Boston Marathon logo
BOSTON MARATHON 2023

Kenneth Jones

Bib: 1272•M

FL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Masters (Masters Men)
#0 / 9891
Top 1%
Division (M40-44)
#0 / 2241
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:59
Rank: #371
Start → 5K
17:59 | 5:47/mi
10K· 6.21 mi
36:12
Rank: #436 (-65)
5K → 10K
18:13 | 5:52/mi
15K· 9.32 mi
54:43
Rank: #482 (-46)
10K → 15K
18:31 | 5:58/mi
20K· 12.43 mi
1:13:33
Rank: #531 (-49)
15K → 20K
18:50 | 6:04/mi
Half· 13.11 mi
1:17:38
Rank: #538 (-7)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:32:39
Rank: #571 (-33)
Half → 25K
15:01 | 6:12/mi
30K· 18.64 mi
1:52:11
Rank: #604 (-33)
25K → 30K
19:32 | 6:17/mi
20M
2:00:52
Rank: #627 (-23)
30K → 20M
8:41 | 6:23/mi
21M
2:07:48
Rank: #655 (-28)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:12:33
Rank: #679 (-24)
21M → 35K
4:45 | 6:21/mi
23M
2:20:35
Rank: #690 (-11)
35K → 23M
8:02 | 6:25/mi
24M
2:27:02
Rank: #720 (-30)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:32:42
Rank: #730 (-10)
24M → 40K
5:40 | 6:38/mi
25.2M
2:35:09
Rank: #731 (-1)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:41:36
Rank: #737 (-6)
25.2M → Finish
6:27 | 6:20/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
Time1:17:38
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:23:58
Pace6:24 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2817:595:4717:59
5:47
-
10K
6.21 mi10:36:4136:125:5018:13
5:52
+0:05
15K
9.32 mi10:55:1254:435:5218:31
5:58
+0:06
20K
12.43 mi11:14:021:13:335:5518:50
6:04
+0:06
Half
13.11 mi11:18:071:17:385:554:05
5:59
-0:05
25K
15.53 mi11:33:081:32:395:5815:01
6:12
+0:13
30K
18.64 mi11:52:401:52:116:0119:32
6:17
+0:05
20M
20.00 mi12:01:212:00:526:038:41
6:23
+0:06
21M
21.00 mi12:08:172:07:486:056:56
6:56
+0:33
35K
21.75 mi12:13:022:12:336:064:45
6:21
-0:35
23M
23.00 mi12:21:042:20:356:078:02
6:25
+0:04
24M
24.00 mi12:27:312:27:026:086:27
6:27
+0:02
40K
24.85 mi12:33:112:32:426:095:40
6:38
+0:11
25.2M
25.20 mi12:35:382:35:096:092:27
7:06
+0:28
Finish
26.22 mi12:42:052:41:366:106:27
6:20
-0:46

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

5:47 /mi

Average Pace

6:10 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:38

48% of race

Time at Steady Pace

1:08:55

43% of race

Time at Slower Pace

15:03

9% of race

Average Pace: 6:10 /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 mi10:18:2817:595:4717:59
5:47
#371
10K
6.21 mi10:36:4136:125:5018:13
5:52
#436
15K
9.32 mi10:55:1254:435:5218:31
5:58
#482
20K
12.43 mi11:14:021:13:335:5518:50
6:04
#531
Half
13.11 mi11:18:071:17:385:554:05
5:59
#538
25K
15.53 mi11:33:081:32:395:5815:01
6:12
#571
30K
18.64 mi11:52:401:52:116:0119:32
6:17
#604
20M
20.00 mi12:01:212:00:526:038:41
6:23
#627
21M
21.00 mi12:08:172:07:486:056:56
6:56
#655
35K
21.75 mi12:13:022:12:336:064:45
6:21
#679
23M
23.00 mi12:21:042:20:356:078:02
6:25
#690
24M
24.00 mi12:27:312:27:026:086:27
6:27
#720
40K
24.85 mi12:33:112:32:426:095:40
6:38
#730
25.2M
25.20 mi12:35:382:35:096:092:27
7:06
#731
Finish
26.22 mi12:42:052:41:366:106:27
6:20
#737
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi371337337624(Top 2%)581(Top 4%)581(Top 26%)
10K6.21 mi3.10 mi436-65401-64401-64529(Top 2%)487(Top 3%)487(Top 22%)
15K9.32 mi3.11 mi482-46446-45446-45624(Top 2%)581(Top 4%)581(Top 26%)
20K12.43 mi3.11 mi531-49490-44490-44690(Top 3%)648(Top 4%)648(Top 29%)
Half13.11 mi0.68 mi538-7497-7497-7717(Top 3%)676(Top 4%)676(Top 30%)
25K15.53 mi2.42 mi571-33530-33530-33976(Top 4%)927(Top 6%)927(Top 41%)
30K18.64 mi3.11 mi604-33564-34564-34876(Top 3%)834(Top 5%)834(Top 37%)
20M20.00 mi1.36 mi627-23587-23587-231091(Top 4%)1045(Top 7%)1045(Top 47%)
21M21.00 mi1.00 mi655-28613-26613-261856(Top 7%)1762(Top 12%)1762(Top 79%)
35K21.75 mi0.75 mi679-24637-24637-241705(Top 6%)1618(Top 11%)1618(Top 72%)
23M23.00 mi1.25 mi690-11648-11648-111132(Top 4%)1068(Top 7%)1068(Top 48%)
24M24.00 mi1.00 mi720-30678-30678-301857(Top 7%)1743(Top 11%)1743(Top 78%)
40K24.85 mi0.85 mi730-10688-10688-101993(Top 7%)1863(Top 12%)1863(Top 83%)
25.2M25.20 mi0.35 mi731-1689-1689-12050(Top 8%)1906(Top 13%)1906(Top 85%)
Finish26.22 mi1.02 mi737-6695-6695-61713(Top 6%)1609(Top 11%)1609(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

624

Males

581

M40-44

581

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

529

Males

487

M40-44

487

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

624

Males

581

M40-44

581

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

690

Males

648

M40-44

648

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

717

Males

676

M40-44

676

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

976

Males

927

M40-44

927

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

876

Males

834

M40-44

834

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1091

Males

1045

M40-44

1045

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1856

Males

1762

M40-44

1762

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1705

Males

1618

M40-44

1618

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1132

Males

1068

M40-44

1068

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1857

Males

1743

M40-44

1743

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1993

Males

1863

M40-44

1863

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2050

Males

1906

M40-44

1906

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1713

Males

1609

M40-44

1609

Passing Analysis

Category:
Athletes Passed
82
Passed By
448
Net Change
-366
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#371
5K → 10K166-65#371#436
10K → 15K551-46#436#482
15K → 20K1261-49#482#531
20K → Half18-7#531#538
Half → 25K235-33#538#571
25K → 30K841-33#571#604
30K → 20M831-23#604#627
20M → 21M230-28#627#655
21M → 35K125-24#655#679
35K → 23M1425-11#679#690
23M → 24M737-30#690#720
24M → 40K515-10#720#730
40K → 25.2M56-1#730#731
25.2M → Finish1117-6#731#737
TOTALS82448-366
📊

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