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BOSTON MARATHON 2023

Blair Kuhnen

Bib: 10689•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 36%
Division (M60-64)
#0 / 1110
Top 7%
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
7:31/mi
23:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:09:43
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:33:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:38:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:56:34
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:20:33
↑ 181↓ 1480.2%
20M
7:47/mi
2:31:07
↑ 64↓ 500.2%
21M
8:15/mi
2:39:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:45:02
↑ 17↓ 861.7%
23M
7:37/mi
2:54:34
↑ 23↓ 630.6%
24M
7:20/mi
3:01:54
↓ 821.3%
40K· 24.85 mi
7:31/mi
3:08:20
↓ 200.3%
25.2M
8:01/mi
3:11:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:18:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:07
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:40:38
Pace7:41 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0823:217:3123:21
7:31
-
10K
6.21 mi11:13:1546:287:2923:07
7:26
-0:05
15K
9.32 mi11:36:301:09:437:2923:15
7:29
+0:03
20K
12.43 mi11:59:511:33:047:2923:21
7:31
+0:02
Half
13.11 mi12:04:541:38:077:295:03
7:24
-0:07
25K
15.53 mi12:23:211:56:347:3018:27
7:37
+0:13
30K
18.64 mi12:47:202:20:337:3223:59
7:43
+0:06
20M
20.00 mi12:57:542:31:077:3310:34
7:47
+0:04
21M
21.00 mi13:06:092:39:227:358:15
8:15
+0:28
35K
21.75 mi13:11:492:45:027:355:40
7:34
-0:41
23M
23.00 mi13:21:212:54:347:359:32
7:37
+0:03
24M
24.00 mi13:28:413:01:547:357:20
7:20
-0:17
40K
24.85 mi13:35:073:08:207:356:26
7:31
+0:11
25.2M
25.20 mi13:37:533:11:067:352:46
8:01
+0:30
Finish
26.22 mi13:45:323:18:457:357:39
7:30
-0:31

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

7:20 /mi

Average Pace

7:35 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:30

96% of race

Time at Steady Pace

8:15

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:50:0823:217:3123:21
7:31
#9745
10K
6.21 mi11:13:1546:287:2923:07
7:26
#9812
15K
9.32 mi11:36:301:09:437:2923:15
7:29
#9859
20K
12.43 mi11:59:511:33:047:2923:21
7:31
#9720
Half
13.11 mi12:04:541:38:077:295:03
7:24
#9695
25K
15.53 mi12:23:211:56:347:3018:27
7:37
#9685
30K
18.64 mi12:47:202:20:337:3223:59
7:43
#9487
20M
20.00 mi12:57:542:31:077:3310:34
7:47
#9407
21M
21.00 mi13:06:092:39:227:358:15
8:15
#9333
35K
21.75 mi13:11:492:45:027:355:40
7:34
#9305
23M
23.00 mi13:21:212:54:347:359:32
7:37
#9153
24M
24.00 mi13:28:413:01:547:357:20
7:20
#9014
40K
24.85 mi13:35:073:08:207:356:26
7:31
#8905
25.2M
25.20 mi13:37:533:11:067:352:46
8:01
#8849
Finish
26.22 mi13:45:323:18:457:357:39
7:30
#8813
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi97458003800310032(Top 38%)8158(Top 54%)8158(Top 735%)
10K6.21 mi3.10 mi9812-678051-488051-489965(Top 37%)8149(Top 54%)8149(Top 734%)
15K9.32 mi3.11 mi9859-478083-328083-3210032(Top 38%)8158(Top 54%)8158(Top 735%)
20K12.43 mi3.11 mi9720+1397993+907993+909425(Top 35%)7751(Top 51%)7751(Top 698%)
Half13.11 mi0.68 mi9695+257977+167977+169386(Top 35%)7736(Top 51%)7736(Top 697%)
25K15.53 mi2.42 mi9685+107955+227955+229595(Top 36%)7755(Top 51%)7755(Top 699%)
30K18.64 mi3.11 mi9487+1987791+1647791+1648776(Top 33%)7145(Top 47%)7145(Top 644%)
20M20.00 mi1.36 mi9407+807722+697722+698665(Top 33%)6998(Top 46%)6998(Top 630%)
21M21.00 mi1.00 mi9333+747653+697653+698884(Top 33%)6998(Top 46%)6998(Top 630%)
35K21.75 mi0.75 mi9305+287620+337620+339055(Top 34%)7098(Top 47%)7098(Top 639%)
23M23.00 mi1.25 mi9153+1527503+1177503+1177188(Top 27%)5948(Top 39%)5948(Top 536%)
24M24.00 mi1.00 mi9014+1397401+1027401+1026608(Top 25%)5498(Top 36%)5498(Top 495%)
40K24.85 mi0.85 mi8905+1097312+897312+896854(Top 26%)5552(Top 37%)5552(Top 500%)
25.2M25.20 mi0.35 mi8849+567270+427270+426636(Top 25%)5362(Top 35%)5362(Top 483%)
Finish26.22 mi1.02 mi8813+367234+367234+368584(Top 32%)6514(Top 43%)6514(Top 587%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10032

Males

8158

M60-64

8158

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9965

Males

8149

M60-64

8149

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10032

Males

8158

M60-64

8158

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9425

Males

7751

M60-64

7751

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9386

Males

7736

M60-64

7736

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9595

Males

7755

M60-64

7755

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8776

Males

7145

M60-64

7145

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8665

Males

6998

M60-64

6998

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8884

Males

6998

M60-64

6998

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9055

Males

7098

M60-64

7098

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7188

Males

5948

M60-64

5948

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6608

Males

5498

M60-64

5498

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6854

Males

5552

M60-64

5552

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6636

Males

5362

M60-64

5362

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8584

Males

6514

M60-64

6514

Passing Analysis

Category:
Athletes Passed
1965*
Passed By
1033
Net Change
+932
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9745
5K → 10K282349-67#9745#9812
10K → 15K163210-47#9812#9859
15K → 20K218*79+139#9859#9720
20K → Half3813+25#9720#9695
Half → 25K127117+10#9695#9685
25K → 30K268*70+198#9685#9487
30K → 20M12343+80#9487#9407
20M → 21M12248+74#9407#9333
21M → 35K5729+28#9333#9305
35K → 23M16816+152#9305#9153
23M → 24M1489+139#9153#9014
24M → 40K1156+109#9014#8905
40K → 25.2M615+56#8905#8849
25.2M → Finish7539+36#8849#8813
TOTALS1965*1033+932

* 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