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BOSTON MARATHON 2023

Kyle Brennan

Bib: 26920 M US

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:45/mi
30:16
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:36/mi
1:00:04
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:32/mi
1:29:40
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:41/mi
1:59:44
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:52/mi
2:06:28
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:03/mi
2:30:49
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:34/mi
3:03:38
↑ 181↓ 1480.2%
138 ft elev
20M
11:07/mi
3:18:44
↑ 64↓ 500.2%
148 ft elev
21M
11:37/mi
3:30:21
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:54/mi
3:38:30
↑ 17↓ 861.7%
156 ft elev
23M
11:24/mi
3:52:47
↑ 23↓ 630.6%
116 ft elev
24M
10:52/mi
4:03:39
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:50/mi
4:12:55
↓ 200.3%
20 ft elev
25.2M
12:11/mi
4:17:07
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:47/mi
4:27:05
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:28
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:20:37
Pace10:44 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1330:169:4530:16
9:45
-
10K
6.21 mi12:17:011:00:049:4029:48
9:36
-0:09
15K
9.32 mi12:46:371:29:409:3729:36
9:32
-0:04
20K
12.43 mi13:16:411:59:449:3830:04
9:41
+0:09
Half
13.11 mi13:23:252:06:289:396:44
9:52
+0:11
25K
15.53 mi13:47:462:30:499:4324:21
10:03
+0:11
30K
18.64 mi14:20:353:03:389:5132:49
10:34
+0:31
20M
20.00 mi14:35:413:18:449:5615:06
11:07
+0:33
21M
21.00 mi14:47:183:30:2110:0111:37
11:37
+0:30
35K
21.75 mi14:55:273:38:3010:038:09
10:54
-0:43
23M
23.00 mi15:09:443:52:4710:0714:17
11:24
+0:30
24M
24.00 mi15:20:364:03:3910:0910:52
10:52
-0:32
40K
24.85 mi15:29:524:12:5510:119:16
10:50
-0:02
25.2M
25.20 mi15:34:044:17:0710:124:12
12:11
+1:21
Finish
26.22 mi15:44:024:27:0510:129:58
9:47
-2:24

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

9:32 /mi

Average Pace

10:12 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:47

60% of race

Time at Steady Pace

1:01:06

23% of race

Time at Slower Pace

45:12

17% of race

Average Pace: 10:11 /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 mi11:47:1330:169:4530:16
9:45
#22766
10K
6.21 mi12:17:011:00:049:4029:48
9:36
#22794
15K
9.32 mi12:46:371:29:409:3729:36
9:32
#22643
20K
12.43 mi13:16:411:59:449:3830:04
9:41
#22505
Half
13.11 mi13:23:252:06:289:396:44
9:52
#22541
25K
15.53 mi13:47:462:30:499:4324:21
10:03
#22497
30K
18.64 mi14:20:353:03:389:5132:49
10:34
#22446
20M
20.00 mi14:35:413:18:449:5615:06
11:07
#22484
21M
21.00 mi14:47:183:30:2110:0111:37
11:37
#22470
35K
21.75 mi14:55:273:38:3010:038:09
10:54
#22495
23M
23.00 mi15:09:443:52:4710:0714:17
11:24
#22520
24M
24.00 mi15:20:364:03:3910:0910:52
10:52
#22542
40K
24.85 mi15:29:524:12:5510:119:16
10:50
#22516
25.2M
25.20 mi15:34:044:17:0710:124:12
12:11
#22529
Finish
26.22 mi15:44:024:27:0510:129:58
9:47
#22477
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22766134771347722327(Top 84%)13333(Top 88%)13333(Top 252%)
10K6.21 mi3.10 mi22794-2813521-4413521-4422774(Top 86%)13530(Top 89%)13530(Top 256%)
15K9.32 mi3.11 mi22643+15113462+5913462+5922327(Top 84%)13333(Top 88%)13333(Top 252%)
20K12.43 mi3.11 mi22505+13813392+7013392+7022083(Top 83%)13211(Top 87%)13211(Top 250%)
Half13.11 mi0.68 mi22541-3613406-1413406-1423009(Top 86%)13631(Top 90%)13631(Top 258%)
25K15.53 mi2.42 mi22497+4413372+3413372+3422304(Top 84%)13284(Top 88%)13284(Top 251%)
30K18.64 mi3.11 mi22446+5113336+3613336+3622336(Top 84%)13220(Top 87%)13220(Top 250%)
20M20.00 mi1.36 mi22484-3813337-113337-122886(Top 86%)13410(Top 88%)13410(Top 254%)
21M21.00 mi1.00 mi22470+1413321+1613321+1622082(Top 83%)13019(Top 86%)13019(Top 246%)
35K21.75 mi0.75 mi22495-2513332-1113332-1123110(Top 87%)13436(Top 89%)13436(Top 254%)
23M23.00 mi1.25 mi22520-2513331+113331+123081(Top 87%)13427(Top 88%)13427(Top 254%)
24M24.00 mi1.00 mi22542-2213333-213333-222774(Top 86%)13242(Top 87%)13242(Top 251%)
40K24.85 mi0.85 mi22516+2613317+1613317+1622009(Top 83%)12832(Top 85%)12832(Top 243%)
25.2M25.20 mi0.35 mi22529-1313314+313314+322787(Top 86%)13220(Top 87%)13220(Top 250%)
Finish26.22 mi1.02 mi22477+5213284+3013284+3021081(Top 79%)12462(Top 82%)12462(Top 236%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22327

Males

13333

M18-39

13333

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22774

Males

13530

M18-39

13530

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22327

Males

13333

M18-39

13333

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22083

Males

13211

M18-39

13211

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

23009

Males

13631

M18-39

13631

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22304

Males

13284

M18-39

13284

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22336

Males

13220

M18-39

13220

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22886

Males

13410

M18-39

13410

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22082

Males

13019

M18-39

13019

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23110

Males

13436

M18-39

13436

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23081

Males

13427

M18-39

13427

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22774

Males

13242

M18-39

13242

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22009

Males

12832

M18-39

12832

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22787

Males

13220

M18-39

13220

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21081

Males

12462

M18-39

12462

Passing Analysis

Category:
Athletes Passed
1254
Passed By
965
Net Change
+289
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22766
5K → 10K226254-28#22766#22794
10K → 15K22776+151#22794#22643
15K → 20K21173+138#22643#22505
20K → Half1349-36#22505#22541
Half → 25K11773+44#22541#22497
25K → 30K13382+51#22497#22446
30K → 20M4886-38#22446#22484
20M → 21M6854+14#22484#22470
21M → 35K2853-25#22470#22495
35K → 23M4570-25#22495#22520
23M → 24M2446-22#22520#22542
24M → 40K3812+26#22542#22516
40K → 25.2M1225-13#22516#22529
25.2M → Finish6412+52#22529#22477
TOTALS1254965+289
📊

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