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BOSTON MARATHON 2023

John Christian

Bib: 13122•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
8:53/mi
27:35
↑ 97↓ 3451.5%
10K· 6.21 mi
8:38/mi
54:23
↑ 79↓ 1380.4%
15K· 9.32 mi
8:29/mi
1:20:44
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:47:33
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:53:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:51/mi
2:14:51
↑ 66↓ 880.2%
30K· 18.64 mi
9:25/mi
2:44:05
↑ 181↓ 1480.2%
20M
9:33/mi
2:57:03
↑ 64↓ 500.2%
21M
11:12/mi
3:08:15
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
3:15:23
↑ 17↓ 861.7%
23M
10:09/mi
3:28:06
↑ 23↓ 630.6%
24M
9:48/mi
3:37:54
↓ 821.3%
40K· 24.85 mi
9:44/mi
3:46:13
↓ 200.3%
25.2M
10:12/mi
3:49:44
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
3:58:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:24
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:05:19
Pace9:34 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3727:358:5327:35
8:53
-
10K
6.21 mi12:19:2554:238:4526:48
8:38
-0:15
15K
9.32 mi12:45:461:20:448:4026:21
8:29
-0:09
20K
12.43 mi13:12:351:47:338:3926:49
8:38
+0:09
Half
13.11 mi13:18:261:53:248:395:51
8:34
-0:04
25K
15.53 mi13:39:532:14:518:4121:27
8:51
+0:17
30K
18.64 mi14:09:072:44:058:4829:14
9:25
+0:34
20M
20.00 mi14:22:052:57:038:5112:58
9:33
+0:08
21M
21.00 mi14:33:173:08:158:5811:12
11:12
+1:39
35K
21.75 mi14:40:253:15:238:597:08
9:32
-1:40
23M
23.00 mi14:53:083:28:069:0312:43
10:09
+0:37
24M
24.00 mi15:02:563:37:549:059:48
9:48
-0:21
40K
24.85 mi15:11:153:46:139:068:19
9:44
-0:04
25.2M
25.20 mi15:14:463:49:449:073:31
10:12
+0:28
Finish
26.22 mi15:23:453:58:439:078:59
8:49
-1:23

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

8:29 /mi

Average Pace

9:07 /mi

Slowest Pace

11:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:50

60% of race

Time at Steady Pace

57:39

24% of race

Time at Slower Pace

37:14

16% of race

Average Pace: 9:06 /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 mi11:52:3727:358:5327:35
8:53
#19878
10K
6.21 mi12:19:2554:238:4526:48
8:38
#19415
15K
9.32 mi12:45:461:20:448:4026:21
8:29
#18815
20K
12.43 mi13:12:351:47:338:3926:49
8:38
#18529
Half
13.11 mi13:18:261:53:248:395:51
8:34
#18514
25K
15.53 mi13:39:532:14:518:4121:27
8:51
#18463
30K
18.64 mi14:09:072:44:058:4829:14
9:25
#18597
20M
20.00 mi14:22:052:57:038:5112:58
9:33
#18624
21M
21.00 mi14:33:173:08:158:5811:12
11:12
#18884
35K
21.75 mi14:40:253:15:238:597:08
9:32
#18929
23M
23.00 mi14:53:083:28:069:0312:43
10:09
#19068
24M
24.00 mi15:02:563:37:549:059:48
9:48
#19128
40K
24.85 mi15:11:153:46:139:068:19
9:44
#19151
25.2M
25.20 mi15:14:463:49:449:073:31
10:12
#19129
Finish
26.22 mi15:23:453:58:439:078:59
8:49
#19078
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi19878121241212417677(Top 66%)11340(Top 75%)11340(Top 504%)
10K6.21 mi3.10 mi19415+46311985+13911985+13918974(Top 71%)11884(Top 78%)11884(Top 528%)
15K9.32 mi3.11 mi18815+60011778+20711778+20717677(Top 66%)11340(Top 75%)11340(Top 504%)
20K12.43 mi3.11 mi18529+28611689+8911689+8917683(Top 66%)11330(Top 75%)11330(Top 503%)
Half13.11 mi0.68 mi18514+1511685+411685+418159(Top 68%)11565(Top 76%)11565(Top 514%)
25K15.53 mi2.42 mi18463+5111633+5211633+5218203(Top 68%)11515(Top 76%)11515(Top 511%)
30K18.64 mi3.11 mi18597-13411656-2311656-2319074(Top 72%)11818(Top 78%)11818(Top 525%)
20M20.00 mi1.36 mi18624-2711657-111657-119010(Top 71%)11684(Top 77%)11684(Top 519%)
21M21.00 mi1.00 mi18884-26011766-10911766-10921253(Top 80%)12627(Top 83%)12627(Top 561%)
35K21.75 mi0.75 mi18929-4511772-611772-619939(Top 75%)12020(Top 79%)12020(Top 534%)
23M23.00 mi1.25 mi19068-13911825-5311825-5320439(Top 77%)12217(Top 81%)12217(Top 542%)
24M24.00 mi1.00 mi19128-6011840-1511840-1520205(Top 76%)12090(Top 80%)12090(Top 537%)
40K24.85 mi0.85 mi19151-2311845-511845-519097(Top 72%)11533(Top 76%)11533(Top 512%)
25.2M25.20 mi0.35 mi19129+2211833+1211833+1218093(Top 68%)11076(Top 73%)11076(Top 492%)
Finish26.22 mi1.02 mi19078+5111804+2911804+2917101(Top 64%)10658(Top 70%)10658(Top 473%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17677

Males

11340

M45-49

11340

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18974

Males

11884

M45-49

11884

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17677

Males

11340

M45-49

11340

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17683

Males

11330

M45-49

11330

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18159

Males

11565

M45-49

11565

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18203

Males

11515

M45-49

11515

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19074

Males

11818

M45-49

11818

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

19010

Males

11684

M45-49

11684

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21253

Males

12627

M45-49

12627

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19939

Males

12020

M45-49

12020

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20439

Males

12217

M45-49

12217

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20205

Males

12090

M45-49

12090

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19097

Males

11533

M45-49

11533

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18093

Males

11076

M45-49

11076

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17101

Males

10658

M45-49

10658

Passing Analysis

Category:
Athletes Passed
2260
Passed By
1460
Net Change
+800
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19878
5K → 10K610147+463#19878#19415
10K → 15K63131+600#19415#18815
15K → 20K32640+286#18815#18529
20K → Half3217+15#18529#18514
Half → 25K159108+51#18514#18463
25K → 30K137271-134#18463#18597
30K → 20M80107-27#18597#18624
20M → 21M21281-260#18624#18884
21M → 35K2974-45#18884#18929
35K → 23M41180-139#18929#19068
23M → 24M3999-60#19068#19128
24M → 40K4467-23#19128#19151
40K → 25.2M3715+22#19151#19129
25.2M → Finish7423+51#19129#19078
TOTALS22601460+800
📊

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