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BOSTON MARATHON 2023

Nicholas Brisbois

Bib: 25677•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:38/mi
29:56
↑ 97↓ 3451.5%
10K· 6.21 mi
9:14/mi
58:36
↑ 79↓ 1380.4%
15K· 9.32 mi
9:28/mi
1:28:02
↑ 67↓ 78
20K· 12.43 mi
9:39/mi
1:58:00
↑ 106↓ 860.1%
Half· 13.11 mi
9:18/mi
2:04:21
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:27:02
↑ 66↓ 880.2%
30K· 18.64 mi
9:37/mi
2:56:56
↑ 181↓ 1480.2%
20M
9:53/mi
3:10:22
↑ 64↓ 500.2%
21M
10:36/mi
3:20:58
↑ 106↓ 241.6%
35K· 21.75 mi
9:41/mi
3:28:13
↑ 17↓ 861.7%
23M
9:49/mi
3:40:30
↑ 23↓ 630.6%
24M
9:32/mi
3:50:02
↓ 821.3%
40K· 24.85 mi
10:02/mi
3:58:37
↓ 200.3%
25.2M
10:52/mi
4:02:22
↑ 13↓ 160.2%
Finish· 26.22 mi
9:36/mi
4:12:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:21
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:07:48
Pace9:45 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4629:569:3829:56
9:38
-
10K
6.21 mi12:14:2658:369:2628:40
9:14
-0:24
15K
9.32 mi12:43:521:28:029:2729:26
9:28
+0:14
20K
12.43 mi13:13:501:58:009:3029:58
9:39
+0:11
Half
13.11 mi13:20:112:04:219:296:21
9:18
-0:21
25K
15.53 mi13:42:522:27:029:2822:41
9:21
+0:03
30K
18.64 mi14:12:462:56:569:2929:54
9:37
+0:16
20M
20.00 mi14:26:123:10:229:3113:26
9:53
+0:16
21M
21.00 mi14:36:483:20:589:3410:36
10:36
+0:43
35K
21.75 mi14:44:033:28:139:347:15
9:41
-0:55
23M
23.00 mi14:56:203:40:309:3512:17
9:49
+0:08
24M
24.00 mi15:05:523:50:029:359:32
9:32
-0:17
40K
24.85 mi15:14:273:58:379:368:35
10:02
+0:30
25.2M
25.20 mi15:18:124:02:229:373:45
10:52
+0:50
Finish
26.22 mi15:27:594:12:099:379:47
9:36
-1:16

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

9:14 /mi

Average Pace

9:37 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:57:48

94% of race

Time at Steady Pace

14:21

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:37 /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 mi11:45:4629:569:3829:56
9:38
#22471
10K
6.21 mi12:14:2658:369:2628:40
9:14
#22144
15K
9.32 mi12:43:521:28:029:2729:26
9:28
#22135
20K
12.43 mi13:13:501:58:009:3029:58
9:39
#22087
Half
13.11 mi13:20:112:04:219:296:21
9:18
#22061
25K
15.53 mi13:42:522:27:029:2822:41
9:21
#21780
30K
18.64 mi14:12:462:56:569:2929:54
9:37
#21457
20M
20.00 mi14:26:123:10:229:3113:26
9:53
#21345
21M
21.00 mi14:36:483:20:589:3410:36
10:36
#21254
35K
21.75 mi14:44:033:28:139:347:15
9:41
#21213
23M
23.00 mi14:56:203:40:309:3512:17
9:49
#21083
24M
24.00 mi15:05:523:50:029:359:32
9:32
#20999
40K
24.85 mi15:14:273:58:379:368:35
10:02
#20943
25.2M
25.20 mi15:18:124:02:229:373:45
10:52
#20928
Finish
26.22 mi15:27:594:12:099:379:47
9:36
#20896
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22471133301333022171(Top 83%)13261(Top 87%)13261(Top 251%)
10K6.21 mi3.10 mi22144+32713197+13313197+13321695(Top 81%)13020(Top 86%)13020(Top 246%)
15K9.32 mi3.11 mi22135+913206-913206-922171(Top 83%)13261(Top 87%)13261(Top 251%)
20K12.43 mi3.11 mi22087+4813186+2013186+2021980(Top 83%)13170(Top 87%)13170(Top 249%)
Half13.11 mi0.68 mi22061+2613177+913177+921506(Top 81%)12960(Top 85%)12960(Top 245%)
25K15.53 mi2.42 mi21780+28113062+11513062+11520371(Top 77%)12438(Top 82%)12438(Top 235%)
30K18.64 mi3.11 mi21457+32312902+16012902+16019877(Top 75%)12160(Top 80%)12160(Top 230%)
20M20.00 mi1.36 mi21345+11212831+7112831+7120132(Top 76%)12173(Top 80%)12173(Top 230%)
21M21.00 mi1.00 mi21254+9112781+5012781+5019883(Top 75%)11999(Top 79%)11999(Top 227%)
35K21.75 mi0.75 mi21213+4112750+3112750+3120435(Top 77%)12226(Top 81%)12226(Top 231%)
23M23.00 mi1.25 mi21083+13012681+6912681+6919457(Top 73%)11777(Top 78%)11777(Top 223%)
24M24.00 mi1.00 mi20999+8412634+4712634+4719331(Top 73%)11686(Top 77%)11686(Top 221%)
40K24.85 mi0.85 mi20943+5612597+3712597+3720069(Top 75%)11953(Top 79%)11953(Top 226%)
25.2M25.20 mi0.35 mi20928+1512588+912588+920142(Top 76%)11988(Top 79%)11988(Top 227%)
Finish26.22 mi1.02 mi20896+3212563+2512563+2520464(Top 77%)12167(Top 80%)12167(Top 230%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

22171

Males

13261

M18-39

13261

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21695

Males

13020

M18-39

13020

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

22171

Males

13261

M18-39

13261

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

21980

Males

13170

M18-39

13170

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21506

Males

12960

M18-39

12960

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20371

Males

12438

M18-39

12438

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19877

Males

12160

M18-39

12160

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20132

Males

12173

M18-39

12173

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19883

Males

11999

M18-39

11999

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20435

Males

12226

M18-39

12226

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19457

Males

11777

M18-39

11777

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

19331

Males

11686

M18-39

11686

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20069

Males

11953

M18-39

11953

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20142

Males

11988

M18-39

11988

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20464

Males

12167

M18-39

12167

Passing Analysis

Category:
Athletes Passed
2144
Passed By
569
Net Change
+1575
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22471
5K → 10K449122+327#22471#22144
10K → 15K176167+9#22144#22135
15K → 20K160112+48#22135#22087
20K → Half4014+26#22087#22061
Half → 25K2865+281#22061#21780
25K → 30K33512+323#21780#21457
30K → 20M13422+112#21457#21345
20M → 21M11625+91#21345#21254
21M → 35K5716+41#21254#21213
35K → 23M1399+130#21213#21083
23M → 24M928+84#21083#20999
24M → 40K648+56#20999#20943
40K → 25.2M2611+15#20943#20928
25.2M → Finish7038+32#20928#20896
TOTALS2144569+1575
📊

Passing Visuals

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