Boston Marathon logo
BOSTON MARATHON 2023

J.d. Burnes

Bib: 2457•M

ON

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:59
Rank: #1938
Start → 5K
19:59 | 6:26/mi
10K· 6.21 mi
39:41
Rank: #1919 (+19)
5K → 10K
19:42 | 6:20/mi
15K· 9.32 mi
59:27
Rank: #1910 (+9)
10K → 15K
19:46 | 6:22/mi
20K· 12.43 mi
1:19:18
Rank: #1848 (+62)
15K → 20K
19:51 | 6:23/mi
Half· 13.11 mi
1:23:39
Rank: #1854 (-6)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:39:12
Rank: #1830 (+24)
Half → 25K
15:33 | 6:25/mi
30K· 18.64 mi
1:59:24
Rank: #1751 (+79)
25K → 30K
20:12 | 6:30/mi
20M
2:08:13
Rank: #1708 (+43)
30K → 20M
8:49 | 6:29/mi
21M
2:15:00
Rank: #1669 (+39)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:19:38
Rank: #1639 (+30)
21M → 35K
4:38 | 6:12/mi
23M
2:27:37
Rank: #1592 (+47)
35K → 23M
7:59 | 6:23/mi
24M
2:33:46
Rank: #1535 (+57)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:39:06
Rank: #1483 (+52)
24M → 40K
5:20 | 6:14/mi
25.2M
2:41:15
Rank: #1444 (+39)
40K → 25.2M
2:09 | 6:15/mi
Finish· 26.22 mi
2:47:38
Rank: #1427 (+17)
25.2M → Finish
6:23 | 6:15/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
Time1:23:39
Pace6:23 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:59
Pace6:24 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4219:596:2619:59
6:26
-
10K
6.21 mi10:40:2439:416:2319:42
6:20
-0:06
15K
9.32 mi11:00:1059:276:2319:46
6:22
+0:02
20K
12.43 mi11:20:011:19:186:2319:51
6:23
+0:01
Half
13.11 mi11:24:221:23:396:234:21
6:23
0:00
25K
15.53 mi11:39:551:39:126:2315:33
6:25
+0:02
30K
18.64 mi12:00:071:59:246:2420:12
6:30
+0:05
20M
20.00 mi12:08:562:08:136:258:49
6:29
-0:01
21M
21.00 mi12:15:432:15:006:266:47
6:47
+0:18
35K
21.75 mi12:20:212:19:386:254:38
6:12
-0:35
23M
23.00 mi12:28:202:27:376:257:59
6:23
+0:11
24M
24.00 mi12:34:292:33:466:246:09
6:09
-0:14
40K
24.85 mi12:39:492:39:066:245:20
6:14
+0:05
25.2M
25.20 mi12:41:582:41:156:242:09
6:15
+0:01
Finish
26.22 mi12:48:212:47:386:246:23
6:15
0:00

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

6:09 /mi

Average Pace

6:24 /mi

Slowest Pace

6:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:51

96% of race

Time at Steady Pace

6:47

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:24 /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 mi10:20:4219:596:2619:59
6:26
#1938
10K
6.21 mi10:40:2439:416:2319:42
6:20
#1919
15K
9.32 mi11:00:1059:276:2319:46
6:22
#1910
20K
12.43 mi11:20:011:19:186:2319:51
6:23
#1848
Half
13.11 mi11:24:221:23:396:234:21
6:23
#1854
25K
15.53 mi11:39:551:39:126:2315:33
6:25
#1830
30K
18.64 mi12:00:071:59:246:2420:12
6:30
#1751
20M
20.00 mi12:08:562:08:136:258:49
6:29
#1708
21M
21.00 mi12:15:432:15:006:266:47
6:47
#1669
35K
21.75 mi12:20:212:19:386:254:38
6:12
#1639
23M
23.00 mi12:28:202:27:376:257:59
6:23
#1592
24M
24.00 mi12:34:292:33:466:246:09
6:09
#1535
40K
24.85 mi12:39:492:39:066:245:20
6:14
#1483
25.2M
25.20 mi12:41:582:41:156:242:09
6:15
#1444
Finish
26.22 mi12:48:212:47:386:246:23
6:15
#1427
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1938184918491920(Top 7%)1838(Top 12%)1838(Top 35%)
10K6.21 mi3.10 mi1919+191836+131836+131937(Top 7%)1856(Top 12%)1856(Top 35%)
15K9.32 mi3.11 mi1910+91828+81828+81920(Top 7%)1838(Top 12%)1838(Top 35%)
20K12.43 mi3.11 mi1848+621768+601768+601742(Top 7%)1668(Top 11%)1668(Top 32%)
Half13.11 mi0.68 mi1854-61775-71775-72054(Top 8%)1970(Top 13%)1970(Top 37%)
25K15.53 mi2.42 mi1830+241750+251750+251762(Top 7%)1686(Top 11%)1686(Top 32%)
30K18.64 mi3.11 mi1751+791675+751675+751555(Top 6%)1488(Top 10%)1488(Top 28%)
20M20.00 mi1.36 mi1708+431634+411634+411397(Top 5%)1332(Top 9%)1332(Top 25%)
21M21.00 mi1.00 mi1669+391595+391595+391355(Top 5%)1292(Top 9%)1292(Top 24%)
35K21.75 mi0.75 mi1639+301567+281567+281227(Top 5%)1170(Top 8%)1170(Top 22%)
23M23.00 mi1.25 mi1592+471522+451522+451038(Top 4%)985(Top 6%)985(Top 19%)
24M24.00 mi1.00 mi1535+571466+561466+56886(Top 3%)841(Top 6%)841(Top 16%)
40K24.85 mi0.85 mi1483+521415+511415+51747(Top 3%)708(Top 5%)708(Top 13%)
25.2M25.20 mi0.35 mi1444+391378+371378+37198(Top 0.7%)179(Top 1%)179(Top 3%)
Finish26.22 mi1.02 mi1427+171360+181360+181464(Top 5%)1383(Top 9%)1383(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1920

Males

1838

M18-39

1838

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1937

Males

1856

M18-39

1856

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1920

Males

1838

M18-39

1838

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1742

Males

1668

M18-39

1668

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2054

Males

1970

M18-39

1970

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1762

Males

1686

M18-39

1686

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1555

Males

1488

M18-39

1488

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1397

Males

1332

M18-39

1332

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1355

Males

1292

M18-39

1292

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1227

Males

1170

M18-39

1170

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1038

Males

985

M18-39

985

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

886

Males

841

M18-39

841

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

747

Males

708

M18-39

708

40K→25.2M

24.9 - 25.2 mi

Top 0.7%
×1story
+13ft-16ft

Overall

198

Males

179

M18-39

179

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1464

Males

1383

M18-39

1383

Passing Analysis

Category:
Athletes Passed
794
Passed By
283
Net Change
+511
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1938
5K → 10K11091+19#1938#1919
10K → 15K6859+9#1919#1910
15K → 20K8927+62#1910#1848
20K → Half915-6#1848#1854
Half → 25K4319+24#1854#1830
25K → 30K10425+79#1830#1751
30K → 20M5310+43#1751#1708
20M → 21M412+39#1708#1669
21M → 35K366+30#1669#1639
35K → 23M536+47#1639#1592
23M → 24M603+57#1592#1535
24M → 40K553+52#1535#1483
40K → 25.2M390+39#1483#1444
25.2M → Finish3417+17#1444#1427
TOTALS794283+511
📊

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