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BOSTON MARATHON 2023

Tom Shkreli

Bib: 31936•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 (M50-54)
#0 / 2052
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
10:31/mi
32:39
↑ 97↓ 3451.5%
10K· 6.21 mi
10:04/mi
1:03:57
↑ 79↓ 1380.4%
15K· 9.32 mi
10:04/mi
1:35:15
↑ 67↓ 78
20K· 12.43 mi
10:17/mi
2:07:12
↑ 106↓ 860.1%
Half· 13.11 mi
10:08/mi
2:14:07
↑ 19↓ 370.5%
25K· 15.53 mi
10:18/mi
2:39:06
↑ 66↓ 880.2%
30K· 18.64 mi
10:28/mi
3:11:36
↑ 181↓ 1480.2%
20M
10:17/mi
3:25:35
↑ 64↓ 500.2%
21M
10:57/mi
3:36:32
↑ 106↓ 241.6%
35K· 21.75 mi
10:19/mi
3:44:15
↑ 17↓ 861.7%
23M
10:39/mi
3:57:35
↑ 23↓ 630.6%
24M
10:37/mi
4:08:12
↓ 821.3%
40K· 24.85 mi
10:42/mi
4:17:21
↓ 200.3%
25.2M
11:27/mi
4:21:18
↑ 13↓ 160.2%
Finish· 26.22 mi
9:48/mi
4:31:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:07
Pace10:14 /mi
2nd Half
Distance13.11 mi
Time2:17:10
Pace10:28 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5732:3910:3132:39
10:31
-
10K
6.21 mi12:24:151:03:5710:1831:18
10:04
-0:27
15K
9.32 mi12:55:331:35:1510:1331:18
10:04
0:00
20K
12.43 mi13:27:302:07:1210:1431:57
10:17
+0:13
Half
13.11 mi13:34:252:14:0710:146:55
10:08
-0:09
25K
15.53 mi13:59:242:39:0610:1524:59
10:18
+0:10
30K
18.64 mi14:31:543:11:3610:1732:30
10:28
+0:10
20M
20.00 mi14:45:533:25:3510:1713:59
10:17
-0:11
21M
21.00 mi14:56:503:36:3210:1910:57
10:57
+0:40
35K
21.75 mi15:04:333:44:1510:197:43
10:19
-0:38
23M
23.00 mi15:17:533:57:3510:2013:20
10:39
+0:20
24M
24.00 mi15:28:304:08:1210:2110:37
10:37
-0:02
40K
24.85 mi15:37:394:17:2110:219:09
10:42
+0:05
25.2M
25.20 mi15:41:364:21:1810:223:57
11:27
+0:45
Finish
26.22 mi15:51:354:31:1710:219:59
9:48
-1:39

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

9:48 /mi

Average Pace

10:21 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:16:23

95% of race

Time at Steady Pace

14:54

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:21 /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 mi11:52:5732:3910:3132:39
10:31
#24731
10K
6.21 mi12:24:151:03:5710:1831:18
10:04
#24246
15K
9.32 mi12:55:331:35:1510:1331:18
10:04
#24051
20K
12.43 mi13:27:302:07:1210:1431:57
10:17
#23880
Half
13.11 mi13:34:252:14:0710:146:55
10:08
#23860
25K
15.53 mi13:59:242:39:0610:1524:59
10:18
#23670
30K
18.64 mi14:31:543:11:3610:1732:30
10:28
#23392
20M
20.00 mi14:45:533:25:3510:1713:59
10:17
#23246
21M
21.00 mi14:56:503:36:3210:1910:57
10:57
#23118
35K
21.75 mi15:04:333:44:1510:197:43
10:19
#23079
23M
23.00 mi15:17:533:57:3510:2013:20
10:39
#22974
24M
24.00 mi15:28:304:08:1210:2110:37
10:37
#22941
40K
24.85 mi15:37:394:17:2110:219:09
10:42
#22895
25.2M
25.20 mi15:41:364:21:1810:223:57
11:27
#22876
Finish
26.22 mi15:51:354:31:1710:219:59
9:48
#22836
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi24731144181441823645(Top 89%)13928(Top 92%)13928(Top 679%)
10K6.21 mi3.10 mi24246+48514202+21614202+21623846(Top 90%)14017(Top 92%)14017(Top 683%)
15K9.32 mi3.11 mi24051+19514111+9114111+9123645(Top 89%)13928(Top 92%)13928(Top 679%)
20K12.43 mi3.11 mi23880+17114036+7514036+7523444(Top 88%)13831(Top 91%)13831(Top 674%)
Half13.11 mi0.68 mi23860+2014029+714029+723536(Top 88%)13865(Top 91%)13865(Top 676%)
25K15.53 mi2.42 mi23670+19013931+9813931+9822843(Top 86%)13525(Top 89%)13525(Top 659%)
30K18.64 mi3.11 mi23392+27813782+14913782+14922129(Top 83%)13138(Top 87%)13138(Top 640%)
20M20.00 mi1.36 mi23246+14613701+8113701+8121245(Top 80%)12677(Top 84%)12677(Top 618%)
21M21.00 mi1.00 mi23118+12813626+7513626+7520717(Top 78%)12396(Top 82%)12396(Top 604%)
35K21.75 mi0.75 mi23079+3913601+2513601+2522023(Top 83%)12939(Top 85%)12939(Top 631%)
23M23.00 mi1.25 mi22974+10513542+5913542+5921655(Top 81%)12755(Top 84%)12755(Top 622%)
24M24.00 mi1.00 mi22941+3313511+3113511+3122266(Top 84%)13002(Top 86%)13002(Top 634%)
40K24.85 mi0.85 mi22895+4613484+2713484+2721709(Top 82%)12698(Top 84%)12698(Top 619%)
25.2M25.20 mi0.35 mi22876+1913476+813476+821445(Top 81%)12594(Top 83%)12594(Top 614%)
Finish26.22 mi1.02 mi22836+4013450+2613450+2621135(Top 79%)12489(Top 82%)12489(Top 609%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23645

Males

13928

M50-54

13928

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23846

Males

14017

M50-54

14017

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23645

Males

13928

M50-54

13928

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23444

Males

13831

M50-54

13831

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

23536

Males

13865

M50-54

13865

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22843

Males

13525

M50-54

13525

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22129

Males

13138

M50-54

13138

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21245

Males

12677

M50-54

12677

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20717

Males

12396

M50-54

12396

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22023

Males

12939

M50-54

12939

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21655

Males

12755

M50-54

12755

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22266

Males

13002

M50-54

13002

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21709

Males

12698

M50-54

12698

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21445

Males

12594

M50-54

12594

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21135

Males

12489

M50-54

12489

Passing Analysis

Category:
Athletes Passed
2140
Passed By
245
Net Change
+1895
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24731
5K → 10K52237+485#24731#24246
10K → 15K24954+195#24246#24051
15K → 20K21039+171#24051#23880
20K → Half277+20#23880#23860
Half → 25K20515+190#23860#23670
25K → 30K2879+278#23670#23392
30K → 20M1526+146#23392#23246
20M → 21M1302+128#23246#23118
21M → 35K5112+39#23118#23079
35K → 23M1127+105#23079#22974
23M → 24M6330+33#22974#22941
24M → 40K5812+46#22941#22895
40K → 25.2M245+19#22895#22876
25.2M → Finish5010+40#22876#22836
TOTALS2140245+1895
📊

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