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BOSTON MARATHON 2023

Thomas Sherlock

Bib: 19774•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 25%
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
8:55/mi
27:41
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
53:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:17:58
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:43:01
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:48:29
↑ 19↓ 370.5%
25K· 15.53 mi
8:25/mi
2:08:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:34:18
↑ 181↓ 1480.2%
20M
8:10/mi
2:45:24
↑ 64↓ 500.2%
21M
8:25/mi
2:53:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:59:50
↑ 17↓ 861.7%
23M
8:22/mi
3:10:19
↑ 23↓ 630.6%
24M
7:56/mi
3:18:15
↓ 821.3%
40K· 24.85 mi
8:30/mi
3:25:31
↓ 200.3%
25.2M
9:11/mi
3:28:41
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:37:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:48:29
Pace8:17 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:48:32
Pace8:17 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2527:418:5527:41
8:55
-
10K
6.21 mi11:44:4753:038:3225:22
8:10
-0:45
15K
9.32 mi12:09:421:17:588:2224:55
8:01
-0:09
20K
12.43 mi12:34:451:43:018:1725:03
8:04
+0:03
Half
13.11 mi12:40:131:48:298:175:28
8:01
-0:03
25K
15.53 mi13:00:372:08:538:1820:24
8:25
+0:24
30K
18.64 mi13:26:022:34:188:1725:25
8:11
-0:14
20M
20.00 mi13:37:082:45:248:1611:06
8:10
-0:01
21M
21.00 mi13:45:332:53:498:178:25
8:25
+0:15
35K
21.75 mi13:51:342:59:508:166:01
8:03
-0:22
23M
23.00 mi14:02:033:10:198:1610:29
8:22
+0:19
24M
24.00 mi14:09:593:18:158:167:56
7:56
-0:26
40K
24.85 mi14:17:153:25:318:167:16
8:30
+0:34
25.2M
25.20 mi14:20:253:28:418:173:10
9:11
+0:41
Finish
26.22 mi14:28:453:37:018:178:20
8:11
-1:00

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

7:56 /mi

Average Pace

8:17 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:10

86% of race

Time at Steady Pace

30:51

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi11:19:2527:418:5527:41
8:55
#20031
10K
6.21 mi11:44:4753:038:3225:22
8:10
#18120
15K
9.32 mi12:09:421:17:588:2224:55
8:01
#16942
20K
12.43 mi12:34:451:43:018:1725:03
8:04
#16177
Half
13.11 mi12:40:131:48:298:175:28
8:01
#16095
25K
15.53 mi13:00:372:08:538:1820:24
8:25
#16005
30K
18.64 mi13:26:022:34:188:1725:25
8:11
#15308
20M
20.00 mi13:37:082:45:248:1611:06
8:10
#15041
21M
21.00 mi13:45:332:53:498:178:25
8:25
#14741
35K
21.75 mi13:51:342:59:508:166:01
8:03
#14631
23M
23.00 mi14:02:033:10:198:1610:29
8:22
#14496
24M
24.00 mi14:09:593:18:158:167:56
7:56
#14316
40K
24.85 mi14:17:153:25:318:167:16
8:30
#14264
25.2M
25.20 mi14:20:253:28:418:173:10
9:11
#14241
Finish
26.22 mi14:28:453:37:018:178:20
8:11
#14197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20031121711217114529(Top 55%)10110(Top 67%)10110(Top 911%)
10K6.21 mi3.10 mi18120+191111501+67011501+67015998(Top 60%)10702(Top 71%)10702(Top 964%)
15K9.32 mi3.11 mi16942+117811049+45211049+45214529(Top 55%)10110(Top 67%)10110(Top 911%)
20K12.43 mi3.11 mi16177+76510748+30110748+30113939(Top 52%)9852(Top 65%)9852(Top 888%)
Half13.11 mi0.68 mi16095+8210703+4510703+4514430(Top 54%)10069(Top 66%)10069(Top 907%)
25K15.53 mi2.42 mi16005+9010642+6110642+6115655(Top 59%)10393(Top 68%)10393(Top 936%)
30K18.64 mi3.11 mi15308+69710341+30110341+30112194(Top 46%)8886(Top 59%)8886(Top 801%)
20M20.00 mi1.36 mi15041+26710222+11910222+11911465(Top 43%)8477(Top 56%)8477(Top 764%)
21M21.00 mi1.00 mi14741+30010087+13510087+1359965(Top 37%)7594(Top 50%)7594(Top 684%)
35K21.75 mi0.75 mi14631+11010029+5810029+5812417(Top 47%)8751(Top 58%)8751(Top 788%)
23M23.00 mi1.25 mi14496+1359955+749955+7412391(Top 47%)8647(Top 57%)8647(Top 779%)
24M24.00 mi1.00 mi14316+1809862+939862+9310774(Top 40%)7797(Top 51%)7797(Top 702%)
40K24.85 mi0.85 mi14264+529815+479815+4713309(Top 50%)8927(Top 59%)8927(Top 804%)
25.2M25.20 mi0.35 mi14241+239792+239792+2313508(Top 51%)9001(Top 59%)9001(Top 811%)
Finish26.22 mi1.02 mi14197+449757+359757+3513266(Top 50%)8911(Top 59%)8911(Top 803%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14529

Males

10110

M60-64

10110

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15998

Males

10702

M60-64

10702

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14529

Males

10110

M60-64

10110

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13939

Males

9852

M60-64

9852

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14430

Males

10069

M60-64

10069

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15655

Males

10393

M60-64

10393

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12194

Males

8886

M60-64

8886

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11465

Males

8477

M60-64

8477

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9965

Males

7594

M60-64

7594

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12417

Males

8751

M60-64

8751

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12391

Males

8647

M60-64

8647

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10774

Males

7797

M60-64

7797

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13309

Males

8927

M60-64

8927

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13508

Males

9001

M60-64

9001

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13266

Males

8911

M60-64

8911

Passing Analysis

Category:
Athletes Passed
6086
Passed By
252
Net Change
+5834
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20031
5K → 10K192716+1911#20031#18120
10K → 15K11879+1178#18120#16942
15K → 20K7683+765#16942#16177
20K → Half9210+82#16177#16095
Half → 25K17585+90#16095#16005
25K → 30K7025+697#16005#15308
30K → 20M2714+267#15308#15041
20M → 21M3011+300#15041#14741
21M → 35K1188+110#14741#14631
35K → 23M15217+135#14631#14496
23M → 24M1866+180#14496#14316
24M → 40K8129+52#14316#14264
40K → 25.2M3815+23#14264#14241
25.2M → Finish8844+44#14241#14197
TOTALS6086252+5834
📊

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