Boston Marathon logo
BOSTON MARATHON 2023

Piotr Lata

Bib: 10489•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 46%
Masters (Masters Men)
#0 / 9891
Top 34%
Division (M50-54)
#0 / 2052
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:22
Rank: #7489
Start → 5K
22:22 | 7:12/mi
10K· 6.21 mi
44:38
Rank: #7647 (-158)
5K → 10K
22:16 | 7:10/mi
15K· 9.32 mi
1:07:07
Rank: #7753 (-106)
10K → 15K
22:29 | 7:14/mi
20K· 12.43 mi
1:29:49
Rank: #7752 (+1)
15K → 20K
22:42 | 7:18/mi
Half· 13.11 mi
1:34:44
Rank: #7740 (+12)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:52:45
Rank: #7776 (-36)
Half → 25K
18:01 | 7:26/mi
30K· 18.64 mi
2:16:59
Rank: #8008 (-232)
25K → 30K
24:14 | 7:48/mi
20M
2:28:04
Rank: #8201 (-193)
30K → 20M
11:05 | 8:09/mi
21M
2:36:20
Rank: #8230 (-29)
20M → 21M
8:16 | 8:17/mi
35K· 21.75 mi
2:42:32
Rank: #8441 (-211)
21M → 35K
6:12 | 8:17/mi
23M
2:52:24
Rank: #8425 (+16)
35K → 23M
9:52 | 7:53/mi
24M
3:00:09
Rank: #8444 (-19)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:06:44
Rank: #8405 (+39)
24M → 40K
6:35 | 7:42/mi
25.2M
3:09:40
Rank: #8421 (-16)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:17:35
Rank: #8492 (-71)
25.2M → Finish
7:55 | 7:46/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 HalfFaster
Distance13.11 mi
Time1:34:44
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:42:51
Pace7:51 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3322:227:1222:22
7:12
-
10K
6.21 mi11:10:4944:387:1122:16
7:10
-0:02
15K
9.32 mi11:33:181:07:077:1222:29
7:14
+0:04
20K
12.43 mi11:56:001:29:497:1422:42
7:18
+0:04
Half
13.11 mi12:00:551:34:447:144:55
7:12
-0:06
25K
15.53 mi12:18:561:52:457:1518:01
7:26
+0:14
30K
18.64 mi12:43:102:16:597:2124:14
7:48
+0:22
20M
20.00 mi12:54:152:28:047:2411:05
8:09
+0:21
21M
21.00 mi13:02:312:36:207:278:16
8:17
+0:08
35K
21.75 mi13:08:432:42:327:286:12
8:17
0:00
23M
23.00 mi13:18:352:52:247:309:52
7:53
-0:24
24M
24.00 mi13:26:203:00:097:307:45
7:45
-0:08
40K
24.85 mi13:32:553:06:447:316:35
7:42
-0:03
25.2M
25.20 mi13:35:513:09:407:322:56
8:30
+0:48
Finish
26.22 mi13:43:463:17:357:327:55
7:46
-0:44

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

7:10 /mi

Average Pace

7:32 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:14

81% of race

Time at Steady Pace

35:25

18% of race

Time at Slower Pace

2:56

1% of race

Average Pace: 7:32 /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 mi10:48:3322:227:1222:22
7:12
#7489
10K
6.21 mi11:10:4944:387:1122:16
7:10
#7647
15K
9.32 mi11:33:181:07:077:1222:29
7:14
#7753
20K
12.43 mi11:56:001:29:497:1422:42
7:18
#7752
Half
13.11 mi12:00:551:34:447:144:55
7:12
#7740
25K
15.53 mi12:18:561:52:457:1518:01
7:26
#7776
30K
18.64 mi12:43:102:16:597:2124:14
7:48
#8008
20M
20.00 mi12:54:152:28:047:2411:05
8:09
#8201
21M
21.00 mi13:02:312:36:207:278:16
8:17
#8230
35K
21.75 mi13:08:432:42:327:286:12
8:17
#8441
23M
23.00 mi13:18:352:52:247:309:52
7:53
#8425
24M
24.00 mi13:26:203:00:097:307:45
7:45
#8444
40K
24.85 mi13:32:553:06:447:316:35
7:42
#8405
25.2M
25.20 mi13:35:513:09:407:322:56
8:30
#8421
Finish
26.22 mi13:43:463:17:357:327:55
7:46
#8492
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7489664166418053(Top 30%)6956(Top 46%)6956(Top 339%)
10K6.21 mi3.10 mi7647-1586738-976738-977877(Top 30%)6857(Top 45%)6857(Top 334%)
15K9.32 mi3.11 mi7753-1066795-576795-578053(Top 30%)6956(Top 46%)6956(Top 339%)
20K12.43 mi3.11 mi7752+16780+156780+157824(Top 29%)6770(Top 45%)6770(Top 330%)
Half13.11 mi0.68 mi7740+126767+136767+137890(Top 30%)6838(Top 45%)6838(Top 333%)
25K15.53 mi2.42 mi7776-366770-36770-38246(Top 31%)6969(Top 46%)6969(Top 340%)
30K18.64 mi3.11 mi8008-2326881-1116881-1119347(Top 35%)7474(Top 49%)7474(Top 364%)
20M20.00 mi1.36 mi8201-1936982-1016982-10111354(Top 43%)8416(Top 55%)8416(Top 410%)
21M21.00 mi1.00 mi8230-296979+36979+39078(Top 34%)7095(Top 47%)7095(Top 346%)
35K21.75 mi0.75 mi8441-2117104-1257104-12513974(Top 52%)9393(Top 62%)9393(Top 458%)
23M23.00 mi1.25 mi8425+167081+237081+238927(Top 34%)6927(Top 46%)6927(Top 338%)
24M24.00 mi1.00 mi8444-197064+177064+179399(Top 35%)7097(Top 47%)7097(Top 346%)
40K24.85 mi0.85 mi8405+397020+447020+447968(Top 30%)6231(Top 41%)6231(Top 304%)
25.2M25.20 mi0.35 mi8421-167018+27018+29480(Top 36%)7006(Top 46%)7006(Top 341%)
Finish26.22 mi1.02 mi8492-717045-277045-2710409(Top 39%)7493(Top 49%)7493(Top 365%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8053

Males

6956

M50-54

6956

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

7877

Males

6857

M50-54

6857

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8053

Males

6956

M50-54

6956

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7824

Males

6770

M50-54

6770

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7890

Males

6838

M50-54

6838

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8246

Males

6969

M50-54

6969

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9347

Males

7474

M50-54

7474

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11354

Males

8416

M50-54

8416

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9078

Males

7095

M50-54

7095

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

13974

Males

9393

M50-54

9393

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

8927

Males

6927

M50-54

6927

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9399

Males

7097

M50-54

7097

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7968

Males

6231

M50-54

6231

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9480

Males

7006

M50-54

7006

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10409

Males

7493

M50-54

7493

Passing Analysis

Category:
Athletes Passed
947
Passed By
1950
Net Change
-1003
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7489
5K → 10K156314-158#7489#7647
10K → 15K96202-106#7647#7753
15K → 20K112111+1#7753#7752
20K → Half3119+12#7752#7740
Half → 25K79115-36#7740#7776
25K → 30K60292-232#7776#8008
30K → 20M48241-193#8008#8201
20M → 21M5887-29#8201#8230
21M → 35K12223-211#8230#8441
35K → 23M8771+16#8441#8425
23M → 24M6180-19#8425#8444
24M → 40K7233+39#8444#8405
40K → 25.2M2844-16#8405#8421
25.2M → Finish47118-71#8421#8492
TOTALS9471950-1003
📊

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