Boston Marathon logo
BOSTON MARATHON 2023

Phillip Ptak

Bib: 14703•M

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 43%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M50-54)
#0 / 2052
Top 50%
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
7:45/mi
24:06
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
48:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:30/mi
1:11:37
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:36:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:41:40
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
2:00:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:25:30
↑ 181↓ 1480.2%
20M
7:49/mi
2:36:08
↑ 64↓ 500.2%
21M
8:23/mi
2:44:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:50:06
↑ 17↓ 861.7%
23M
8:02/mi
3:00:09
↑ 23↓ 630.6%
24M
7:35/mi
3:07:44
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:14:44
↓ 200.3%
25.2M
10:06/mi
3:18:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:57/mi
3:27:20
↑ 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
Time1:41:40
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:45:40
Pace8:04 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3824:067:4524:06
7:45
-
10K
6.21 mi11:38:5048:187:4624:12
7:47
+0:02
15K
9.32 mi12:02:091:11:377:4123:19
7:30
-0:17
20K
12.43 mi12:27:091:36:377:4625:00
8:03
+0:33
Half
13.11 mi12:32:121:41:407:455:03
7:24
-0:39
25K
15.53 mi12:50:482:00:167:4518:36
7:40
+0:16
30K
18.64 mi13:16:022:25:307:4825:14
8:07
+0:27
20M
20.00 mi13:26:402:36:087:4810:38
7:49
-0:18
21M
21.00 mi13:35:032:44:317:508:23
8:23
+0:34
35K
21.75 mi13:40:382:50:067:495:35
7:28
-0:55
23M
23.00 mi13:50:413:00:097:5010:03
8:02
+0:34
24M
24.00 mi13:58:163:07:447:497:35
7:35
-0:27
40K
24.85 mi14:05:163:14:447:507:00
8:11
+0:36
25.2M
25.20 mi14:08:453:18:137:523:29
10:06
+1:55
Finish
26.22 mi14:17:523:27:207:559:07
8:57
-1:09

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

7:24 /mi

Average Pace

7:55 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

10:38

5% of race

Time at Steady Pace

2:48:43

81% of race

Time at Slower Pace

27:59

13% of race

Average Pace: 7:54 /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 mi11:14:3824:067:4524:06
7:45
#11968
10K
6.21 mi11:38:5048:187:4624:12
7:47
#12469
15K
9.32 mi12:02:091:11:377:4123:19
7:30
#11636
20K
12.43 mi12:27:091:36:377:4625:00
8:03
#12156
Half
13.11 mi12:32:121:41:407:455:03
7:24
#12022
25K
15.53 mi12:50:482:00:167:4518:36
7:40
#11638
30K
18.64 mi13:16:022:25:307:4825:14
8:07
#11652
20M
20.00 mi13:26:402:36:087:4810:38
7:49
#11414
21M
21.00 mi13:35:032:44:317:508:23
8:23
#11273
35K
21.75 mi13:40:382:50:067:495:35
7:28
#11155
23M
23.00 mi13:50:413:00:097:5010:03
8:02
#11059
24M
24.00 mi13:58:163:07:447:497:35
7:35
#10910
40K
24.85 mi14:05:163:14:447:507:00
8:11
#10920
25.2M
25.20 mi14:08:453:18:137:523:29
10:06
#11049
Finish
26.22 mi14:17:523:27:207:559:07
8:57
#11410
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi119689100910010212(Top 38%)8260(Top 54%)8260(Top 403%)
10K6.21 mi3.10 mi12469-5019308-2089308-20813009(Top 49%)9558(Top 63%)9558(Top 466%)
15K9.32 mi3.11 mi11636+8338934+3748934+37410212(Top 38%)8260(Top 54%)8260(Top 403%)
20K12.43 mi3.11 mi12156-5209124-1909124-19013788(Top 52%)9782(Top 64%)9782(Top 477%)
Half13.11 mi0.68 mi12022+1349074+509074+509443(Top 35%)7793(Top 51%)7793(Top 380%)
25K15.53 mi2.42 mi11638+3848904+1708904+17010081(Top 38%)8039(Top 53%)8039(Top 392%)
30K18.64 mi3.11 mi11652-148859+458859+4511783(Top 44%)8711(Top 57%)8711(Top 425%)
20M20.00 mi1.36 mi11414+2388732+1278732+1279071(Top 34%)7246(Top 48%)7246(Top 353%)
21M21.00 mi1.00 mi11273+1418652+808652+809738(Top 37%)7470(Top 49%)7470(Top 364%)
35K21.75 mi0.75 mi11155+1188589+638589+638285(Top 31%)6686(Top 44%)6686(Top 326%)
23M23.00 mi1.25 mi11059+968522+678522+679932(Top 37%)7447(Top 49%)7447(Top 363%)
24M24.00 mi1.00 mi10910+1498416+1068416+1068290(Top 31%)6495(Top 43%)6495(Top 317%)
40K24.85 mi0.85 mi10920-108391+258391+2511248(Top 42%)7953(Top 52%)7953(Top 388%)
25.2M25.20 mi0.35 mi11049-1298442-518442-5117707(Top 67%)10866(Top 72%)10866(Top 530%)
Finish26.22 mi1.02 mi11410-3618593-1518593-15117669(Top 66%)10900(Top 72%)10900(Top 531%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10212

Males

8260

M50-54

8260

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13009

Males

9558

M50-54

9558

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10212

Males

8260

M50-54

8260

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13788

Males

9782

M50-54

9782

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9443

Males

7793

M50-54

7793

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10081

Males

8039

M50-54

8039

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11783

Males

8711

M50-54

8711

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9071

Males

7246

M50-54

7246

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9738

Males

7470

M50-54

7470

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8285

Males

6686

M50-54

6686

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9932

Males

7447

M50-54

7447

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8290

Males

6495

M50-54

6495

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11248

Males

7953

M50-54

7953

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17707

Males

10866

M50-54

10866

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17669

Males

10900

M50-54

10900

Passing Analysis

Category:
Athletes Passed
2654
Passed By
2096
Net Change
+558
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11968
5K → 10K136637-501#11968#12469
10K → 15K84310+833#12469#11636
15K → 20K55575-520#11636#12156
20K → Half1362+134#12156#12022
Half → 25K39410+384#12022#11638
25K → 30K171185-14#11638#11652
30K → 20M2446+238#11652#11414
20M → 21M16928+141#11414#11273
21M → 35K1224+118#11273#11155
35K → 23M13842+96#11155#11059
23M → 24M16213+149#11059#10910
24M → 40K6070-10#10910#10920
40K → 25.2M10139-129#10920#11049
25.2M → Finish14375-361#11049#11410
TOTALS26542096+558
📊

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