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BOSTON MARATHON 2023

James Mckeiver

Bib: 3014•M

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 33%
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
21:07
Rank: #4651
Start → 5K
21:07 | 6:48/mi
10K· 6.21 mi
42:29
Rank: #5287 (-636)
5K → 10K
21:22 | 6:53/mi
15K· 9.32 mi
1:03:25
Rank: #5031 (+256)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:48
Rank: #5068 (-37)
15K → 20K
21:23 | 6:53/mi
Half· 13.11 mi
1:29:25
Rank: #5067 (+1)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:46:24
Rank: #5188 (-121)
Half → 25K
16:59 | 7:00/mi
30K· 18.64 mi
2:08:40
Rank: #5201 (-13)
25K → 30K
22:16 | 7:10/mi
20M
2:19:18
Rank: #5450 (-249)
30K → 20M
10:38 | 7:49/mi
21M
2:26:55
Rank: #5383 (+67)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:32:24
Rank: #5436 (-53)
21M → 35K
5:29 | 7:20/mi
23M
2:41:49
Rank: #5436
35K → 23M
9:25 | 7:31/mi
24M
2:49:23
Rank: #5499 (-63)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
2:56:11
Rank: #5579 (-80)
24M → 40K
6:48 | 7:57/mi
25.2M
2:59:10
Rank: #5613 (-34)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:05:59
Rank: #5474 (+139)
25.2M → Finish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:25
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:36:34
Pace7:22 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3921:076:4821:07
6:48
-
10K
6.21 mi10:44:0142:296:5021:22
6:53
+0:05
15K
9.32 mi11:04:571:03:256:4820:56
6:44
-0:09
20K
12.43 mi11:26:201:24:486:4921:23
6:53
+0:09
Half
13.11 mi11:30:571:29:256:494:37
6:46
-0:07
25K
15.53 mi11:47:561:46:246:5116:59
7:00
+0:14
30K
18.64 mi12:10:122:08:406:5422:16
7:10
+0:10
20M
20.00 mi12:20:502:19:186:5810:38
7:49
+0:39
21M
21.00 mi12:28:272:26:557:007:37
7:37
-0:12
35K
21.75 mi12:33:562:32:247:005:29
7:20
-0:17
23M
23.00 mi12:43:212:41:497:029:25
7:31
+0:11
24M
24.00 mi12:50:552:49:237:037:34
7:34
+0:03
40K
24.85 mi12:57:432:56:117:056:48
7:57
+0:23
25.2M
25.20 mi13:00:422:59:107:072:59
8:39
+0:42
Finish
26.22 mi13:07:313:05:597:066:49
6:41
-1:58

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

6:41 /mi

Average Pace

7:06 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:14

52% of race

Time at Steady Pace

44:44

24% of race

Time at Slower Pace

45:01

24% of race

Average Pace: 7:06 /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 mi10:22:3921:076:4821:07
6:48
#4651
10K
6.21 mi10:44:0142:296:5021:22
6:53
#5287
15K
9.32 mi11:04:571:03:256:4820:56
6:44
#5031
20K
12.43 mi11:26:201:24:486:4921:23
6:53
#5068
Half
13.11 mi11:30:571:29:256:494:37
6:46
#5067
25K
15.53 mi11:47:561:46:246:5116:59
7:00
#5188
30K
18.64 mi12:10:122:08:406:5422:16
7:10
#5201
20M
20.00 mi12:20:502:19:186:5810:38
7:49
#5450
21M
21.00 mi12:28:272:26:557:007:37
7:37
#5383
35K
21.75 mi12:33:562:32:247:005:29
7:20
#5436
23M
23.00 mi12:43:212:41:497:029:25
7:31
#5436
24M
24.00 mi12:50:552:49:237:037:34
7:34
#5499
40K
24.85 mi12:57:432:56:117:056:48
7:57
#5579
25.2M
25.20 mi13:00:422:59:107:072:59
8:39
#5613
Finish
26.22 mi13:07:313:05:597:066:49
6:41
#5474
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4651433443344502(Top 17%)4206(Top 28%)4206(Top 80%)
10K6.21 mi3.10 mi5287-6364891-5574891-5575960(Top 22%)5429(Top 36%)5429(Top 103%)
15K9.32 mi3.11 mi5031+2564671+2204671+2204502(Top 17%)4206(Top 28%)4206(Top 80%)
20K12.43 mi3.11 mi5068-374706-354706-355209(Top 20%)4813(Top 32%)4813(Top 91%)
Half13.11 mi0.68 mi5067+14705+14705+15019(Top 19%)4651(Top 31%)4651(Top 88%)
25K15.53 mi2.42 mi5188-1214808-1034808-1035600(Top 21%)5146(Top 34%)5146(Top 97%)
30K18.64 mi3.11 mi5201-134813-54813-55313(Top 20%)4848(Top 32%)4848(Top 92%)
20M20.00 mi1.36 mi5450-2495015-2025015-2029014(Top 34%)7189(Top 47%)7189(Top 136%)
21M21.00 mi1.00 mi5383+674952+634952+635180(Top 19%)4605(Top 30%)4605(Top 87%)
35K21.75 mi0.75 mi5436-534990-384990-387269(Top 27%)6042(Top 40%)6042(Top 114%)
23M23.00 mi1.25 mi54364983+74983+76517(Top 24%)5513(Top 36%)5513(Top 104%)
24M24.00 mi1.00 mi5499-635025-425025-428112(Top 30%)6368(Top 42%)6368(Top 120%)
40K24.85 mi0.85 mi5579-805079-545079-549678(Top 36%)7156(Top 47%)7156(Top 135%)
25.2M25.20 mi0.35 mi5613-345096-175096-1710330(Top 39%)7428(Top 49%)7428(Top 141%)
Finish26.22 mi1.02 mi5474+1394981+1154981+1153468(Top 13%)3110(Top 20%)3110(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4502

Males

4206

M18-39

4206

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5960

Males

5429

M18-39

5429

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4502

Males

4206

M18-39

4206

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5209

Males

4813

M18-39

4813

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5019

Males

4651

M18-39

4651

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5600

Males

5146

M18-39

5146

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5313

Males

4848

M18-39

4848

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9014

Males

7189

M18-39

7189

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5180

Males

4605

M18-39

4605

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7269

Males

6042

M18-39

6042

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6517

Males

5513

M18-39

5513

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8112

Males

6368

M18-39

6368

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9678

Males

7156

M18-39

7156

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10330

Males

7428

M18-39

7428

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3468

Males

3110

M18-39

3110

Passing Analysis

Category:
Athletes Passed
1049
Passed By
1872
Net Change
-823
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4651
5K → 10K49685-636#4651#5287
10K → 15K28125+256#5287#5031
15K → 20K90127-37#5031#5068
20K → Half2625+1#5068#5067
Half → 25K67188-121#5067#5188
25K → 30K130143-13#5188#5201
30K → 20M16265-249#5201#5450
20M → 21M9326+67#5450#5383
21M → 35K1871-53#5383#5436
35K → 23M71710#5436#5436
23M → 24M3194-63#5436#5499
24M → 40K21101-80#5499#5579
40K → 25.2M1246-34#5579#5613
25.2M → Finish1445+139#5613#5474
TOTALS10491872-823
📊

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