi

Average Pace

10:02 /mi

Slowest Pace

15:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:36:23

82% of race

Time at Slower Pace

46:31

18% of race

Average Pace: 10:02 /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 mi11:22:4329:309:3029:30
9:30
#22080
10K
6.21 mi11:52:2859:159:3229:45
9:35
#22417
15K
9.32 mi12:21:291:28:169:2829:01
9:20
#22205
20K
12.43 mi12:50:091:56:569:2528:40
9:14
#21838
Half
13.11 mi12:56:282:03:159:246:19
9:16
#21806
25K
15.53 mi13:19:042:25:519:2322:36
9:19
#21565
30K
18.64 mi13:47:542:54:419:2228:50
9:17
#21079
20M
20.00 mi14:00:223:07:099:2112:28
9:10
#20815
21M
21.00 mi14:09:533:16:409:229:31
9:31
#20560
35K
21.75 mi14:16:473:23:349:226:54
9:13
#20497
23M
23.00 mi14:29:363:36:239:2412:49
10:14
#20491
24M
24.00 mi14:43:243:50:119:3513:48
13:48
#21018
40K
24.85 mi14:56:474:03:349:4813:23
15:39
#21608
25.2M
25.20 mi15:02:164:09:039:535:29
15:54
#21757
Finish
26.22 mi15:16:074:22:5410:0213:51
13:35
#22097
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi22080131441314421774(Top 82%)13094(Top 86%)13094(Top 2385%)
10K6.21 mi3.10 mi22417-33713335-19113335-19122715(Top 85%)13496(Top 89%)13496(Top 2458%)
15K9.32 mi3.11 mi22205+21213246+8913246+8921774(Top 82%)13094(Top 86%)13094(Top 2385%)
20K12.43 mi3.11 mi21838+36713085+16113085+16120680(Top 78%)12614(Top 83%)12614(Top 2298%)
Half13.11 mi0.68 mi21806+3213071+1413071+1421345(Top 80%)12896(Top 85%)12896(Top 2349%)
25K15.53 mi2.42 mi21565+24112964+10712964+10720263(Top 76%)12402(Top 82%)12402(Top 2259%)
30K18.64 mi3.11 mi21079+48612729+23512729+23518528(Top 70%)11573(Top 76%)11573(Top 2108%)
20M20.00 mi1.36 mi20815+26412607+12212607+12217424(Top 65%)11001(Top 72%)11001(Top 2004%)
21M21.00 mi1.00 mi20560+25512475+13212475+13216030(Top 60%)10373(Top 68%)10373(Top 1889%)
35K21.75 mi0.75 mi20497+6312437+3812437+3818836(Top 71%)11523(Top 76%)11523(Top 2099%)
23M23.00 mi1.25 mi20491+612423+1412423+1420672(Top 78%)12322(Top 81%)12322(Top 2244%)
24M24.00 mi1.00 mi21018-52712645-22212645-22225969(Top 98%)14798(Top 98%)14798(Top 2695%)
40K24.85 mi0.85 mi21608-59012905-26012905-26026346(Top 99%)15003(Top 99%)15003(Top 2733%)
25.2M25.20 mi0.35 mi21757-14912962-5712962-5726084(Top 98%)14857(Top 98%)14857(Top 2706%)
Finish26.22 mi1.02 mi22097-34013115-15313115-15326230(Top 99%)14927(Top 98%)14927(Top 2719%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21774

Males

13094

M65-69

13094

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22715

Males

13496

M65-69

13496

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21774

Males

13094

M65-69

13094

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20680

Males

12614

M65-69

12614

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21345

Males

12896

M65-69

12896

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20263

Males

12402

M65-69

12402

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18528

Males

11573

M65-69

11573

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17424

Males

11001

M65-69

11001

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16030

Males

10373

M65-69

10373

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18836

Males

11523

M65-69

11523

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20672

Males

12322

M65-69

12322

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

25969

Males

14798

M65-69

14798

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26346

Males

15003

M65-69

15003

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26084

Males

14857

M65-69

14857

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26230

Males

14927

M65-69

14927

Passing Analysis

Category:
Athletes Passed
2232
Passed By
2249
Net Change
-17
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22080
5K → 10K108445-337#22080#22417
10K → 15K28169+212#22417#22205
15K → 20K38518+367#22205#21838
20K → Half4513+32#21838#21806
Half → 25K25211+241#21806#21565
25K → 30K4915+486#21565#21079
30K → 20M2651+264#21079#20815
20M → 21M2550+255#20815#20560
21M → 35K7512+63#20560#20497
35K → 23M6963+6#20497#20491
23M → 24M1528-527#20491#21018
24M → 40K0590-590#21018#21608
40K → 25.2M4153-149#21608#21757
25.2M → Finish1341-340#21757#22097
TOTALS22322249-17
📊

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