Boston Marathon logo
BOSTON MARATHON 2023

Mike Yasinski

Bib: 11127•M

AB

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 46%
Division (M50-54)
#0 / 2052
Top 48%
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
7:53/mi
24:28
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
48:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:12:26
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:37:47
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:42:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
2:01:34
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:26:23
↑ 181↓ 1480.2%
20M
7:47/mi
2:36:57
↑ 64↓ 500.2%
21M
8:25/mi
2:45:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:50:57
↑ 17↓ 861.7%
23M
8:02/mi
3:01:01
↑ 23↓ 630.6%
24M
7:39/mi
3:08:40
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:15:25
↓ 200.3%
25.2M
8:33/mi
3:18:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:26:35
↑ 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 Half⚖️ Balanced
Distance13.11 mi
Time1:42:58
Pace7:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:37
Pace7:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5824:287:5324:28
7:53
-
10K
6.21 mi11:17:0548:357:4924:07
7:46
-0:07
15K
9.32 mi11:40:561:12:267:4623:51
7:41
-0:05
20K
12.43 mi12:06:171:37:477:5225:21
8:10
+0:29
Half
13.11 mi12:11:281:42:587:515:11
7:36
-0:34
25K
15.53 mi12:30:042:01:347:5018:36
7:40
+0:04
30K
18.64 mi12:54:532:26:237:5124:49
7:59
+0:19
20M
20.00 mi13:05:272:36:577:5110:34
7:47
-0:12
21M
21.00 mi13:13:522:45:227:528:25
8:25
+0:38
35K
21.75 mi13:19:272:50:577:525:35
7:28
-0:57
23M
23.00 mi13:29:313:01:017:5210:04
8:02
+0:34
24M
24.00 mi13:37:103:08:407:527:39
7:39
-0:23
40K
24.85 mi13:43:553:15:257:526:45
7:54
+0:15
25.2M
25.20 mi13:46:523:18:227:522:57
8:33
+0:39
Finish
26.22 mi13:55:053:26:357:538:13
8:04
-0:29

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

7:28 /mi

Average Pace

7:53 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:13

94% of race

Time at Steady Pace

11:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi10:52:5824:287:5324:28
7:53
#13029
10K
6.21 mi11:17:0548:357:4924:07
7:46
#12869
15K
9.32 mi11:40:561:12:267:4623:51
7:41
#12409
20K
12.43 mi12:06:171:37:477:5225:21
8:10
#13022
Half
13.11 mi12:11:281:42:587:515:11
7:36
#12905
25K
15.53 mi12:30:042:01:347:5018:36
7:40
#12404
30K
18.64 mi12:54:532:26:237:5124:49
7:59
#12054
20M
20.00 mi13:05:272:36:577:5110:34
7:47
#11768
21M
21.00 mi13:13:522:45:227:528:25
8:25
#11646
35K
21.75 mi13:19:272:50:577:525:35
7:28
#11488
23M
23.00 mi13:29:313:01:017:5210:04
8:02
#11392
24M
24.00 mi13:37:103:08:407:527:39
7:39
#11255
40K
24.85 mi13:43:553:15:257:526:45
7:54
#11134
25.2M
25.20 mi13:46:523:18:227:522:57
8:33
#11105
Finish
26.22 mi13:55:053:26:357:538:13
8:04
#11150
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi130299552955211630(Top 44%)8920(Top 59%)8920(Top 435%)
10K6.21 mi3.10 mi12869+1609491+619491+6112774(Top 48%)9455(Top 62%)9455(Top 461%)
15K9.32 mi3.11 mi12409+4609266+2259266+22511630(Top 44%)8920(Top 59%)8920(Top 435%)
20K12.43 mi3.11 mi13022-6139508-2429508-24214649(Top 55%)10133(Top 67%)10133(Top 494%)
Half13.11 mi0.68 mi12905+1179460+489460+4810956(Top 41%)8595(Top 57%)8595(Top 419%)
25K15.53 mi2.42 mi12404+5019216+2449216+24410079(Top 38%)8037(Top 53%)8037(Top 392%)
30K18.64 mi3.11 mi12054+3509034+1829034+18210793(Top 41%)8240(Top 54%)8240(Top 402%)
20M20.00 mi1.36 mi11768+2868888+1468888+1468687(Top 33%)7020(Top 46%)7020(Top 342%)
21M21.00 mi1.00 mi11646+1228814+748814+749956(Top 37%)7585(Top 50%)7585(Top 370%)
35K21.75 mi0.75 mi11488+1588731+838731+838282(Top 31%)6683(Top 44%)6683(Top 326%)
23M23.00 mi1.25 mi11392+968660+718660+7110033(Top 38%)7502(Top 49%)7502(Top 366%)
24M24.00 mi1.00 mi11255+1378585+758585+758751(Top 33%)6769(Top 45%)6769(Top 330%)
40K24.85 mi0.85 mi11134+1218500+858500+859301(Top 35%)6987(Top 46%)6987(Top 340%)
25.2M25.20 mi0.35 mi11105+298474+268474+269838(Top 37%)7224(Top 48%)7224(Top 352%)
Finish26.22 mi1.02 mi11150-458473+18473+112528(Top 47%)8535(Top 56%)8535(Top 416%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11630

Males

8920

M50-54

8920

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12774

Males

9455

M50-54

9455

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11630

Males

8920

M50-54

8920

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14649

Males

10133

M50-54

10133

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10956

Males

8595

M50-54

8595

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10079

Males

8037

M50-54

8037

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10793

Males

8240

M50-54

8240

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8687

Males

7020

M50-54

7020

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9956

Males

7585

M50-54

7585

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8282

Males

6683

M50-54

6683

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10033

Males

7502

M50-54

7502

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8751

Males

6769

M50-54

6769

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9301

Males

6987

M50-54

6987

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9838

Males

7224

M50-54

7224

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12528

Males

8535

M50-54

8535

Passing Analysis

Category:
Athletes Passed
3110
Passed By
1231
Net Change
+1879
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13029
5K → 10K395235+160#13029#12869
10K → 15K51858+460#12869#12409
15K → 20K53666-613#12409#13022
20K → Half1181+117#13022#12905
Half → 25K5043+501#12905#12404
25K → 30K40050+350#12404#12054
30K → 20M2882+286#12054#11768
20M → 21M15230+122#11768#11646
21M → 35K1613+158#11646#11488
35K → 23M14145+96#11488#11392
23M → 24M14811+137#11392#11255
24M → 40K1309+121#11255#11134
40K → 25.2M4920+29#11134#11105
25.2M → Finish5398-45#11105#11150
TOTALS31101231+1879
📊

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