Boston Marathon logo
BOSTON MARATHON 2023

Shaka Dukes

Bib: 5278•M

MI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:10
Rank: #2222
Start → 5K
20:10 | 6:29/mi
10K· 6.21 mi
39:43
Rank: #1941 (+281)
5K → 10K
19:33 | 6:18/mi
15K· 9.32 mi
59:05
Rank: #1738 (+203)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:18:25
Rank: #1562 (+176)
15K → 20K
19:20 | 6:13/mi
Half· 13.11 mi
1:22:39
Rank: #1557 (+5)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:37:36
Rank: #1402 (+155)
Half → 25K
14:57 | 6:10/mi
30K· 18.64 mi
1:57:14
Rank: #1301 (+101)
25K → 30K
19:38 | 6:19/mi
20M
2:05:39
Rank: #1222 (+79)
30K → 20M
8:25 | 6:12/mi
21M
2:12:13
Rank: #1176 (+46)
20M → 21M
6:34 | 6:34/mi
35K· 21.75 mi
2:16:52
Rank: #1167 (+9)
21M → 35K
4:39 | 6:13/mi
23M
2:24:50
Rank: #1141 (+26)
35K → 23M
7:58 | 6:22/mi
24M
2:31:08
Rank: #1132 (+9)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:36:41
Rank: #1140 (-8)
24M → 40K
5:33 | 6:29/mi
25.2M
2:39:05
Rank: #1137 (+3)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:45:26
Rank: #1130 (+7)
25.2M → Finish
6:21 | 6:14/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
Time1:22:39
Pace6:18 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:22:47
Pace6:19 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2920:106:2920:10
6:29
-
10K
6.21 mi10:42:0239:436:2419:33
6:18
-0:11
15K
9.32 mi11:01:2459:056:2019:22
6:14
-0:04
20K
12.43 mi11:20:441:18:256:1919:20
6:13
-0:01
Half
13.11 mi11:24:581:22:396:184:14
6:12
-0:01
25K
15.53 mi11:39:551:37:366:1714:57
6:10
-0:02
30K
18.64 mi11:59:331:57:146:1719:38
6:19
+0:09
20M
20.00 mi12:07:582:05:396:178:25
6:12
-0:07
21M
21.00 mi12:14:322:12:136:186:34
6:34
+0:22
35K
21.75 mi12:19:112:16:526:184:39
6:13
-0:21
23M
23.00 mi12:27:092:24:506:187:58
6:22
+0:09
24M
24.00 mi12:33:272:31:086:186:18
6:18
-0:04
40K
24.85 mi12:39:002:36:416:185:33
6:29
+0:11
25.2M
25.20 mi12:41:242:39:056:192:24
6:58
+0:29
Finish
26.22 mi12:47:452:45:266:196:21
6:14
-0:44

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

6:10 /mi

Average Pace

6:19 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:02

99% of race

Time at Steady Pace

2:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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 mi10:22:2920:106:2920:10
6:29
#2222
10K
6.21 mi10:42:0239:436:2419:33
6:18
#1941
15K
9.32 mi11:01:2459:056:2019:22
6:14
#1738
20K
12.43 mi11:20:441:18:256:1919:20
6:13
#1562
Half
13.11 mi11:24:581:22:396:184:14
6:12
#1557
25K
15.53 mi11:39:551:37:366:1714:57
6:10
#1402
30K
18.64 mi11:59:331:57:146:1719:38
6:19
#1301
20M
20.00 mi12:07:582:05:396:178:25
6:12
#1222
21M
21.00 mi12:14:322:12:136:186:34
6:34
#1176
35K
21.75 mi12:19:112:16:526:184:39
6:13
#1167
23M
23.00 mi12:27:092:24:506:187:58
6:22
#1141
24M
24.00 mi12:33:272:31:086:186:18
6:18
#1132
40K
24.85 mi12:39:002:36:416:185:33
6:29
#1140
25.2M
25.20 mi12:41:242:39:056:192:24
6:58
#1137
Finish
26.22 mi12:47:452:45:266:196:21
6:14
#1130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2222212021201358(Top 5%)1292(Top 9%)1292(Top 24%)
10K6.21 mi3.10 mi1941+2811858+2621858+2621738(Top 7%)1662(Top 11%)1662(Top 31%)
15K9.32 mi3.11 mi1738+2031661+1971661+1971358(Top 5%)1292(Top 9%)1292(Top 24%)
20K12.43 mi3.11 mi1562+1761492+1691492+1691116(Top 4%)1064(Top 7%)1064(Top 20%)
Half13.11 mi0.68 mi1557+51488+41488+41363(Top 5%)1303(Top 9%)1303(Top 25%)
25K15.53 mi2.42 mi1402+1551339+1491339+149913(Top 3%)866(Top 6%)866(Top 16%)
30K18.64 mi3.11 mi1301+1011243+961243+96961(Top 4%)915(Top 6%)915(Top 17%)
20M20.00 mi1.36 mi1222+791167+761167+76647(Top 2%)610(Top 4%)610(Top 12%)
21M21.00 mi1.00 mi1176+461122+451122+45796(Top 3%)753(Top 5%)753(Top 14%)
35K21.75 mi0.75 mi1167+91113+91113+91283(Top 5%)1220(Top 8%)1220(Top 23%)
23M23.00 mi1.25 mi1141+261089+241089+24992(Top 4%)942(Top 6%)942(Top 18%)
24M24.00 mi1.00 mi1132+91080+91080+91333(Top 5%)1261(Top 8%)1261(Top 24%)
40K24.85 mi0.85 mi1140-81086-61086-61485(Top 6%)1399(Top 9%)1399(Top 26%)
25.2M25.20 mi0.35 mi1137+31083+31083+31584(Top 6%)1490(Top 10%)1490(Top 28%)
Finish26.22 mi1.02 mi1130+71076+71076+71375(Top 5%)1300(Top 9%)1300(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1358

Males

1292

M18-39

1292

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1738

Males

1662

M18-39

1662

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1358

Males

1292

M18-39

1292

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1116

Males

1064

M18-39

1064

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1363

Males

1303

M18-39

1303

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

913

Males

866

M18-39

866

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

961

Males

915

M18-39

915

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

647

Males

610

M18-39

610

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

796

Males

753

M18-39

753

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1283

Males

1220

M18-39

1220

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

992

Males

942

M18-39

942

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1333

Males

1261

M18-39

1261

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1485

Males

1399

M18-39

1399

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1584

Males

1490

M18-39

1490

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1375

Males

1300

M18-39

1300

Passing Analysis

Category:
Athletes Passed
1198
Passed By
106
Net Change
+1092
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2222
5K → 10K30019+281#2222#1941
10K → 15K2063+203#1941#1738
15K → 20K1771+176#1738#1562
20K → Half127+5#1562#1557
Half → 25K1572+155#1557#1402
25K → 30K1032+101#1402#1301
30K → 20M790+79#1301#1222
20M → 21M537+46#1222#1176
21M → 35K167+9#1176#1167
35K → 23M3812+26#1167#1141
23M → 24M178+9#1141#1132
24M → 40K1119-8#1132#1140
40K → 25.2M96+3#1140#1137
25.2M → Finish2013+7#1137#1130
TOTALS1198106+1092
📊

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