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BOSTON MARATHON 2023

Matthew Zanchi

Bib: 1706•M

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 4%
Division (M18-39)
#0 / 5285
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:29
Rank: #1329
Start → 5K
19:29 | 6:16/mi
10K· 6.21 mi
38:42
Rank: #1278 (+51)
5K → 10K
19:13 | 6:11/mi
15K· 9.32 mi
57:53
Rank: #1222 (+56)
10K → 15K
19:11 | 6:10/mi
20K· 12.43 mi
1:17:07
Rank: #1162 (+60)
15K → 20K
19:14 | 6:11/mi
Half· 13.11 mi
1:21:15
Rank: #1149 (+13)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:36:08
Rank: #1089 (+60)
Half → 25K
14:53 | 6:08/mi
30K· 18.64 mi
1:55:24
Rank: #991 (+98)
25K → 30K
19:16 | 6:12/mi
20M
2:03:42
Rank: #938 (+53)
30K → 20M
8:18 | 6:06/mi
21M
2:10:09
Rank: #906 (+32)
20M → 21M
6:27 | 6:27/mi
35K· 21.75 mi
2:14:31
Rank: #875 (+31)
21M → 35K
4:22 | 5:50/mi
23M
2:21:55
Rank: #806 (+69)
35K → 23M
7:24 | 5:55/mi
24M
2:27:47
Rank: #773 (+33)
23M → 24M
5:52 | 5:52/mi
40K· 24.85 mi
2:32:49
Rank: #736 (+37)
24M → 40K
5:02 | 5:53/mi
25.2M
2:34:57
Rank: #719 (+17)
40K → 25.2M
2:08 | 6:11/mi
Finish· 26.22 mi
2:40:25
Rank: #652 (+67)
25.2M → Finish
5:28 | 5:22/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:21:15
Pace6:12 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:19:10
Pace6:02 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5419:296:1619:29
6:16
-
10K
6.21 mi10:40:0738:426:1419:13
6:11
-0:05
15K
9.32 mi10:59:1857:536:1319:11
6:10
-0:01
20K
12.43 mi11:18:321:17:076:1219:14
6:11
+0:01
Half
13.11 mi11:22:401:21:156:124:08
6:03
-0:08
25K
15.53 mi11:37:331:36:086:1114:53
6:08
+0:05
30K
18.64 mi11:56:491:55:246:1119:16
6:12
+0:04
20M
20.00 mi12:05:072:03:426:118:18
6:06
-0:06
21M
21.00 mi12:11:342:10:096:126:27
6:27
+0:21
35K
21.75 mi12:15:562:14:316:114:22
5:50
-0:37
23M
23.00 mi12:23:202:21:556:107:24
5:55
+0:05
24M
24.00 mi12:29:122:27:476:095:52
5:52
-0:03
40K
24.85 mi12:34:142:32:496:095:02
5:53
+0:01
25.2M
25.20 mi12:36:222:34:576:092:08
6:11
+0:18
Finish
26.22 mi12:41:502:40:256:075:28
5:22
-0:49

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

5:22 /mi

Average Pace

6:07 /mi

Slowest Pace

6:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:08

18% of race

Time at Steady Pace

1:46:21

66% of race

Time at Slower Pace

25:56

16% of race

Average Pace: 6:07 /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 mi10:20:5419:296:1619:29
6:16
#1329
10K
6.21 mi10:40:0738:426:1419:13
6:11
#1278
15K
9.32 mi10:59:1857:536:1319:11
6:10
#1222
20K
12.43 mi11:18:321:17:076:1219:14
6:11
#1162
Half
13.11 mi11:22:401:21:156:124:08
6:03
#1149
25K
15.53 mi11:37:331:36:086:1114:53
6:08
#1089
30K
18.64 mi11:56:491:55:246:1119:16
6:12
#991
20M
20.00 mi12:05:072:03:426:118:18
6:06
#938
21M
21.00 mi12:11:342:10:096:126:27
6:27
#906
35K
21.75 mi12:15:562:14:316:114:22
5:50
#875
23M
23.00 mi12:23:202:21:556:107:24
5:55
#806
24M
24.00 mi12:29:122:27:476:095:52
5:52
#773
40K
24.85 mi12:34:142:32:496:095:02
5:53
#736
25.2M
25.20 mi12:36:222:34:576:092:08
6:11
#719
Finish
26.22 mi12:41:502:40:256:075:28
5:22
#652
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1329126212621153(Top 4%)1099(Top 7%)1099(Top 21%)
10K6.21 mi3.10 mi1278+511213+491213+491278(Top 5%)1215(Top 8%)1215(Top 23%)
15K9.32 mi3.11 mi1222+561159+541159+541153(Top 4%)1099(Top 7%)1099(Top 21%)
20K12.43 mi3.11 mi1162+601106+531106+531023(Top 4%)973(Top 6%)973(Top 18%)
Half13.11 mi0.68 mi1149+131093+131093+13894(Top 3%)851(Top 6%)851(Top 16%)
25K15.53 mi2.42 mi1089+601034+591034+59833(Top 3%)789(Top 5%)789(Top 15%)
30K18.64 mi3.11 mi991+98941+93941+93683(Top 3%)646(Top 4%)646(Top 12%)
20M20.00 mi1.36 mi938+53890+51890+51498(Top 2%)464(Top 3%)464(Top 9%)
21M21.00 mi1.00 mi906+32859+31859+31565(Top 2%)531(Top 3%)531(Top 10%)
35K21.75 mi0.75 mi875+31829+30829+30425(Top 2%)394(Top 3%)394(Top 7%)
23M23.00 mi1.25 mi806+69762+67762+67227(Top 0.9%)203(Top 1%)203(Top 4%)
24M24.00 mi1.00 mi773+33730+32730+32345(Top 1%)319(Top 2%)319(Top 6%)
40K24.85 mi0.85 mi736+37694+36694+36211(Top 0.8%)189(Top 1%)189(Top 4%)
25.2M25.20 mi0.35 mi719+17677+17677+17161(Top 0.6%)144(Top 0.9%)144(Top 3%)
Finish26.22 mi1.02 mi652+67611+66611+6654(Top 0.2%)47(Top 0.3%)47(Top 0.9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1153

Males

1099

M18-39

1099

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1278

Males

1215

M18-39

1215

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1153

Males

1099

M18-39

1099

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1023

Males

973

M18-39

973

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

894

Males

851

M18-39

851

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

833

Males

789

M18-39

789

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

683

Males

646

M18-39

646

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

498

Males

464

M18-39

464

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

565

Males

531

M18-39

531

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

425

Males

394

M18-39

394

35K→23M

21.8 - 23.0 mi

Top 0.9%
×5stories
+23ft-63ft

Overall

227

Males

203

M18-39

203

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

345

Males

319

M18-39

319

24M→40K

24.0 - 24.9 mi

Top 0.8%
×1story
+6ft-20ft

Overall

211

Males

189

M18-39

189

40K→25.2M

24.9 - 25.2 mi

Top 0.6%
×1story
+13ft-16ft

Overall

161

Males

144

M18-39

144

25.2M→Finish

25.2 - 26.2 mi

Top 0.2%
×2stories
+22ft-21ft

Overall

54

Males

47

M18-39

47

Passing Analysis

Category:
Athletes Passed
761
Passed By
84
Net Change
+677
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1329
5K → 10K10554+51#1329#1278
10K → 15K7115+56#1278#1222
15K → 20K688+60#1222#1162
20K → Half130+13#1162#1149
Half → 25K600+60#1149#1089
25K → 30K1035+98#1089#991
30K → 20M530+53#991#938
20M → 21M331+32#938#906
21M → 35K310+31#906#875
35K → 23M690+69#875#806
23M → 24M330+33#806#773
24M → 40K381+37#773#736
40K → 25.2M170+17#736#719
25.2M → Finish670+67#719#652
TOTALS76184+677
📊

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