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BOSTON MARATHON 2023

Bill Somers

Bib: 13521•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 40%
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
7:43/mi
23:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
47:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:11:06
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:35:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:40:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:01:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:28:08
↑ 181↓ 1480.2%
20M
8:39/mi
2:39:53
↑ 64↓ 500.2%
21M
9:47/mi
2:49:40
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:55:35
↑ 17↓ 861.7%
23M
8:22/mi
3:06:04
↑ 23↓ 630.6%
24M
7:43/mi
3:13:47
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:21:13
↓ 200.3%
25.2M
9:05/mi
3:24:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:32:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:56
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:51:04
Pace8:28 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3123:577:4323:57
7:43
-
10K
6.21 mi11:15:5147:177:3723:20
7:31
-0:12
15K
9.32 mi11:39:401:11:067:3823:49
7:40
+0:09
20K
12.43 mi12:04:151:35:417:4224:35
7:55
+0:15
Half
13.11 mi12:09:301:40:567:425:15
7:42
-0:13
25K
15.53 mi12:29:342:01:007:4720:04
8:17
+0:35
30K
18.64 mi12:56:422:28:087:5727:08
8:44
+0:27
20M
20.00 mi13:08:272:39:538:0011:45
8:39
-0:05
21M
21.00 mi13:18:142:49:408:059:47
9:47
+1:08
35K
21.75 mi13:24:092:55:358:045:55
7:55
-1:52
23M
23.00 mi13:34:383:06:048:0510:29
8:22
+0:27
24M
24.00 mi13:42:213:13:478:047:43
7:43
-0:39
40K
24.85 mi13:49:473:21:138:067:26
8:42
+0:59
25.2M
25.20 mi13:52:553:24:218:073:08
9:05
+0:23
Finish
26.22 mi14:00:343:32:008:057:39
7:30
-1:35

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

7:30 /mi

Average Pace

8:05 /mi

Slowest Pace

9:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:59

15% of race

Time at Steady Pace

1:31:14

43% of race

Time at Slower Pace

1:29:47

42% of race

Average Pace: 8:05 /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 mi10:52:3123:577:4323:57
7:43
#11518
10K
6.21 mi11:15:5147:177:3723:20
7:31
#10991
15K
9.32 mi11:39:401:11:067:3823:49
7:40
#11177
20K
12.43 mi12:04:151:35:417:4224:35
7:55
#11527
Half
13.11 mi12:09:301:40:567:425:15
7:42
#11527
25K
15.53 mi12:29:342:01:007:4720:04
8:17
#12090
30K
18.64 mi12:56:422:28:087:5727:08
8:44
#12871
20M
20.00 mi13:08:272:39:538:0011:45
8:39
#13002
21M
21.00 mi13:18:142:49:408:059:47
9:47
#13289
35K
21.75 mi13:24:092:55:358:045:55
7:55
#13199
23M
23.00 mi13:34:383:06:048:0510:29
8:22
#13121
24M
24.00 mi13:42:213:13:478:047:43
7:43
#12945
40K
24.85 mi13:49:473:21:138:067:26
8:42
#12991
25.2M
25.20 mi13:52:553:24:218:073:08
9:05
#12979
Finish
26.22 mi14:00:343:32:008:057:39
7:30
#12801
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi115188903890311542(Top 43%)8875(Top 58%)8875(Top 624%)
10K6.21 mi3.10 mi10991+5278658+2458658+24510528(Top 40%)8446(Top 56%)8446(Top 594%)
15K9.32 mi3.11 mi11177-1868737-798737-7911542(Top 43%)8875(Top 58%)8875(Top 624%)
20K12.43 mi3.11 mi11527-3508872-1358872-13512713(Top 48%)9312(Top 61%)9312(Top 655%)
Half13.11 mi0.68 mi115278869+38869+311817(Top 44%)9002(Top 59%)9002(Top 633%)
25K15.53 mi2.42 mi12090-5639084-2159084-21514765(Top 55%)10060(Top 66%)10060(Top 707%)
30K18.64 mi3.11 mi12871-7819379-2959379-29515678(Top 59%)10337(Top 68%)10337(Top 727%)
20M20.00 mi1.36 mi13002-1319417-389417-3814531(Top 55%)9785(Top 64%)9785(Top 688%)
21M21.00 mi1.00 mi13289-2879526-1099526-10917164(Top 64%)10850(Top 71%)10850(Top 763%)
35K21.75 mi0.75 mi13199+909471+559471+5511440(Top 43%)8330(Top 55%)8330(Top 586%)
23M23.00 mi1.25 mi13121+789415+569415+5612381(Top 47%)8637(Top 57%)8637(Top 607%)
24M24.00 mi1.00 mi12945+1769315+1009315+1009196(Top 35%)6999(Top 46%)6999(Top 492%)
40K24.85 mi0.85 mi12991-469303+129303+1214443(Top 54%)9428(Top 62%)9428(Top 663%)
25.2M25.20 mi0.35 mi12979+129291+129291+1212958(Top 49%)8738(Top 58%)8738(Top 614%)
Finish26.22 mi1.02 mi12801+1789200+919200+918607(Top 32%)6537(Top 43%)6537(Top 460%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11542

Males

8875

M55-59

8875

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10528

Males

8446

M55-59

8446

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11542

Males

8875

M55-59

8875

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12713

Males

9312

M55-59

9312

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11817

Males

9002

M55-59

9002

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14765

Males

10060

M55-59

10060

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15678

Males

10337

M55-59

10337

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14531

Males

9785

M55-59

9785

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17164

Males

10850

M55-59

10850

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11440

Males

8330

M55-59

8330

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12381

Males

8637

M55-59

8637

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9196

Males

6999

M55-59

6999

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14443

Males

9428

M55-59

9428

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12958

Males

8738

M55-59

8738

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8607

Males

6537

M55-59

6537

Passing Analysis

Category:
Athletes Passed
1711
Passed By
2994
Net Change
-1283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11518
5K → 10K634107+527#11518#10991
10K → 15K117303-186#10991#11177
15K → 20K71421-350#11177#11527
20K → Half40400#11527#11527
Half → 25K23586-563#11527#12090
25K → 30K55836-781#12090#12871
30K → 20M62193-131#12871#13002
20M → 21M27314-287#13002#13289
21M → 35K10515+90#13289#13199
35K → 23M12951+78#13199#13121
23M → 24M1815+176#13121#12945
24M → 40K5096-46#12945#12991
40K → 25.2M3321+12#12991#12979
25.2M → Finish1846+178#12979#12801
TOTALS17112994-1283
📊

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