Boston Marathon logo
BOSTON MARATHON 2023

John Nayman

Bib: 13846•M

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 38%
Division (M50-54)
#0 / 2052
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:09
Rank: #12090
Start → 5K
24:09 | 7:46/mi
10K· 6.21 mi
47:46
Rank: #11677 (+413)
5K → 10K
23:37 | 7:36/mi
15K· 9.32 mi
1:10:42
Rank: #10796 (+881)
10K → 15K
22:56 | 7:23/mi
20K· 12.43 mi
1:34:13
Rank: #10530 (+266)
15K → 20K
23:31 | 7:34/mi
Half· 13.11 mi
1:39:16
Rank: #10474 (+56)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:57:30
Rank: #10172 (+302)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:21:36
Rank: #9936 (+236)
25K → 30K
24:06 | 7:45/mi
20M
2:32:07
Rank: #9775 (+161)
30K → 20M
10:31 | 7:44/mi
21M
2:40:06
Rank: #9628 (+147)
20M → 21M
7:59 | 7:59/mi
35K· 21.75 mi
2:45:43
Rank: #9565 (+63)
21M → 35K
5:37 | 7:30/mi
23M
2:55:26
Rank: #9430 (+135)
35K → 23M
9:43 | 7:46/mi
24M
3:03:06
Rank: #9378 (+52)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
3:09:44
Rank: #9320 (+58)
24M → 40K
6:38 | 7:45/mi
25.2M
3:12:34
Rank: #9283 (+37)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:20:09
Rank: #9232 (+51)
25.2M → Finish
7:35 | 7:26/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
Time1:39:16
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:40:53
Pace7:42 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2124:097:4624:09
7:46
-
10K
6.21 mi11:15:5847:467:4123:37
7:36
-0:10
15K
9.32 mi11:38:541:10:427:3522:56
7:23
-0:13
20K
12.43 mi12:02:251:34:137:3523:31
7:34
+0:11
Half
13.11 mi12:07:281:39:167:345:03
7:24
-0:10
25K
15.53 mi12:25:421:57:307:3418:14
7:31
+0:07
30K
18.64 mi12:49:482:21:367:3624:06
7:45
+0:14
20M
20.00 mi13:00:192:32:077:3610:31
7:44
-0:01
21M
21.00 mi13:08:182:40:067:377:59
7:59
+0:15
35K
21.75 mi13:13:552:45:437:375:37
7:30
-0:29
23M
23.00 mi13:23:382:55:267:389:43
7:46
+0:16
24M
24.00 mi13:31:183:03:067:387:40
7:40
-0:06
40K
24.85 mi13:37:563:09:447:386:38
7:45
+0:05
25.2M
25.20 mi13:40:463:12:347:382:50
8:13
+0:28
Finish
26.22 mi13:48:213:20:097:387:35
7:26
-0:47

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

7:23 /mi

Average Pace

7:38 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:19

99% of race

Time at Steady Pace

2:50

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:52:2124:097:4624:09
7:46
#12090
10K
6.21 mi11:15:5847:467:4123:37
7:36
#11677
15K
9.32 mi11:38:541:10:427:3522:56
7:23
#10796
20K
12.43 mi12:02:251:34:137:3523:31
7:34
#10530
Half
13.11 mi12:07:281:39:167:345:03
7:24
#10474
25K
15.53 mi12:25:421:57:307:3418:14
7:31
#10172
30K
18.64 mi12:49:482:21:367:3624:06
7:45
#9936
20M
20.00 mi13:00:192:32:077:3610:31
7:44
#9775
21M
21.00 mi13:08:182:40:067:377:59
7:59
#9628
35K
21.75 mi13:13:552:45:437:375:37
7:30
#9565
23M
23.00 mi13:23:382:55:267:389:43
7:46
#9430
24M
24.00 mi13:31:183:03:067:387:40
7:40
#9378
40K
24.85 mi13:37:563:09:447:386:38
7:45
#9320
25.2M
25.20 mi13:40:463:12:347:382:50
8:13
#9283
Finish
26.22 mi13:48:213:20:097:387:35
7:26
#9232
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi12090914791479177(Top 34%)7651(Top 50%)7651(Top 373%)
10K6.21 mi3.10 mi11677+4138963+1848963+18411330(Top 43%)8798(Top 58%)8798(Top 429%)
15K9.32 mi3.11 mi10796+8818550+4138550+4139177(Top 34%)7651(Top 50%)7651(Top 373%)
20K12.43 mi3.11 mi10530+2668428+1228428+1229837(Top 37%)7985(Top 53%)7985(Top 389%)
Half13.11 mi0.68 mi10474+568400+288400+289404(Top 35%)7754(Top 51%)7754(Top 378%)
25K15.53 mi2.42 mi10172+3028221+1798221+1798913(Top 33%)7378(Top 49%)7378(Top 360%)
30K18.64 mi3.11 mi9936+2368058+1638058+1639028(Top 34%)7297(Top 48%)7297(Top 356%)
20M20.00 mi1.36 mi9775+1617944+1147944+1148430(Top 32%)6855(Top 45%)6855(Top 334%)
21M21.00 mi1.00 mi9628+1477838+1067838+1067255(Top 27%)6033(Top 40%)6033(Top 294%)
35K21.75 mi0.75 mi9565+637783+557783+558580(Top 32%)6854(Top 45%)6854(Top 334%)
23M23.00 mi1.25 mi9430+1357679+1047679+1048139(Top 31%)6487(Top 43%)6487(Top 316%)
24M24.00 mi1.00 mi9378+527614+657614+658837(Top 33%)6806(Top 45%)6806(Top 332%)
40K24.85 mi0.85 mi9320+587554+607554+608371(Top 31%)6477(Top 43%)6477(Top 316%)
25.2M25.20 mi0.35 mi9283+377520+347520+347763(Top 29%)6039(Top 40%)6039(Top 294%)
Finish26.22 mi1.02 mi9232+517471+497471+498071(Top 30%)6207(Top 41%)6207(Top 302%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9177

Males

7651

M50-54

7651

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11330

Males

8798

M50-54

8798

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9177

Males

7651

M50-54

7651

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9837

Males

7985

M50-54

7985

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9404

Males

7754

M50-54

7754

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8913

Males

7378

M50-54

7378

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9028

Males

7297

M50-54

7297

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8430

Males

6855

M50-54

6855

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7255

Males

6033

M50-54

6033

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8580

Males

6854

M50-54

6854

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8139

Males

6487

M50-54

6487

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8837

Males

6806

M50-54

6806

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8371

Males

6477

M50-54

6477

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7763

Males

6039

M50-54

6039

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8071

Males

6207

M50-54

6207

Passing Analysis

Category:
Athletes Passed
3336*
Passed By
478
Net Change
+2858
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12090
5K → 10K550137+413#12090#11677
10K → 15K89211+881#11677#10796
15K → 20K32054+266#10796#10530
20K → Half6711+56#10530#10474
Half → 25K31816+302#10474#10172
25K → 30K292*56+236#10172#9936
30K → 20M17514+161#9936#9775
20M → 21M16619+147#9775#9628
21M → 35K7815+63#9628#9565
35K → 23M15419+135#9565#9430
23M → 24M9543+52#9430#9378
24M → 40K9537+58#9378#9320
40K → 25.2M469+37#9320#9283
25.2M → Finish8837+51#9283#9232
TOTALS3336*478+2858

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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