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BOSTON MARATHON 2023

Stuart Kramer

Bib: 23986•M

SK

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
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
10:09/mi
31:31
↑ 97↓ 3451.5%
10K· 6.21 mi
10:23/mi
1:03:48
↑ 79↓ 1380.4%
15K· 9.32 mi
10:21/mi
1:35:58
↑ 67↓ 78
20K· 12.43 mi
10:27/mi
2:08:25
↑ 106↓ 860.1%
Half· 13.11 mi
10:35/mi
2:15:38
↑ 19↓ 370.5%
25K· 15.53 mi
10:48/mi
2:41:48
↑ 66↓ 880.2%
30K· 18.64 mi
10:58/mi
3:15:51
↑ 181↓ 1480.2%
20M
10:55/mi
3:30:41
↑ 64↓ 500.2%
21M
11:18/mi
3:41:59
↑ 106↓ 241.6%
35K· 21.75 mi
10:34/mi
3:49:53
↑ 17↓ 861.7%
23M
10:40/mi
4:03:14
↑ 23↓ 630.6%
24M
10:34/mi
4:13:48
↓ 821.3%
40K· 24.85 mi
10:43/mi
4:22:58
↓ 200.3%
25.2M
11:45/mi
4:27:01
↑ 13↓ 160.2%
Finish· 26.22 mi
10:43/mi
4:37:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:38
Pace10:21 /mi
2nd Half
Distance13.11 mi
Time2:22:18
Pace10:51 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:1331:3110:0931:31
10:09
-
10K
6.21 mi12:00:301:03:4810:1632:17
10:23
+0:14
15K
9.32 mi12:32:401:35:5810:1832:10
10:21
-0:02
20K
12.43 mi13:05:072:08:2510:2032:27
10:27
+0:06
Half
13.11 mi13:12:202:15:3810:217:13
10:35
+0:08
25K
15.53 mi13:38:302:41:4810:2526:10
10:48
+0:13
30K
18.64 mi14:12:333:15:5110:3034:03
10:58
+0:10
20M
20.00 mi14:27:233:30:4110:3214:50
10:55
-0:03
21M
21.00 mi14:38:413:41:5910:3411:18
11:18
+0:23
35K
21.75 mi14:46:353:49:5310:347:54
10:34
-0:44
23M
23.00 mi14:59:564:03:1410:3513:21
10:40
+0:06
24M
24.00 mi15:10:304:13:4810:3510:34
10:34
-0:06
40K
24.85 mi15:19:404:22:5810:359:10
10:43
+0:09
25.2M
25.20 mi15:23:434:27:0110:364:03
11:45
+1:02
Finish
26.22 mi15:34:384:37:5610:3610:55
10:43
-1:02

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

10:09 /mi

Average Pace

10:36 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:22:35

94% of race

Time at Steady Pace

15:21

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:36 /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 mi11:28:1331:3110:0931:31
10:09
#23791
10K
6.21 mi12:00:301:03:4810:1632:17
10:23
#24195
15K
9.32 mi12:32:401:35:5810:1832:10
10:21
#24214
20K
12.43 mi13:05:072:08:2510:2032:27
10:27
#24085
Half
13.11 mi13:12:202:15:3810:217:13
10:35
#24092
25K
15.53 mi13:38:302:41:4810:2526:10
10:48
#24002
30K
18.64 mi14:12:333:15:5110:3034:03
10:58
#23831
20M
20.00 mi14:27:233:30:4110:3214:50
10:55
#23726
21M
21.00 mi14:38:413:41:5910:3411:18
11:18
#23605
35K
21.75 mi14:46:353:49:5310:347:54
10:34
#23580
23M
23.00 mi14:59:564:03:1410:3513:21
10:40
#23493
24M
24.00 mi15:10:304:13:4810:3510:34
10:34
#23451
40K
24.85 mi15:19:404:22:5810:359:10
10:43
#23381
25.2M
25.20 mi15:23:434:27:0110:364:03
11:45
#23362
Finish
26.22 mi15:34:384:37:5610:3610:55
10:43
#23361
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi23791139811398124187(Top 91%)14169(Top 93%)14169(Top 6652%)
10K6.21 mi3.10 mi24195-40414181-20014181-20024474(Top 92%)14299(Top 94%)14299(Top 6713%)
15K9.32 mi3.11 mi24214-1914183-214183-224187(Top 91%)14169(Top 93%)14169(Top 6652%)
20K12.43 mi3.11 mi24085+12914124+5914124+5923739(Top 89%)13949(Top 92%)13949(Top 6549%)
Half13.11 mi0.68 mi24092-714118+614118+624324(Top 91%)14187(Top 93%)14187(Top 6661%)
25K15.53 mi2.42 mi24002+9014082+3614082+3623655(Top 89%)13871(Top 91%)13871(Top 6512%)
30K18.64 mi3.11 mi23831+17113985+9713985+9723024(Top 86%)13531(Top 89%)13531(Top 6353%)
20M20.00 mi1.36 mi23726+10513924+6113924+6122552(Top 85%)13259(Top 87%)13259(Top 6225%)
21M21.00 mi1.00 mi23605+12113862+6213862+6221475(Top 81%)12733(Top 84%)12733(Top 5978%)
35K21.75 mi0.75 mi23580+2513845+1713845+1722495(Top 84%)13155(Top 87%)13155(Top 6176%)
23M23.00 mi1.25 mi23493+8713795+5013795+5021678(Top 81%)12765(Top 84%)12765(Top 5993%)
24M24.00 mi1.00 mi23451+4213765+3013765+3022170(Top 83%)12955(Top 85%)12955(Top 6082%)
40K24.85 mi0.85 mi23381+7013719+4613719+4621755(Top 82%)12718(Top 84%)12718(Top 5971%)
25.2M25.20 mi0.35 mi23362+1913704+1513704+1522038(Top 83%)12871(Top 85%)12871(Top 6043%)
Finish26.22 mi1.02 mi23361+113697+713697+723437(Top 88%)13545(Top 89%)13545(Top 6359%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24187

Males

14169

M70-74

14169

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24474

Males

14299

M70-74

14299

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24187

Males

14169

M70-74

14169

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23739

Males

13949

M70-74

13949

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24324

Males

14187

M70-74

14187

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23655

Males

13871

M70-74

13871

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

23024

Males

13531

M70-74

13531

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22552

Males

13259

M70-74

13259

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21475

Males

12733

M70-74

12733

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22495

Males

13155

M70-74

13155

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21678

Males

12765

M70-74

12765

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22170

Males

12955

M70-74

12955

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21755

Males

12718

M70-74

12718

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22038

Males

12871

M70-74

12871

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23437

Males

13545

M70-74

13545

Passing Analysis

Category:
Athletes Passed
1271
Passed By
841
Net Change
+430
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23791
5K → 10K50454-404#23791#24195
10K → 15K118137-19#24195#24214
15K → 20K17041+129#24214#24085
20K → Half2330-7#24085#24092
Half → 25K13949+90#24092#24002
25K → 30K20837+171#24002#23831
30K → 20M11813+105#23831#23726
20M → 21M1254+121#23726#23605
21M → 35K3510+25#23605#23580
35K → 23M936+87#23580#23493
23M → 24M5210+42#23493#23451
24M → 40K766+70#23451#23381
40K → 25.2M278+19#23381#23362
25.2M → Finish3736+1#23362#23361
TOTALS1271841+430
📊

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