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BOSTON MARATHON 2023

Mathew Swanson

Bib: 4801•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Masters (Masters Men)
#0 / 9891
Top 7%
Division (M45-49)
#0 / 2252
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #4045
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
41:30
Rank: #3760 (+285)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:02:00
Rank: #3577 (+183)
10K → 15K
20:30 | 6:36/mi
20K· 12.43 mi
1:22:33
Rank: #3397 (+180)
15K → 20K
20:33 | 6:37/mi
Half· 13.11 mi
1:27:02
Rank: #3381 (+16)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:43:07
Rank: #3262 (+119)
Half → 25K
16:05 | 6:38/mi
30K· 18.64 mi
2:04:03
Rank: #3071 (+191)
25K → 30K
20:56 | 6:44/mi
20M
2:13:18
Rank: #3035 (+36)
30K → 20M
9:15 | 6:48/mi
21M
2:20:41
Rank: #3086 (-51)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:25:58
Rank: #3162 (-76)
21M → 35K
5:17 | 7:04/mi
23M
2:34:42
Rank: #3171 (-9)
35K → 23M
8:44 | 6:59/mi
24M
2:41:17
Rank: #3112 (+59)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:46:51
Rank: #2994 (+118)
24M → 40K
5:34 | 6:31/mi
25.2M
2:49:19
Rank: #2961 (+33)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:55:53
Rank: #2901 (+60)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:02
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:28:51
Pace6:47 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1620:576:4520:57
6:45
-
10K
6.21 mi10:43:4941:306:4120:33
6:37
-0:08
15K
9.32 mi11:04:191:02:006:3920:30
6:36
-0:01
20K
12.43 mi11:24:521:22:336:3920:33
6:37
+0:01
Half
13.11 mi11:29:211:27:026:384:29
6:34
-0:03
25K
15.53 mi11:45:261:43:076:3816:05
6:38
+0:04
30K
18.64 mi12:06:222:04:036:3920:56
6:44
+0:06
20M
20.00 mi12:15:372:13:186:409:15
6:48
+0:04
21M
21.00 mi12:23:002:20:416:427:23
7:23
+0:35
35K
21.75 mi12:28:172:25:586:435:17
7:04
-0:19
23M
23.00 mi12:37:012:34:426:448:44
6:59
-0:05
24M
24.00 mi12:43:362:41:176:436:35
6:35
-0:24
40K
24.85 mi12:49:102:46:516:435:34
6:31
-0:04
25.2M
25.20 mi12:51:382:49:196:432:28
7:09
+0:38
Finish
26.22 mi12:58:122:55:536:436:34
6:27
-0:42

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

6:27 /mi

Average Pace

6:43 /mi

Slowest Pace

7:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:02

94% of race

Time at Steady Pace

9:51

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:23:1620:576:4520:57
6:45
#4045
10K
6.21 mi10:43:4941:306:4120:33
6:37
#3760
15K
9.32 mi11:04:191:02:006:3920:30
6:36
#3577
20K
12.43 mi11:24:521:22:336:3920:33
6:37
#3397
Half
13.11 mi11:29:211:27:026:384:29
6:34
#3381
25K
15.53 mi11:45:261:43:076:3816:05
6:38
#3262
30K
18.64 mi12:06:222:04:036:3920:56
6:44
#3071
20M
20.00 mi12:15:372:13:186:409:15
6:48
#3035
21M
21.00 mi12:23:002:20:416:427:23
7:23
#3086
35K
21.75 mi12:28:172:25:586:435:17
7:04
#3162
23M
23.00 mi12:37:012:34:426:448:44
6:59
#3171
24M
24.00 mi12:43:362:41:176:436:35
6:35
#3112
40K
24.85 mi12:49:102:46:516:435:34
6:31
#2994
25.2M
25.20 mi12:51:382:49:196:432:28
7:09
#2961
Finish
26.22 mi12:58:122:55:536:436:34
6:27
#2901
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4045379237923273(Top 12%)3108(Top 20%)3108(Top 138%)
10K6.21 mi3.10 mi3760+2853543+2493543+2493590(Top 13%)3390(Top 22%)3390(Top 151%)
15K9.32 mi3.11 mi3577+1833382+1613382+1613273(Top 12%)3108(Top 20%)3108(Top 138%)
20K12.43 mi3.11 mi3397+1803223+1593223+1592954(Top 11%)2814(Top 19%)2814(Top 125%)
Half13.11 mi0.68 mi3381+163210+133210+133205(Top 12%)3055(Top 20%)3055(Top 136%)
25K15.53 mi2.42 mi3262+1193107+1033107+1032905(Top 11%)2775(Top 18%)2775(Top 123%)
30K18.64 mi3.11 mi3071+1912926+1812926+1812611(Top 10%)2482(Top 16%)2482(Top 110%)
20M20.00 mi1.36 mi3035+362892+342892+342852(Top 11%)2687(Top 18%)2687(Top 119%)
21M21.00 mi1.00 mi3086-512931-392931-394030(Top 15%)3708(Top 24%)3708(Top 165%)
35K21.75 mi0.75 mi3162-762999-682999-685620(Top 21%)4951(Top 33%)4951(Top 220%)
23M23.00 mi1.25 mi3171-93008-93008-93640(Top 14%)3364(Top 22%)3364(Top 149%)
24M24.00 mi1.00 mi3112+592950+582950+582469(Top 9%)2305(Top 15%)2305(Top 102%)
40K24.85 mi0.85 mi2994+1182839+1112839+1111592(Top 6%)1502(Top 10%)1502(Top 67%)
25.2M25.20 mi0.35 mi2961+332806+332806+332315(Top 9%)2148(Top 14%)2148(Top 95%)
Finish26.22 mi1.02 mi2901+602749+572749+572219(Top 8%)2059(Top 14%)2059(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3273

Males

3108

M45-49

3108

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3590

Males

3390

M45-49

3390

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3273

Males

3108

M45-49

3108

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2954

Males

2814

M45-49

2814

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3205

Males

3055

M45-49

3055

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2905

Males

2775

M45-49

2775

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2611

Males

2482

M45-49

2482

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2852

Males

2687

M45-49

2687

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4030

Males

3708

M45-49

3708

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5620

Males

4951

M45-49

4951

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3640

Males

3364

M45-49

3364

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2469

Males

2305

M45-49

2305

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1592

Males

1502

M45-49

1502

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2315

Males

2148

M45-49

2148

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2219

Males

2059

M45-49

2059

Passing Analysis

Category:
Athletes Passed
1633
Passed By
489
Net Change
+1144
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4045
5K → 10K393108+285#4045#3760
10K → 15K21633+183#3760#3577
15K → 20K19616+180#3577#3397
20K → Half248+16#3397#3381
Half → 25K13920+119#3381#3262
25K → 30K20615+191#3262#3071
30K → 20M6024+36#3071#3035
20M → 21M2980-51#3035#3086
21M → 35K1288-76#3086#3162
35K → 23M5261-9#3162#3171
23M → 24M7314+59#3171#3112
24M → 40K1213+118#3112#2994
40K → 25.2M407+33#2994#2961
25.2M → Finish7212+60#2961#2901
TOTALS1633489+1144
📊

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