Boston Marathon logo
BOSTON MARATHON 2023

Miroslav Mateju

Bib: 14052•M

MI

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 49%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 42%
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
7:47/mi
24:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:19/mi
49:59
↑ 79↓ 1380.4%
15K· 9.32 mi
7:52/mi
1:14:24
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:39:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:44:41
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:04:18
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:29:59
↑ 181↓ 1480.2%
20M
8:19/mi
2:41:17
↑ 64↓ 500.2%
21M
8:44/mi
2:50:01
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:56:06
↑ 17↓ 861.7%
23M
8:19/mi
3:06:31
↑ 23↓ 630.6%
24M
8:06/mi
3:14:37
↓ 821.3%
40K· 24.85 mi
8:12/mi
3:21:38
↓ 200.3%
25.2M
8:45/mi
3:24:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:32:51
↑ 22↓ 21

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 HalfFaster
Distance13.11 mi
Time1:44:41
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:48:10
Pace8:15 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0024:107:4724:10
7:47
-
10K
6.21 mi11:18:4949:598:0325:49
8:19
+0:32
15K
9.32 mi11:43:141:14:247:5924:25
7:52
-0:27
20K
12.43 mi12:08:071:39:177:5924:53
8:01
+0:09
Half
13.11 mi12:13:311:44:417:595:24
7:55
-0:06
25K
15.53 mi12:33:082:04:188:0019:37
8:05
+0:10
30K
18.64 mi12:58:492:29:598:0325:41
8:16
+0:11
20M
20.00 mi13:10:072:41:178:0411:18
8:19
+0:03
21M
21.00 mi13:18:512:50:018:068:44
8:44
+0:25
35K
21.75 mi13:24:562:56:068:066:05
8:08
-0:36
23M
23.00 mi13:35:213:06:318:0710:25
8:19
+0:11
24M
24.00 mi13:43:273:14:378:078:06
8:06
-0:13
40K
24.85 mi13:50:283:21:388:077:01
8:12
+0:06
25.2M
25.20 mi13:53:293:24:398:073:01
8:45
+0:33
Finish
26.22 mi14:01:413:32:518:078:12
8:03
-0:42

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

7:47 /mi

Average Pace

8:07 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:06

94% of race

Time at Steady Pace

11:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi10:53:0024:107:4724:10
7:47
#12151
10K
6.21 mi11:18:4949:598:0325:49
8:19
#14695
15K
9.32 mi11:43:141:14:247:5924:25
7:52
#14233
20K
12.43 mi12:08:071:39:177:5924:53
8:01
#14013
Half
13.11 mi12:13:311:44:417:595:24
7:55
#13984
25K
15.53 mi12:33:082:04:188:0019:37
8:05
#13884
30K
18.64 mi12:58:492:29:598:0325:41
8:16
#13638
20M
20.00 mi13:10:072:41:178:0411:18
8:19
#13548
21M
21.00 mi13:18:512:50:018:068:44
8:44
#13421
35K
21.75 mi13:24:562:56:068:066:05
8:08
#13386
23M
23.00 mi13:35:213:06:318:0710:25
8:19
#13272
24M
24.00 mi13:43:273:14:378:078:06
8:06
#13182
40K
24.85 mi13:50:283:21:388:077:01
8:12
#13091
25.2M
25.20 mi13:53:293:24:398:073:01
8:45
#13054
Finish
26.22 mi14:01:413:32:518:078:12
8:03
#13011
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi121519183918313170(Top 49%)9567(Top 63%)9567(Top 673%)
10K6.21 mi3.10 mi14695-254410212-102910212-102916979(Top 64%)11093(Top 73%)11093(Top 780%)
15K9.32 mi3.11 mi14233+46210015+19710015+19713170(Top 49%)9567(Top 63%)9567(Top 673%)
20K12.43 mi3.11 mi14013+2209900+1159900+11513501(Top 51%)9665(Top 64%)9665(Top 680%)
Half13.11 mi0.68 mi13984+299890+109890+1013623(Top 51%)9733(Top 64%)9733(Top 684%)
25K15.53 mi2.42 mi13884+1009823+679823+6713431(Top 50%)9536(Top 63%)9536(Top 671%)
30K18.64 mi3.11 mi13638+2469701+1229701+12212789(Top 48%)9143(Top 60%)9143(Top 643%)
20M20.00 mi1.36 mi13548+909641+609641+6012444(Top 47%)8883(Top 59%)8883(Top 625%)
21M21.00 mi1.00 mi13421+1279574+679574+6711862(Top 45%)8523(Top 56%)8523(Top 599%)
35K21.75 mi0.75 mi13386+359547+279547+2712969(Top 49%)8967(Top 59%)8967(Top 631%)
23M23.00 mi1.25 mi13272+1149477+709477+7012019(Top 45%)8479(Top 56%)8479(Top 596%)
24M24.00 mi1.00 mi13182+909408+699408+6911926(Top 45%)8367(Top 55%)8367(Top 588%)
40K24.85 mi0.85 mi13091+919347+619347+6111386(Top 43%)8020(Top 53%)8020(Top 564%)
25.2M25.20 mi0.35 mi13054+379320+279320+2710981(Top 41%)7792(Top 51%)7792(Top 548%)
Finish26.22 mi1.02 mi13011+439285+359285+3512424(Top 47%)8492(Top 56%)8492(Top 597%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13170

Males

9567

M55-59

9567

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16979

Males

11093

M55-59

11093

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13170

Males

9567

M55-59

9567

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13501

Males

9665

M55-59

9665

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13623

Males

9733

M55-59

9733

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13431

Males

9536

M55-59

9536

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12789

Males

9143

M55-59

9143

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12444

Males

8883

M55-59

8883

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11862

Males

8523

M55-59

8523

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

12969

Males

8967

M55-59

8967

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12019

Males

8479

M55-59

8479

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11926

Males

8367

M55-59

8367

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11386

Males

8020

M55-59

8020

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10981

Males

7792

M55-59

7792

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12424

Males

8492

M55-59

8492

Passing Analysis

Category:
Athletes Passed
2218
Passed By
3078
Net Change
-860
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12151
5K → 10K52549-2544#12151#14695
10K → 15K50644+462#14695#14233
15K → 20K29373+220#14233#14013
20K → Half4819+29#14013#13984
Half → 25K18383+100#13984#13884
25K → 30K30963+246#13884#13638
30K → 20M13949+90#13638#13548
20M → 21M16235+127#13548#13421
21M → 35K6631+35#13421#13386
35K → 23M14834+114#13386#13272
23M → 24M12535+90#13272#13182
24M → 40K10413+91#13182#13091
40K → 25.2M4710+37#13091#13054
25.2M → Finish8340+43#13054#13011
TOTALS22183078-860
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing