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BOSTON MARATHON 2023

Christopher Mason

Bib: 29969•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:40
Rank: #23114
Start → 5K
30:40 | 9:52/mi
10K· 6.21 mi
1:01:21
Rank: #23330 (-216)
5K → 10K
30:41 | 9:53/mi
15K· 9.32 mi
1:32:58
Rank: #23549 (-219)
10K → 15K
31:37 | 10:11/mi
20K· 12.43 mi
2:03:32
Rank: #23298 (+251)
15K → 20K
30:34 | 9:50/mi
Half· 13.11 mi
2:10:07
Rank: #23255 (+43)
20K → Half
6:35 | 9:39/mi
25K· 15.53 mi
2:34:18
Rank: #23026 (+229)
Half → 25K
24:11 | 9:58/mi
30K· 18.64 mi
3:05:23
Rank: #22681 (+345)
25K → 30K
31:05 | 10:00/mi
20M
3:19:15
Rank: #22552 (+129)
30K → 20M
13:52 | 10:12/mi
21M
3:30:09
Rank: #22437 (+115)
20M → 21M
10:54 | 10:54/mi
35K· 21.75 mi
3:37:30
Rank: #22381 (+56)
21M → 35K
7:21 | 9:49/mi
23M
3:49:52
Rank: #22232 (+149)
35K → 23M
12:22 | 9:53/mi
24M
4:00:20
Rank: #22212 (+20)
23M → 24M
10:28 | 10:28/mi
40K· 24.85 mi
4:09:16
Rank: #22180 (+32)
24M → 40K
8:56 | 10:27/mi
25.2M
4:12:50
Rank: #22123 (+57)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
4:21:47
Rank: #21990 (+133)
25.2M → Finish
8:57 | 8:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:07
Pace9:56 /mi
2nd Half
Distance13.11 mi
Time2:11:40
Pace10:03 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4730:409:5230:40
9:52
-
10K
6.21 mi12:23:281:01:219:5230:41
9:53
+0:01
15K
9.32 mi12:55:051:32:589:5831:37
10:11
+0:18
20K
12.43 mi13:25:392:03:329:5630:34
9:50
-0:21
Half
13.11 mi13:32:142:10:079:566:35
9:39
-0:11
25K
15.53 mi13:56:252:34:189:5624:11
9:58
+0:19
30K
18.64 mi14:27:303:05:239:5731:05
10:00
+0:02
20M
20.00 mi14:41:223:19:159:5813:52
10:12
+0:12
21M
21.00 mi14:52:163:30:0910:0010:54
10:54
+0:42
35K
21.75 mi14:59:373:37:3010:007:21
9:49
-1:05
23M
23.00 mi15:11:593:49:5210:0012:22
9:53
+0:04
24M
24.00 mi15:22:274:00:2010:0110:28
10:28
+0:35
40K
24.85 mi15:31:234:09:1610:028:56
10:27
-0:01
25.2M
25.20 mi15:34:574:12:5010:023:34
10:21
-0:06
Finish
26.22 mi15:43:544:21:4710:008:57
8:47
-1:34

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

8:47 /mi

Average Pace

10:00 /mi

Slowest Pace

10:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:32

6% of race

Time at Steady Pace

3:18:31

76% of race

Time at Slower Pace

47:44

18% of race

Average Pace: 9:59 /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 mi11:52:4730:409:5230:40
9:52
#23114
10K
6.21 mi12:23:281:01:219:5230:41
9:53
#23330
15K
9.32 mi12:55:051:32:589:5831:37
10:11
#23549
20K
12.43 mi13:25:392:03:329:5630:34
9:50
#23298
Half
13.11 mi13:32:142:10:079:566:35
9:39
#23255
25K
15.53 mi13:56:252:34:189:5624:11
9:58
#23026
30K
18.64 mi14:27:303:05:239:5731:05
10:00
#22681
20M
20.00 mi14:41:223:19:159:5813:52
10:12
#22552
21M
21.00 mi14:52:163:30:0910:0010:54
10:54
#22437
35K
21.75 mi14:59:373:37:3010:007:21
9:49
#22381
23M
23.00 mi15:11:593:49:5210:0012:22
9:53
#22232
24M
24.00 mi15:22:274:00:2010:0110:28
10:28
#22212
40K
24.85 mi15:31:234:09:1610:028:56
10:27
#22180
25.2M
25.20 mi15:34:574:12:5010:023:34
10:21
#22123
Finish
26.22 mi15:43:544:21:4710:008:57
8:47
#21990
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23114136351363523822(Top 89%)14003(Top 92%)14003(Top 265%)
10K6.21 mi3.10 mi23330-21613768-13313768-13323431(Top 88%)13824(Top 91%)13824(Top 262%)
15K9.32 mi3.11 mi23549-21913888-12013888-12023822(Top 89%)14003(Top 92%)14003(Top 265%)
20K12.43 mi3.11 mi23298+25113767+12113767+12122486(Top 84%)13389(Top 88%)13389(Top 253%)
Half13.11 mi0.68 mi23255+4313743+2413743+2422501(Top 85%)13399(Top 88%)13399(Top 254%)
25K15.53 mi2.42 mi23026+22913636+10713636+10722155(Top 83%)13210(Top 87%)13210(Top 250%)
30K18.64 mi3.11 mi22681+34513437+19913437+19921043(Top 79%)12652(Top 83%)12652(Top 239%)
20M20.00 mi1.36 mi22552+12913365+7213365+7221018(Top 79%)12578(Top 83%)12578(Top 238%)
21M21.00 mi1.00 mi22437+11513305+6013305+6020600(Top 77%)12342(Top 81%)12342(Top 234%)
35K21.75 mi0.75 mi22381+5613278+2713278+2720826(Top 78%)12404(Top 82%)12404(Top 235%)
23M23.00 mi1.25 mi22232+14913206+7213206+7219637(Top 74%)11862(Top 78%)11862(Top 224%)
24M24.00 mi1.00 mi22212+2013195+1113195+1121958(Top 82%)12858(Top 85%)12858(Top 243%)
40K24.85 mi0.85 mi22180+3213175+2013175+2021087(Top 79%)12403(Top 82%)12403(Top 235%)
25.2M25.20 mi0.35 mi22123+5713140+3513140+3518602(Top 70%)11311(Top 75%)11311(Top 214%)
Finish26.22 mi1.02 mi21990+13313071+6913071+6916940(Top 64%)10591(Top 70%)10591(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23822

Males

14003

M18-39

14003

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23431

Males

13824

M18-39

13824

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23822

Males

14003

M18-39

14003

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22486

Males

13389

M18-39

13389

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22501

Males

13399

M18-39

13399

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22155

Males

13210

M18-39

13210

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

21043

Males

12652

M18-39

12652

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

21018

Males

12578

M18-39

12578

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20600

Males

12342

M18-39

12342

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

20826

Males

12404

M18-39

12404

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19637

Males

11862

M18-39

11862

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21958

Males

12858

M18-39

12858

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21087

Males

12403

M18-39

12403

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18602

Males

11311

M18-39

11311

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

16940

Males

10591

M18-39

10591

Passing Analysis

Category:
Athletes Passed
1885
Passed By
761
Net Change
+1124
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23114
5K → 10K126342-216#23114#23330
10K → 15K54273-219#23330#23549
15K → 20K28332+251#23549#23298
20K → Half507+43#23298#23255
Half → 25K24617+229#23255#23026
25K → 30K3527+345#23026#22681
30K → 20M1345+129#22681#22552
20M → 21M12510+115#22552#22437
21M → 35K648+56#22437#22381
35K → 23M1567+149#22381#22232
23M → 24M5030+20#22232#22212
24M → 40K5321+32#22212#22180
40K → 25.2M570+57#22180#22123
25.2M → Finish1352+133#22123#21990
TOTALS1885761+1124
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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