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BOSTON MARATHON 2023

Christopher Rockwood

Bib: 26173•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
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
9:36/mi
29:48
↑ 97↓ 3451.5%
10K· 6.21 mi
9:19/mi
58:46
↑ 79↓ 1380.4%
15K· 9.32 mi
9:07/mi
1:27:07
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:55:27
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
2:01:34
↑ 19↓ 370.5%
25K· 15.53 mi
9:43/mi
2:25:08
↑ 66↓ 880.2%
30K· 18.64 mi
11:02/mi
2:59:26
↑ 181↓ 1480.2%
20M
11:03/mi
3:14:27
↑ 64↓ 500.2%
21M
13:10/mi
3:27:37
↑ 106↓ 241.6%
35K· 21.75 mi
10:01/mi
3:35:07
↑ 17↓ 861.7%
23M
11:24/mi
3:49:23
↑ 23↓ 630.6%
24M
10:23/mi
3:59:46
↓ 821.3%
40K· 24.85 mi
10:44/mi
4:08:57
↓ 200.3%
25.2M
10:29/mi
4:12:34
↑ 13↓ 160.2%
Finish· 26.22 mi
10:22/mi
4:23:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:34
Pace9:16 /mi
2nd Half
Distance13.11 mi
Time2:21:34
Pace10:48 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3529:489:3629:48
9:36
-
10K
6.21 mi12:21:3358:469:2728:58
9:19
-0:17
15K
9.32 mi12:49:541:27:079:2128:21
9:07
-0:12
20K
12.43 mi13:18:141:55:279:1728:20
9:07
0:00
Half
13.11 mi13:24:212:01:349:166:07
8:58
-0:09
25K
15.53 mi13:47:552:25:089:2123:34
9:43
+0:45
30K
18.64 mi14:22:132:59:269:3834:18
11:02
+1:19
20M
20.00 mi14:37:143:14:279:4315:01
11:03
+0:01
21M
21.00 mi14:50:243:27:379:5313:10
13:10
+2:07
35K
21.75 mi14:57:543:35:079:537:30
10:01
-3:09
23M
23.00 mi15:12:103:49:239:5814:16
11:24
+1:23
24M
24.00 mi15:22:333:59:469:5910:23
10:23
-1:01
40K
24.85 mi15:31:444:08:5710:019:11
10:44
+0:21
25.2M
25.20 mi15:35:214:12:3410:013:37
10:29
-0:15
Finish
26.22 mi15:45:554:23:0810:0310:34
10:22
-0:07

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

8:58 /mi

Average Pace

10:03 /mi

Slowest Pace

13:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:08

55% of race

Time at Steady Pace

41:15

16% of race

Time at Slower Pace

1:16:45

29% of race

Average Pace: 10:02 /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 mi11:52:3529:489:3629:48
9:36
#22352
10K
6.21 mi12:21:3358:469:2728:58
9:19
#22224
15K
9.32 mi12:49:541:27:079:2128:21
9:07
#21833
20K
12.43 mi13:18:141:55:279:1728:20
9:07
#21475
Half
13.11 mi13:24:212:01:349:166:07
8:58
#21414
25K
15.53 mi13:47:552:25:089:2123:34
9:43
#21410
30K
18.64 mi14:22:132:59:269:3834:18
11:02
#21842
20M
20.00 mi14:37:143:14:279:4315:01
11:03
#21941
21M
21.00 mi14:50:243:27:379:5313:10
13:10
#22151
35K
21.75 mi14:57:543:35:079:537:30
10:01
#22109
23M
23.00 mi15:12:103:49:239:5814:16
11:24
#22170
24M
24.00 mi15:22:333:59:469:5910:23
10:23
#22161
40K
24.85 mi15:31:444:08:5710:019:11
10:44
#22143
25.2M
25.20 mi15:35:214:12:3410:013:37
10:29
#22100
Finish
26.22 mi15:45:554:23:0810:0310:34
10:22
#22115
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22352132781327821037(Top 79%)12764(Top 84%)12764(Top 570%)
10K6.21 mi3.10 mi22224+12813239+3913239+3922002(Top 83%)13162(Top 87%)13162(Top 587%)
15K9.32 mi3.11 mi21833+39113068+17113068+17121037(Top 79%)12764(Top 84%)12764(Top 570%)
20K12.43 mi3.11 mi21475+35812915+15312915+15320220(Top 76%)12408(Top 82%)12408(Top 554%)
Half13.11 mi0.68 mi21414+6112895+2012895+2020296(Top 76%)12441(Top 82%)12441(Top 555%)
25K15.53 mi2.42 mi21410+412898-312898-321523(Top 81%)12935(Top 85%)12935(Top 577%)
30K18.64 mi3.11 mi21842-43213076-17813076-17823143(Top 87%)13581(Top 89%)13581(Top 606%)
20M20.00 mi1.36 mi21941-9913108-3213108-3222780(Top 86%)13359(Top 88%)13359(Top 596%)
21M21.00 mi1.00 mi22151-21013188-8013188-8024267(Top 91%)14009(Top 92%)14009(Top 625%)
35K21.75 mi0.75 mi22109+4213161+2713161+2721327(Top 80%)12640(Top 83%)12640(Top 564%)
23M23.00 mi1.25 mi22170-6113178-1713178-1723058(Top 87%)13418(Top 88%)13418(Top 599%)
24M24.00 mi1.00 mi22161+913165+1313165+1321741(Top 82%)12748(Top 84%)12748(Top 569%)
40K24.85 mi0.85 mi22143+1813157+813157+821806(Top 82%)12742(Top 84%)12742(Top 569%)
25.2M25.20 mi0.35 mi22100+4313130+2713130+2719057(Top 72%)11513(Top 76%)11513(Top 514%)
Finish26.22 mi1.02 mi22115-1513125+513125+522717(Top 85%)13185(Top 87%)13185(Top 588%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21037

Males

12764

M40-44

12764

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

22002

Males

13162

M40-44

13162

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21037

Males

12764

M40-44

12764

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20220

Males

12408

M40-44

12408

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20296

Males

12441

M40-44

12441

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21523

Males

12935

M40-44

12935

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23143

Males

13581

M40-44

13581

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22780

Males

13359

M40-44

13359

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

24267

Males

14009

M40-44

14009

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21327

Males

12640

M40-44

12640

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23058

Males

13418

M40-44

13418

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21741

Males

12748

M40-44

12748

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21806

Males

12742

M40-44

12742

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19057

Males

11513

M40-44

11513

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22717

Males

13185

M40-44

13185

Passing Analysis

Category:
Athletes Passed
1629
Passed By
1392
Net Change
+237
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22352
5K → 10K318190+128#22352#22224
10K → 15K42433+391#22224#21833
15K → 20K37416+358#21833#21475
20K → Half654+61#21475#21414
Half → 25K9995+4#21414#21410
25K → 30K47479-432#21410#21842
30K → 20M41140-99#21842#21941
20M → 21M17227-210#21941#22151
21M → 35K508+42#22151#22109
35K → 23M3192-61#22109#22170
23M → 24M4435+9#22170#22161
24M → 40K4729+18#22161#22143
40K → 25.2M452+43#22143#22100
25.2M → Finish2742-15#22100#22115
TOTALS16291392+237
📊

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