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BOSTON MARATHON 2023

David Bruce

Bib: 25140•M

LA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:00
Rank: #14332
Start → 5K
25:00 | 8:03/mi
10K· 6.21 mi
50:36
Rank: #15408 (-1076)
5K → 10K
25:36 | 8:14/mi
15K· 9.32 mi
1:16:18
Rank: #15716 (-308)
10K → 15K
25:42 | 8:16/mi
20K· 12.43 mi
1:42:32
Rank: #15915 (-199)
15K → 20K
26:14 | 8:27/mi
Half· 13.11 mi
1:48:06
Rank: #15886 (+29)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:08:30
Rank: #15834 (+52)
Half → 25K
20:24 | 8:25/mi
30K· 18.64 mi
2:35:12
Rank: #15645 (+189)
25K → 30K
26:42 | 8:36/mi
20M
2:46:59
Rank: #15553 (+92)
30K → 20M
11:47 | 8:40/mi
21M
2:56:01
Rank: #15402 (+151)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
3:02:21
Rank: #15384 (+18)
21M → 35K
6:20 | 8:28/mi
23M
3:13:13
Rank: #15295 (+89)
35K → 23M
10:52 | 8:41/mi
24M
3:21:46
Rank: #15253 (+42)
23M → 24M
8:33 | 8:33/mi
40K· 24.85 mi
3:29:17
Rank: #15250 (+3)
24M → 40K
7:31 | 8:47/mi
25.2M
3:32:30
Rank: #15229 (+21)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:41:08
Rank: #15218 (+11)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:06
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:53:02
Pace8:37 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:4625:008:0325:00
8:03
-
10K
6.21 mi12:06:2250:368:0925:36
8:14
+0:11
15K
9.32 mi12:32:041:16:188:1125:42
8:16
+0:02
20K
12.43 mi12:58:181:42:328:1526:14
8:27
+0:11
Half
13.11 mi13:03:521:48:068:155:34
8:10
-0:17
25K
15.53 mi13:24:162:08:308:1620:24
8:25
+0:15
30K
18.64 mi13:50:582:35:128:2026:42
8:36
+0:11
20M
20.00 mi14:02:452:46:598:2111:47
8:40
+0:04
21M
21.00 mi14:11:472:56:018:239:02
9:02
+0:22
35K
21.75 mi14:18:073:02:218:236:20
8:28
-0:34
23M
23.00 mi14:28:593:13:138:2410:52
8:41
+0:13
24M
24.00 mi14:37:323:21:468:248:33
8:33
-0:08
40K
24.85 mi14:45:033:29:178:257:31
8:47
+0:14
25.2M
25.20 mi14:48:163:32:308:263:13
9:20
+0:33
Finish
26.22 mi14:56:543:41:088:268:38
8:28
-0:52

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

8:03 /mi

Average Pace

8:26 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:53

94% of race

Time at Steady Pace

12:15

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:26 /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 mi11:40:4625:008:0325:00
8:03
#14332
10K
6.21 mi12:06:2250:368:0925:36
8:14
#15408
15K
9.32 mi12:32:041:16:188:1125:42
8:16
#15716
20K
12.43 mi12:58:181:42:328:1526:14
8:27
#15915
Half
13.11 mi13:03:521:48:068:155:34
8:10
#15886
25K
15.53 mi13:24:162:08:308:1620:24
8:25
#15834
30K
18.64 mi13:50:582:35:128:2026:42
8:36
#15645
20M
20.00 mi14:02:452:46:598:2111:47
8:40
#15553
21M
21.00 mi14:11:472:56:018:239:02
9:02
#15402
35K
21.75 mi14:18:073:02:218:236:20
8:28
#15384
23M
23.00 mi14:28:593:13:138:2410:52
8:41
#15295
24M
24.00 mi14:37:323:21:468:248:33
8:33
#15253
40K
24.85 mi14:45:033:29:178:257:31
8:47
#15250
25.2M
25.20 mi14:48:163:32:308:263:13
9:20
#15229
Finish
26.22 mi14:56:543:41:088:268:38
8:28
#15218
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi14332100861008616347(Top 61%)10822(Top 71%)10822(Top 975%)
10K6.21 mi3.10 mi15408-107610481-39510481-39516516(Top 62%)10910(Top 72%)10910(Top 983%)
15K9.32 mi3.11 mi15716-30810593-11210593-11216347(Top 61%)10822(Top 71%)10822(Top 975%)
20K12.43 mi3.11 mi15915-19910642-4910642-4916494(Top 62%)10829(Top 71%)10829(Top 976%)
Half13.11 mi0.68 mi15886+2910629+1310629+1315457(Top 58%)10474(Top 69%)10474(Top 944%)
25K15.53 mi2.42 mi15834+5210580+4910580+4915657(Top 59%)10395(Top 68%)10395(Top 936%)
30K18.64 mi3.11 mi15645+18910476+10410476+10414878(Top 56%)10001(Top 66%)10001(Top 901%)
20M20.00 mi1.36 mi15553+9210411+6510411+6514677(Top 55%)9845(Top 65%)9845(Top 887%)
21M21.00 mi1.00 mi15402+15110324+8710324+8713594(Top 51%)9321(Top 61%)9321(Top 840%)
35K21.75 mi0.75 mi15384+1810304+2010304+2015078(Top 57%)9904(Top 65%)9904(Top 892%)
23M23.00 mi1.25 mi15295+8910249+5510249+5514234(Top 53%)9472(Top 62%)9472(Top 853%)
24M24.00 mi1.00 mi15253+4210222+2710222+2714752(Top 55%)9643(Top 64%)9643(Top 869%)
40K24.85 mi0.85 mi15250+310209+1310209+1315025(Top 56%)9698(Top 64%)9698(Top 874%)
25.2M25.20 mi0.35 mi15229+2110188+2110188+2114270(Top 54%)9363(Top 62%)9363(Top 844%)
Finish26.22 mi1.02 mi15218+1110165+2310165+2315215(Top 57%)9821(Top 65%)9821(Top 885%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16347

Males

10822

M60-64

10822

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16516

Males

10910

M60-64

10910

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16347

Males

10822

M60-64

10822

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16494

Males

10829

M60-64

10829

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15457

Males

10474

M60-64

10474

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15657

Males

10395

M60-64

10395

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14878

Males

10001

M60-64

10001

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14677

Males

9845

M60-64

9845

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13594

Males

9321

M60-64

9321

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15078

Males

9904

M60-64

9904

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14234

Males

9472

M60-64

9472

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14752

Males

9643

M60-64

9643

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15025

Males

9698

M60-64

9698

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14270

Males

9363

M60-64

9363

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15215

Males

9821

M60-64

9821

Passing Analysis

Category:
Athletes Passed
1468
Passed By
2354
Net Change
-886
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14332
5K → 10K471123-1076#14332#15408
10K → 15K89397-308#15408#15716
15K → 20K107306-199#15716#15915
20K → Half5122+29#15915#15886
Half → 25K155103+52#15886#15834
25K → 30K27182+189#15834#15645
30K → 20M13341+92#15645#15553
20M → 21M16615+151#15553#15402
21M → 35K5739+18#15402#15384
35K → 23M12536+89#15384#15295
23M → 24M9351+42#15295#15253
24M → 40K5855+3#15253#15250
40K → 25.2M4423+21#15250#15229
25.2M → Finish7261+11#15229#15218
TOTALS14682354-886
📊

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