Boston Marathon logo
BOSTON MARATHON 2023

Douglas Lipinski

Bib: 2746•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:34
Rank: #3031
Start → 5K
20:34 | 6:37/mi
10K· 6.21 mi
40:24
Rank: #2515 (+516)
5K → 10K
19:50 | 6:23/mi
15K· 9.32 mi
1:00:10
Rank: #2290 (+225)
10K → 15K
19:46 | 6:22/mi
20K· 12.43 mi
1:20:06
Rank: #2178 (+112)
15K → 20K
19:56 | 6:25/mi
Half· 13.11 mi
1:24:11
Rank: #2051 (+127)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:39:18
Rank: #1861 (+190)
Half → 25K
15:07 | 6:14/mi
30K· 18.64 mi
1:59:12
Rank: #1706 (+155)
25K → 30K
19:54 | 6:24/mi
20M
2:07:53
Rank: #1653 (+53)
30K → 20M
8:41 | 6:23/mi
21M
2:14:37
Rank: #1611 (+42)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:19:13
Rank: #1577 (+34)
21M → 35K
4:36 | 6:09/mi
23M
2:27:06
Rank: #1503 (+74)
35K → 23M
7:53 | 6:18/mi
24M
2:33:11
Rank: #1438 (+65)
23M → 24M
6:05 | 6:05/mi
40K· 24.85 mi
2:38:37
Rank: #1408 (+30)
24M → 40K
5:26 | 6:21/mi
25.2M
2:40:56
Rank: #1398 (+10)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:47:06
Rank: #1338 (+60)
25.2M → Finish
6:10 | 6:03/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
Distance13.11 mi
Time1:24:11
Pace6:25 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:55
Pace6:20 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3020:346:3720:34
6:37
-
10K
6.21 mi10:41:2040:246:3019:50
6:23
-0:14
15K
9.32 mi11:01:061:00:106:2719:46
6:22
-0:01
20K
12.43 mi11:21:021:20:066:2719:56
6:25
+0:03
Half
13.11 mi11:25:071:24:116:254:05
5:59
-0:26
25K
15.53 mi11:40:141:39:186:2415:07
6:14
+0:15
30K
18.64 mi12:00:081:59:126:2419:54
6:24
+0:10
20M
20.00 mi12:08:492:07:536:248:41
6:23
-0:01
21M
21.00 mi12:15:332:14:376:256:44
6:44
+0:21
35K
21.75 mi12:20:092:19:136:244:36
6:09
-0:35
23M
23.00 mi12:28:022:27:066:247:53
6:18
+0:09
24M
24.00 mi12:34:072:33:116:236:05
6:05
-0:13
40K
24.85 mi12:39:332:38:376:235:26
6:21
+0:16
25.2M
25.20 mi12:41:522:40:566:232:19
6:43
+0:22
Finish
26.22 mi12:48:022:47:066:236:10
6:03
-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

5:59 /mi

Average Pace

6:23 /mi

Slowest Pace

6:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:29

82% of race

Time at Steady Pace

29:37

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:21:3020:346:3720:34
6:37
#3031
10K
6.21 mi10:41:2040:246:3019:50
6:23
#2515
15K
9.32 mi11:01:061:00:106:2719:46
6:22
#2290
20K
12.43 mi11:21:021:20:066:2719:56
6:25
#2178
Half
13.11 mi11:25:071:24:116:254:05
5:59
#2051
25K
15.53 mi11:40:141:39:186:2415:07
6:14
#1861
30K
18.64 mi12:00:081:59:126:2419:54
6:24
#1706
20M
20.00 mi12:08:492:07:536:248:41
6:23
#1653
21M
21.00 mi12:15:332:14:376:256:44
6:44
#1611
35K
21.75 mi12:20:092:19:136:244:36
6:09
#1577
23M
23.00 mi12:28:022:27:066:247:53
6:18
#1503
24M
24.00 mi12:34:072:33:116:236:05
6:05
#1438
40K
24.85 mi12:39:332:38:376:235:26
6:21
#1408
25.2M
25.20 mi12:41:522:40:566:232:19
6:43
#1398
Finish
26.22 mi12:48:022:47:066:236:10
6:03
#1338
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3031287128711936(Top 7%)1854(Top 12%)1854(Top 35%)
10K6.21 mi3.10 mi2515+5162398+4732398+4732181(Top 8%)2089(Top 14%)2089(Top 40%)
15K9.32 mi3.11 mi2290+2252193+2052193+2051936(Top 7%)1854(Top 12%)1854(Top 35%)
20K12.43 mi3.11 mi2178+1122086+1072086+1071873(Top 7%)1796(Top 12%)1796(Top 34%)
Half13.11 mi0.68 mi2051+1271964+1221964+122752(Top 3%)711(Top 5%)711(Top 13%)
25K15.53 mi2.42 mi1861+1901780+1841780+1841104(Top 4%)1051(Top 7%)1051(Top 20%)
30K18.64 mi3.11 mi1706+1551631+1491631+1491228(Top 5%)1172(Top 8%)1172(Top 22%)
20M20.00 mi1.36 mi1653+531580+511580+511133(Top 4%)1083(Top 7%)1083(Top 20%)
21M21.00 mi1.00 mi1611+421540+401540+401232(Top 5%)1174(Top 8%)1174(Top 22%)
35K21.75 mi0.75 mi1577+341507+331507+331121(Top 4%)1065(Top 7%)1065(Top 20%)
23M23.00 mi1.25 mi1503+741435+721435+72846(Top 3%)802(Top 5%)802(Top 15%)
24M24.00 mi1.00 mi1438+651372+631372+63747(Top 3%)707(Top 5%)707(Top 13%)
40K24.85 mi0.85 mi1408+301343+291343+291094(Top 4%)1033(Top 7%)1033(Top 20%)
25.2M25.20 mi0.35 mi1398+101333+101333+10992(Top 4%)939(Top 6%)939(Top 18%)
Finish26.22 mi1.02 mi1338+601274+591274+59879(Top 3%)839(Top 6%)839(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1936

Males

1854

M18-39

1854

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2181

Males

2089

M18-39

2089

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1936

Males

1854

M18-39

1854

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1873

Males

1796

M18-39

1796

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

752

Males

711

M18-39

711

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1104

Males

1051

M18-39

1051

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1228

Males

1172

M18-39

1172

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1133

Males

1083

M18-39

1083

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1232

Males

1174

M18-39

1174

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1121

Males

1065

M18-39

1065

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

846

Males

802

M18-39

802

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

747

Males

707

M18-39

707

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1094

Males

1033

M18-39

1033

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

992

Males

939

M18-39

939

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

879

Males

839

M18-39

839

Passing Analysis

Category:
Athletes Passed
1772
Passed By
79
Net Change
+1693
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3031
5K → 10K53418+516#3031#2515
10K → 15K23510+225#2515#2290
15K → 20K12917+112#2290#2178
20K → Half1270+127#2178#2051
Half → 25K1911+190#2051#1861
25K → 30K1594+155#1861#1706
30K → 20M585+53#1706#1653
20M → 21M486+42#1653#1611
21M → 35K351+34#1611#1577
35K → 23M740+74#1577#1503
23M → 24M683+65#1503#1438
24M → 40K377+30#1438#1408
40K → 25.2M155+10#1408#1398
25.2M → Finish622+60#1398#1338
TOTALS177279+1693
📊

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