Boston Marathon logo
BOSTON MARATHON 2023

Mike Marsella

Bib: 1482•M

VA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:09
Rank: #1052
Start → 5K
19:09 | 6:10/mi
10K· 6.21 mi
38:11
Rank: #1061 (-9)
5K → 10K
19:02 | 6:08/mi
15K· 9.32 mi
57:13
Rank: #1058 (+3)
10K → 15K
19:02 | 6:08/mi
20K· 12.43 mi
1:16:32
Rank: #1052 (+6)
15K → 20K
19:19 | 6:13/mi
Half· 13.11 mi
1:20:45
Rank: #1059 (-7)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:35:58
Rank: #1064 (-5)
Half → 25K
15:13 | 6:17/mi
30K· 18.64 mi
1:55:48
Rank: #1063 (+1)
25K → 30K
19:50 | 6:23/mi
20M
2:04:20
Rank: #1023 (+40)
30K → 20M
8:32 | 6:17/mi
21M
2:10:53
Rank: #985 (+38)
20M → 21M
6:33 | 6:33/mi
35K· 21.75 mi
2:15:39
Rank: #995 (-10)
21M → 35K
4:46 | 6:22/mi
23M
2:23:42
Rank: #988 (+7)
35K → 23M
8:03 | 6:26/mi
24M
2:29:51
Rank: #970 (+18)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:35:10
Rank: #949 (+21)
24M → 40K
5:19 | 6:13/mi
25.2M
2:37:26
Rank: #932 (+17)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:43:31
Rank: #905 (+27)
25.2M → Finish
6:05 | 5:58/mi

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
Time1:20:45
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:22:46
Pace6:19 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3219:096:1019:09
6:10
-
10K
6.21 mi10:38:3438:116:0919:02
6:08
-0:02
15K
9.32 mi10:57:3657:136:0819:02
6:08
0:00
20K
12.43 mi11:16:551:16:326:1019:19
6:13
+0:05
Half
13.11 mi11:21:081:20:456:104:13
6:11
-0:02
25K
15.53 mi11:36:211:35:586:1115:13
6:17
+0:06
30K
18.64 mi11:56:111:55:486:1319:50
6:23
+0:06
20M
20.00 mi12:04:432:04:206:138:32
6:17
-0:06
21M
21.00 mi12:11:162:10:536:146:33
6:33
+0:16
35K
21.75 mi12:16:022:15:396:144:46
6:22
-0:11
23M
23.00 mi12:24:052:23:426:158:03
6:26
+0:04
24M
24.00 mi12:30:142:29:516:156:09
6:09
-0:17
40K
24.85 mi12:35:332:35:106:155:19
6:13
+0:04
25.2M
25.20 mi12:37:492:37:266:152:16
6:34
+0:21
Finish
26.22 mi12:43:542:43:316:146:05
5:58
-0:36

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

5:58 /mi

Average Pace

6:14 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:15

99% of race

Time at Steady Pace

2:16

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:14 /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 mi10:19:3219:096:1019:09
6:10
#1052
10K
6.21 mi10:38:3438:116:0919:02
6:08
#1061
15K
9.32 mi10:57:3657:136:0819:02
6:08
#1058
20K
12.43 mi11:16:551:16:326:1019:19
6:13
#1052
Half
13.11 mi11:21:081:20:456:104:13
6:11
#1059
25K
15.53 mi11:36:211:35:586:1115:13
6:17
#1064
30K
18.64 mi11:56:111:55:486:1319:50
6:23
#1063
20M
20.00 mi12:04:432:04:206:138:32
6:17
#1023
21M
21.00 mi12:11:162:10:536:146:33
6:33
#985
35K
21.75 mi12:16:022:15:396:144:46
6:22
#995
23M
23.00 mi12:24:052:23:426:158:03
6:26
#988
24M
24.00 mi12:30:142:29:516:156:09
6:09
#970
40K
24.85 mi12:35:332:35:106:155:19
6:13
#949
25.2M
25.20 mi12:37:492:37:266:152:16
6:34
#932
Finish
26.22 mi12:43:542:43:316:146:05
5:58
#905
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10529949941032(Top 4%)981(Top 6%)981(Top 19%)
10K6.21 mi3.10 mi1061-91004-101004-101104(Top 4%)1047(Top 7%)1047(Top 20%)
15K9.32 mi3.11 mi1058+3100410041032(Top 4%)981(Top 6%)981(Top 19%)
20K12.43 mi3.11 mi1052+6999+5999+51094(Top 4%)1043(Top 7%)1043(Top 20%)
Half13.11 mi0.68 mi1059-71005-61005-61248(Top 5%)1196(Top 8%)1196(Top 23%)
25K15.53 mi2.42 mi1064-51011-61011-61232(Top 5%)1176(Top 8%)1176(Top 22%)
30K18.64 mi3.11 mi1063+11013-21013-21158(Top 4%)1103(Top 7%)1103(Top 21%)
20M20.00 mi1.36 mi1023+40973+40973+40829(Top 3%)789(Top 5%)789(Top 15%)
21M21.00 mi1.00 mi985+38937+36937+36759(Top 3%)717(Top 5%)717(Top 14%)
35K21.75 mi0.75 mi995-10946-9946-91809(Top 7%)1715(Top 11%)1715(Top 32%)
23M23.00 mi1.25 mi988+7941+5941+51181(Top 4%)1115(Top 7%)1115(Top 21%)
24M24.00 mi1.00 mi970+18923+18923+18870(Top 3%)825(Top 5%)825(Top 16%)
40K24.85 mi0.85 mi949+21902+21902+21688(Top 3%)651(Top 4%)651(Top 12%)
25.2M25.20 mi0.35 mi932+17885+17885+17618(Top 2%)585(Top 4%)585(Top 11%)
Finish26.22 mi1.02 mi905+27859+26859+26655(Top 2%)624(Top 4%)624(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1032

Males

981

M18-39

981

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1104

Males

1047

M18-39

1047

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1032

Males

981

M18-39

981

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1094

Males

1043

M18-39

1043

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1248

Males

1196

M18-39

1196

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1232

Males

1176

M18-39

1176

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1158

Males

1103

M18-39

1103

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

829

Males

789

M18-39

789

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

759

Males

717

M18-39

717

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1809

Males

1715

M18-39

1715

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1181

Males

1115

M18-39

1115

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

870

Males

825

M18-39

825

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

688

Males

651

M18-39

651

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

618

Males

585

M18-39

585

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

655

Males

624

M18-39

624

Passing Analysis

Category:
Athletes Passed
377
Passed By
230
Net Change
+147
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1052
5K → 10K4756-9#1052#1061
10K → 15K3330+3#1061#1058
15K → 20K3024+6#1058#1052
20K → Half29-7#1052#1059
Half → 25K2227-5#1059#1064
25K → 30K3938+1#1064#1063
30K → 20M455+40#1063#1023
20M → 21M413+38#1023#985
21M → 35K515-10#985#995
35K → 23M2114+7#995#988
23M → 24M224+18#988#970
24M → 40K232+21#970#949
40K → 25.2M170+17#949#932
25.2M → Finish303+27#932#905
TOTALS377230+147
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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