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BOSTON MARATHON 2023

Robert Barnashuk

Bib: 4968•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M40-44)
#0 / 2241
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:58
Rank: #1920
Start → 5K
19:58 | 6:26/mi
10K· 6.21 mi
39:23
Rank: #1741 (+179)
5K → 10K
19:25 | 6:15/mi
15K· 9.32 mi
58:56
Rank: #1684 (+57)
10K → 15K
19:33 | 6:18/mi
20K· 12.43 mi
1:18:44
Rank: #1683 (+1)
15K → 20K
19:48 | 6:22/mi
Half· 13.11 mi
1:23:00
Rank: #1674 (+9)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:38:41
Rank: #1716 (-42)
Half → 25K
15:41 | 6:28/mi
30K· 18.64 mi
1:59:19
Rank: #1731 (-15)
25K → 30K
20:38 | 6:38/mi
20M
2:08:33
Rank: #1784 (-53)
30K → 20M
9:14 | 6:48/mi
21M
2:15:44
Rank: #1838 (-54)
20M → 21M
7:11 | 7:11/mi
35K· 21.75 mi
2:20:32
Rank: #1828 (+10)
21M → 35K
4:48 | 6:25/mi
23M
2:29:06
Rank: #1862 (-34)
35K → 23M
8:34 | 6:51/mi
24M
2:35:57
Rank: #1920 (-58)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:42:06
Rank: #1992 (-72)
24M → 40K
6:09 | 7:12/mi
25.2M
2:44:50
Rank: #2025 (-33)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
2:52:19
Rank: #2163 (-138)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:00
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:29:19
Pace6:49 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3919:586:2619:58
6:26
-
10K
6.21 mi10:41:0439:236:2019:25
6:15
-0:11
15K
9.32 mi11:00:3758:566:1919:33
6:18
+0:03
20K
12.43 mi11:20:251:18:446:2019:48
6:22
+0:04
Half
13.11 mi11:24:411:23:006:204:16
6:15
-0:07
25K
15.53 mi11:40:221:38:416:2115:41
6:28
+0:13
30K
18.64 mi12:01:001:59:196:2420:38
6:38
+0:10
20M
20.00 mi12:10:142:08:336:269:14
6:48
+0:10
21M
21.00 mi12:17:252:15:446:287:11
7:11
+0:23
35K
21.75 mi12:22:132:20:326:284:48
6:25
-0:46
23M
23.00 mi12:30:472:29:066:298:34
6:51
+0:26
24M
24.00 mi12:37:382:35:576:306:51
6:51
0:00
40K
24.85 mi12:43:472:42:066:316:09
7:12
+0:21
25.2M
25.20 mi12:46:312:44:506:322:44
7:56
+0:44
Finish
26.22 mi12:54:002:52:196:357:29
7:21
-0:35

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

6:15 /mi

Average Pace

6:35 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:02

37% of race

Time at Steady Pace

1:25:44

50% of race

Time at Slower Pace

23:33

14% of race

Average Pace: 6:34 /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 mi10:21:3919:586:2619:58
6:26
#1920
10K
6.21 mi10:41:0439:236:2019:25
6:15
#1741
15K
9.32 mi11:00:3758:566:1919:33
6:18
#1684
20K
12.43 mi11:20:251:18:446:2019:48
6:22
#1683
Half
13.11 mi11:24:411:23:006:204:16
6:15
#1674
25K
15.53 mi11:40:221:38:416:2115:41
6:28
#1716
30K
18.64 mi12:01:001:59:196:2420:38
6:38
#1731
20M
20.00 mi12:10:142:08:336:269:14
6:48
#1784
21M
21.00 mi12:17:252:15:446:287:11
7:11
#1838
35K
21.75 mi12:22:132:20:326:284:48
6:25
#1828
23M
23.00 mi12:30:472:29:066:298:34
6:51
#1862
24M
24.00 mi12:37:382:35:576:306:51
6:51
#1920
40K
24.85 mi12:43:472:42:066:316:09
7:12
#1992
25.2M
25.20 mi12:46:312:44:506:322:44
7:56
#2025
Finish
26.22 mi12:54:002:52:196:357:29
7:21
#2163
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1920183118311623(Top 6%)1550(Top 10%)1550(Top 69%)
10K6.21 mi3.10 mi1741+1791664+1671664+1671559(Top 6%)1491(Top 10%)1491(Top 67%)
15K9.32 mi3.11 mi1684+571610+541610+541623(Top 6%)1550(Top 10%)1550(Top 69%)
20K12.43 mi3.11 mi1683+11611-11611-11690(Top 6%)1618(Top 11%)1618(Top 72%)
Half13.11 mi0.68 mi1674+91602+91602+91624(Top 6%)1559(Top 10%)1559(Top 70%)
25K15.53 mi2.42 mi1716-421643-411643-412020(Top 8%)1935(Top 13%)1935(Top 86%)
30K18.64 mi3.11 mi1731-151655-121655-122143(Top 8%)2046(Top 13%)2046(Top 91%)
20M20.00 mi1.36 mi1784-531706-511706-512748(Top 10%)2595(Top 17%)2595(Top 116%)
21M21.00 mi1.00 mi1838-541760-541760-542972(Top 11%)2783(Top 18%)2783(Top 124%)
35K21.75 mi0.75 mi1828+101749+111749+112032(Top 8%)1930(Top 13%)1930(Top 86%)
23M23.00 mi1.25 mi1862-341782-331782-332869(Top 11%)2679(Top 18%)2679(Top 120%)
24M24.00 mi1.00 mi1920-581838-561838-563895(Top 15%)3554(Top 23%)3554(Top 159%)
40K24.85 mi0.85 mi1992-721908-701908-704800(Top 18%)4200(Top 28%)4200(Top 187%)
25.2M25.20 mi0.35 mi2025-331941-331941-335950(Top 22%)4881(Top 32%)4881(Top 218%)
Finish26.22 mi1.02 mi2163-1382074-1332074-1337360(Top 28%)5770(Top 38%)5770(Top 257%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1623

Males

1550

M40-44

1550

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1559

Males

1491

M40-44

1491

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1623

Males

1550

M40-44

1550

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1690

Males

1618

M40-44

1618

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1624

Males

1559

M40-44

1559

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2020

Males

1935

M40-44

1935

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2143

Males

2046

M40-44

2046

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2748

Males

2595

M40-44

2595

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2972

Males

2783

M40-44

2783

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2032

Males

1930

M40-44

1930

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2869

Males

2679

M40-44

2679

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3895

Males

3554

M40-44

3554

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4800

Males

4200

M40-44

4200

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5950

Males

4881

M40-44

4881

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7360

Males

5770

M40-44

5770

Passing Analysis

Category:
Athletes Passed
541
Passed By
784
Net Change
-243
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1920
5K → 10K21738+179#1920#1741
10K → 15K8528+57#1741#1684
15K → 20K5352+1#1684#1683
20K → Half101+9#1683#1674
Half → 25K1759-42#1674#1716
25K → 30K5469-15#1716#1731
30K → 20M1770-53#1731#1784
20M → 21M1367-54#1784#1838
21M → 35K2010+10#1838#1828
35K → 23M2660-34#1828#1862
23M → 24M1068-58#1862#1920
24M → 40K981-72#1920#1992
40K → 25.2M437-33#1992#2025
25.2M → Finish6144-138#2025#2163
TOTALS541784-243
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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