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BOSTON MARATHON 2023

Brian Borden

Bib: 17985•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:12
Rank: #19203
Start → 5K
27:12 | 8:45/mi
10K· 6.21 mi
55:09
Rank: #20056 (-853)
5K → 10K
27:57 | 9:00/mi
15K· 9.32 mi
1:23:32
Rank: #20398 (-342)
10K → 15K
28:23 | 9:08/mi
20K· 12.43 mi
1:54:03
Rank: #21101 (-703)
15K → 20K
30:31 | 9:49/mi
Half· 13.11 mi
2:00:14
Rank: #21085 (+16)
20K → Half
6:11 | 9:04/mi
25K· 15.53 mi
2:23:18
Rank: #21021 (+64)
Half → 25K
23:04 | 9:31/mi
30K· 18.64 mi
2:52:38
Rank: #20668 (+353)
25K → 30K
29:20 | 9:26/mi
20M
3:05:22
Rank: #20514 (+154)
30K → 20M
12:44 | 9:22/mi
21M
3:15:11
Rank: #20313 (+201)
20M → 21M
9:49 | 9:49/mi
35K· 21.75 mi
3:22:02
Rank: #20258 (+55)
21M → 35K
6:51 | 9:09/mi
23M
3:33:29
Rank: #20067 (+191)
35K → 23M
11:27 | 9:09/mi
24M
3:42:22
Rank: #19927 (+140)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:50:05
Rank: #19800 (+127)
24M → 40K
7:43 | 9:02/mi
25.2M
3:53:22
Rank: #19738 (+62)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
4:02:08
Rank: #19633 (+105)
25.2M → Finish
8:46 | 8:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:14
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:01:54
Pace9:18 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1027:128:4527:12
8:45
-
10K
6.21 mi11:46:0755:098:5327:57
9:00
+0:15
15K
9.32 mi12:14:301:23:328:5828:23
9:08
+0:08
20K
12.43 mi12:45:011:54:039:1130:31
9:49
+0:41
Half
13.11 mi12:51:122:00:149:106:11
9:04
-0:45
25K
15.53 mi13:14:162:23:189:1323:04
9:31
+0:27
30K
18.64 mi13:43:362:52:389:1629:20
9:26
-0:05
20M
20.00 mi13:56:203:05:229:1612:44
9:22
-0:04
21M
21.00 mi14:06:093:15:119:189:49
9:49
+0:27
35K
21.75 mi14:13:003:22:029:176:51
9:09
-0:40
23M
23.00 mi14:24:273:33:299:1711:27
9:09
0:00
24M
24.00 mi14:33:203:42:229:168:53
8:53
-0:16
40K
24.85 mi14:41:033:50:059:157:43
9:02
+0:09
25.2M
25.20 mi14:44:203:53:229:163:17
9:31
+0:29
Finish
26.22 mi14:53:064:02:089:158:46
8:36
-0:55

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

8:36 /mi

Average Pace

9:15 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:27

72% of race

Time at Steady Pace

1:06:41

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:14 /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 mi11:18:1027:128:4527:12
8:45
#19203
10K
6.21 mi11:46:0755:098:5327:57
9:00
#20056
15K
9.32 mi12:14:301:23:328:5828:23
9:08
#20398
20K
12.43 mi12:45:011:54:039:1130:31
9:49
#21101
Half
13.11 mi12:51:122:00:149:106:11
9:04
#21085
25K
15.53 mi13:14:162:23:189:1323:04
9:31
#21021
30K
18.64 mi13:43:362:52:389:1629:20
9:26
#20668
20M
20.00 mi13:56:203:05:229:1612:44
9:22
#20514
21M
21.00 mi14:06:093:15:119:189:49
9:49
#20313
35K
21.75 mi14:13:003:22:029:176:51
9:09
#20258
23M
23.00 mi14:24:273:33:299:1711:27
9:09
#20067
24M
24.00 mi14:33:203:42:229:168:53
8:53
#19927
40K
24.85 mi14:41:033:50:059:157:43
9:02
#19800
25.2M
25.20 mi14:44:203:53:229:163:17
9:31
#19738
Finish
26.22 mi14:53:064:02:089:158:46
8:36
#19633
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi19203118521185221082(Top 79%)12779(Top 84%)12779(Top 899%)
10K6.21 mi3.10 mi20056-85312240-38812240-38820855(Top 78%)12647(Top 83%)12647(Top 889%)
15K9.32 mi3.11 mi20398-34212418-17812418-17821082(Top 79%)12779(Top 84%)12779(Top 899%)
20K12.43 mi3.11 mi21101-70312752-33412752-33422456(Top 84%)13376(Top 88%)13376(Top 941%)
Half13.11 mi0.68 mi21085+1612749+312749+320658(Top 78%)12578(Top 83%)12578(Top 885%)
25K15.53 mi2.42 mi21021+6412723+2612723+2620866(Top 78%)12643(Top 83%)12643(Top 889%)
30K18.64 mi3.11 mi20668+35312555+16812555+16819218(Top 72%)11884(Top 78%)11884(Top 836%)
20M20.00 mi1.36 mi20514+15412464+9112464+9118319(Top 69%)11386(Top 75%)11386(Top 801%)
21M21.00 mi1.00 mi20313+20112365+9912365+9917310(Top 65%)10920(Top 72%)10920(Top 768%)
35K21.75 mi0.75 mi20258+5512329+3612329+3618556(Top 70%)11398(Top 75%)11398(Top 802%)
23M23.00 mi1.25 mi20067+19112235+9412235+9416764(Top 63%)10585(Top 70%)10585(Top 744%)
24M24.00 mi1.00 mi19927+14012176+5912176+5916678(Top 63%)10483(Top 69%)10483(Top 737%)
40K24.85 mi0.85 mi19800+12712111+6512111+6516273(Top 61%)10254(Top 68%)10254(Top 721%)
25.2M25.20 mi0.35 mi19738+6212082+2912082+2915272(Top 57%)9813(Top 65%)9813(Top 690%)
Finish26.22 mi1.02 mi19633+10512035+4712035+4715991(Top 60%)10177(Top 67%)10177(Top 716%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

21082

Males

12779

M55-59

12779

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20855

Males

12647

M55-59

12647

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

21082

Males

12779

M55-59

12779

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22456

Males

13376

M55-59

13376

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20658

Males

12578

M55-59

12578

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20866

Males

12643

M55-59

12643

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

19218

Males

11884

M55-59

11884

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18319

Males

11386

M55-59

11386

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17310

Males

10920

M55-59

10920

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18556

Males

11398

M55-59

11398

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16764

Males

10585

M55-59

10585

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16678

Males

10483

M55-59

10483

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16273

Males

10254

M55-59

10254

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15272

Males

9813

M55-59

9813

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15991

Males

10177

M55-59

10177

Passing Analysis

Category:
Athletes Passed
1833
Passed By
2263
Net Change
-430
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19203
5K → 10K87940-853#19203#20056
10K → 15K78420-342#20056#20398
15K → 20K35738-703#20398#21101
20K → Half4327+16#21101#21085
Half → 25K13369+64#21085#21021
25K → 30K37421+353#21021#20668
30K → 20M16713+154#20668#20514
20M → 21M2065+201#20514#20313
21M → 35K594+55#20313#20258
35K → 23M20110+191#20258#20067
23M → 24M1455+140#20067#19927
24M → 40K1292+127#19927#19800
40K → 25.2M620+62#19800#19738
25.2M → Finish1149+105#19738#19633
TOTALS18332263-430
📊

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