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BOSTON MARATHON 2023

Derek Brenchley

BC

Bib: 9329 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
Masters (Masters Men)
#0 / 9891
Top 21%
Division (M65-69)
#0 / 549
Top 0.7%
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
7:06/mi
22:03
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:00/mi
43:47
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:06/mi
1:05:49
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:11/mi
1:28:07
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:24/mi
1:33:10
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:06/mi
1:50:23
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:15/mi
2:12:56
↑ 181↓ 1480.2%
138 ft elev
20M
7:17/mi
2:22:50
↑ 64↓ 500.2%
148 ft elev
21M
7:48/mi
2:30:38
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:56/mi
2:35:49
↑ 17↓ 861.7%
156 ft elev
23M
7:22/mi
2:45:03
↑ 23↓ 630.6%
116 ft elev
24M
7:05/mi
2:52:08
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:09/mi
2:58:15
↓ 200.3%
20 ft elev
25.2M
7:38/mi
3:00:53
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:00/mi
3:08:01
↑ 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
1:33:107:06 /mi⚡ faster
2nd Half
1:34:517:14 /mi+1.8%
Positive split — 1.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
22:037:063.11 mi22:03
7:06
-
10K
43:477:033.10 mi21:44
7:00
-0:06
15K
1:05:497:043.11 mi22:02
7:06
+0:06
20K
1:28:077:053.11 mi22:18
7:11
+0:05
Half(13.11 mi)
1:33:107:060.68 mi5:03
7:24
+0:13
25K
1:50:237:062.42 mi17:13
7:06
-0:18
30K
2:12:567:083.11 mi22:33
7:15
+0:09
20M
2:22:507:081.36 mi9:54
7:17
+0:02
21M
2:30:387:101.00 mi7:48
7:48
+0:31
35K
2:35:497:100.75 mi5:11
6:56
-0:52
23M
2:45:037:111.25 mi9:14
7:22
+0:26
24M
2:52:087:101.00 mi7:05
7:05
-0:17
40K
2:58:157:100.85 mi6:07
7:09
+0:04
25.2M
3:00:537:110.35 mi2:38
7:38
+0:29
Finish(26.22 mi)
3:08:017:111.02 mi7:08
7:00
-0:38
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:56 /mi

Average Pace

7:11 /mi

Slowest Pace

7:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:57:35

94% of race

Time at Steady Pace

10:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi685661666166709963126312
10K3.10 mi6767+896089+776089+77678360766076
15K3.11 mi6844-776134-456134-45709963126312
20K3.11 mi6862-186150-166150-16693961626162
Half(13.11 mi)0.68 mi6975-1136230-806230-80934776977697
25K2.42 mi6795+1806079+1516079+151611055235523
30K3.11 mi6575+2205903+1765903+176581052315231
20M1.36 mi6469+1065805+985805+98555649684968
21M1.00 mi6407+625749+565749+56615853065306
35K0.75 mi6339+685694+555694+55495344594459
23M1.25 mi6252+875615+795615+79570849844984
24M1.00 mi6145+1075520+955520+95510645064506
40K0.85 mi6053+925439+815439+81464740984098
25.2M0.35 mi6014+395406+335406+33456139743974
Finish(26.22 mi)1.02 mi5936+785336+705336+70521044184418

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7099

Males

6312

M65-69

6312

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6783

Males

6076

M65-69

6076

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7099

Males

6312

M65-69

6312

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6939

Males

6162

M65-69

6162

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9347

Males

7697

M65-69

7697

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6110

Males

5523

M65-69

5523

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5810

Males

5231

M65-69

5231

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5556

Males

4968

M65-69

4968

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6158

Males

5306

M65-69

5306

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

4953

Males

4459

M65-69

4459

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5708

Males

4984

M65-69

4984

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5106

Males

4506

M65-69

4506

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4647

Males

4098

M65-69

4098

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4561

Males

3974

M65-69

3974

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5210

Males

4418

M65-69

4418

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#6856
5K → 10K
153242+89
#6856 → #6767
10K → 15K
16891-77
#6767 → #6844
15K → 20K
11496-18
#6844 → #6862
20K → Half
1152-113
#6862 → #6975
Half → 25K
10190+180
#6975 → #6795
25K → 30K
18238+220
#6795 → #6575
30K → 20M
16122+106
#6575 → #6469
20M → 21M
2486+62
#6469 → #6407
21M → 35K
977+68
#6407 → #6339
35K → 23M
24111+87
#6339 → #6252
23M → 24M
11118+107
#6252 → #6145
24M → 40K
799+92
#6145 → #6053
40K → 25.2M
443+39
#6053 → #6014
25.2M → Finish
24102+78
#6014 → #5936
TOTALS
6971617+920
#6856 → #5936

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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