Boston Marathon logo
BOSTON MARATHON 2023

Marc Paranzino

Bib: 25577•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:58
Rank: #22508
Start → 5K
29:58 | 9:39/mi
10K· 6.21 mi
1:01:13
Rank: #23285 (-777)
5K → 10K
31:15 | 10:04/mi
15K· 9.32 mi
1:36:35
Rank: #24351 (-1066)
10K → 15K
35:22 | 11:23/mi
20K· 12.43 mi
2:14:10
Rank: #24916 (-565)
15K → 20K
37:35 | 12:06/mi
Half· 13.11 mi
2:22:02
Rank: #24957 (-41)
20K → Half
7:52 | 11:32/mi
25K· 15.53 mi
2:53:43
Rank: #25254 (-297)
Half → 25K
31:41 | 13:04/mi
30K· 18.64 mi
3:38:00
Rank: #25518 (-264)
25K → 30K
44:17 | 14:15/mi
20M
3:57:15
Rank: #25593 (-75)
30K → 20M
19:15 | 14:10/mi
21M
4:13:00
Rank: #25642 (-49)
20M → 21M
15:45 | 15:45/mi
35K· 21.75 mi
4:23:01
Rank: #25646 (-4)
21M → 35K
10:01 | 13:23/mi
23M
4:40:15
Rank: #25664 (-18)
35K → 23M
17:14 | 13:46/mi
24M
4:54:17
Rank: #25701 (-37)
23M → 24M
14:02 | 14:02/mi
40K· 24.85 mi
5:05:57
Rank: #25699 (+2)
24M → 40K
11:40 | 13:39/mi
25.2M
5:10:50
Rank: #25695 (+4)
40K → 25.2M
4:53 | 14:10/mi
Finish· 26.22 mi
5:24:05
Rank: #25728 (-33)
25.2M → Finish
13:15 | 13:00/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
Time2:22:02
Pace10:50 /mi
2nd Half
Distance13.11 mi
Time3:02:03
Pace13:53 /mi
📊Positive Split: 28.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5029:589:3929:58
9:39
-
10K
6.21 mi12:17:051:01:139:5131:15
10:04
+0:25
15K
9.32 mi12:52:271:36:3510:2235:22
11:23
+1:19
20K
12.43 mi13:30:022:14:1010:4837:35
12:06
+0:43
Half
13.11 mi13:37:542:22:0210:507:52
11:32
-0:34
25K
15.53 mi14:09:352:53:4311:1131:41
13:04
+1:32
30K
18.64 mi14:53:523:38:0011:4244:17
14:15
+1:11
20M
20.00 mi15:13:073:57:1511:5219:15
14:10
-0:05
21M
21.00 mi15:28:524:13:0012:0315:45
15:45
+1:35
35K
21.75 mi15:38:534:23:0112:0610:01
13:23
-2:22
23M
23.00 mi15:56:074:40:1512:1117:14
13:46
+0:23
24M
24.00 mi16:10:094:54:1712:1614:02
14:02
+0:16
40K
24.85 mi16:21:495:05:5712:1911:40
13:39
-0:23
25.2M
25.20 mi16:26:425:10:5012:204:53
14:10
+0:31
Finish
26.22 mi16:39:575:24:0512:2213:15
13:00
-1:10

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

9:39 /mi

Average Pace

12:22 /mi

Slowest Pace

15:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:02

44% of race

Time at Steady Pace

2:02:01

38% of race

Time at Slower Pace

1:00:02

19% of race

Average Pace: 12:22 /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 mi11:45:5029:589:3929:58
9:39
#22508
10K
6.21 mi12:17:051:01:139:5131:15
10:04
#23285
15K
9.32 mi12:52:271:36:3510:2235:22
11:23
#24351
20K
12.43 mi13:30:022:14:1010:4837:35
12:06
#24916
Half
13.11 mi13:37:542:22:0210:507:52
11:32
#24957
25K
15.53 mi14:09:352:53:4311:1131:41
13:04
#25254
30K
18.64 mi14:53:523:38:0011:4244:17
14:15
#25518
20M
20.00 mi15:13:073:57:1511:5219:15
14:10
#25593
21M
21.00 mi15:28:524:13:0012:0315:45
15:45
#25642
35K
21.75 mi15:38:534:23:0112:0610:01
13:23
#25646
23M
23.00 mi15:56:074:40:1512:1117:14
13:46
#25664
24M
24.00 mi16:10:094:54:1712:1614:02
14:02
#25701
40K
24.85 mi16:21:495:05:5712:1911:40
13:39
#25699
25.2M
25.20 mi16:26:425:10:5012:204:53
14:10
#25695
Finish
26.22 mi16:39:575:24:0512:2213:15
13:00
#25728
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22508133481334825595(Top 96%)14767(Top 97%)14767(Top 279%)
10K6.21 mi3.10 mi23285-77713745-39713745-39723814(Top 89%)14002(Top 92%)14002(Top 265%)
15K9.32 mi3.11 mi24351-106614248-50314248-50325595(Top 96%)14767(Top 97%)14767(Top 279%)
20K12.43 mi3.11 mi24916-56514484-23614484-23625716(Top 97%)14798(Top 98%)14798(Top 280%)
Half13.11 mi0.68 mi24957-4114500-1614500-1625514(Top 96%)14697(Top 97%)14697(Top 278%)
25K15.53 mi2.42 mi25254-29714618-11814618-11825895(Top 97%)14852(Top 98%)14852(Top 281%)
30K18.64 mi3.11 mi25518-26414712-9414712-9426152(Top 98%)14961(Top 99%)14961(Top 283%)
20M20.00 mi1.36 mi25593-7514742-3014742-3025916(Top 97%)14818(Top 98%)14818(Top 280%)
21M21.00 mi1.00 mi25642-4914766-2414766-2426125(Top 98%)14914(Top 98%)14914(Top 282%)
35K21.75 mi0.75 mi25646-414760+614760+625811(Top 97%)14741(Top 97%)14741(Top 279%)
23M23.00 mi1.25 mi25664-1814766-614766-625666(Top 96%)14658(Top 97%)14658(Top 277%)
24M24.00 mi1.00 mi25701-3714776-1014776-1026089(Top 98%)14859(Top 98%)14859(Top 281%)
40K24.85 mi0.85 mi25699+214773+314773+325459(Top 96%)14540(Top 96%)14540(Top 275%)
25.2M25.20 mi0.35 mi25695+414771+214771+225115(Top 94%)14339(Top 94%)14339(Top 271%)
Finish26.22 mi1.02 mi25728-3314778-714778-725967(Top 98%)14792(Top 97%)14792(Top 280%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

25595

Males

14767

M18-39

14767

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23814

Males

14002

M18-39

14002

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

25595

Males

14767

M18-39

14767

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25716

Males

14798

M18-39

14798

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

25514

Males

14697

M18-39

14697

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

25895

Males

14852

M18-39

14852

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

26152

Males

14961

M18-39

14961

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

25916

Males

14818

M18-39

14818

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

26125

Males

14914

M18-39

14914

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

25811

Males

14741

M18-39

14741

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

25666

Males

14658

M18-39

14658

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

26089

Males

14859

M18-39

14859

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25459

Males

14540

M18-39

14540

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25115

Males

14339

M18-39

14339

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

25967

Males

14792

M18-39

14792

Passing Analysis

Category:
Athletes Passed
152
Passed By
3372
Net Change
-3220
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22508
5K → 10K28805-777#22508#23285
10K → 15K41070-1066#23285#24351
15K → 20K7572-565#24351#24916
20K → Half748-41#24916#24957
Half → 25K11308-297#24957#25254
25K → 30K16280-264#25254#25518
30K → 20M1287-75#25518#25593
20M → 21M655-49#25593#25642
21M → 35K1519-4#25642#25646
35K → 23M1533-18#25646#25664
23M → 24M441-37#25664#25701
24M → 40K1311+2#25701#25699
40K → 25.2M84+4#25699#25695
25.2M → Finish639-33#25695#25728
TOTALS1523372-3220
📊

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