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BOSTON MARATHON 2023

Boris Tannenbaum

Bib: 27224•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
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
11:35/mi
35:59
↑ 97↓ 3451.5%
10K· 6.21 mi
11:32/mi
1:11:49
↑ 79↓ 1380.4%
15K· 9.32 mi
11:51/mi
1:48:37
↑ 67↓ 78
20K· 12.43 mi
13:19/mi
2:30:00
↑ 106↓ 860.1%
Half· 13.11 mi
11:44/mi
2:38:00
↑ 19↓ 370.5%
25K· 15.53 mi
13:29/mi
3:10:42
↑ 66↓ 880.2%
30K· 18.64 mi
13:26/mi
3:52:25
↑ 181↓ 1480.2%
20M
13:43/mi
4:11:03
↑ 64↓ 500.2%
21M
15:30/mi
4:26:33
↑ 106↓ 241.6%
35K· 21.75 mi
13:27/mi
4:36:37
↑ 17↓ 861.7%
23M
15:14/mi
4:55:42
↑ 23↓ 630.6%
24M
12:43/mi
5:08:25
↓ 821.3%
40K· 24.85 mi
16:04/mi
5:22:09
↓ 200.3%
25.2M
14:33/mi
5:27:10
↑ 13↓ 160.2%
Finish· 26.22 mi
14:36/mi
5:42:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:38:00
Pace12:03 /mi
2nd Half
Distance13.11 mi
Time3:04:03
Pace14:02 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3035:5911:3535:59
11:35
-
10K
6.21 mi12:29:201:11:4911:3335:50
11:32
-0:03
15K
9.32 mi13:06:081:48:3711:3936:48
11:51
+0:19
20K
12.43 mi13:47:312:30:0012:0441:23
13:19
+1:28
Half
13.11 mi13:55:312:38:0012:038:00
11:44
-1:35
25K
15.53 mi14:28:133:10:4212:1732:42
13:29
+1:45
30K
18.64 mi15:09:563:52:2512:2841:43
13:26
-0:03
20M
20.00 mi15:28:344:11:0312:3318:38
13:43
+0:17
21M
21.00 mi15:44:044:26:3312:4215:30
15:30
+1:47
35K
21.75 mi15:54:084:36:3712:4310:04
13:27
-2:03
23M
23.00 mi16:13:134:55:4212:5119:05
15:14
+1:47
24M
24.00 mi16:25:565:08:2512:5112:43
12:43
-2:31
40K
24.85 mi16:39:405:22:0912:5813:44
16:04
+3:21
25.2M
25.20 mi16:44:415:27:1012:595:01
14:33
-1:31
Finish
26.22 mi16:59:345:42:0313:0314:53
14:36
+0:03

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

11:32 /mi

Average Pace

13:03 /mi

Slowest Pace

16:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:20

38% of race

Time at Steady Pace

2:24:30

42% of race

Time at Slower Pace

1:08:13

20% of race

Average Pace: 13:03 /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 mi11:53:3035:5911:3535:59
11:35
#26256
10K
6.21 mi12:29:201:11:4911:3335:50
11:32
#26133
15K
9.32 mi13:06:081:48:3711:3936:48
11:51
#26089
20K
12.43 mi13:47:312:30:0012:0441:23
13:19
#26185
Half
13.11 mi13:55:312:38:0012:038:00
11:44
#26181
25K
15.53 mi14:28:133:10:4212:1732:42
13:29
#26194
30K
18.64 mi15:09:563:52:2512:2841:43
13:26
#26118
20M
20.00 mi15:28:344:11:0312:3318:38
13:43
#26101
21M
21.00 mi15:44:044:26:3312:4215:30
15:30
#26100
35K
21.75 mi15:54:084:36:3712:4310:04
13:27
#26096
23M
23.00 mi16:13:134:55:4212:5119:05
15:14
#26135
24M
24.00 mi16:25:565:08:2512:5112:43
12:43
#26114
40K
24.85 mi16:39:405:22:0912:5813:44
16:04
#26142
25.2M
25.20 mi16:44:415:27:1012:595:01
14:33
#26138
Finish
26.22 mi16:59:345:42:0313:0314:53
14:36
#26178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi26256150331503325957(Top 98%)14923(Top 98%)14923(Top 2718%)
10K6.21 mi3.10 mi26133+12314986+4714986+4725990(Top 98%)14933(Top 98%)14933(Top 2720%)
15K9.32 mi3.11 mi26089+4414973+1314973+1325957(Top 98%)14923(Top 98%)14923(Top 2718%)
20K12.43 mi3.11 mi26185-9615007-3415007-3426360(Top 99%)15064(Top 99%)15064(Top 2744%)
Half13.11 mi0.68 mi26181+4150071500725672(Top 96%)14764(Top 97%)14764(Top 2689%)
25K15.53 mi2.42 mi26194-1315009-215009-226114(Top 98%)14953(Top 99%)14953(Top 2724%)
30K18.64 mi3.11 mi26118+7614967+4214967+4225709(Top 97%)14732(Top 97%)14732(Top 2683%)
20M20.00 mi1.36 mi26101+1714960+714960+725675(Top 96%)14705(Top 97%)14705(Top 2679%)
21M21.00 mi1.00 mi26100+114957+314957+326012(Top 98%)14870(Top 98%)14870(Top 2709%)
35K21.75 mi0.75 mi26096+414951+614951+625858(Top 97%)14769(Top 97%)14769(Top 2690%)
23M23.00 mi1.25 mi26135-3914967-1614967-1626354(Top 99%)15022(Top 99%)15022(Top 2736%)
24M24.00 mi1.00 mi26114+2114954+1314954+1325257(Top 95%)14433(Top 95%)14433(Top 2629%)
40K24.85 mi0.85 mi26142-2814964-1014964-1026422(Top 99%)15054(Top 99%)15054(Top 2742%)
25.2M25.20 mi0.35 mi26138+414963+114963+125427(Top 96%)14514(Top 96%)14514(Top 2644%)
Finish26.22 mi1.02 mi26178-4014984-2114984-2126460(Top 99%)15070(Top 99%)15070(Top 2745%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

25957

Males

14923

M65-69

14923

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

25990

Males

14933

M65-69

14933

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

25957

Males

14923

M65-69

14923

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

26360

Males

15064

M65-69

15064

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25672

Males

14764

M65-69

14764

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

26114

Males

14953

M65-69

14953

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25709

Males

14732

M65-69

14732

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25675

Males

14705

M65-69

14705

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26012

Males

14870

M65-69

14870

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25858

Males

14769

M65-69

14769

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26354

Males

15022

M65-69

15022

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

25257

Males

14433

M65-69

14433

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26422

Males

15054

M65-69

15054

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25427

Males

14514

M65-69

14514

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26460

Males

15070

M65-69

15070

Passing Analysis

Category:
Athletes Passed
464
Passed By
386
Net Change
+78
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26256
5K → 10K14825+123#26256#26133
10K → 15K8339+44#26133#26089
15K → 20K17113-96#26089#26185
20K → Half73+4#26185#26181
Half → 25K2235-13#26181#26194
25K → 30K9014+76#26194#26118
30K → 20M3114+17#26118#26101
20M → 21M1817+1#26101#26100
21M → 35K139+4#26100#26096
35K → 23M140-39#26096#26135
23M → 24M254+21#26135#26114
24M → 40K331-28#26114#26142
40K → 25.2M40+4#26142#26138
25.2M → Finish242-40#26138#26178
TOTALS464386+78
📊

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