Boston Marathon logo
BOSTON MARATHON 2023

Jack Burke

MA

Bib: 30020 M

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

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
11:16/mi
35:00
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
11:11/mi
1:09:45
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:08/mi
1:44:19
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:31/mi
2:20:07
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:48/mi
2:27:29
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:36/mi
2:55:36
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:36/mi
3:31:38
↑ 181↓ 1480.2%
138 ft elev
20M
11:31/mi
3:47:17
↑ 64↓ 500.2%
148 ft elev
21M
12:13/mi
3:59:30
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:24/mi
4:08:02
↑ 17↓ 861.7%
156 ft elev
23M
12:51/mi
4:24:07
↑ 23↓ 630.6%
116 ft elev
24M
11:18/mi
4:35:25
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:27/mi
4:45:12
↓ 200.3%
20 ft elev
25.2M
12:40/mi
4:49:34
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:02/mi
5:00:49
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:27:2911:15 /mi⚡ faster
2nd Half
2:33:2011:42 /mi+4.0%
Positive split — 4.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4935:0011:1635:00
11:16
-
10K
6.21 mi12:30:341:09:4511:1434:45
11:11
-0:05
15K
9.32 mi13:05:081:44:1911:1234:34
11:08
-0:03
20K
12.43 mi13:40:562:20:0711:1635:48
11:31
+0:23
Half
13.11 mi13:48:182:27:2911:157:22
10:48
-0:43
25K
15.53 mi14:16:252:55:3611:1828:07
11:36
+0:48
30K
18.64 mi14:52:273:31:3811:2136:02
11:36
0:00
20M
20.00 mi15:08:063:47:1711:2215:39
11:31
-0:05
21M
21.00 mi15:20:193:59:3011:2412:13
12:13
+0:42
35K
21.75 mi15:28:514:08:0211:248:32
11:24
-0:49
23M
23.00 mi15:44:564:24:0711:2916:05
12:51
+1:27
24M
24.00 mi15:56:144:35:2511:2911:18
11:18
-1:33
40K
24.85 mi16:06:014:45:1211:289:47
11:27
+0:09
25.2M
25.20 mi16:10:234:49:3411:294:22
12:40
+1:13
Finish
26.22 mi16:21:385:00:4911:2911:15
11:02
-1:38

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

10:48 /mi

Average Pace

11:29 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

4:28:09

89% of race

Time at Steady Pace

16:35

6% of race

Time at Slower Pace

16:05

5% of race

Average Pace: 11:28 /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 mi11:55:4935:0011:1635:00
11:16
#25995
10K
6.21 mi12:30:341:09:4511:1434:45
11:11
#25841
15K
9.32 mi13:05:081:44:1911:1234:34
11:08
#25687
20K
12.43 mi13:40:562:20:0711:1635:48
11:31
#25555
Half
13.11 mi13:48:182:27:2911:157:22
10:48
#25511
25K
15.53 mi14:16:252:55:3611:1828:07
11:36
#25385
30K
18.64 mi14:52:273:31:3811:2136:02
11:36
#25166
20M
20.00 mi15:08:063:47:1711:2215:39
11:31
#25051
21M
21.00 mi15:20:193:59:3011:2412:13
12:13
#24984
35K
21.75 mi15:28:514:08:0211:248:32
11:24
#24948
23M
23.00 mi15:44:564:24:0711:2916:05
12:51
#24965
24M
24.00 mi15:56:144:35:2511:2911:18
11:18
#24935
40K
24.85 mi16:06:014:45:1211:289:47
11:27
#24868
25.2M
25.20 mi16:10:234:49:3411:294:22
12:40
#24860
Finish
26.22 mi16:21:385:00:4911:2911:15
11:02
#24856
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi259951492414924253391466714667
10K6.21 mi3.10 mi25841+15414875+4914875+49256651481014810
15K9.32 mi3.11 mi25687+15414816+5914816+59253391466714667
20K12.43 mi3.11 mi25555+13214750+6614750+66252621460314603
Half13.11 mi0.68 mi25511+4414732+1814732+18246631434314343
25K15.53 mi2.42 mi25385+12614672+6014672+60247821436814368
30K18.64 mi3.11 mi25166+21914564+10814564+108240021396213962
20M20.00 mi1.36 mi25051+11514503+6114503+61235421370913709
21M21.00 mi1.00 mi24984+6714462+4114462+41230741346513465
35K21.75 mi0.75 mi24948+3614443+1914443+19239751383813838
23M23.00 mi1.25 mi24965-1714444-114444-1249301431214312
24M24.00 mi1.00 mi24935+3014423+2114423+21235831362713627
40K24.85 mi0.85 mi24868+6714388+3514388+35231211337613376
25.2M25.20 mi0.35 mi24860+814381+714381+7235211356413564
Finish26.22 mi1.02 mi24856+414372+914372+9240431384213842

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25339

Males

14667

M18-39

14667

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25665

Males

14810

M18-39

14810

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25339

Males

14667

M18-39

14667

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25262

Males

14603

M18-39

14603

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24663

Males

14343

M18-39

14343

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24782

Males

14368

M18-39

14368

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

24002

Males

13962

M18-39

13962

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23542

Males

13709

M18-39

13709

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23074

Males

13465

M18-39

13465

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23975

Males

13838

M18-39

13838

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

24930

Males

14312

M18-39

14312

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23583

Males

13627

M18-39

13627

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23121

Males

13376

M18-39

13376

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23521

Males

13564

M18-39

13564

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

24043

Males

13842

M18-39

13842

Passing Analysis

Category:
Athletes Passed
1366
Passed By
227
Net Change
+1139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25995
5K → 10K20652+154#25995#25841
10K → 15K17925+154#25841#25687
15K → 20K15624+132#25687#25555
20K → Half484+44#25555#25511
Half → 25K13610+126#25511#25385
25K → 30K2234+219#25385#25166
30K → 20M1194+115#25166#25051
20M → 21M7811+67#25051#24984
21M → 35K4610+36#24984#24948
35K → 23M2340-17#24948#24965
23M → 24M4414+30#24965#24935
24M → 40K714+67#24935#24868
40K → 25.2M157+8#24868#24860
25.2M → Finish2218+4#24860#24856
TOTALS1366227+1139

Passing Charts

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing