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BOSTON MARATHON 2023

Brian Sherras

VT

Bib: 18572 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 46%
Division (M65-69)
#0 / 549
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:44/mi
24:02
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:41/mi
47:53
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:42/mi
1:11:49
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:47/mi
1:36:00
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:43/mi
1:41:16
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:51/mi
2:00:17
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:02/mi
2:25:13
↑ 181↓ 1480.2%
138 ft elev
20M
8:06/mi
2:36:14
↑ 64↓ 500.2%
148 ft elev
21M
8:40/mi
2:44:54
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:48/mi
2:50:44
↑ 17↓ 861.7%
156 ft elev
23M
7:59/mi
3:00:44
↑ 23↓ 630.6%
116 ft elev
24M
7:48/mi
3:08:32
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:56/mi
3:15:19
↓ 200.3%
20 ft elev
25.2M
8:33/mi
3:18:16
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:46/mi
3:26:11
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:16
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:44:55
Pace8:00 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5824:027:4424:02
7:44
-
10K
6.21 mi11:38:4947:537:4223:51
7:41
-0:03
15K
9.32 mi12:02:451:11:497:4223:56
7:42
+0:01
20K
12.43 mi12:26:561:36:007:4324:11
7:47
+0:05
Half
13.11 mi12:32:121:41:167:435:16
7:43
-0:04
25K
15.53 mi12:51:132:00:177:4519:01
7:51
+0:08
30K
18.64 mi13:16:092:25:137:4724:56
8:02
+0:11
20M
20.00 mi13:27:102:36:147:4911:01
8:06
+0:04
21M
21.00 mi13:35:502:44:547:518:40
8:40
+0:34
35K
21.75 mi13:41:402:50:447:515:50
7:48
-0:52
23M
23.00 mi13:51:403:00:447:5110:00
7:59
+0:11
24M
24.00 mi13:59:283:08:327:517:48
7:48
-0:11
40K
24.85 mi14:06:153:15:197:516:47
7:56
+0:08
25.2M
25.20 mi14:09:123:18:167:522:57
8:33
+0:37
Finish
26.22 mi14:17:073:26:117:527:55
7:46
-0:47

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

7:41 /mi

Average Pace

7:52 /mi

Slowest Pace

8:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:34

94% of race

Time at Steady Pace

11:37

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi11:14:5824:027:4424:02
7:44
#11759
10K
6.21 mi11:38:4947:537:4223:51
7:41
#11862
15K
9.32 mi12:02:451:11:497:4223:56
7:42
#11827
20K
12.43 mi12:26:561:36:007:4324:11
7:47
#11729
Half
13.11 mi12:32:121:41:167:435:16
7:43
#11752
25K
15.53 mi12:51:132:00:177:4519:01
7:51
#11657
30K
18.64 mi13:16:092:25:137:4724:56
8:02
#11525
20M
20.00 mi13:27:102:36:147:4911:01
8:06
#11460
21M
21.00 mi13:35:502:44:547:518:40
8:40
#11445
35K
21.75 mi13:41:402:50:447:515:50
7:48
#11388
23M
23.00 mi13:51:403:00:447:5110:00
7:59
#11272
24M
24.00 mi13:59:283:08:327:517:48
7:48
#11197
40K
24.85 mi14:06:153:15:197:516:47
7:56
#11099
25.2M
25.20 mi14:09:123:18:167:522:57
8:33
#11067
Finish
26.22 mi14:17:073:26:117:527:55
7:46
#11032
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi117599015901511860(Top 45%)9018(Top 59%)9018(Top 1643%)
10K6.21 mi3.10 mi11862-1039047-329047-3212019(Top 45%)9116(Top 60%)9116(Top 1660%)
15K9.32 mi3.11 mi11827+359012+359012+3511860(Top 45%)9018(Top 59%)9018(Top 1643%)
20K12.43 mi3.11 mi11729+988955+578955+5711586(Top 44%)8837(Top 58%)8837(Top 1610%)
Half13.11 mi0.68 mi11752-238963-88963-811970(Top 45%)9047(Top 60%)9047(Top 1648%)
25K15.53 mi2.42 mi11657+958908+558908+5511430(Top 43%)8678(Top 57%)8678(Top 1581%)
30K18.64 mi3.11 mi11525+1328807+1018807+10111097(Top 42%)8390(Top 55%)8390(Top 1528%)
20M20.00 mi1.36 mi11460+658748+598748+5911053(Top 42%)8274(Top 55%)8274(Top 1507%)
21M21.00 mi1.00 mi11445+158734+148734+1411432(Top 43%)8309(Top 55%)8309(Top 1513%)
35K21.75 mi0.75 mi11388+578692+428692+4210611(Top 40%)7926(Top 52%)7926(Top 1444%)
23M23.00 mi1.25 mi11272+1168614+788614+789643(Top 36%)7316(Top 48%)7316(Top 1333%)
24M24.00 mi1.00 mi11197+758559+558559+559780(Top 37%)7286(Top 48%)7286(Top 1327%)
40K24.85 mi0.85 mi11099+988483+768483+769575(Top 36%)7122(Top 47%)7122(Top 1297%)
25.2M25.20 mi0.35 mi11067+328453+308453+309835(Top 37%)7221(Top 48%)7221(Top 1315%)
Finish26.22 mi1.02 mi11032+358405+488405+4810434(Top 39%)7518(Top 50%)7518(Top 1369%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11860

Males

9018

M65-69

9018

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12019

Males

9116

M65-69

9116

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11860

Males

9018

M65-69

9018

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11586

Males

8837

M65-69

8837

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11970

Males

9047

M65-69

9047

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11430

Males

8678

M65-69

8678

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11097

Males

8390

M65-69

8390

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11053

Males

8274

M65-69

8274

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11432

Males

8309

M65-69

8309

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10611

Males

7926

M65-69

7926

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9643

Males

7316

M65-69

7316

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9780

Males

7286

M65-69

7286

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9575

Males

7122

M65-69

7122

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9835

Males

7221

M65-69

7221

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10434

Males

7518

M65-69

7518

Passing Analysis

Category:
Athletes Passed
1932
Passed By
1205
Net Change
+727
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11759
5K → 10K255358-103#11759#11862
10K → 15K207172+35#11862#11827
15K → 20K213115+98#11827#11729
20K → Half2144-23#11729#11752
Half → 25K19095+95#11752#11657
25K → 30K237105+132#11657#11525
30K → 20M11954+65#11525#11460
20M → 21M10287+15#11460#11445
21M → 35K8528+57#11445#11388
35K → 23M15236+116#11388#11272
23M → 24M10429+75#11272#11197
24M → 40K11416+98#11197#11099
40K → 25.2M4311+32#11099#11067
25.2M → Finish9055+35#11067#11032
TOTALS19321205+727
📊

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