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BOSTON MARATHON 2023

Thomas Porebski

Bib: 404•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Masters (Masters Men)
#0 / 9891
Top 0.4%
Division (M40-44)
#0 / 2241
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
17:19
Rank: #167
Start → 5K
17:19 | 5:35/mi
10K· 6.21 mi
34:39
Rank: #156 (+11)
5K → 10K
17:19 | 5:35/mi
15K· 9.32 mi
51:58
Rank: #171 (-15)
10K → 15K
17:19 | 5:35/mi
20K· 12.43 mi
1:10:22
Rank: #213 (-42)
15K → 20K
18:24 | 5:55/mi
Half· 13.11 mi
1:14:25
Rank: #230 (-17)
20K → Half
4:03 | 5:55/mi
25K· 15.53 mi
1:28:50
Rank: #258 (-28)
Half → 25K
14:25 | 5:57/mi
30K· 18.64 mi
1:47:19
Rank: #265 (-7)
25K → 30K
18:29 | 5:57/mi
20M
1:55:30
Rank: #269 (-4)
30K → 20M
8:11 | 6:01/mi
21M
2:01:57
Rank: #269
20M → 21M
6:27 | 6:27/mi
35K· 21.75 mi
2:06:37
Rank: #285 (-16)
21M → 35K
4:40 | 6:14/mi
23M
2:14:25
Rank: #290 (-5)
35K → 23M
7:48 | 6:14/mi
24M
2:20:37
Rank: #299 (-9)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:26:01
Rank: #299
24M → 40K
5:24 | 6:19/mi
25.2M
2:28:25
Rank: #307 (-8)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:34:44
Rank: #316 (-9)
25.2M → Finish
6:19 | 6:12/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:25
Pace5:41 /mi
2nd Half
Distance13.11 mi
Time1:20:19
Pace6:08 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2317:195:3517:19
5:35
-
10K
6.21 mi10:34:4334:395:3517:19
5:35
0:00
15K
9.32 mi10:52:0251:585:3517:19
5:35
0:00
20K
12.43 mi11:10:261:10:225:4018:24
5:55
+0:20
Half
13.11 mi11:14:291:14:255:414:03
5:55
0:00
25K
15.53 mi11:28:541:28:505:4314:25
5:57
+0:02
30K
18.64 mi11:47:231:47:195:4518:29
5:57
0:00
20M
20.00 mi11:55:341:55:305:468:11
6:01
+0:04
21M
21.00 mi12:02:012:01:575:486:27
6:27
+0:26
35K
21.75 mi12:06:412:06:375:494:40
6:14
-0:13
23M
23.00 mi12:14:292:14:255:517:48
6:14
0:00
24M
24.00 mi12:20:412:20:375:526:12
6:12
-0:02
40K
24.85 mi12:26:052:26:015:525:24
6:19
+0:07
25.2M
25.20 mi12:28:292:28:255:532:24
6:58
+0:39
Finish
26.22 mi12:34:482:34:445:546:19
6:12
-0:46

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

5:35 /mi

Average Pace

5:54 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

51:58

34% of race

Time at Steady Pace

1:03:32

41% of race

Time at Slower Pace

39:14

25% of race

Average Pace: 5:54 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:17:2317:195:3517:19
5:35
#167
10K
6.21 mi10:34:4334:395:3517:19
5:35
#156
15K
9.32 mi10:52:0251:585:3517:19
5:35
#171
20K
12.43 mi11:10:261:10:225:4018:24
5:55
#213
Half
13.11 mi11:14:291:14:255:414:03
5:55
#230
25K
15.53 mi11:28:541:28:505:4314:25
5:57
#258
30K
18.64 mi11:47:231:47:195:4518:29
5:57
#265
20M
20.00 mi11:55:341:55:305:468:11
6:01
#269
21M
21.00 mi12:02:012:01:575:486:27
6:27
#269
35K
21.75 mi12:06:412:06:375:494:40
6:14
#285
23M
23.00 mi12:14:292:14:255:517:48
6:14
#290
24M
24.00 mi12:20:412:20:375:526:12
6:12
#299
40K
24.85 mi12:26:052:26:015:525:24
6:19
#299
25.2M
25.20 mi12:28:292:28:255:532:24
6:58
#307
Finish
26.22 mi12:34:482:34:445:546:19
6:12
#316
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi167167167148(Top 0.6%)123(Top 0.8%)123(Top 5%)
10K6.21 mi3.10 mi156+11156+11156+11188(Top 0.7%)161(Top 1%)161(Top 7%)
15K9.32 mi3.11 mi171-15148+8148+8148(Top 0.6%)123(Top 0.8%)123(Top 5%)
20K12.43 mi3.11 mi213-42187-39187-39455(Top 2%)418(Top 3%)418(Top 19%)
Half13.11 mi0.68 mi230-17203-16203-16592(Top 2%)554(Top 4%)554(Top 25%)
25K15.53 mi2.42 mi258-28230-27230-27471(Top 2%)435(Top 3%)435(Top 19%)
30K18.64 mi3.11 mi265-7238-8238-8317(Top 1%)291(Top 2%)291(Top 13%)
20M20.00 mi1.36 mi269-4242-4242-4363(Top 1%)334(Top 2%)334(Top 15%)
21M21.00 mi1.00 mi269243-1243-1557(Top 2%)523(Top 3%)523(Top 23%)
35K21.75 mi0.75 mi285-16256-13256-131331(Top 5%)1261(Top 8%)1261(Top 56%)
23M23.00 mi1.25 mi290-5260-4260-4684(Top 3%)644(Top 4%)644(Top 29%)
24M24.00 mi1.00 mi299-9269-9269-91002(Top 4%)948(Top 6%)948(Top 42%)
40K24.85 mi0.85 mi299269269925(Top 3%)874(Top 6%)874(Top 39%)
25.2M25.20 mi0.35 mi307-8277-8277-81560(Top 6%)1466(Top 10%)1466(Top 65%)
Finish26.22 mi1.02 mi316-9285-8285-81251(Top 5%)1184(Top 8%)1184(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.6%
×21stories
+97ft-345ft

Overall

148

Males

123

M40-44

123

5K→10K

3.1 - 6.2 mi

Top 0.7%
×5stories
+79ft-138ft

Overall

188

Males

161

M40-44

161

10K→15K

6.2 - 9.3 mi

Top 0.6%
×3stories
+67ft-78ft

Overall

148

Males

123

M40-44

123

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

455

Males

418

M40-44

418

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

592

Males

554

M40-44

554

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

471

Males

435

M40-44

435

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

317

Males

291

M40-44

291

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

363

Males

334

M40-44

334

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

557

Males

523

M40-44

523

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1331

Males

1261

M40-44

1261

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

684

Males

644

M40-44

644

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1002

Males

948

M40-44

948

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

925

Males

874

M40-44

874

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1560

Males

1466

M40-44

1466

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1251

Males

1184

M40-44

1184

Passing Analysis

Category:
Athletes Passed
73
Passed By
222
Net Change
-149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#167
5K → 10K165+11#167#156
10K → 15K823-15#156#171
15K → 20K244-42#171#213
20K → Half017-17#213#230
Half → 25K230-28#230#258
25K → 30K1219-7#258#265
30K → 20M48-4#265#269
20M → 21M660#269#269
21M → 35K117-16#269#285
35K → 23M510-5#285#290
23M → 24M211-9#290#299
24M → 40K990#299#299
40K → 25.2M19-8#299#307
25.2M → Finish514-9#307#316
TOTALS73222-149
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing