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BOSTON MARATHON 2023

Michael Sikora

Bib: 16551•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 36%
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
8:02/mi
24:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
49:59
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:15:01
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:40:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:45:49
↑ 19↓ 370.5%
25K· 15.53 mi
8:04/mi
2:05:23
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:30:41
↑ 181↓ 1480.2%
20M
8:06/mi
2:41:42
↑ 64↓ 500.2%
21M
8:06/mi
2:49:48
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:55:31
↑ 17↓ 861.7%
23M
7:48/mi
3:05:17
↑ 23↓ 630.6%
24M
7:37/mi
3:12:54
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:19:28
↓ 200.3%
25.2M
8:01/mi
3:22:14
↑ 13↓ 160.2%
Finish· 26.22 mi
7:17/mi
3:29:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:49
Pace8:04 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:50
Pace7:55 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0124:578:0224:57
8:02
-
10K
6.21 mi11:40:0349:598:0325:02
8:03
+0:01
15K
9.32 mi12:05:051:15:018:0325:02
8:03
0:00
20K
12.43 mi12:30:281:40:248:0525:23
8:10
+0:07
Half
13.11 mi12:35:531:45:498:045:25
7:56
-0:14
25K
15.53 mi12:55:272:05:238:0419:34
8:04
+0:08
30K
18.64 mi13:20:452:30:418:0525:18
8:09
+0:05
20M
20.00 mi13:31:462:41:428:0511:01
8:06
-0:03
21M
21.00 mi13:39:522:49:488:058:06
8:06
0:00
35K
21.75 mi13:45:352:55:318:045:43
7:38
-0:28
23M
23.00 mi13:55:213:05:178:039:46
7:48
+0:10
24M
24.00 mi14:02:583:12:548:027:37
7:37
-0:11
40K
24.85 mi14:09:323:19:288:026:34
7:41
+0:04
25.2M
25.20 mi14:12:183:22:148:022:46
8:01
+0:20
Finish
26.22 mi14:19:433:29:398:007:25
7:17
-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

7:17 /mi

Average Pace

8:00 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:30

20% of race

Time at Steady Pace

2:47:09

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /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 mi11:15:0124:578:0224:57
8:02
#14220
10K
6.21 mi11:40:0349:598:0325:02
8:03
#14694
15K
9.32 mi12:05:051:15:018:0325:02
8:03
#14725
20K
12.43 mi12:30:281:40:248:0525:23
8:10
#14715
Half
13.11 mi12:35:531:45:498:045:25
7:56
#14656
25K
15.53 mi12:55:272:05:238:0419:34
8:04
#14439
30K
18.64 mi13:20:452:30:418:0525:18
8:09
#13969
20M
20.00 mi13:31:462:41:428:0511:01
8:06
#13701
21M
21.00 mi13:39:522:49:488:058:06
8:06
#13341
35K
21.75 mi13:45:352:55:318:045:43
7:38
#13169
23M
23.00 mi13:55:213:05:178:039:46
7:48
#12887
24M
24.00 mi14:02:583:12:548:027:37
7:37
#12667
40K
24.85 mi14:09:323:19:288:026:34
7:41
#12485
25.2M
25.20 mi14:12:183:22:148:022:46
8:01
#12376
Finish
26.22 mi14:19:433:29:398:007:25
7:17
#12147
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14220100371003714846(Top 56%)10228(Top 67%)10228(Top 719%)
10K6.21 mi3.10 mi14694-47410211-17410211-17415207(Top 57%)10387(Top 68%)10387(Top 730%)
15K9.32 mi3.11 mi14725-3110213-210213-214846(Top 56%)10228(Top 67%)10228(Top 719%)
20K12.43 mi3.11 mi14715+1010189+2410189+2414734(Top 55%)10163(Top 67%)10163(Top 715%)
Half13.11 mi0.68 mi14656+5910170+1910170+1913815(Top 52%)9809(Top 65%)9809(Top 690%)
25K15.53 mi2.42 mi14439+21710052+11810052+11813288(Top 50%)9468(Top 62%)9468(Top 666%)
30K18.64 mi3.11 mi13969+4709829+2239829+22311933(Top 45%)8771(Top 58%)8771(Top 617%)
20M20.00 mi1.36 mi13701+2689706+1239706+12311032(Top 41%)8254(Top 54%)8254(Top 580%)
21M21.00 mi1.00 mi13341+3609548+1589548+1588058(Top 30%)6496(Top 43%)6496(Top 457%)
35K21.75 mi0.75 mi13169+1729460+889460+889563(Top 36%)7400(Top 49%)7400(Top 520%)
23M23.00 mi1.25 mi12887+2829305+1559305+1558422(Top 32%)6664(Top 44%)6664(Top 469%)
24M24.00 mi1.00 mi12667+2209192+1139192+1138520(Top 32%)6632(Top 44%)6632(Top 466%)
40K24.85 mi0.85 mi12485+1829101+919101+917846(Top 29%)6160(Top 41%)6160(Top 433%)
25.2M25.20 mi0.35 mi12376+1099048+539048+536674(Top 25%)5400(Top 36%)5400(Top 380%)
Finish26.22 mi1.02 mi12147+2298924+1248924+1246977(Top 26%)5560(Top 37%)5560(Top 391%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14846

Males

10228

M55-59

10228

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15207

Males

10387

M55-59

10387

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14846

Males

10228

M55-59

10228

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14734

Males

10163

M55-59

10163

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13815

Males

9809

M55-59

9809

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13288

Males

9468

M55-59

9468

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11933

Males

8771

M55-59

8771

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11032

Males

8254

M55-59

8254

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8058

Males

6496

M55-59

6496

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9563

Males

7400

M55-59

7400

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8422

Males

6664

M55-59

6664

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8520

Males

6632

M55-59

6632

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7846

Males

6160

M55-59

6160

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6674

Males

5400

M55-59

5400

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6977

Males

5560

M55-59

5560

Passing Analysis

Category:
Athletes Passed
3150
Passed By
1077
Net Change
+2073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14220
5K → 10K123597-474#14220#14694
10K → 15K175206-31#14694#14725
15K → 20K190180+10#14725#14715
20K → Half6910+59#14715#14656
Half → 25K25841+217#14656#14439
25K → 30K48919+470#14439#13969
30K → 20M2724+268#13969#13701
20M → 21M3600+360#13701#13341
21M → 35K1742+172#13341#13169
35K → 23M2842+282#13169#12887
23M → 24M2244+220#12887#12667
24M → 40K1842+182#12667#12485
40K → 25.2M1101+109#12485#12376
25.2M → Finish2389+229#12376#12147
TOTALS31501077+2073
📊

Passing Visuals

Category:
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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