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BOSTON MARATHON 2023

Scott Blake

Bib: 12793•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
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
7:34/mi
23:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:28/mi
46:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:24
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:34:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:40:10
↑ 19↓ 370.5%
25K· 15.53 mi
7:59/mi
1:59:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:25:22
↑ 181↓ 1480.2%
20M
8:16/mi
2:36:36
↑ 64↓ 500.2%
21M
8:56/mi
2:45:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:51:38
↑ 17↓ 861.7%
23M
8:38/mi
3:02:26
↑ 23↓ 630.6%
24M
8:22/mi
3:10:48
↓ 821.3%
40K· 24.85 mi
8:33/mi
3:18:07
↓ 200.3%
25.2M
9:08/mi
3:21:16
↑ 13↓ 160.2%
Finish· 26.22 mi
8:13/mi
3:29:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:10
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:49:28
Pace8:21 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1723:327:3423:32
7:34
-
10K
6.21 mi11:14:2946:447:3123:12
7:28
-0:06
15K
9.32 mi11:38:091:10:247:3323:40
7:37
+0:09
20K
12.43 mi12:02:381:34:537:3824:29
7:53
+0:16
Half
13.11 mi12:07:551:40:107:385:17
7:45
-0:08
25K
15.53 mi12:27:161:59:317:4219:21
7:59
+0:14
30K
18.64 mi12:53:072:25:227:4825:51
8:19
+0:20
20M
20.00 mi13:04:212:36:367:5011:14
8:16
-0:03
21M
21.00 mi13:13:172:45:327:538:56
8:56
+0:40
35K
21.75 mi13:19:232:51:387:546:06
8:09
-0:47
23M
23.00 mi13:30:113:02:267:5610:48
8:38
+0:29
24M
24.00 mi13:38:333:10:487:578:22
8:22
-0:16
40K
24.85 mi13:45:523:18:077:587:19
8:33
+0:11
25.2M
25.20 mi13:49:013:21:167:593:09
9:08
+0:35
Finish
26.22 mi13:57:233:29:388:008:22
8:13
-0:55

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

7:28 /mi

Average Pace

8:00 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:10

48% of race

Time at Steady Pace

1:19:16

38% of race

Time at Slower Pace

30:12

14% of race

Average Pace: 8:00 /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 mi10:51:1723:327:3423:32
7:34
#10293
10K
6.21 mi11:14:2946:447:3123:12
7:28
#10226
15K
9.32 mi11:38:091:10:247:3323:40
7:37
#10524
20K
12.43 mi12:02:381:34:537:3824:29
7:53
#10998
Half
13.11 mi12:07:551:40:107:385:17
7:45
#11046
25K
15.53 mi12:27:161:59:317:4219:21
7:59
#11247
30K
18.64 mi12:53:072:25:227:4825:51
8:19
#11596
20M
20.00 mi13:04:212:36:367:5011:14
8:16
#11623
21M
21.00 mi13:13:172:45:327:538:56
8:56
#11714
35K
21.75 mi13:19:232:51:387:546:06
8:09
#11785
23M
23.00 mi13:30:113:02:267:5610:48
8:38
#11904
24M
24.00 mi13:38:333:10:487:578:22
8:22
#11988
40K
24.85 mi13:45:523:18:077:587:19
8:33
#12058
25.2M
25.20 mi13:49:013:21:167:593:09
9:08
#12071
Finish
26.22 mi13:57:233:29:388:008:22
8:13
#12139
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi102938291829111155(Top 42%)8708(Top 57%)8708(Top 424%)
10K6.21 mi3.10 mi10226+678276+158276+1510202(Top 38%)8279(Top 55%)8279(Top 403%)
15K9.32 mi3.11 mi10524-2988436-1608436-16011155(Top 42%)8708(Top 57%)8708(Top 424%)
20K12.43 mi3.11 mi10998-4748653-2178653-21712429(Top 47%)9196(Top 61%)9196(Top 448%)
Half13.11 mi0.68 mi11046-488679-268679-2612198(Top 46%)9152(Top 60%)9152(Top 446%)
25K15.53 mi2.42 mi11247-2018731-528731-5212571(Top 47%)9154(Top 60%)9154(Top 446%)
30K18.64 mi3.11 mi11596-3498835-1048835-10413132(Top 49%)9284(Top 61%)9284(Top 452%)
20M20.00 mi1.36 mi11623-278826+98826+912118(Top 46%)8755(Top 58%)8755(Top 427%)
21M21.00 mi1.00 mi11714-918848-228848-2213002(Top 49%)9035(Top 60%)9035(Top 440%)
35K21.75 mi0.75 mi11785-718863-158863-1513108(Top 49%)9023(Top 59%)9023(Top 440%)
23M23.00 mi1.25 mi11904-1198890-278890-2713913(Top 52%)9327(Top 61%)9327(Top 455%)
24M24.00 mi1.00 mi11988-848901-118901-1113608(Top 51%)9132(Top 60%)9132(Top 445%)
40K24.85 mi0.85 mi12058-708907-68907-613667(Top 51%)9087(Top 60%)9087(Top 443%)
25.2M25.20 mi0.35 mi12071-138906+18906+113213(Top 50%)8854(Top 58%)8854(Top 431%)
Finish26.22 mi1.02 mi12139-688920-148920-1413469(Top 51%)9001(Top 59%)9001(Top 439%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11155

Males

8708

M50-54

8708

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10202

Males

8279

M50-54

8279

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11155

Males

8708

M50-54

8708

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12429

Males

9196

M50-54

9196

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12198

Males

9152

M50-54

9152

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12571

Males

9154

M50-54

9154

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13132

Males

9284

M50-54

9284

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12118

Males

8755

M50-54

8755

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13002

Males

9035

M50-54

9035

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13108

Males

9023

M50-54

9023

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13913

Males

9327

M50-54

9327

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13608

Males

9132

M50-54

9132

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13667

Males

9087

M50-54

9087

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13213

Males

8854

M50-54

8854

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13469

Males

9001

M50-54

9001

Passing Analysis

Category:
Athletes Passed
1039*
Passed By
2885
Net Change
-1846
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10293
5K → 10K345*278+67#10293#10226
10K → 15K91389-298#10226#10524
15K → 20K48522-474#10524#10998
20K → Half1058-48#10998#11046
Half → 25K70271-201#11046#11247
25K → 30K83432-349#11247#11596
30K → 20M88115-27#11596#11623
20M → 21M61152-91#11623#11714
21M → 35K2394-71#11714#11785
35K → 23M57176-119#11785#11904
23M → 24M44128-84#11904#11988
24M → 40K44114-70#11988#12058
40K → 25.2M2336-13#12058#12071
25.2M → Finish52120-68#12071#12139
TOTALS1039*2885-1846

* 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