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BOSTON MARATHON 2023

Thomas Matthews

Bib: 2831•M

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
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
19:43
Rank: #1618
Start → 5K
19:43 | 6:21/mi
10K· 6.21 mi
40:57
Rank: #3095 (-1477)
5K → 10K
21:14 | 6:50/mi
15K· 9.32 mi
1:03:08
Rank: #4741 (-1646)
10K → 15K
22:11 | 7:08/mi
20K· 12.43 mi
1:26:00
Rank: #5831 (-1090)
15K → 20K
22:52 | 7:22/mi
Half· 13.11 mi
1:30:50
Rank: #5916 (-85)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:49:23
Rank: #6452 (-536)
Half → 25K
18:33 | 7:39/mi
30K· 18.64 mi
2:13:35
Rank: #6783 (-331)
25K → 30K
24:12 | 7:47/mi
20M
2:24:35
Rank: #6997 (-214)
30K → 20M
11:00 | 8:06/mi
21M
2:33:13
Rank: #7156 (-159)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:39:41
Rank: #7464 (-308)
21M → 35K
6:28 | 8:39/mi
23M
2:53:36
Rank: #8840 (-1376)
35K → 23M
13:55 | 11:07/mi
24M
3:02:59
Rank: #9333 (-493)
23M → 24M
9:23 | 9:23/mi
40K· 24.85 mi
3:13:53
Rank: #10632 (-1299)
24M → 40K
10:54 | 12:45/mi
25.2M
3:18:03
Rank: #10997 (-365)
40K → 25.2M
4:10 | 12:05/mi
Finish· 26.22 mi
3:29:23
Rank: #12070 (-1073)
25.2M → Finish
11:20 | 11:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:50
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:58:33
Pace9:03 /mi
📊Positive Split: 30.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2719:436:2119:43
6:21
-
10K
6.21 mi10:41:4140:576:3521:14
6:50
+0:29
15K
9.32 mi11:03:521:03:086:4622:11
7:08
+0:18
20K
12.43 mi11:26:441:26:006:5522:52
7:22
+0:14
Half
13.11 mi11:31:341:30:506:564:50
7:05
-0:17
25K
15.53 mi11:50:071:49:237:0218:33
7:39
+0:34
30K
18.64 mi12:14:192:13:357:1024:12
7:47
+0:08
20M
20.00 mi12:25:192:24:357:1411:00
8:06
+0:19
21M
21.00 mi12:33:572:33:137:188:38
8:38
+0:32
35K
21.75 mi12:40:252:39:417:216:28
8:39
+0:01
23M
23.00 mi12:54:202:53:367:3313:55
11:07
+2:28
24M
24.00 mi13:03:433:02:597:379:23
9:23
-1:44
40K
24.85 mi13:14:373:13:537:4810:54
12:45
+3:22
25.2M
25.20 mi13:18:473:18:037:524:10
12:05
-0:40
Finish
26.22 mi13:30:073:29:238:0011:20
11:07
-0:58

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

6:21 /mi

Average Pace

8:00 /mi

Slowest Pace

12:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:47

22% of race

Time at Steady Pace

1:53:54

54% of race

Time at Slower Pace

49:42

24% of race

Average Pace: 7:59 /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 mi10:20:2719:436:2119:43
6:21
#1618
10K
6.21 mi10:41:4140:576:3521:14
6:50
#3095
15K
9.32 mi11:03:521:03:086:4622:11
7:08
#4741
20K
12.43 mi11:26:441:26:006:5522:52
7:22
#5831
Half
13.11 mi11:31:341:30:506:564:50
7:05
#5916
25K
15.53 mi11:50:071:49:237:0218:33
7:39
#6452
30K
18.64 mi12:14:192:13:357:1024:12
7:47
#6783
20M
20.00 mi12:25:192:24:357:1411:00
8:06
#6997
21M
21.00 mi12:33:572:33:137:188:38
8:38
#7156
35K
21.75 mi12:40:252:39:417:216:28
8:39
#7464
23M
23.00 mi12:54:202:53:367:3313:55
11:07
#8840
24M
24.00 mi13:03:433:02:597:379:23
9:23
#9333
40K
24.85 mi13:14:373:13:537:4810:54
12:45
#10632
25.2M
25.20 mi13:18:473:18:037:524:10
12:05
#10997
Finish
26.22 mi13:30:073:29:238:0011:20
11:07
#12070
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1618154215427407(Top 28%)6537(Top 43%)6537(Top 124%)
10K6.21 mi3.10 mi3095-14772945-14032945-14035628(Top 21%)5170(Top 34%)5170(Top 98%)
15K9.32 mi3.11 mi4741-16464414-14694414-14697407(Top 28%)6537(Top 43%)6537(Top 124%)
20K12.43 mi3.11 mi5831-10905353-9395353-9398219(Top 31%)7032(Top 46%)7032(Top 133%)
Half13.11 mi0.68 mi5916-855412-595412-597081(Top 27%)6298(Top 41%)6298(Top 119%)
25K15.53 mi2.42 mi6452-5365814-4025814-4029911(Top 37%)7936(Top 52%)7936(Top 150%)
30K18.64 mi3.11 mi6783-3316052-2386052-2389281(Top 35%)7448(Top 49%)7448(Top 141%)
20M20.00 mi1.36 mi6997-2146205-1536205-15310973(Top 41%)8245(Top 54%)8245(Top 156%)
21M21.00 mi1.00 mi7156-1596303-986303-9811244(Top 42%)8234(Top 54%)8234(Top 156%)
35K21.75 mi0.75 mi7464-3086478-1756478-17516047(Top 60%)10297(Top 68%)10297(Top 195%)
23M23.00 mi1.25 mi8840-13767325-8477325-84722559(Top 85%)13176(Top 87%)13176(Top 249%)
24M24.00 mi1.00 mi9333-4937596-2717596-27118750(Top 70%)11419(Top 75%)11419(Top 216%)
40K24.85 mi0.85 mi10632-12998242-6468242-64624713(Top 93%)14159(Top 93%)14159(Top 268%)
25.2M25.20 mi0.35 mi10997-3658417-1758417-17522607(Top 85%)13120(Top 86%)13120(Top 248%)
Finish26.22 mi1.02 mi12070-10738886-4698886-46924162(Top 91%)13905(Top 92%)13905(Top 263%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7407

Males

6537

M18-39

6537

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5628

Males

5170

M18-39

5170

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7407

Males

6537

M18-39

6537

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8219

Males

7032

M18-39

7032

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7081

Males

6298

M18-39

6298

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9911

Males

7936

M18-39

7936

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9281

Males

7448

M18-39

7448

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10973

Males

8245

M18-39

8245

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11244

Males

8234

M18-39

8234

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

16047

Males

10297

M18-39

10297

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22559

Males

13176

M18-39

13176

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18750

Males

11419

M18-39

11419

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24713

Males

14159

M18-39

14159

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22607

Males

13120

M18-39

13120

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24162

Males

13905

M18-39

13905

Passing Analysis

Category:
Athletes Passed
133
Passed By
10583
Net Change
-10452
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1618
5K → 10K01477-1477#1618#3095
10K → 15K31649-1646#3095#4741
15K → 20K51095-1090#4741#5831
20K → Half590-85#5831#5916
Half → 25K11547-536#5916#6452
25K → 30K41372-331#6452#6783
30K → 20M15229-214#6783#6997
20M → 21M27186-159#6997#7156
21M → 35K5313-308#7156#7464
35K → 23M41380-1376#7464#8840
23M → 24M9502-493#8840#9333
24M → 40K11298-1299#9333#10632
40K → 25.2M3368-365#10632#10997
25.2M → Finish41077-1073#10997#12070
TOTALS13310583-10452
📊

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