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BOSTON MARATHON 2023

Robert Martinak

Bib: 11826•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
8:11/mi
25:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
51:34
↑ 79↓ 1380.4%
15K· 9.32 mi
8:32/mi
1:18:05
↑ 67↓ 78
20K· 12.43 mi
8:27/mi
1:44:19
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:50:00
↑ 19↓ 370.5%
25K· 15.53 mi
8:18/mi
2:10:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:37:18
↑ 181↓ 1480.2%
20M
8:52/mi
2:49:21
↑ 64↓ 500.2%
21M
9:54/mi
2:59:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:57/mi
3:05:57
↑ 17↓ 861.7%
23M
8:32/mi
3:16:38
↑ 23↓ 630.6%
24M
8:41/mi
3:25:19
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:32:54
↓ 200.3%
25.2M
9:11/mi
3:36:04
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:44:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:00
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:54:34
Pace8:44 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4425:248:1125:24
8:11
-
10K
6.21 mi11:19:5451:348:1826:10
8:25
+0:14
15K
9.32 mi11:46:251:18:058:2326:31
8:32
+0:07
20K
12.43 mi12:12:391:44:198:2426:14
8:27
-0:05
Half
13.11 mi12:18:201:50:008:235:41
8:20
-0:07
25K
15.53 mi12:38:282:10:088:2320:08
8:18
-0:02
30K
18.64 mi13:05:382:37:188:2627:10
8:45
+0:27
20M
20.00 mi13:17:412:49:218:2812:03
8:52
+0:07
21M
21.00 mi13:27:352:59:158:329:54
9:54
+1:02
35K
21.75 mi13:34:173:05:578:336:42
8:57
-0:57
23M
23.00 mi13:44:583:16:388:3310:41
8:32
-0:25
24M
24.00 mi13:53:393:25:198:338:41
8:41
+0:09
40K
24.85 mi14:01:143:32:548:347:35
8:52
+0:11
25.2M
25.20 mi14:04:243:36:048:343:10
9:11
+0:19
Finish
26.22 mi14:12:543:44:348:348:30
8:20
-0:51

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

8:11 /mi

Average Pace

8:34 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:32

20% of race

Time at Steady Pace

1:52:28

50% of race

Time at Slower Pace

1:06:34

30% of race

Average Pace: 8:34 /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 mi10:53:4425:248:1125:24
8:11
#15262
10K
6.21 mi11:19:5451:348:1826:10
8:25
#16485
15K
9.32 mi11:46:251:18:058:2326:31
8:32
#17050
20K
12.43 mi12:12:391:44:198:2426:14
8:27
#16889
Half
13.11 mi12:18:201:50:008:235:41
8:20
#16880
25K
15.53 mi12:38:282:10:088:2320:08
8:18
#16587
30K
18.64 mi13:05:382:37:188:2627:10
8:45
#16395
20M
20.00 mi13:17:412:49:218:2812:03
8:52
#16323
21M
21.00 mi13:27:352:59:158:329:54
9:54
#16399
35K
21.75 mi13:34:173:05:578:336:42
8:57
#16451
23M
23.00 mi13:44:583:16:388:3310:41
8:32
#16268
24M
24.00 mi13:53:393:25:198:338:41
8:41
#16201
40K
24.85 mi14:01:143:32:548:347:35
8:52
#16163
25.2M
25.20 mi14:04:243:36:048:343:10
9:11
#16131
Finish
26.22 mi14:12:543:44:348:348:30
8:20
#16063
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi15262104351043518034(Top 68%)11493(Top 76%)11493(Top 510%)
10K6.21 mi3.10 mi16485-122310895-46010895-46017709(Top 67%)11372(Top 75%)11372(Top 505%)
15K9.32 mi3.11 mi17050-56511094-19911094-19918034(Top 68%)11493(Top 76%)11493(Top 510%)
20K12.43 mi3.11 mi16889+16111007+8711007+8716496(Top 62%)10831(Top 71%)10831(Top 481%)
Half13.11 mi0.68 mi16880+9110071100716617(Top 62%)10919(Top 72%)10919(Top 485%)
25K15.53 mi2.42 mi16587+29310880+12710880+12714974(Top 56%)10139(Top 67%)10139(Top 450%)
30K18.64 mi3.11 mi16395+19210754+12610754+12615743(Top 59%)10375(Top 68%)10375(Top 461%)
20M20.00 mi1.36 mi16323+7210705+4910705+4915807(Top 59%)10335(Top 68%)10335(Top 459%)
21M21.00 mi1.00 mi16399-7610728-2310728-2317633(Top 66%)11064(Top 73%)11064(Top 491%)
35K21.75 mi0.75 mi16451-5210743-1510743-1517699(Top 66%)11007(Top 73%)11007(Top 489%)
23M23.00 mi1.25 mi16268+18310653+9010653+9013426(Top 50%)9114(Top 60%)9114(Top 405%)
24M24.00 mi1.00 mi16201+6710603+5010603+5015546(Top 58%)9971(Top 66%)9971(Top 443%)
40K24.85 mi0.85 mi16163+3810575+2810575+2815443(Top 58%)9876(Top 65%)9876(Top 439%)
25.2M25.20 mi0.35 mi16131+3210561+1410561+1413527(Top 51%)9020(Top 59%)9020(Top 401%)
Finish26.22 mi1.02 mi16063+6810518+4310518+4314336(Top 54%)9408(Top 62%)9408(Top 418%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18034

Males

11493

M45-49

11493

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17709

Males

11372

M45-49

11372

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18034

Males

11493

M45-49

11493

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16496

Males

10831

M45-49

10831

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16617

Males

10919

M45-49

10919

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14974

Males

10139

M45-49

10139

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15743

Males

10375

M45-49

10375

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15807

Males

10335

M45-49

10335

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17633

Males

11064

M45-49

11064

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17699

Males

11007

M45-49

11007

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13426

Males

9114

M45-49

9114

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

15546

Males

9971

M45-49

9971

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15443

Males

9876

M45-49

9876

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13527

Males

9020

M45-49

9020

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14336

Males

9408

M45-49

9408

Passing Analysis

Category:
Athletes Passed
1697
Passed By
2498
Net Change
-801
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15262
5K → 10K401263-1223#15262#16485
10K → 15K50615-565#16485#17050
15K → 20K261100+161#17050#16889
20K → Half3324+9#16889#16880
Half → 25K30916+293#16880#16587
25K → 30K27684+192#16587#16395
30K → 20M11745+72#16395#16323
20M → 21M57133-76#16323#16399
21M → 35K3082-52#16399#16451
35K → 23M19310+183#16451#16268
23M → 24M10639+67#16268#16201
24M → 40K7739+38#16201#16163
40K → 25.2M4614+32#16163#16131
25.2M → Finish10234+68#16131#16063
TOTALS16972498-801
📊

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