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BOSTON MARATHON 2023

Matthew Heinicke-Peart

Bib: 1975•M

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:38
Rank: #3150
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
40:18
Rank: #2410 (+740)
5K → 10K
19:40 | 6:20/mi
15K· 9.32 mi
59:50
Rank: #2095 (+315)
10K → 15K
19:32 | 6:17/mi
20K· 12.43 mi
1:18:56
Rank: #1723 (+372)
15K → 20K
19:06 | 6:09/mi
Half· 13.11 mi
1:23:02
Rank: #1680 (+43)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:37:56
Rank: #1505 (+175)
Half → 25K
14:54 | 6:09/mi
30K· 18.64 mi
1:57:33
Rank: #1360 (+145)
25K → 30K
19:37 | 6:19/mi
20M
2:06:11
Rank: #1327 (+33)
30K → 20M
8:38 | 6:21/mi
21M
2:12:53
Rank: #1303 (+24)
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:17:32
Rank: #1283 (+20)
21M → 35K
4:39 | 6:13/mi
23M
2:25:28
Rank: #1229 (+54)
35K → 23M
7:56 | 6:20/mi
24M
2:31:42
Rank: #1209 (+20)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:37:12
Rank: #1197 (+12)
24M → 40K
5:30 | 6:26/mi
25.2M
2:39:36
Rank: #1206 (-9)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:46:09
Rank: #1222 (-16)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:02
Pace6:20 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:07
Pace6:20 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3320:386:3820:38
6:38
-
10K
6.21 mi10:43:1340:186:2919:40
6:20
-0:18
15K
9.32 mi11:02:4559:506:2519:32
6:17
-0:03
20K
12.43 mi11:21:511:18:566:2119:06
6:09
-0:08
Half
13.11 mi11:25:571:23:026:204:06
6:01
-0:08
25K
15.53 mi11:40:511:37:566:1814:54
6:09
+0:08
30K
18.64 mi12:00:281:57:336:1819:37
6:19
+0:10
20M
20.00 mi12:09:062:06:116:198:38
6:21
+0:02
21M
21.00 mi12:15:482:12:536:206:42
6:42
+0:21
35K
21.75 mi12:20:272:17:326:194:39
6:13
-0:29
23M
23.00 mi12:28:232:25:286:197:56
6:20
+0:07
24M
24.00 mi12:34:372:31:426:196:14
6:14
-0:06
40K
24.85 mi12:40:072:37:126:195:30
6:26
+0:12
25.2M
25.20 mi12:42:312:39:366:202:24
6:58
+0:32
Finish
26.22 mi12:49:042:46:096:206:33
6:26
-0:32

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

6:01 /mi

Average Pace

6:20 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:25

82% of race

Time at Steady Pace

29:44

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /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 mi10:23:3320:386:3820:38
6:38
#3150
10K
6.21 mi10:43:1340:186:2919:40
6:20
#2410
15K
9.32 mi11:02:4559:506:2519:32
6:17
#2095
20K
12.43 mi11:21:511:18:566:2119:06
6:09
#1723
Half
13.11 mi11:25:571:23:026:204:06
6:01
#1680
25K
15.53 mi11:40:511:37:566:1814:54
6:09
#1505
30K
18.64 mi12:00:281:57:336:1819:37
6:19
#1360
20M
20.00 mi12:09:062:06:116:198:38
6:21
#1327
21M
21.00 mi12:15:482:12:536:206:42
6:42
#1303
35K
21.75 mi12:20:272:17:326:194:39
6:13
#1283
23M
23.00 mi12:28:232:25:286:197:56
6:20
#1229
24M
24.00 mi12:34:372:31:426:196:14
6:14
#1209
40K
24.85 mi12:40:072:37:126:195:30
6:26
#1197
25.2M
25.20 mi12:42:312:39:366:202:24
6:58
#1206
Finish
26.22 mi12:49:042:46:096:206:33
6:26
#1222
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3150297829781585(Top 6%)1513(Top 10%)1513(Top 29%)
10K6.21 mi3.10 mi2410+7402301+6772301+6771885(Top 7%)1804(Top 12%)1804(Top 34%)
15K9.32 mi3.11 mi2095+3152008+2932008+2931585(Top 6%)1513(Top 10%)1513(Top 29%)
20K12.43 mi3.11 mi1723+3721649+3591649+359905(Top 3%)860(Top 6%)860(Top 16%)
Half13.11 mi0.68 mi1680+431608+411608+41803(Top 3%)762(Top 5%)762(Top 14%)
25K15.53 mi2.42 mi1505+1751437+1711437+171861(Top 3%)816(Top 5%)816(Top 15%)
30K18.64 mi3.11 mi1360+1451298+1391298+139945(Top 4%)900(Top 6%)900(Top 17%)
20M20.00 mi1.36 mi1327+331268+301268+301012(Top 4%)968(Top 6%)968(Top 18%)
21M21.00 mi1.00 mi1303+241245+231245+231093(Top 4%)1039(Top 7%)1039(Top 20%)
35K21.75 mi0.75 mi1283+201224+211224+211289(Top 5%)1226(Top 8%)1226(Top 23%)
23M23.00 mi1.25 mi1229+541173+511173+51928(Top 3%)883(Top 6%)883(Top 17%)
24M24.00 mi1.00 mi1209+201153+201153+201120(Top 4%)1061(Top 7%)1061(Top 20%)
40K24.85 mi0.85 mi1197+121141+121141+121306(Top 5%)1233(Top 8%)1233(Top 23%)
25.2M25.20 mi0.35 mi1206-91149-81149-81590(Top 6%)1496(Top 10%)1496(Top 28%)
Finish26.22 mi1.02 mi1222-161165-161165-162108(Top 8%)1953(Top 13%)1953(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1585

Males

1513

M18-39

1513

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1885

Males

1804

M18-39

1804

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1585

Males

1513

M18-39

1513

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

905

Males

860

M18-39

860

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

803

Males

762

M18-39

762

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

861

Males

816

M18-39

816

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

945

Males

900

M18-39

900

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1012

Males

968

M18-39

968

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1093

Males

1039

M18-39

1039

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1289

Males

1226

M18-39

1226

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

928

Males

883

M18-39

883

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1120

Males

1061

M18-39

1061

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1306

Males

1233

M18-39

1233

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1590

Males

1496

M18-39

1496

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2108

Males

1953

M18-39

1953

Passing Analysis

Category:
Athletes Passed
2022
Passed By
94
Net Change
+1928
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3150
5K → 10K7433+740#3150#2410
10K → 15K3216+315#2410#2095
15K → 20K3720+372#2095#1723
20K → Half430+43#1723#1680
Half → 25K1750+175#1680#1505
25K → 30K1505+145#1505#1360
30K → 20M407+33#1360#1327
20M → 21M339+24#1327#1303
21M → 35K277+20#1303#1283
35K → 23M551+54#1283#1229
23M → 24M288+20#1229#1209
24M → 40K197+12#1209#1197
40K → 25.2M514-9#1197#1206
25.2M → Finish1127-16#1206#1222
TOTALS202294+1928
📊

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