Boston Marathon logo
BOSTON MARATHON 2023

John Kent

Bib: 2782•M

TN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
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
21:43
Rank: #6193
Start → 5K
6:59/mi
21:43 split
10K· 6.21 mi
43:24
Rank: #6417 (-224)
5K → 10K
6:59/mi
21:41 split
15K· 9.32 mi
1:05:05
Rank: #6389 (+28)
10K → 15K
6:59/mi
21:41 split
20K· 12.43 mi
1:26:45
Rank: #6232 (+157)
15K → 20K
6:58/mi
21:40 split
Half· 13.11 mi
1:31:25
Rank: #6198 (+34)
20K → Half
6:50/mi
4:40 split
25K· 15.53 mi
1:48:39
Rank: #6187 (+11)
Half → 25K
7:06/mi
17:14 split
30K· 18.64 mi
2:11:10
Rank: #6036 (+151)
25K → 30K
7:15/mi
22:31 split
20M
2:21:09
Rank: #5986 (+50)
30K → 20M
7:21/mi
9:59 split
21M
2:28:49
Rank: #5912 (+74)
20M → 21M
7:40/mi
7:40 split
35K· 21.75 mi
2:34:02
Rank: #5863 (+49)
21M → 35K
6:58/mi
5:13 split
23M
2:43:30
Rank: #5857 (+6)
35K → 23M
7:34/mi
9:28 split
24M
2:51:07
Rank: #5904 (-47)
23M → 24M
7:37/mi
7:37 split
40K· 24.85 mi
2:57:48
Rank: #5954 (-50)
24M → 40K
7:49/mi
6:41 split
25.2M
3:00:48
Rank: #5998 (-44)
40K → 25.2M
8:42/mi
3:00 split
Finish· 26.22 mi
3:08:33
Rank: #6063 (-65)
25.2M → Finish
7:36/mi
7:45 split

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
Time1:31:25
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:37:08
Pace7:25 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2721:436:5921:43
6:59
-
10K
6.21 mi10:44:0843:246:5921:41
6:59
0:00
15K
9.32 mi11:05:491:05:056:5921:41
6:59
0:00
20K
12.43 mi11:27:291:26:456:5921:40
6:58
-0:01
Half
13.11 mi11:32:091:31:256:584:40
6:50
-0:08
25K
15.53 mi11:49:231:48:397:0017:14
7:06
+0:16
30K
18.64 mi12:11:542:11:107:0222:31
7:15
+0:09
20M
20.00 mi12:21:532:21:097:039:59
7:21
+0:06
21M
21.00 mi12:29:332:28:497:057:40
7:40
+0:19
35K
21.75 mi12:34:462:34:027:055:13
6:58
-0:42
23M
23.00 mi12:44:142:43:307:079:28
7:34
+0:36
24M
24.00 mi12:51:512:51:077:087:37
7:37
+0:03
40K
24.85 mi12:58:322:57:487:096:41
7:49
+0:12
25.2M
25.20 mi13:01:323:00:487:103:00
8:42
+0:53
Finish
26.22 mi13:09:173:08:337:127:45
7:36
-1:06

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

6:50 /mi

Average Pace

7:12 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:38

51% of race

Time at Steady Pace

49:44

26% of race

Time at Slower Pace

42:11

22% of race

Average Pace: 7:11 /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 mi10:22:2721:436:5921:43
6:59
#6193
10K
6.21 mi10:44:0843:246:5921:41
6:59
#6417
15K
9.32 mi11:05:491:05:056:5921:41
6:59
#6389
20K
12.43 mi11:27:291:26:456:5921:40
6:58
#6232
Half
13.11 mi11:32:091:31:256:584:40
6:50
#6198
25K
15.53 mi11:49:231:48:397:0017:14
7:06
#6187
30K
18.64 mi12:11:542:11:107:0222:31
7:15
#6036
20M
20.00 mi12:21:532:21:097:039:59
7:21
#5986
21M
21.00 mi12:29:332:28:497:057:40
7:40
#5912
35K
21.75 mi12:34:462:34:027:055:13
6:58
#5863
23M
23.00 mi12:44:142:43:307:079:28
7:34
#5857
24M
24.00 mi12:51:512:51:077:087:37
7:37
#5904
40K
24.85 mi12:58:322:57:487:096:41
7:49
#5954
25.2M
25.20 mi13:01:323:00:487:103:00
8:42
#5998
Finish
26.22 mi13:09:173:08:337:127:45
7:36
#6063
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6193565156516417(Top 24%)5786(Top 38%)5786(Top 109%)
10K6.21 mi3.10 mi6417-2245803-1525803-1526671(Top 25%)5988(Top 39%)5988(Top 113%)
15K9.32 mi3.11 mi6389+285778+255778+256417(Top 24%)5786(Top 38%)5786(Top 109%)
20K12.43 mi3.11 mi6232+1575655+1235655+1235827(Top 22%)5336(Top 35%)5336(Top 101%)
Half13.11 mi0.68 mi6198+345635+205635+205623(Top 21%)5183(Top 34%)5183(Top 98%)
25K15.53 mi2.42 mi6187+115619+165619+166148(Top 23%)5550(Top 37%)5550(Top 105%)
30K18.64 mi3.11 mi6036+1515492+1275492+1275757(Top 22%)5189(Top 34%)5189(Top 98%)
20M20.00 mi1.36 mi5986+505440+525440+525891(Top 22%)5210(Top 34%)5210(Top 99%)
21M21.00 mi1.00 mi5912+745371+695371+695443(Top 20%)4796(Top 32%)4796(Top 91%)
35K21.75 mi0.75 mi5863+495328+435328+435200(Top 20%)4651(Top 31%)4651(Top 88%)
23M23.00 mi1.25 mi5857+65311+175311+176777(Top 25%)5675(Top 37%)5675(Top 107%)
24M24.00 mi1.00 mi5904-475333-225333-228474(Top 32%)6586(Top 43%)6586(Top 125%)
40K24.85 mi0.85 mi5954-505362-295362-298742(Top 33%)6666(Top 44%)6666(Top 126%)
25.2M25.20 mi0.35 mi5998-445392-305392-3010637(Top 40%)7594(Top 50%)7594(Top 144%)
Finish26.22 mi1.02 mi6063-655428-365428-369271(Top 35%)6891(Top 45%)6891(Top 130%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6417

Males

5786

M18-39

5786

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6671

Males

5988

M18-39

5988

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6417

Males

5786

M18-39

5786

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

5827

Males

5336

M18-39

5336

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5623

Males

5183

M18-39

5183

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6148

Males

5550

M18-39

5550

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5757

Males

5189

M18-39

5189

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

5891

Males

5210

M18-39

5210

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5443

Males

4796

M18-39

4796

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5200

Males

4651

M18-39

4651

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6777

Males

5675

M18-39

5675

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8474

Males

6586

M18-39

6586

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8742

Males

6666

M18-39

6666

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10637

Males

7594

M18-39

7594

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9271

Males

6891

M18-39

6891

Passing Analysis

Category:
Athletes Passed
1144
Passed By
1014
Net Change
+130
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6193
5K → 10K92316-224#6193#6417
10K → 15K129101+28#6417#6389
15K → 20K18326+157#6389#6232
20K → Half417+34#6232#6198
Half → 25K8372+11#6198#6187
25K → 30K20049+151#6187#6036
30K → 20M8333+50#6036#5986
20M → 21M9319+74#5986#5912
21M → 35K6112+49#5912#5863
35K → 23M5347+6#5863#5857
23M → 24M4794-47#5857#5904
24M → 40K3585-50#5904#5954
40K → 25.2M1054-44#5954#5998
25.2M → Finish3499-65#5998#6063
TOTALS11441014+130
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing