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BOSTON MARATHON 2023

Aaron Matson

Bib: 13334•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:54
Rank: #11360
Start → 5K
23:54 | 7:42/mi
10K· 6.21 mi
47:08
Rank: #10777 (+583)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:10:20
Rank: #10459 (+318)
10K → 15K
23:12 | 7:28/mi
20K· 12.43 mi
1:33:43
Rank: #10198 (+261)
15K → 20K
23:23 | 7:32/mi
Half· 13.11 mi
1:38:50
Rank: #10188 (+10)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:57:07
Rank: #9967 (+221)
Half → 25K
18:17 | 7:32/mi
30K· 18.64 mi
2:21:13
Rank: #9781 (+186)
25K → 30K
24:06 | 7:45/mi
20M
2:31:52
Rank: #9685 (+96)
30K → 20M
10:39 | 7:50/mi
21M
2:40:24
Rank: #9719 (-34)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:46:56
Rank: #9985 (-266)
21M → 35K
6:32 | 8:44/mi
23M
2:56:46
Rank: #9890 (+95)
35K → 23M
9:50 | 7:51/mi
24M
3:04:30
Rank: #9832 (+58)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
3:11:20
Rank: #9816 (+16)
24M → 40K
6:50 | 8:00/mi
25.2M
3:14:14
Rank: #9784 (+32)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:22:40
Rank: #9939 (-155)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:43:50
Pace7:55 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1623:547:4223:54
7:42
-
10K
6.21 mi11:15:3047:087:3523:14
7:29
-0:13
15K
9.32 mi11:38:421:10:207:3323:12
7:28
-0:01
20K
12.43 mi12:02:051:33:437:3223:23
7:32
+0:04
Half
13.11 mi12:07:121:38:507:325:07
7:30
-0:02
25K
15.53 mi12:25:291:57:077:3218:17
7:32
+0:02
30K
18.64 mi12:49:352:21:137:3524:06
7:45
+0:13
20M
20.00 mi13:00:142:31:527:3610:39
7:50
+0:05
21M
21.00 mi13:08:462:40:247:388:32
8:32
+0:42
35K
21.75 mi13:15:182:46:567:416:32
8:44
+0:12
23M
23.00 mi13:25:082:56:467:419:50
7:51
-0:53
24M
24.00 mi13:32:523:04:307:417:44
7:44
-0:07
40K
24.85 mi13:39:423:11:207:426:50
8:00
+0:16
25.2M
25.20 mi13:42:363:14:147:422:54
8:25
+0:25
Finish
26.22 mi13:51:023:22:407:448:26
8:17
-0:08

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

7:28 /mi

Average Pace

7:44 /mi

Slowest Pace

8:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:16

87% of race

Time at Steady Pace

26:24

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:52:1623:547:4223:54
7:42
#11360
10K
6.21 mi11:15:3047:087:3523:14
7:29
#10777
15K
9.32 mi11:38:421:10:207:3323:12
7:28
#10459
20K
12.43 mi12:02:051:33:437:3223:23
7:32
#10198
Half
13.11 mi12:07:121:38:507:325:07
7:30
#10188
25K
15.53 mi12:25:291:57:077:3218:17
7:32
#9967
30K
18.64 mi12:49:352:21:137:3524:06
7:45
#9781
20M
20.00 mi13:00:142:31:527:3610:39
7:50
#9685
21M
21.00 mi13:08:462:40:247:388:32
8:32
#9719
35K
21.75 mi13:15:182:46:567:416:32
8:44
#9985
23M
23.00 mi13:25:082:56:467:419:50
7:51
#9890
24M
24.00 mi13:32:523:04:307:417:44
7:44
#9832
40K
24.85 mi13:39:423:11:207:426:50
8:00
#9816
25.2M
25.20 mi13:42:363:14:147:422:54
8:25
#9784
Finish
26.22 mi13:51:023:22:407:448:26
8:17
#9939
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi11360882488249908(Top 37%)8098(Top 53%)8098(Top 360%)
10K6.21 mi3.10 mi10777+5838549+2758549+27510274(Top 39%)8318(Top 55%)8318(Top 369%)
15K9.32 mi3.11 mi10459+3188401+1488401+1489908(Top 37%)8098(Top 53%)8098(Top 360%)
20K12.43 mi3.11 mi10198+2618259+1428259+1429505(Top 36%)7803(Top 51%)7803(Top 346%)
Half13.11 mi0.68 mi10188+108247+128247+1210191(Top 38%)8203(Top 54%)8203(Top 364%)
25K15.53 mi2.42 mi9967+2218117+1308117+1309081(Top 34%)7490(Top 49%)7490(Top 333%)
30K18.64 mi3.11 mi9781+1867974+1437974+1439030(Top 34%)7299(Top 48%)7299(Top 324%)
20M20.00 mi1.36 mi9685+967888+867888+869139(Top 34%)7277(Top 48%)7277(Top 323%)
21M21.00 mi1.00 mi9719-347894-67894-610656(Top 40%)7936(Top 52%)7936(Top 352%)
35K21.75 mi0.75 mi9985-2668011-1178011-11716535(Top 62%)10487(Top 69%)10487(Top 466%)
23M23.00 mi1.25 mi9890+957931+807931+808758(Top 33%)6839(Top 45%)6839(Top 304%)
24M24.00 mi1.00 mi9832+587869+627869+629283(Top 35%)7035(Top 46%)7035(Top 312%)
40K24.85 mi0.85 mi9816+167828+417828+419969(Top 37%)7320(Top 48%)7320(Top 325%)
25.2M25.20 mi0.35 mi9784+327799+297799+298932(Top 34%)6705(Top 44%)6705(Top 298%)
Finish26.22 mi1.02 mi9939-1557860-617860-6113911(Top 52%)9198(Top 61%)9198(Top 408%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9908

Males

8098

M45-49

8098

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10274

Males

8318

M45-49

8318

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9908

Males

8098

M45-49

8098

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9505

Males

7803

M45-49

7803

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10191

Males

8203

M45-49

8203

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9081

Males

7490

M45-49

7490

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9030

Males

7299

M45-49

7299

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9139

Males

7277

M45-49

7277

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10656

Males

7936

M45-49

7936

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16535

Males

10487

M45-49

10487

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8758

Males

6839

M45-49

6839

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9283

Males

7035

M45-49

7035

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9969

Males

7320

M45-49

7320

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8932

Males

6705

M45-49

6705

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13911

Males

9198

M45-49

9198

Passing Analysis

Category:
Athletes Passed
2490*
Passed By
1069
Net Change
+1421
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11360
5K → 10K686103+583#11360#10777
10K → 15K38971+318#10777#10459
15K → 20K298*37+261#10459#10198
20K → Half3828+10#10198#10188
Half → 25K257*36+221#10188#9967
25K → 30K252*66+186#9967#9781
30K → 20M13640+96#9781#9685
20M → 21M5589-34#9685#9719
21M → 35K13279-266#9719#9985
35K → 23M12227+95#9985#9890
23M → 24M9133+58#9890#9832
24M → 40K75*59+16#9832#9816
40K → 25.2M4614+32#9816#9784
25.2M → Finish32*187-155#9784#9939
TOTALS2490*1069+1421

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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