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BOSTON MARATHON 2023

Brian Oates

MA

Bib: 15882 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:29/mi
29:29
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:23/mi
58:39
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:22/mi
1:27:46
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:18/mi
1:56:41
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:23/mi
2:03:05
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:50/mi
2:26:55
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:17/mi
2:58:52
↑ 181↓ 1480.2%
138 ft elev
20M
10:42/mi
3:13:25
↑ 64↓ 500.2%
148 ft elev
21M
14:10/mi
3:27:35
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:30/mi
3:36:11
↑ 17↓ 861.7%
156 ft elev
23M
9:13/mi
3:47:44
↑ 23↓ 630.6%
116 ft elev
24M
9:16/mi
3:57:00
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:18/mi
4:04:57
↓ 200.3%
20 ft elev
25.2M
11:13/mi
4:08:49
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:44/mi
4:18:44
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:03:059:23 /mi⚡ faster
2nd Half
2:15:3910:21 /mi+10.2%
Positive split — 10.2% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2329:299:2929:29
9:29
-
10K
6.21 mi12:22:3358:399:2629:10
9:23
-0:06
15K
9.32 mi12:51:401:27:469:2529:07
9:22
-0:01
20K
12.43 mi13:20:351:56:419:2328:55
9:18
-0:04
Half
13.11 mi13:26:592:03:059:236:24
9:23
+0:05
25K
15.53 mi13:50:492:26:559:2723:50
9:50
+0:27
30K
18.64 mi14:22:462:58:529:3631:57
10:17
+0:27
20M
20.00 mi14:37:193:13:259:4014:33
10:42
+0:25
21M
21.00 mi14:51:293:27:359:5314:10
14:10
+3:28
35K
21.75 mi15:00:053:36:119:568:36
11:30
-2:40
23M
23.00 mi15:11:383:47:449:5411:33
9:13
-2:17
24M
24.00 mi15:20:543:57:009:539:16
9:16
+0:03
40K
24.85 mi15:28:514:04:579:517:57
9:18
+0:02
25.2M
25.20 mi15:32:434:08:499:523:52
11:13
+1:55
Finish
26.22 mi15:42:384:18:449:539:55
9:44
-1:29

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

9:13 /mi

Average Pace

9:53 /mi

Slowest Pace

14:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:05:36

72% of race

Time at Slower Pace

1:13:08

28% of race

Average Pace: 9:52 /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 mi11:53:2329:299:2929:29
9:29
#22056
10K
6.21 mi12:22:3358:399:2629:10
9:23
#22167
15K
9.32 mi12:51:401:27:469:2529:07
9:22
#22028
20K
12.43 mi13:20:351:56:419:2328:55
9:18
#21769
Half
13.11 mi13:26:592:03:059:236:24
9:23
#21765
25K
15.53 mi13:50:492:26:559:2723:50
9:50
#21756
30K
18.64 mi14:22:462:58:529:3631:57
10:17
#21730
20M
20.00 mi14:37:193:13:259:4014:33
10:42
#21789
21M
21.00 mi14:51:293:27:359:5314:10
14:10
#22146
35K
21.75 mi15:00:053:36:119:568:36
11:30
#22225
23M
23.00 mi15:11:383:47:449:5411:33
9:13
#22017
24M
24.00 mi15:20:543:57:009:539:16
9:16
#21884
40K
24.85 mi15:28:514:04:579:517:57
9:18
#21749
25.2M
25.20 mi15:32:434:08:499:523:52
11:13
#21728
Finish
26.22 mi15:42:384:18:449:539:55
9:44
#21704
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi220561312713127218751313413134
10K6.21 mi3.10 mi22167-11113214-8713214-87221861324713247
15K9.32 mi3.11 mi22028+13913154+6013154+60218751313413134
20K12.43 mi3.11 mi21769+25913054+10013054+100209911274612746
Half13.11 mi0.68 mi21765+41305413054217451306613066
25K15.53 mi2.42 mi21756+913049+513049+5218131306413064
30K18.64 mi3.11 mi21730+2613025+2413025+24217391296012960
20M20.00 mi1.36 mi21789-5913039-1413039-14221641306813068
21M21.00 mi1.00 mi22146-35713185-14613185-146251721444914449
35K21.75 mi0.75 mi22225-7913218-3313218-33240761388413884
23M23.00 mi1.25 mi22017+20813115+10313115+103171751077810778
24M24.00 mi1.00 mi21884+13313049+6613049+66183311124411244
40K24.85 mi0.85 mi21749+13512964+8512964+85175161081410814
25.2M25.20 mi0.35 mi21728+2112949+1512949+15209231235612356
Finish26.22 mi1.02 mi21704+2412939+1012939+10209001238012380

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21875

Males

13134

M50-54

13134

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

22186

Males

13247

M50-54

13247

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21875

Males

13134

M50-54

13134

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20991

Males

12746

M50-54

12746

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21745

Males

13066

M50-54

13066

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21813

Males

13064

M50-54

13064

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21739

Males

12960

M50-54

12960

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22164

Males

13068

M50-54

13068

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

25172

Males

14449

M50-54

14449

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

24076

Males

13884

M50-54

13884

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17175

Males

10778

M50-54

10778

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18331

Males

11244

M50-54

11244

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17516

Males

10814

M50-54

10814

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20923

Males

12356

M50-54

12356

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20900

Males

12380

M50-54

12380

Passing Analysis

Category:
Athletes Passed
1625
Passed By
1273
Net Change
+352
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22056
5K → 10K189300-111#22056#22167
10K → 15K243104+139#22167#22028
15K → 20K29839+259#22028#21769
20K → Half2218+4#21769#21765
Half → 25K10495+9#21765#21756
25K → 30K158132+26#21756#21730
30K → 20M45104-59#21730#21789
20M → 21M8365-357#21789#22146
21M → 35K1089-79#22146#22225
35K → 23M2091+208#22225#22017
23M → 24M1341+133#22017#21884
24M → 40K1361+135#21884#21749
40K → 25.2M265+21#21749#21728
25.2M → Finish4319+24#21728#21704
TOTALS16251273+352

Passing Charts

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