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BOSTON MARATHON 2023

David Teng

Bib: 16046•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 48%
Division (M55-59)
#0 / 1422
Top 33%
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
7:33/mi
23:28
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
46:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:09:43
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:34:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:39:48
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
1:59:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:34/mi
2:26:00
↑ 181↓ 1480.2%
20M
8:15/mi
2:37:12
↑ 64↓ 500.2%
21M
8:27/mi
2:45:39
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:51:40
↑ 17↓ 861.7%
23M
8:13/mi
3:01:57
↑ 23↓ 630.6%
24M
8:12/mi
3:10:09
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:17:09
↓ 200.3%
25.2M
8:33/mi
3:20:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:28:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:48
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:48:15
Pace8:15 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4423:287:3323:28
7:33
-
10K
6.21 mi11:36:2946:137:2622:45
7:19
-0:14
15K
9.32 mi11:59:591:09:437:2923:30
7:34
+0:15
20K
12.43 mi12:24:431:34:277:3624:44
7:58
+0:24
Half
13.11 mi12:30:041:39:487:375:21
7:50
-0:08
25K
15.53 mi12:49:401:59:247:4119:36
8:05
+0:15
30K
18.64 mi13:16:162:26:007:5026:36
8:34
+0:29
20M
20.00 mi13:27:282:37:127:5211:12
8:15
-0:19
21M
21.00 mi13:35:552:45:397:538:27
8:27
+0:12
35K
21.75 mi13:41:562:51:407:546:01
8:03
-0:24
23M
23.00 mi13:52:133:01:577:5510:17
8:13
+0:10
24M
24.00 mi14:00:253:10:097:558:12
8:12
-0:01
40K
24.85 mi14:07:253:17:097:567:00
8:11
-0:01
25.2M
25.20 mi14:10:223:20:067:562:57
8:33
+0:22
Finish
26.22 mi14:18:193:28:037:567:57
7:48
-0:45

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

7:19 /mi

Average Pace

7:56 /mi

Slowest Pace

8:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:45

52% of race

Time at Steady Pace

1:40:18

48% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi11:13:4423:287:3323:28
7:33
#10098
10K
6.21 mi11:36:2946:137:2622:45
7:19
#9481
15K
9.32 mi11:59:591:09:437:2923:30
7:34
#9861
20K
12.43 mi12:24:431:34:277:3624:44
7:58
#10710
Half
13.11 mi12:30:041:39:487:375:21
7:50
#10832
25K
15.53 mi12:49:401:59:247:4119:36
8:05
#11185
30K
18.64 mi13:16:162:26:007:5026:36
8:34
#11868
20M
20.00 mi13:27:282:37:127:5211:12
8:15
#11857
21M
21.00 mi13:35:552:45:397:538:27
8:27
#11760
35K
21.75 mi13:41:562:51:407:546:01
8:03
#11794
23M
23.00 mi13:52:133:01:577:5510:17
8:13
#11738
24M
24.00 mi14:00:253:10:097:558:12
8:12
#11765
40K
24.85 mi14:07:253:17:097:567:00
8:11
#11742
25.2M
25.20 mi14:10:223:20:067:562:57
8:33
#11703
Finish
26.22 mi14:18:193:28:037:567:57
7:48
#11633
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi100988180818010696(Top 40%)8504(Top 56%)8504(Top 598%)
10K6.21 mi3.10 mi9481+6177868+3127868+3129026(Top 34%)7597(Top 50%)7597(Top 534%)
15K9.32 mi3.11 mi9861-3808085-2178085-21710696(Top 40%)8504(Top 56%)8504(Top 598%)
20K12.43 mi3.11 mi10710-8498502-4178502-41713095(Top 49%)9479(Top 62%)9479(Top 667%)
Half13.11 mi0.68 mi10832-1228559-578559-5713015(Top 49%)9472(Top 62%)9472(Top 666%)
25K15.53 mi2.42 mi11185-3538709-1508709-15013378(Top 50%)9507(Top 63%)9507(Top 669%)
30K18.64 mi3.11 mi11868-6838947-2388947-23814674(Top 55%)9918(Top 65%)9918(Top 697%)
20M20.00 mi1.36 mi11857+118924+238924+2311943(Top 45%)8683(Top 57%)8683(Top 611%)
21M21.00 mi1.00 mi11760+978864+608864+6010173(Top 38%)7703(Top 51%)7703(Top 542%)
35K21.75 mi0.75 mi11794-348868-48868-412387(Top 47%)8721(Top 57%)8721(Top 613%)
23M23.00 mi1.25 mi11738+568824+448824+4411259(Top 42%)8108(Top 53%)8108(Top 570%)
24M24.00 mi1.00 mi11765-278816+88816+812568(Top 47%)8658(Top 57%)8658(Top 609%)
40K24.85 mi0.85 mi11742+238782+348782+3411249(Top 42%)7954(Top 52%)7954(Top 559%)
25.2M25.20 mi0.35 mi11703+398753+298753+299841(Top 37%)7227(Top 48%)7227(Top 508%)
Finish26.22 mi1.02 mi11633+708693+608693+6010673(Top 40%)7638(Top 50%)7638(Top 537%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10696

Males

8504

M55-59

8504

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9026

Males

7597

M55-59

7597

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10696

Males

8504

M55-59

8504

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13095

Males

9479

M55-59

9479

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13015

Males

9472

M55-59

9472

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13378

Males

9507

M55-59

9507

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14674

Males

9918

M55-59

9918

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11943

Males

8683

M55-59

8683

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10173

Males

7703

M55-59

7703

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12387

Males

8721

M55-59

8721

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11259

Males

8108

M55-59

8108

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12568

Males

8658

M55-59

8658

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11249

Males

7954

M55-59

7954

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9841

Males

7227

M55-59

7227

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10673

Males

7638

M55-59

7638

Passing Analysis

Category:
Athletes Passed
1594*
Passed By
3128
Net Change
-1535
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10098
5K → 10K707*90+617#10098#9481
10K → 15K67447-380#9481#9861
15K → 20K23871-849#9861#10710
20K → Half5127-122#10710#10832
Half → 25K50403-353#10832#11185
25K → 30K43726-683#11185#11868
30K → 20M10392+11#11868#11857
20M → 21M14548+97#11857#11760
21M → 35K3064-34#11760#11794
35K → 23M12165+56#11794#11738
23M → 24M6289-27#11738#11765
24M → 40K7249+23#11765#11742
40K → 25.2M5011+39#11742#11703
25.2M → Finish11646+70#11703#11633
TOTALS1594*3128-1535

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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