Boston Marathon logo
BOSTON MARATHON 2023

Michael Palmer

Bib: 645•M

IL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
5:55/mi
18:23
↑ 97↓ 3451.5%
10K· 6.21 mi
5:52/mi
36:36
↑ 79↓ 1380.4%
15K· 9.32 mi
5:53/mi
54:53
↑ 67↓ 78
20K· 12.43 mi
5:54/mi
1:13:14
↑ 106↓ 860.1%
Half· 13.11 mi
5:52/mi
1:17:14
↑ 19↓ 370.5%
25K· 15.53 mi
5:59/mi
1:31:44
↑ 66↓ 880.2%
30K· 18.64 mi
6:02/mi
1:50:28
↑ 181↓ 1480.2%
20M
6:03/mi
1:58:41
↑ 64↓ 500.2%
21M
6:13/mi
2:04:54
↑ 106↓ 241.6%
35K· 21.75 mi
5:44/mi
2:09:11
↑ 17↓ 861.7%
23M
6:04/mi
2:16:47
↑ 23↓ 630.6%
24M
5:51/mi
2:22:38
↓ 821.3%
40K· 24.85 mi
5:52/mi
2:27:39
↓ 200.3%
25.2M
6:17/mi
2:29:49
↑ 13↓ 160.2%
Finish· 26.22 mi
5:37/mi
2:35:32
↑ 22↓ 21

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 HalfFaster
Distance13.11 mi
Time1:17:14
Pace5:53 /mi
2nd Half
Distance13.11 mi
Time1:18:18
Pace5:58 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3718:235:5518:23
5:55
-
10K
6.21 mi10:36:5036:365:5318:13
5:52
-0:03
15K
9.32 mi10:55:0754:535:5318:17
5:53
+0:01
20K
12.43 mi11:13:281:13:145:5418:21
5:54
+0:01
Half
13.11 mi11:17:281:17:145:534:00
5:52
-0:02
25K
15.53 mi11:31:581:31:445:5414:30
5:59
+0:07
30K
18.64 mi11:50:421:50:285:5618:44
6:02
+0:03
20M
20.00 mi11:58:551:58:415:568:13
6:03
+0:01
21M
21.00 mi12:05:082:04:545:576:13
6:13
+0:10
35K
21.75 mi12:09:252:09:115:564:17
5:44
-0:29
23M
23.00 mi12:17:012:16:475:577:36
6:04
+0:20
24M
24.00 mi12:22:522:22:385:575:51
5:51
-0:13
40K
24.85 mi12:27:532:27:395:565:01
5:52
+0:01
25.2M
25.20 mi12:30:032:29:495:572:10
6:17
+0:25
Finish
26.22 mi12:35:462:35:325:565:43
5:37
-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

5:37 /mi

Average Pace

5:56 /mi

Slowest Pace

6:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:09

95% of race

Time at Steady Pace

8:23

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:56 /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 mi10:18:3718:235:5518:23
5:55
#554
10K
6.21 mi10:36:5036:365:5318:13
5:52
#533
15K
9.32 mi10:55:0754:535:5318:17
5:53
#526
20K
12.43 mi11:13:281:13:145:5418:21
5:54
#483
Half
13.11 mi11:17:281:17:145:534:00
5:52
#480
25K
15.53 mi11:31:581:31:445:5414:30
5:59
#487
30K
18.64 mi11:50:421:50:285:5618:44
6:02
#464
20M
20.00 mi11:58:551:58:415:568:13
6:03
#455
21M
21.00 mi12:05:082:04:545:576:13
6:13
#441
35K
21.75 mi12:09:252:09:115:564:17
5:44
#431
23M
23.00 mi12:17:012:16:475:577:36
6:04
#419
24M
24.00 mi12:22:522:22:385:575:51
5:51
#407
40K
24.85 mi12:27:532:27:395:565:01
5:52
#385
25.2M
25.20 mi12:30:032:29:495:572:10
6:17
#376
Finish
26.22 mi12:35:462:35:325:565:43
5:37
#360
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi554511511476(Top 2%)440(Top 3%)440(Top 8%)
10K6.21 mi3.10 mi533+21491+20491+20523(Top 2%)481(Top 3%)481(Top 9%)
15K9.32 mi3.11 mi526+7484+7484+7476(Top 2%)440(Top 3%)440(Top 8%)
20K12.43 mi3.11 mi483+43444+40444+40424(Top 2%)389(Top 3%)389(Top 7%)
Half13.11 mi0.68 mi480+3441+3441+3467(Top 2%)429(Top 3%)429(Top 8%)
25K15.53 mi2.42 mi487-7448-7448-7516(Top 2%)479(Top 3%)479(Top 9%)
30K18.64 mi3.11 mi464+23427+21427+21395(Top 1%)364(Top 2%)364(Top 7%)
20M20.00 mi1.36 mi455+9420+7420+7397(Top 1%)365(Top 2%)365(Top 7%)
21M21.00 mi1.00 mi441+14406+14406+14254(Top 1.0%)230(Top 2%)230(Top 4%)
35K21.75 mi0.75 mi431+10396+10396+10266(Top 1.0%)241(Top 2%)241(Top 5%)
23M23.00 mi1.25 mi419+12384+12384+12398(Top 1%)370(Top 2%)370(Top 7%)
24M24.00 mi1.00 mi407+12373+11373+11313(Top 1%)287(Top 2%)287(Top 5%)
40K24.85 mi0.85 mi385+22353+20353+20196(Top 0.7%)175(Top 1%)175(Top 3%)
25.2M25.20 mi0.35 mi376+9344+9344+9216(Top 0.8%)197(Top 1%)197(Top 4%)
Finish26.22 mi1.02 mi360+16328+16328+16157(Top 0.6%)142(Top 0.9%)142(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

476

Males

440

M18-39

440

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

523

Males

481

M18-39

481

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

476

Males

440

M18-39

440

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

424

Males

389

M18-39

389

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

467

Males

429

M18-39

429

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

516

Males

479

M18-39

479

25K→30K

15.5 - 18.6 mi

Top 1%
×9story building
+181ft-148ft

Overall

395

Males

364

M18-39

364

30K→20M

18.6 - 20.0 mi

Top 1%
×5story building
+64ft-50ft

Overall

397

Males

365

M18-39

365

20M→21M

20.0 - 21.0 mi

Top 1.0%
×8story building
+106ft-24ft

Overall

254

Males

230

M18-39

230

21M→35K

21.0 - 21.8 mi

Top 1.0%
×7story building
+17ft-86ft

Overall

266

Males

241

M18-39

241

35K→23M

21.8 - 23.0 mi

Top 1%
×5story building
+23ft-63ft

Overall

398

Males

370

M18-39

370

23M→24M

23.0 - 24.0 mi

Top 1%
×6story building
+12ft-82ft

Overall

313

Males

287

M18-39

287

24M→40K

24.0 - 24.9 mi

Top 0.7%
×1story
+6ft-20ft

Overall

196

Males

175

M18-39

175

40K→25.2M

24.9 - 25.2 mi

Top 0.8%
×1story
+13ft-16ft

Overall

216

Males

197

M18-39

197

25.2M→Finish

25.2 - 26.2 mi

Top 0.6%
×2story building
+22ft-21ft

Overall

157

Males

142

M18-39

142

Passing Analysis

Category:
Athletes Passed
270
Passed By
76
Net Change
+194
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#554
5K → 10K4625+21#554#533
10K → 15K1912+7#533#526
15K → 20K452+43#526#483
20K → Half52+3#483#480
Half → 25K714-7#480#487
25K → 30K329+23#487#464
30K → 20M134+9#464#455
20M → 21M140+14#455#441
21M → 35K111+10#441#431
35K → 23M131+12#431#419
23M → 24M153+12#419#407
24M → 40K231+22#407#385
40K → 25.2M90+9#385#376
25.2M → Finish182+16#376#360
TOTALS27076+194
📊

Passing Visuals

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