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BOSTON MARATHON 2023

Mason Stevens

Bib: 5782•M

MO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:48
Rank: #1709
Start → 5K
19:48 | 6:22/mi
10K· 6.21 mi
39:36
Rank: #1866 (-157)
5K → 10K
19:48 | 6:22/mi
15K· 9.32 mi
1:01:29
Rank: #3180 (-1314)
10K → 15K
21:53 | 7:03/mi
20K· 12.43 mi
1:21:28
Rank: #2775 (+405)
15K → 20K
19:59 | 6:26/mi
Half· 13.11 mi
1:25:49
Rank: #2716 (+59)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:41:45
Rank: #2680 (+36)
Half → 25K
15:56 | 6:34/mi
30K· 18.64 mi
2:02:53
Rank: #2705 (-25)
25K → 30K
21:08 | 6:48/mi
20M
2:12:07
Rank: #2674 (+31)
30K → 20M
9:14 | 6:48/mi
21M
2:19:25
Rank: #2670 (+4)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:24:20
Rank: #2657 (+13)
21M → 35K
4:55 | 6:34/mi
23M
2:32:56
Rank: #2646 (+11)
35K → 23M
8:36 | 6:52/mi
24M
2:39:33
Rank: #2623 (+23)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:45:23
Rank: #2621 (+2)
24M → 40K
5:50 | 6:49/mi
25.2M
2:47:49
Rank: #2598 (+23)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:54:15
Rank: #2526 (+72)
25.2M → Finish
6:26 | 6:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:49
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:28:26
Pace6:45 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4819:486:2219:48
6:22
-
10K
6.21 mi10:42:3639:366:2219:48
6:22
0:00
15K
9.32 mi11:04:291:01:296:3621:53
7:03
+0:41
20K
12.43 mi11:24:281:21:286:3319:59
6:26
-0:37
Half
13.11 mi11:28:491:25:496:334:21
6:23
-0:03
25K
15.53 mi11:44:451:41:456:3315:56
6:34
+0:11
30K
18.64 mi12:05:532:02:536:3621:08
6:48
+0:14
20M
20.00 mi12:15:072:12:076:369:14
6:48
0:00
21M
21.00 mi12:22:252:19:256:387:18
7:18
+0:30
35K
21.75 mi12:27:202:24:206:384:55
6:34
-0:44
23M
23.00 mi12:35:562:32:566:398:36
6:52
+0:18
24M
24.00 mi12:42:332:39:336:396:37
6:37
-0:15
40K
24.85 mi12:48:232:45:236:395:50
6:49
+0:12
25.2M
25.20 mi12:50:492:47:496:402:26
7:03
+0:14
Finish
26.22 mi12:57:152:54:156:396:26
6:19
-0:44

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

6:19 /mi

Average Pace

6:39 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:38

82% of race

Time at Steady Pace

31:37

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:22:4819:486:2219:48
6:22
#1709
10K
6.21 mi10:42:3639:366:2219:48
6:22
#1866
15K
9.32 mi11:04:291:01:296:3621:53
7:03
#3180
20K
12.43 mi11:24:281:21:286:3319:59
6:26
#2775
Half
13.11 mi11:28:491:25:496:334:21
6:23
#2716
25K
15.53 mi11:44:451:41:456:3315:56
6:34
#2680
30K
18.64 mi12:05:532:02:536:3621:08
6:48
#2705
20M
20.00 mi12:15:072:12:076:369:14
6:48
#2674
21M
21.00 mi12:22:252:19:256:387:18
7:18
#2670
35K
21.75 mi12:27:202:24:206:384:55
6:34
#2657
23M
23.00 mi12:35:562:32:566:398:36
6:52
#2646
24M
24.00 mi12:42:332:39:336:396:37
6:37
#2623
40K
24.85 mi12:48:232:45:236:395:50
6:49
#2621
25.2M
25.20 mi12:50:492:47:496:402:26
7:03
#2598
Finish
26.22 mi12:57:152:54:156:396:26
6:19
#2526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1709162916296813(Top 26%)6097(Top 40%)6097(Top 115%)
10K6.21 mi3.10 mi1866-1571786-1571786-1572106(Top 8%)2017(Top 13%)2017(Top 38%)
15K9.32 mi3.11 mi3180-13143027-12413027-12416813(Top 26%)6097(Top 40%)6097(Top 115%)
20K12.43 mi3.11 mi2775+4052652+3752652+3751952(Top 7%)1874(Top 12%)1874(Top 35%)
Half13.11 mi0.68 mi2716+592596+562596+562135(Top 8%)2051(Top 14%)2051(Top 39%)
25K15.53 mi2.42 mi2680+362560+362560+362552(Top 10%)2442(Top 16%)2442(Top 46%)
30K18.64 mi3.11 mi2705-252585-252585-252987(Top 11%)2825(Top 19%)2825(Top 53%)
20M20.00 mi1.36 mi2674+312555+302555+302756(Top 10%)2603(Top 17%)2603(Top 49%)
21M21.00 mi1.00 mi2670+42551+42551+43571(Top 13%)3311(Top 22%)3311(Top 63%)
35K21.75 mi0.75 mi2657+132540+112540+112812(Top 11%)2639(Top 17%)2639(Top 50%)
23M23.00 mi1.25 mi2646+112529+112529+113029(Top 11%)2824(Top 19%)2824(Top 53%)
24M24.00 mi1.00 mi2623+232507+222507+222636(Top 10%)2454(Top 16%)2454(Top 46%)
40K24.85 mi0.85 mi2621+22502+52502+52920(Top 11%)2687(Top 18%)2687(Top 51%)
25.2M25.20 mi0.35 mi2598+232480+222480+221930(Top 7%)1813(Top 12%)1813(Top 34%)
Finish26.22 mi1.02 mi2526+722409+712409+711682(Top 6%)1582(Top 10%)1582(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6813

Males

6097

M18-39

6097

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2106

Males

2017

M18-39

2017

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6813

Males

6097

M18-39

6097

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1952

Males

1874

M18-39

1874

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2135

Males

2051

M18-39

2051

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2552

Males

2442

M18-39

2442

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2987

Males

2825

M18-39

2825

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2756

Males

2603

M18-39

2603

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3571

Males

3311

M18-39

3311

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2812

Males

2639

M18-39

2639

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3029

Males

2824

M18-39

2824

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2636

Males

2454

M18-39

2454

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2920

Males

2687

M18-39

2687

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1930

Males

1813

M18-39

1813

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1682

Males

1582

M18-39

1582

Passing Analysis

Category:
Athletes Passed
994
Passed By
1811
Net Change
-817
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1709
5K → 10K32189-157#1709#1866
10K → 15K01314-1314#1866#3180
15K → 20K4083+405#3180#2775
20K → Half623+59#2775#2716
Half → 25K6327+36#2716#2680
25K → 30K6691-25#2680#2705
30K → 20M4918+31#2705#2674
20M → 21M3430+4#2674#2670
21M → 35K2815+13#2670#2657
35K → 23M4938+11#2657#2646
23M → 24M5835+23#2646#2623
24M → 40K3735+2#2623#2621
40K → 25.2M296+23#2621#2598
25.2M → Finish797+72#2598#2526
TOTALS9941811-817
📊

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