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BOSTON MARATHON 2023

Christopher Long

Bib: 24605•M

KS

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
9:50/mi
30:32
↑ 97↓ 3451.5%
10K· 6.21 mi
10:13/mi
1:02:15
↑ 79↓ 1380.4%
15K· 9.32 mi
10:12/mi
1:33:55
↑ 67↓ 78
20K· 12.43 mi
10:53/mi
2:07:43
↑ 106↓ 860.1%
Half· 13.11 mi
10:26/mi
2:14:50
↑ 19↓ 370.5%
25K· 15.53 mi
11:30/mi
2:42:42
↑ 66↓ 880.2%
30K· 18.64 mi
11:18/mi
3:17:48
↑ 181↓ 1480.2%
20M
12:20/mi
3:34:34
↑ 64↓ 500.2%
21M
12:20/mi
3:46:54
↑ 106↓ 241.6%
35K· 21.75 mi
11:43/mi
3:55:40
↑ 17↓ 861.7%
23M
11:56/mi
4:10:37
↑ 23↓ 630.6%
24M
11:05/mi
4:21:42
↓ 821.3%
40K· 24.85 mi
10:54/mi
4:31:01
↓ 200.3%
25.2M
11:07/mi
4:34:51
↑ 13↓ 160.2%
Finish· 26.22 mi
9:43/mi
4:44:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:50
Pace10:17 /mi
2nd Half
Distance13.11 mi
Time2:29:55
Pace11:26 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3930:329:5030:32
9:50
-
10K
6.21 mi12:17:221:02:1510:0131:43
10:13
+0:23
15K
9.32 mi12:49:021:33:5510:0531:40
10:12
-0:01
20K
12.43 mi13:22:502:07:4310:1733:48
10:53
+0:41
Half
13.11 mi13:29:572:14:5010:177:07
10:26
-0:27
25K
15.53 mi13:57:492:42:4210:2827:52
11:30
+1:04
30K
18.64 mi14:32:553:17:4810:3735:06
11:18
-0:12
20M
20.00 mi14:49:413:34:3410:4416:46
12:20
+1:02
21M
21.00 mi15:02:013:46:5410:4812:20
12:20
0:00
35K
21.75 mi15:10:473:55:4010:508:46
11:43
-0:37
23M
23.00 mi15:25:444:10:3710:5414:57
11:56
+0:13
24M
24.00 mi15:36:494:21:4210:5411:05
11:05
-0:51
40K
24.85 mi15:46:084:31:0110:549:19
10:54
-0:11
25.2M
25.20 mi15:49:584:34:5110:543:50
11:07
+0:13
Finish
26.22 mi15:59:524:44:4510:529:54
9:43
-1:24

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

9:43 /mi

Average Pace

10:52 /mi

Slowest Pace

12:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:56

39% of race

Time at Steady Pace

1:33:08

33% of race

Time at Slower Pace

1:20:41

28% of race

Average Pace: 10:52 /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 mi11:45:3930:329:5030:32
9:50
#22996
10K
6.21 mi12:17:221:02:1510:0131:43
10:13
#23656
15K
9.32 mi12:49:021:33:5510:0531:40
10:12
#23758
20K
12.43 mi13:22:502:07:4310:1733:48
10:53
#23973
Half
13.11 mi13:29:572:14:5010:177:07
10:26
#23971
25K
15.53 mi13:57:492:42:4210:2827:52
11:30
#24115
30K
18.64 mi14:32:553:17:4810:3735:06
11:18
#24008
20M
20.00 mi14:49:413:34:3410:4416:46
12:20
#24082
21M
21.00 mi15:02:013:46:5410:4812:20
12:20
#24051
35K
21.75 mi15:10:473:55:4010:508:46
11:43
#24069
23M
23.00 mi15:25:444:10:3710:5414:57
11:56
#24056
24M
24.00 mi15:36:494:21:4210:5411:05
11:05
#24022
40K
24.85 mi15:46:084:31:0110:549:19
10:54
#23970
25.2M
25.20 mi15:49:584:34:5110:543:50
11:07
#23932
Finish
26.22 mi15:59:524:44:4510:529:54
9:43
#23864
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22996135881358823854(Top 90%)14017(Top 92%)14017(Top 622%)
10K6.21 mi3.10 mi23656-66013932-34413932-34424151(Top 91%)14160(Top 93%)14160(Top 629%)
15K9.32 mi3.11 mi23758-10213982-5013982-5023854(Top 90%)14017(Top 92%)14017(Top 622%)
20K12.43 mi3.11 mi23973-21514078-9614078-9624440(Top 92%)14247(Top 94%)14247(Top 633%)
Half13.11 mi0.68 mi23971+214075+314075+324066(Top 90%)14097(Top 93%)14097(Top 626%)
25K15.53 mi2.42 mi24115-14414122-4714122-4724655(Top 93%)14317(Top 94%)14317(Top 636%)
30K18.64 mi3.11 mi24008+10714062+6014062+6023580(Top 89%)13786(Top 91%)13786(Top 612%)
20M20.00 mi1.36 mi24082-7414077-1514077-1524576(Top 92%)14174(Top 93%)14174(Top 629%)
21M21.00 mi1.00 mi24051+3114060+1714060+1723242(Top 87%)13545(Top 89%)13545(Top 601%)
35K21.75 mi0.75 mi24069-18140601406024373(Top 92%)14029(Top 92%)14029(Top 623%)
23M23.00 mi1.25 mi24056+1314042+1814042+1823914(Top 90%)13818(Top 91%)13818(Top 614%)
24M24.00 mi1.00 mi24022+3414023+1914023+1923192(Top 87%)13436(Top 89%)13436(Top 597%)
40K24.85 mi0.85 mi23970+5213991+3213991+3222141(Top 83%)12908(Top 85%)12908(Top 573%)
25.2M25.20 mi0.35 mi23932+3813972+1913972+1920718(Top 78%)12269(Top 81%)12269(Top 545%)
Finish26.22 mi1.02 mi23864+6813940+3213940+3220854(Top 78%)12353(Top 81%)12353(Top 549%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23854

Males

14017

M45-49

14017

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24151

Males

14160

M45-49

14160

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23854

Males

14017

M45-49

14017

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24440

Males

14247

M45-49

14247

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

24066

Males

14097

M45-49

14097

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24655

Males

14317

M45-49

14317

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23580

Males

13786

M45-49

13786

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24576

Males

14174

M45-49

14174

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23242

Males

13545

M45-49

13545

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

24373

Males

14029

M45-49

14029

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23914

Males

13818

M45-49

13818

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23192

Males

13436

M45-49

13436

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22141

Males

12908

M45-49

12908

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20718

Males

12269

M45-49

12269

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20854

Males

12353

M45-49

12353

Passing Analysis

Category:
Athletes Passed
752
Passed By
1620
Net Change
-868
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22996
5K → 10K34694-660#22996#23656
10K → 15K84186-102#23656#23758
15K → 20K46261-215#23758#23973
20K → Half2826+2#23973#23971
Half → 25K50194-144#23971#24115
25K → 30K15548+107#24115#24008
30K → 20M27101-74#24008#24082
20M → 21M5524+31#24082#24051
21M → 35K1432-18#24051#24069
35K → 23M4330+13#24069#24056
23M → 24M428+34#24056#24022
24M → 40K619+52#24022#23970
40K → 25.2M413+38#23970#23932
25.2M → Finish724+68#23932#23864
TOTALS7521620-868
📊

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