Boston Marathon logo
BOSTON MARATHON 2023

Matthew Novak

Bib: 3843•M

IL

0:00
0:00
/ mi
Be the first to cheer!
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
19:42
Rank: #1586
Start → 5K
6:20/mi
19:42 split
10K· 6.21 mi
38:38
Rank: #1244 (+342)
5K → 10K
6:06/mi
18:56 split
15K· 9.32 mi
57:21
Rank: #1085 (+159)
10K → 15K
6:01/mi
18:43 split
20K· 12.43 mi
1:16:04
Rank: #967 (+118)
15K → 20K
6:01/mi
18:43 split
Half· 13.11 mi
1:20:06
Rank: #941 (+26)
20K → Half
5:55/mi
4:02 split
25K· 15.53 mi
1:34:51
Rank: #888 (+53)
Half → 25K
6:05/mi
14:45 split
30K· 18.64 mi
1:54:05
Rank: #823 (+65)
25K → 30K
6:11/mi
19:14 split
20M
2:02:25
Rank: #794 (+29)
30K → 20M
6:08/mi
8:20 split
21M
2:08:55
Rank: #775 (+19)
20M → 21M
6:30/mi
6:30 split
35K· 21.75 mi
2:13:20
Rank: #765 (+10)
21M → 35K
5:54/mi
4:25 split
23M
2:21:03
Rank: #747 (+18)
35K → 23M
6:10/mi
7:43 split
24M
2:27:02
Rank: #719 (+28)
23M → 24M
5:59/mi
5:59 split
40K· 24.85 mi
2:32:18
Rank: #700 (+19)
24M → 40K
6:10/mi
5:16 split
25.2M
2:34:34
Rank: #687 (+13)
40K → 25.2M
6:34/mi
2:16 split
Finish· 26.22 mi
2:40:32
Rank: #662 (+25)
25.2M → Finish
5:51/mi
5:58 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:20:06
Pace6:07 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:20:26
Pace6:08 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1919:426:2019:42
6:20
-
10K
6.21 mi10:40:1538:386:1318:56
6:06
-0:14
15K
9.32 mi10:58:5857:216:0918:43
6:01
-0:05
20K
12.43 mi11:17:411:16:046:0718:43
6:01
0:00
Half
13.11 mi11:21:431:20:066:074:02
5:55
-0:06
25K
15.53 mi11:36:281:34:516:0614:45
6:05
+0:10
30K
18.64 mi11:55:421:54:056:0719:14
6:11
+0:06
20M
20.00 mi12:04:022:02:256:078:20
6:08
-0:03
21M
21.00 mi12:10:322:08:556:086:30
6:30
+0:22
35K
21.75 mi12:14:572:13:206:084:25
5:54
-0:36
23M
23.00 mi12:22:402:21:036:087:43
6:10
+0:16
24M
24.00 mi12:28:392:27:026:085:59
5:59
-0:11
40K
24.85 mi12:33:552:32:186:085:16
6:10
+0:11
25.2M
25.20 mi12:36:112:34:346:082:16
6:34
+0:24
Finish
26.22 mi12:42:092:40:326:085:58
5:51
-0:43

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

5:51 /mi

Average Pace

6:08 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:46

95% of race

Time at Steady Pace

8:46

5% of race

Time at Slower Pace

0:00

0% 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 mi10:21:1919:426:2019:42
6:20
#1586
10K
6.21 mi10:40:1538:386:1318:56
6:06
#1244
15K
9.32 mi10:58:5857:216:0918:43
6:01
#1085
20K
12.43 mi11:17:411:16:046:0718:43
6:01
#967
Half
13.11 mi11:21:431:20:066:074:02
5:55
#941
25K
15.53 mi11:36:281:34:516:0614:45
6:05
#888
30K
18.64 mi11:55:421:54:056:0719:14
6:11
#823
20M
20.00 mi12:04:022:02:256:078:20
6:08
#794
21M
21.00 mi12:10:322:08:556:086:30
6:30
#775
35K
21.75 mi12:14:572:13:206:084:25
5:54
#765
23M
23.00 mi12:22:402:21:036:087:43
6:10
#747
24M
24.00 mi12:28:392:27:026:085:59
5:59
#719
40K
24.85 mi12:33:552:32:186:085:16
6:10
#700
25.2M
25.20 mi12:36:112:34:346:082:16
6:34
#687
Finish
26.22 mi12:42:092:40:326:085:58
5:51
#662
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi158615111511760(Top 3%)715(Top 5%)715(Top 14%)
10K6.21 mi3.10 mi1244+3421179+3321179+3321040(Top 4%)988(Top 7%)988(Top 19%)
15K9.32 mi3.11 mi1085+1591028+1511028+151760(Top 3%)715(Top 5%)715(Top 14%)
20K12.43 mi3.11 mi967+118917+111917+111606(Top 2%)566(Top 4%)566(Top 11%)
Half13.11 mi0.68 mi941+26892+25892+25574(Top 2%)536(Top 4%)536(Top 10%)
25K15.53 mi2.42 mi888+53840+52840+52705(Top 3%)664(Top 4%)664(Top 13%)
30K18.64 mi3.11 mi823+65780+60780+60662(Top 2%)625(Top 4%)625(Top 12%)
20M20.00 mi1.36 mi794+29752+28752+28542(Top 2%)508(Top 3%)508(Top 10%)
21M21.00 mi1.00 mi775+19732+20732+20646(Top 2%)608(Top 4%)608(Top 12%)
35K21.75 mi0.75 mi765+10722+10722+10519(Top 2%)483(Top 3%)483(Top 9%)
23M23.00 mi1.25 mi747+18704+18704+18562(Top 2%)531(Top 3%)531(Top 10%)
24M24.00 mi1.00 mi719+28677+27677+27513(Top 2%)484(Top 3%)484(Top 9%)
40K24.85 mi0.85 mi700+19658+19658+19589(Top 2%)555(Top 4%)555(Top 11%)
25.2M25.20 mi0.35 mi687+13645+13645+13605(Top 2%)572(Top 4%)572(Top 11%)
Finish26.22 mi1.02 mi662+25621+24621+24461(Top 2%)438(Top 3%)438(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

760

Males

715

M18-39

715

5K→10K

3.1 - 6.2 mi

Top 4%
×5story building
+79ft-138ft

Overall

1040

Males

988

M18-39

988

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

760

Males

715

M18-39

715

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

606

Males

566

M18-39

566

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

574

Males

536

M18-39

536

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

705

Males

664

M18-39

664

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

662

Males

625

M18-39

625

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

542

Males

508

M18-39

508

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

646

Males

608

M18-39

608

21M→35K

21.0 - 21.8 mi

Top 2%
×7story building
+17ft-86ft

Overall

519

Males

483

M18-39

483

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

562

Males

531

M18-39

531

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

513

Males

484

M18-39

484

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

589

Males

555

M18-39

555

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

605

Males

572

M18-39

572

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

461

Males

438

M18-39

438

Passing Analysis

Category:
Athletes Passed
953
Passed By
29
Net Change
+924
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1586
5K → 10K3442+342#1586#1244
10K → 15K1590+159#1244#1085
15K → 20K1191+118#1085#967
20K → Half271+26#967#941
Half → 25K552+53#941#888
25K → 30K694+65#888#823
30K → 20M323+29#823#794
20M → 21M234+19#794#775
21M → 35K133+10#775#765
35K → 23M224+18#765#747
23M → 24M302+28#747#719
24M → 40K201+19#719#700
40K → 25.2M130+13#700#687
25.2M → Finish272+25#687#662
TOTALS95329+924
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing