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BOSTON MARATHON 2023

Kevin Sherman

Bib: 18791•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
8:34/mi
26:38
↑ 97↓ 3451.5%
10K· 6.21 mi
9:15/mi
55:21
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:24:13
↑ 67↓ 78
20K· 12.43 mi
10:14/mi
1:56:02
↑ 106↓ 860.1%
Half· 13.11 mi
10:27/mi
2:03:10
↑ 19↓ 370.5%
25K· 15.53 mi
12:19/mi
2:33:01
↑ 66↓ 880.2%
30K· 18.64 mi
14:15/mi
3:17:16
↑ 181↓ 1480.2%
20M
18:28/mi
3:42:22
↑ 64↓ 500.2%
21M
15:16/mi
3:57:38
↑ 106↓ 241.6%
35K· 21.75 mi
15:26/mi
4:09:11
↑ 17↓ 861.7%
23M
15:28/mi
4:28:33
↑ 23↓ 630.6%
24M
15:06/mi
4:43:39
↓ 821.3%
40K· 24.85 mi
15:02/mi
4:56:30
↓ 200.3%
25.2M
16:00/mi
5:02:01
↑ 13↓ 160.2%
Finish· 26.22 mi
13:16/mi
5:15:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:10
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time3:12:22
Pace14:40 /mi
📊Positive Split: 56.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5526:388:3426:38
8:34
-
10K
6.21 mi11:46:3855:218:5428:43
9:15
+0:41
15K
9.32 mi12:15:301:24:139:0228:52
9:17
+0:02
20K
12.43 mi12:47:191:56:029:2031:49
10:14
+0:57
Half
13.11 mi12:54:272:03:109:247:08
10:27
+0:13
25K
15.53 mi13:24:182:33:019:5129:51
12:19
+1:52
30K
18.64 mi14:08:333:17:1610:3544:15
14:15
+1:56
20M
20.00 mi14:33:393:42:2211:0725:06
18:28
+4:13
21M
21.00 mi14:48:553:57:3811:1915:16
15:16
-3:12
35K
21.75 mi15:00:284:09:1111:2711:33
15:26
+0:10
23M
23.00 mi15:19:504:28:3311:4119:22
15:28
+0:02
24M
24.00 mi15:34:564:43:3911:4915:06
15:06
-0:22
40K
24.85 mi15:47:474:56:3011:5612:51
15:02
-0:04
25.2M
25.20 mi15:53:185:02:0111:595:31
16:00
+0:58
Finish
26.22 mi16:06:495:15:3212:0313:31
13:16
-2:44

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

8:34 /mi

Average Pace

12:03 /mi

Slowest Pace

18:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:01

48% of race

Time at Steady Pace

2:11:54

42% of race

Time at Slower Pace

30:37

10% of race

Average Pace: 12:02 /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 mi11:17:5526:388:3426:38
8:34
#18050
10K
6.21 mi11:46:3855:218:5428:43
9:15
#20245
15K
9.32 mi12:15:301:24:139:0228:52
9:17
#20730
20K
12.43 mi12:47:191:56:029:2031:49
10:14
#21634
Half
13.11 mi12:54:272:03:109:247:08
10:27
#21784
25K
15.53 mi13:24:182:33:019:5129:51
12:19
#22847
30K
18.64 mi14:08:333:17:1610:3544:15
14:15
#23964
20M
20.00 mi14:33:393:42:2211:0725:06
18:28
#24714
21M
21.00 mi14:48:553:57:3811:1915:16
15:16
#24842
35K
21.75 mi15:00:284:09:1111:2711:33
15:26
#25022
23M
23.00 mi15:19:504:28:3311:4119:22
15:28
#25192
24M
24.00 mi15:34:564:43:3911:4915:06
15:06
#25299
40K
24.85 mi15:47:474:56:3011:5612:51
15:02
#25373
25.2M
25.20 mi15:53:185:02:0111:595:31
16:00
#25393
Finish
26.22 mi16:06:495:15:3212:0313:31
13:16
#25442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18050114441144421604(Top 81%)13026(Top 86%)13026(Top 916%)
10K6.21 mi3.10 mi20245-219512336-89212336-89221754(Top 82%)13046(Top 86%)13046(Top 917%)
15K9.32 mi3.11 mi20730-48512571-23512571-23521604(Top 81%)13026(Top 86%)13026(Top 916%)
20K12.43 mi3.11 mi21634-90412986-41512986-41523364(Top 88%)13795(Top 91%)13795(Top 970%)
Half13.11 mi0.68 mi21784-15013064-7813064-7824127(Top 91%)14125(Top 93%)14125(Top 993%)
25K15.53 mi2.42 mi22847-106313546-48213546-48225391(Top 95%)14638(Top 96%)14638(Top 1029%)
30K18.64 mi3.11 mi23964-111714047-50114047-50126148(Top 98%)14959(Top 99%)14959(Top 1052%)
20M20.00 mi1.36 mi24714-75014359-31214359-31226598(Top 100%)15160(Top 100%)15160(Top 1066%)
21M21.00 mi1.00 mi24842-12814409-5014409-5025878(Top 97%)14815(Top 98%)14815(Top 1042%)
35K21.75 mi0.75 mi25022-18014473-6414473-6426477(Top 99%)15092(Top 99%)15092(Top 1061%)
23M23.00 mi1.25 mi25192-17014543-7014543-7026401(Top 99%)15049(Top 99%)15049(Top 1058%)
24M24.00 mi1.00 mi25299-10714588-4514588-4526404(Top 99%)15044(Top 99%)15044(Top 1058%)
40K24.85 mi0.85 mi25373-7414622-3414622-3426158(Top 98%)14888(Top 98%)14888(Top 1047%)
25.2M25.20 mi0.35 mi25393-2014628-614628-626110(Top 98%)14869(Top 98%)14869(Top 1046%)
Finish26.22 mi1.02 mi25442-4914645-1714645-1726099(Top 98%)14862(Top 98%)14862(Top 1045%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21604

Males

13026

M55-59

13026

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21754

Males

13046

M55-59

13046

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21604

Males

13026

M55-59

13026

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23364

Males

13795

M55-59

13795

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24127

Males

14125

M55-59

14125

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25391

Males

14638

M55-59

14638

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

26148

Males

14959

M55-59

14959

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

26598

Males

15160

M55-59

15160

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25878

Males

14815

M55-59

14815

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26477

Males

15092

M55-59

15092

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26401

Males

15049

M55-59

15049

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26404

Males

15044

M55-59

15044

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26158

Males

14888

M55-59

14888

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26110

Males

14869

M55-59

14869

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

26099

Males

14862

M55-59

14862

Passing Analysis

Category:
Athletes Passed
125
Passed By
7517
Net Change
-7392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18050
5K → 10K172212-2195#18050#20245
10K → 15K59544-485#20245#20730
15K → 20K12916-904#20730#21634
20K → Half4154-150#21634#21784
Half → 25K71070-1063#21784#22847
25K → 30K31120-1117#22847#23964
30K → 20M2752-750#23964#24714
20M → 21M4132-128#24714#24842
21M → 35K3183-180#24842#25022
35K → 23M4174-170#25022#25192
23M → 24M2109-107#25192#25299
24M → 40K478-74#25299#25373
40K → 25.2M222-20#25373#25393
25.2M → Finish251-49#25393#25442
TOTALS1257517-7392
📊

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