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BOSTON MARATHON 2023

Robert Bruce

Bib: 27053•M

CT

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:06
Rank: #25083
Start → 5K
33:06 | 10:39/mi
10K· 6.21 mi
1:04:41
Rank: #24508 (+575)
5K → 10K
31:35 | 10:10/mi
15K· 9.32 mi
1:35:16
Rank: #24056 (+452)
10K → 15K
30:35 | 9:51/mi
20K· 12.43 mi
2:06:32
Rank: #23785 (+271)
15K → 20K
31:16 | 10:04/mi
Half· 13.11 mi
2:13:10
Rank: #23737 (+48)
20K → Half
6:38 | 9:43/mi
25K· 15.53 mi
2:38:04
Rank: #23559 (+178)
Half → 25K
24:54 | 10:16/mi
30K· 18.64 mi
3:08:43
Rank: #23091 (+468)
25K → 30K
30:39 | 9:52/mi
20M
3:21:56
Rank: #22843 (+248)
30K → 20M
13:13 | 9:44/mi
21M
3:31:48
Rank: #22632 (+211)
20M → 21M
9:52 | 9:52/mi
35K· 21.75 mi
3:39:01
Rank: #22534 (+98)
21M → 35K
7:13 | 9:39/mi
23M
3:51:31
Rank: #22403 (+131)
35K → 23M
12:30 | 9:59/mi
24M
4:01:37
Rank: #22362 (+41)
23M → 24M
10:06 | 10:06/mi
40K· 24.85 mi
4:10:30
Rank: #22298 (+64)
24M → 40K
8:53 | 10:23/mi
25.2M
4:14:25
Rank: #22282 (+16)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
4:24:16
Rank: #22244 (+38)
25.2M → Finish
9:51 | 9:40/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:13:10
Pace10:09 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:11:06
Pace10:00 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3233:0610:3933:06
10:39
-
10K
6.21 mi12:22:071:04:4110:2531:35
10:10
-0:29
15K
9.32 mi12:52:421:35:1610:1330:35
9:51
-0:19
20K
12.43 mi13:23:582:06:3210:1131:16
10:04
+0:13
Half
13.11 mi13:30:362:13:1010:096:38
9:43
-0:21
25K
15.53 mi13:55:302:38:0410:1124:54
10:16
+0:33
30K
18.64 mi14:26:093:08:4310:0730:39
9:52
-0:24
20M
20.00 mi14:39:223:21:5610:0613:13
9:44
-0:08
21M
21.00 mi14:49:143:31:4810:059:52
9:52
+0:08
35K
21.75 mi14:56:273:39:0110:047:13
9:39
-0:13
23M
23.00 mi15:08:573:51:3110:0412:30
9:59
+0:20
24M
24.00 mi15:19:034:01:3710:0410:06
10:06
+0:07
40K
24.85 mi15:27:564:10:3010:058:53
10:23
+0:17
25.2M
25.20 mi15:31:514:14:2510:063:55
11:21
+0:58
Finish
26.22 mi15:41:424:24:1610:059:51
9:40
-1:41

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

9:39 /mi

Average Pace

10:05 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:47:15

86% of race

Time at Steady Pace

37:01

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:05 /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 mi11:50:3233:0610:3933:06
10:39
#25083
10K
6.21 mi12:22:071:04:4110:2531:35
10:10
#24508
15K
9.32 mi12:52:421:35:1610:1330:35
9:51
#24056
20K
12.43 mi13:23:582:06:3210:1131:16
10:04
#23785
Half
13.11 mi13:30:362:13:1010:096:38
9:43
#23737
25K
15.53 mi13:55:302:38:0410:1124:54
10:16
#23559
30K
18.64 mi14:26:093:08:4310:0730:39
9:52
#23091
20M
20.00 mi14:39:223:21:5610:0613:13
9:44
#22843
21M
21.00 mi14:49:143:31:4810:059:52
9:52
#22632
35K
21.75 mi14:56:273:39:0110:047:13
9:39
#22534
23M
23.00 mi15:08:573:51:3110:0412:30
9:59
#22403
24M
24.00 mi15:19:034:01:3710:0410:06
10:06
#22362
40K
24.85 mi15:27:564:10:3010:058:53
10:23
#22298
25.2M
25.20 mi15:31:514:14:2510:063:55
11:21
#22282
Finish
26.22 mi15:41:424:24:1610:059:51
9:40
#22244
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi25083145801458023162(Top 87%)13708(Top 90%)13708(Top 612%)
10K6.21 mi3.10 mi24508+57514322+25814322+25824054(Top 90%)14115(Top 93%)14115(Top 630%)
15K9.32 mi3.11 mi24056+45214112+21014112+21023162(Top 87%)13708(Top 90%)13708(Top 612%)
20K12.43 mi3.11 mi23785+27113993+11913993+11923047(Top 87%)13655(Top 90%)13655(Top 609%)
Half13.11 mi0.68 mi23737+4813969+2413969+2422681(Top 85%)13481(Top 89%)13481(Top 602%)
25K15.53 mi2.42 mi23559+17813884+8513884+8522774(Top 86%)13493(Top 89%)13493(Top 602%)
30K18.64 mi3.11 mi23091+46813637+24713637+24720661(Top 78%)12497(Top 82%)12497(Top 558%)
20M20.00 mi1.36 mi22843+24813505+13213505+13219629(Top 74%)11960(Top 79%)11960(Top 534%)
21M21.00 mi1.00 mi22632+21113392+11313392+11317511(Top 66%)11012(Top 73%)11012(Top 491%)
35K21.75 mi0.75 mi22534+9813353+3913353+3920302(Top 76%)12176(Top 80%)12176(Top 543%)
23M23.00 mi1.25 mi22403+13113283+7013283+7019943(Top 75%)12003(Top 79%)12003(Top 536%)
24M24.00 mi1.00 mi22362+4113258+2513258+2521062(Top 79%)12460(Top 82%)12460(Top 556%)
40K24.85 mi0.85 mi22298+6413223+3513223+3520948(Top 79%)12357(Top 81%)12357(Top 551%)
25.2M25.20 mi0.35 mi22282+1613214+913214+921235(Top 80%)12501(Top 82%)12501(Top 558%)
Finish26.22 mi1.02 mi22244+3813190+2413190+2420675(Top 78%)12261(Top 81%)12261(Top 547%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23162

Males

13708

M40-44

13708

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

24054

Males

14115

M40-44

14115

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23162

Males

13708

M40-44

13708

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23047

Males

13655

M40-44

13655

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22681

Males

13481

M40-44

13481

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22774

Males

13493

M40-44

13493

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20661

Males

12497

M40-44

12497

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19629

Males

11960

M40-44

11960

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17511

Males

11012

M40-44

11012

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20302

Males

12176

M40-44

12176

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

19943

Males

12003

M40-44

12003

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

21062

Males

12460

M40-44

12460

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20948

Males

12357

M40-44

12357

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21235

Males

12501

M40-44

12501

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20675

Males

12261

M40-44

12261

Passing Analysis

Category:
Athletes Passed
2983
Passed By
144
Net Change
+2839
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25083
5K → 10K60631+575#25083#24508
10K → 15K46614+452#24508#24056
15K → 20K28918+271#24056#23785
20K → Half524+48#23785#23737
Half → 25K19719+178#23737#23559
25K → 30K4680+468#23559#23091
30K → 20M2502+248#23091#22843
20M → 21M2110+211#22843#22632
21M → 35K1024+98#22632#22534
35K → 23M1365+131#22534#22403
23M → 24M5615+41#22403#22362
24M → 40K7410+64#22362#22298
40K → 25.2M2610+16#22298#22282
25.2M → Finish5012+38#22282#22244
TOTALS2983144+2839
📊

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