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BOSTON MARATHON 2023

James Robitaille

Bib: 27025•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Male)
#0 / 15176
Top 45%
Division (M18-39)
#0 / 5285
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
6:40/mi
20:44
↑ 97↓ 3451.5%
10K· 6.21 mi
6:46/mi
41:44
↑ 79↓ 1380.4%
15K· 9.32 mi
6:49/mi
1:02:54
↑ 67↓ 78
20K· 12.43 mi
6:51/mi
1:24:10
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:28:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:10/mi
1:46:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:11:54
↑ 181↓ 1480.2%
20M
8:47/mi
2:23:50
↑ 64↓ 500.2%
21M
9:06/mi
2:32:56
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:38:58
↑ 17↓ 861.7%
23M
8:13/mi
2:49:15
↑ 23↓ 630.6%
24M
8:21/mi
2:57:36
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:04:54
↓ 200.3%
25.2M
8:56/mi
3:07:59
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:16:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:50
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:47:17
Pace8:11 /mi
📊Positive Split: 20.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:37:4420:446:4020:44
6:40
-
10K
6.21 mi11:58:4441:446:4321:00
6:46
+0:06
15K
9.32 mi12:19:541:02:546:4521:10
6:49
+0:03
20K
12.43 mi12:41:101:24:106:4621:16
6:51
+0:02
Half
13.11 mi12:45:501:28:506:474:40
6:50
-0:01
25K
15.53 mi13:03:121:46:126:5017:22
7:10
+0:20
30K
18.64 mi13:28:542:11:547:0525:42
8:16
+1:06
20M
20.00 mi13:40:502:23:507:1111:56
8:47
+0:31
21M
21.00 mi13:49:562:32:567:179:06
9:06
+0:19
35K
21.75 mi13:55:582:38:587:196:02
8:04
-1:02
23M
23.00 mi14:06:152:49:157:2210:17
8:13
+0:09
24M
24.00 mi14:14:362:57:367:248:21
8:21
+0:08
40K
24.85 mi14:21:543:04:547:267:18
8:32
+0:11
25.2M
25.20 mi14:24:593:07:597:283:05
8:56
+0:24
Finish
26.22 mi14:33:073:16:077:298:08
7:59
-0:57

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

6:40 /mi

Average Pace

7:29 /mi

Slowest Pace

9:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:12

54% of race

Time at Steady Pace

58:30

30% of race

Time at Slower Pace

31:25

16% of race

Average Pace: 7:29 /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 mi11:37:4420:446:4020:44
6:40
#3444
10K
6.21 mi11:58:4441:446:4321:00
6:46
#4160
15K
9.32 mi12:19:541:02:546:4521:10
6:49
#4495
20K
12.43 mi12:41:101:24:106:4621:16
6:51
#4584
Half
13.11 mi12:45:501:28:506:474:40
6:50
#4620
25K
15.53 mi13:03:121:46:126:5017:22
7:10
#5063
30K
18.64 mi13:28:542:11:547:0525:42
8:16
#6267
20M
20.00 mi13:40:502:23:507:1111:56
8:47
#6781
21M
21.00 mi13:49:562:32:567:179:06
9:06
#7064
35K
21.75 mi13:55:582:38:587:196:02
8:04
#7233
23M
23.00 mi14:06:152:49:157:2210:17
8:13
#7399
24M
24.00 mi14:14:362:57:367:248:21
8:21
#7618
40K
24.85 mi14:21:543:04:547:267:18
8:32
#7853
25.2M
25.20 mi14:24:593:07:597:283:05
8:56
#7903
Finish
26.22 mi14:33:073:16:077:298:08
7:59
#8056
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3444324732475261(Top 20%)4865(Top 32%)4865(Top 92%)
10K6.21 mi3.10 mi4160-7163906-6593906-6594919(Top 18%)4564(Top 30%)4564(Top 86%)
15K9.32 mi3.11 mi4495-3354201-2954201-2955261(Top 20%)4865(Top 32%)4865(Top 92%)
20K12.43 mi3.11 mi4584-894279-784279-784887(Top 18%)4539(Top 30%)4539(Top 86%)
Half13.11 mi0.68 mi4620-364310-314310-315650(Top 21%)5210(Top 34%)5210(Top 99%)
25K15.53 mi2.42 mi5063-4434701-3914701-3916463(Top 24%)5775(Top 38%)5775(Top 109%)
30K18.64 mi3.11 mi6267-12045665-9645665-96412829(Top 48%)9154(Top 60%)9154(Top 173%)
20M20.00 mi1.36 mi6781-5146041-3766041-37615288(Top 57%)10103(Top 67%)10103(Top 191%)
21M21.00 mi1.00 mi7064-2836241-2006241-20013949(Top 52%)9462(Top 62%)9462(Top 179%)
35K21.75 mi0.75 mi7233-1696337-966337-9612525(Top 47%)8776(Top 58%)8776(Top 166%)
23M23.00 mi1.25 mi7399-1666416-796416-7911232(Top 42%)8081(Top 53%)8081(Top 153%)
24M24.00 mi1.00 mi7618-2196549-1336549-13313501(Top 51%)9077(Top 60%)9077(Top 172%)
40K24.85 mi0.85 mi7853-2356675-1266675-12613542(Top 51%)9018(Top 59%)9018(Top 171%)
25.2M25.20 mi0.35 mi7903-506702-276702-2712078(Top 45%)8272(Top 55%)8272(Top 157%)
Finish26.22 mi1.02 mi8056-1536772-706772-7011945(Top 45%)8243(Top 54%)8243(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5261

Males

4865

M18-39

4865

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4919

Males

4564

M18-39

4564

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5261

Males

4865

M18-39

4865

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

4887

Males

4539

M18-39

4539

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5650

Males

5210

M18-39

5210

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6463

Males

5775

M18-39

5775

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12829

Males

9154

M18-39

9154

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15288

Males

10103

M18-39

10103

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13949

Males

9462

M18-39

9462

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12525

Males

8776

M18-39

8776

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11232

Males

8081

M18-39

8081

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13501

Males

9077

M18-39

9077

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13542

Males

9018

M18-39

9018

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12078

Males

8272

M18-39

8272

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11945

Males

8243

M18-39

8243

Passing Analysis

Category:
Athletes Passed
339
Passed By
4951
Net Change
-4612
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3444
5K → 10K29745-716#3444#4160
10K → 15K54389-335#4160#4495
15K → 20K76165-89#4495#4584
20K → Half440-36#4584#4620
Half → 25K27470-443#4620#5063
25K → 30K81212-1204#5063#6267
30K → 20M4518-514#6267#6781
20M → 21M18301-283#6781#7064
21M → 35K7176-169#7064#7233
35K → 23M38204-166#7233#7399
23M → 24M17236-219#7399#7618
24M → 40K17252-235#7618#7853
40K → 25.2M1363-50#7853#7903
25.2M → Finish27180-153#7903#8056
TOTALS3394951-4612
📊

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