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BOSTON MARATHON 2023

John Henry

Bib: 23384•M

CA

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
Top 49%
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
8:51/mi
27:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:51/mi
55:01
↑ 79↓ 1380.4%
15K· 9.32 mi
9:00/mi
1:22:58
↑ 67↓ 78
20K· 12.43 mi
8:59/mi
1:50:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:56:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:56/mi
2:18:30
↑ 66↓ 880.2%
30K· 18.64 mi
9:17/mi
2:47:22
↑ 181↓ 1480.2%
20M
9:30/mi
3:00:16
↑ 64↓ 500.2%
21M
10:20/mi
3:10:36
↑ 106↓ 241.6%
35K· 21.75 mi
9:21/mi
3:17:36
↑ 17↓ 861.7%
23M
9:47/mi
3:29:51
↑ 23↓ 630.6%
24M
9:46/mi
3:39:37
↓ 821.3%
40K· 24.85 mi
10:15/mi
3:48:23
↓ 200.3%
25.2M
10:41/mi
3:52:04
↑ 13↓ 160.2%
Finish· 26.22 mi
9:47/mi
4:02:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:50
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:05:12
Pace9:33 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4727:308:5127:30
8:51
-
10K
6.21 mi11:50:1855:018:5127:31
8:51
0:00
15K
9.32 mi12:18:151:22:588:5427:57
9:00
+0:09
20K
12.43 mi12:46:101:50:538:5527:55
8:59
-0:01
Half
13.11 mi12:52:071:56:508:555:57
8:43
-0:16
25K
15.53 mi13:13:472:18:308:5521:40
8:56
+0:13
30K
18.64 mi13:42:392:47:228:5928:52
9:17
+0:21
20M
20.00 mi13:55:333:00:169:0112:54
9:30
+0:13
21M
21.00 mi14:05:533:10:369:0510:20
10:20
+0:50
35K
21.75 mi14:12:533:17:369:057:00
9:21
-0:59
23M
23.00 mi14:25:083:29:519:0712:15
9:47
+0:26
24M
24.00 mi14:34:543:39:379:099:46
9:46
-0:01
40K
24.85 mi14:43:403:48:239:118:46
10:15
+0:29
25.2M
25.20 mi14:47:213:52:049:133:41
10:41
+0:26
Finish
26.22 mi14:57:194:02:029:149:58
9:47
-0:54

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

8:43 /mi

Average Pace

9:14 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:30

57% of race

Time at Steady Pace

48:46

20% of race

Time at Slower Pace

54:46

23% of race

Average Pace: 9:14 /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 mi11:22:4727:308:5127:30
8:51
#19738
10K
6.21 mi11:50:1855:018:5127:31
8:51
#19946
15K
9.32 mi12:18:151:22:588:5427:57
9:00
#20127
20K
12.43 mi12:46:101:50:538:5527:55
8:59
#19974
Half
13.11 mi12:52:071:56:508:555:57
8:43
#19908
25K
15.53 mi13:13:472:18:308:5521:40
8:56
#19700
30K
18.64 mi13:42:392:47:228:5928:52
9:17
#19488
20M
20.00 mi13:55:333:00:169:0112:54
9:30
#19425
21M
21.00 mi14:05:533:10:369:0510:20
10:20
#19389
35K
21.75 mi14:12:533:17:369:057:00
9:21
#19395
23M
23.00 mi14:25:083:29:519:0712:15
9:47
#19417
24M
24.00 mi14:34:543:39:379:099:46
9:46
#19454
40K
24.85 mi14:43:403:48:239:118:46
10:15
#19530
25.2M
25.20 mi14:47:213:52:049:133:41
10:41
#19541
Finish
26.22 mi14:57:194:02:029:149:58
9:47
#19616
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi19738120631206320483(Top 77%)12515(Top 82%)12515(Top 2280%)
10K6.21 mi3.10 mi19946-20812189-12612189-12620198(Top 76%)12359(Top 81%)12359(Top 2251%)
15K9.32 mi3.11 mi20127-18112297-10812297-10820483(Top 77%)12515(Top 82%)12515(Top 2280%)
20K12.43 mi3.11 mi19974+15312241+5612241+5619617(Top 74%)12149(Top 80%)12149(Top 2213%)
Half13.11 mi0.68 mi19908+6612217+2412217+2419038(Top 72%)11914(Top 79%)11914(Top 2170%)
25K15.53 mi2.42 mi19700+20812144+7312144+7318640(Top 70%)11694(Top 77%)11694(Top 2130%)
30K18.64 mi3.11 mi19488+21212046+9812046+9818586(Top 70%)11602(Top 76%)11602(Top 2113%)
20M20.00 mi1.36 mi19425+6312000+4612000+4618830(Top 71%)11605(Top 76%)11605(Top 2114%)
21M21.00 mi1.00 mi19389+3611974+2611974+2619104(Top 72%)11687(Top 77%)11687(Top 2129%)
35K21.75 mi0.75 mi19395-611975-111975-119354(Top 73%)11755(Top 77%)11755(Top 2141%)
23M23.00 mi1.25 mi19417-2211983-811983-819377(Top 73%)11735(Top 77%)11735(Top 2138%)
24M24.00 mi1.00 mi19454-3711978+511978+520102(Top 76%)12050(Top 79%)12050(Top 2195%)
40K24.85 mi0.85 mi19530-7612002-2412002-2420614(Top 77%)12201(Top 80%)12201(Top 2222%)
25.2M25.20 mi0.35 mi19541-11120021200219623(Top 74%)11747(Top 77%)11747(Top 2140%)
Finish26.22 mi1.02 mi19616-7512026-2412026-2421066(Top 79%)12447(Top 82%)12447(Top 2267%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20483

Males

12515

M65-69

12515

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20198

Males

12359

M65-69

12359

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20483

Males

12515

M65-69

12515

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

19617

Males

12149

M65-69

12149

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19038

Males

11914

M65-69

11914

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18640

Males

11694

M65-69

11694

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18586

Males

11602

M65-69

11602

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18830

Males

11605

M65-69

11605

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19104

Males

11687

M65-69

11687

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19354

Males

11755

M65-69

11755

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19377

Males

11735

M65-69

11735

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20102

Males

12050

M65-69

12050

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20614

Males

12201

M65-69

12201

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19623

Males

11747

M65-69

11747

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21066

Males

12447

M65-69

12447

Passing Analysis

Category:
Athletes Passed
1593
Passed By
1471
Net Change
+122
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19738
5K → 10K211419-208#19738#19946
10K → 15K123304-181#19946#20127
15K → 20K24289+153#20127#19974
20K → Half737+66#19974#19908
Half → 25K24436+208#19908#19700
25K → 30K27462+212#19700#19488
30K → 20M10744+63#19488#19425
20M → 21M10266+36#19425#19389
21M → 35K3844-6#19389#19395
35K → 23M6991-22#19395#19417
23M → 24M4784-37#19417#19454
24M → 40K2399-76#19454#19530
40K → 25.2M1728-11#19530#19541
25.2M → Finish2398-75#19541#19616
TOTALS15931471+122
📊

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