Boston Marathon logo
BOSTON MARATHON 2023

Shea Kettner

Bib: 1702•M

MI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:49
Rank: #800
Start → 5K
18:49 | 6:03/mi
10K· 6.21 mi
38:23
Rank: #1147 (-347)
5K → 10K
19:34 | 6:18/mi
15K· 9.32 mi
57:34
Rank: #1140 (+7)
10K → 15K
19:11 | 6:10/mi
20K· 12.43 mi
1:16:44
Rank: #1085 (+55)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:20:55
Rank: #1084 (+1)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:35:52
Rank: #1049 (+35)
Half → 25K
14:57 | 6:10/mi
30K· 18.64 mi
1:55:15
Rank: #970 (+79)
25K → 30K
19:23 | 6:14/mi
20M
2:03:19
Rank: #895 (+75)
30K → 20M
8:04 | 5:56/mi
21M
2:09:41
Rank: #853 (+42)
20M → 21M
6:22 | 6:22/mi
35K· 21.75 mi
2:14:01
Rank: #820 (+33)
21M → 35K
4:20 | 5:48/mi
23M
2:21:38
Rank: #778 (+42)
35K → 23M
7:37 | 6:05/mi
24M
2:27:43
Rank: #771 (+7)
23M → 24M
6:05 | 6:05/mi
40K· 24.85 mi
2:33:12
Rank: #761 (+10)
24M → 40K
5:29 | 6:25/mi
25.2M
2:35:36
Rank: #765 (-4)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:42:01
Rank: #767 (-2)
25.2M → Finish
6:25 | 6:18/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 Half⚖️ Balanced
Distance13.11 mi
Time1:20:55
Pace6:10 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:06
Pace6:11 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1518:496:0318:49
6:03
-
10K
6.21 mi10:38:4938:236:1119:34
6:18
+0:15
15K
9.32 mi10:58:0057:346:1119:11
6:10
-0:08
20K
12.43 mi11:17:101:16:446:1019:10
6:10
0:00
Half
13.11 mi11:21:211:20:556:104:11
6:08
-0:02
25K
15.53 mi11:36:181:35:526:1014:57
6:10
+0:02
30K
18.64 mi11:55:411:55:156:1119:23
6:14
+0:04
20M
20.00 mi12:03:452:03:196:108:04
5:56
-0:18
21M
21.00 mi12:10:072:09:416:116:22
6:22
+0:26
35K
21.75 mi12:14:272:14:016:104:20
5:48
-0:34
23M
23.00 mi12:22:042:21:386:097:37
6:05
+0:17
24M
24.00 mi12:28:092:27:436:096:05
6:05
0:00
40K
24.85 mi12:33:382:33:126:105:29
6:25
+0:20
25.2M
25.20 mi12:36:022:35:366:102:24
6:58
+0:33
Finish
26.22 mi12:42:272:42:016:116:25
6:18
-0:40

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

5:48 /mi

Average Pace

6:11 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:24

8% of race

Time at Steady Pace

1:49:23

68% of race

Time at Slower Pace

40:14

25% of race

Average Pace: 6:11 /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 mi10:19:1518:496:0318:49
6:03
#800
10K
6.21 mi10:38:4938:236:1119:34
6:18
#1147
15K
9.32 mi10:58:0057:346:1119:11
6:10
#1140
20K
12.43 mi11:17:101:16:446:1019:10
6:10
#1085
Half
13.11 mi11:21:211:20:556:104:11
6:08
#1084
25K
15.53 mi11:36:181:35:526:1014:57
6:10
#1049
30K
18.64 mi11:55:411:55:156:1119:23
6:14
#970
20M
20.00 mi12:03:452:03:196:108:04
5:56
#895
21M
21.00 mi12:10:072:09:416:116:22
6:22
#853
35K
21.75 mi12:14:272:14:016:104:20
5:48
#820
23M
23.00 mi12:22:042:21:386:097:37
6:05
#778
24M
24.00 mi12:28:092:27:436:096:05
6:05
#771
40K
24.85 mi12:33:382:33:126:105:29
6:25
#761
25.2M
25.20 mi12:36:022:35:366:102:24
6:58
#765
Finish
26.22 mi12:42:272:42:016:116:25
6:18
#767
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8007517511156(Top 4%)1102(Top 7%)1102(Top 21%)
10K6.21 mi3.10 mi1147-3471084-3331084-3331758(Top 7%)1681(Top 11%)1681(Top 32%)
15K9.32 mi3.11 mi1140+71080+41080+41156(Top 4%)1102(Top 7%)1102(Top 21%)
20K12.43 mi3.11 mi1085+551030+501030+50963(Top 4%)915(Top 6%)915(Top 17%)
Half13.11 mi0.68 mi1084+11029+11029+11094(Top 4%)1043(Top 7%)1043(Top 20%)
25K15.53 mi2.42 mi1049+35997+32997+32901(Top 3%)854(Top 6%)854(Top 16%)
30K18.64 mi3.11 mi970+79921+76921+76763(Top 3%)725(Top 5%)725(Top 14%)
20M20.00 mi1.36 mi895+75848+73848+73285(Top 1%)260(Top 2%)260(Top 5%)
21M21.00 mi1.00 mi853+42808+40808+40442(Top 2%)409(Top 3%)409(Top 8%)
35K21.75 mi0.75 mi820+33776+32776+32377(Top 1%)348(Top 2%)348(Top 7%)
23M23.00 mi1.25 mi778+42735+41735+41443(Top 2%)415(Top 3%)415(Top 8%)
24M24.00 mi1.00 mi771+7728+7728+7722(Top 3%)684(Top 5%)684(Top 13%)
40K24.85 mi0.85 mi761+10719+9719+91221(Top 5%)1149(Top 8%)1149(Top 22%)
25.2M25.20 mi0.35 mi765-4722-3722-31566(Top 6%)1472(Top 10%)1472(Top 28%)
Finish26.22 mi1.02 mi767-2724-2724-21593(Top 6%)1498(Top 10%)1498(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1156

Males

1102

M18-39

1102

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1758

Males

1681

M18-39

1681

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1156

Males

1102

M18-39

1102

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

963

Males

915

M18-39

915

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1094

Males

1043

M18-39

1043

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

901

Males

854

M18-39

854

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

763

Males

725

M18-39

725

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

285

Males

260

M18-39

260

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

442

Males

409

M18-39

409

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

377

Males

348

M18-39

348

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

443

Males

415

M18-39

415

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

722

Males

684

M18-39

684

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1221

Males

1149

M18-39

1149

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1566

Males

1472

M18-39

1472

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1593

Males

1498

M18-39

1498

Passing Analysis

Category:
Athletes Passed
472
Passed By
439
Net Change
+33
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#800
5K → 10K0347-347#800#1147
10K → 15K3124+7#1147#1140
15K → 20K627+55#1140#1085
20K → Half76+1#1085#1084
Half → 25K4611+35#1084#1049
25K → 30K823+79#1049#970
30K → 20M761+75#970#895
20M → 21M453+42#895#853
21M → 35K330+33#853#820
35K → 23M431+42#820#778
23M → 24M125+7#778#771
24M → 40K2010+10#771#761
40K → 25.2M15-4#761#765
25.2M → Finish1416-2#765#767
TOTALS472439+33
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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