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BOSTON MARATHON 2023

Mathew Harris

Bib: 27083•M

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:22/mi
26:00
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
50:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:15:45
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:40:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:46:15
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:05:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:30:56
↑ 181↓ 1480.2%
20M
8:33/mi
2:42:33
↑ 64↓ 500.2%
21M
8:58/mi
2:51:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:57:44
↑ 17↓ 861.7%
23M
8:26/mi
3:08:17
↑ 23↓ 630.6%
24M
8:10/mi
3:16:27
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:23:25
↓ 200.3%
25.2M
8:30/mi
3:26:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:34:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:15
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:47:58
Pace8:14 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1326:008:2226:00
8:22
-
10K
6.21 mi12:08:0950:568:1224:56
8:02
-0:20
15K
9.32 mi12:32:581:15:458:0824:49
7:59
-0:03
20K
12.43 mi12:58:031:40:508:0725:05
8:04
+0:05
Half
13.11 mi13:03:281:46:158:065:25
7:56
-0:08
25K
15.53 mi13:22:422:05:298:0519:14
7:56
0:00
30K
18.64 mi13:48:092:30:568:0625:27
8:11
+0:15
20M
20.00 mi13:59:462:42:338:0811:37
8:33
+0:22
21M
21.00 mi14:08:442:51:318:108:58
8:58
+0:25
35K
21.75 mi14:14:572:57:448:106:13
8:19
-0:39
23M
23.00 mi14:25:303:08:178:1110:33
8:26
+0:07
24M
24.00 mi14:33:403:16:278:118:10
8:10
-0:16
40K
24.85 mi14:40:383:23:258:116:58
8:09
-0:01
25.2M
25.20 mi14:43:343:26:218:112:56
8:30
+0:21
Finish
26.22 mi14:51:263:34:138:117:52
7:43
-0:47

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

7:43 /mi

Average Pace

8:11 /mi

Slowest Pace

8:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:42

89% of race

Time at Steady Pace

23:31

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:43:1326:008:2226:00
8:22
#16623
10K
6.21 mi12:08:0950:568:1224:56
8:02
#15795
15K
9.32 mi12:32:581:15:458:0824:49
7:59
#15315
20K
12.43 mi12:58:031:40:508:0725:05
8:04
#14968
Half
13.11 mi13:03:281:46:158:065:25
7:56
#14907
25K
15.53 mi13:22:422:05:298:0519:14
7:56
#14487
30K
18.64 mi13:48:092:30:568:0625:27
8:11
#14083
20M
20.00 mi13:59:462:42:338:0811:37
8:33
#14058
21M
21.00 mi14:08:442:51:318:108:58
8:58
#13967
35K
21.75 mi14:14:572:57:448:106:13
8:19
#13958
23M
23.00 mi14:25:303:08:178:1110:33
8:26
#13861
24M
24.00 mi14:33:403:16:278:118:10
8:10
#13760
40K
24.85 mi14:40:383:23:258:116:58
8:09
#13637
25.2M
25.20 mi14:43:343:26:218:112:56
8:30
#13565
Finish
26.22 mi14:51:263:34:138:117:52
7:43
#13404
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16623109181091814272(Top 54%)10012(Top 66%)10012(Top 189%)
10K6.21 mi3.10 mi15795+82810620+29810620+29814977(Top 56%)10297(Top 68%)10297(Top 195%)
15K9.32 mi3.11 mi15315+48010432+18810432+18814272(Top 54%)10012(Top 66%)10012(Top 189%)
20K12.43 mi3.11 mi14968+34710285+14710285+14714033(Top 53%)9888(Top 65%)9888(Top 187%)
Half13.11 mi0.68 mi14907+6110258+2710258+2713837(Top 52%)9831(Top 65%)9831(Top 186%)
25K15.53 mi2.42 mi14487+42010076+18210076+18212157(Top 46%)8978(Top 59%)8978(Top 170%)
30K18.64 mi3.11 mi14083+4049870+2069870+20612284(Top 46%)8920(Top 59%)8920(Top 169%)
20M20.00 mi1.36 mi14058+259837+339837+3313908(Top 52%)9533(Top 63%)9533(Top 180%)
21M21.00 mi1.00 mi13967+919785+529785+5213194(Top 50%)9128(Top 60%)9128(Top 173%)
35K21.75 mi0.75 mi13958+99769+169769+1614122(Top 53%)9477(Top 62%)9477(Top 179%)
23M23.00 mi1.25 mi13861+979704+659704+6512738(Top 48%)8796(Top 58%)8796(Top 166%)
24M24.00 mi1.00 mi13760+1019636+689636+6812359(Top 46%)8570(Top 56%)8570(Top 162%)
40K24.85 mi0.85 mi13637+1239575+619575+6111016(Top 41%)7855(Top 52%)7855(Top 149%)
25.2M25.20 mi0.35 mi13565+729539+369539+369560(Top 36%)7086(Top 47%)7086(Top 134%)
Finish26.22 mi1.02 mi13404+1619450+899450+8910092(Top 38%)7346(Top 48%)7346(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14272

Males

10012

M18-39

10012

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14977

Males

10297

M18-39

10297

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14272

Males

10012

M18-39

10012

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14033

Males

9888

M18-39

9888

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13837

Males

9831

M18-39

9831

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12157

Males

8978

M18-39

8978

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12284

Males

8920

M18-39

8920

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13908

Males

9533

M18-39

9533

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13194

Males

9128

M18-39

9128

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14122

Males

9477

M18-39

9477

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12738

Males

8796

M18-39

8796

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12359

Males

8570

M18-39

8570

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11016

Males

7855

M18-39

7855

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9560

Males

7086

M18-39

7086

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10092

Males

7346

M18-39

7346

Passing Analysis

Category:
Athletes Passed
3687
Passed By
468
Net Change
+3219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16623
5K → 10K91486+828#16623#15795
10K → 15K51737+480#15795#15315
15K → 20K39346+347#15315#14968
20K → Half7312+61#14968#14907
Half → 25K4233+420#14907#14487
25K → 30K43228+404#14487#14083
30K → 20M10479+25#14083#14058
20M → 21M13645+91#14058#13967
21M → 35K5243+9#13967#13958
35K → 23M13538+97#13958#13861
23M → 24M13029+101#13861#13760
24M → 40K1285+123#13760#13637
40K → 25.2M742+72#13637#13565
25.2M → Finish17615+161#13565#13404
TOTALS3687468+3219
📊

Passing Visuals

Category:
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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