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BOSTON MARATHON 2023

Trevor Henry

Bib: 10566•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 10%
Division (M45-49)
#0 / 2252
Top 12%
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
6:41/mi
20:45
↑ 97↓ 3451.5%
10K· 6.21 mi
6:42/mi
41:33
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:02:31
↑ 67↓ 78
20K· 12.43 mi
6:48/mi
1:23:40
↑ 106↓ 860.1%
Half· 13.11 mi
6:40/mi
1:28:13
↑ 19↓ 370.5%
25K· 15.53 mi
6:46/mi
1:44:37
↑ 66↓ 880.2%
30K· 18.64 mi
6:55/mi
2:06:07
↑ 181↓ 1480.2%
20M
6:58/mi
2:15:35
↑ 64↓ 500.2%
21M
7:24/mi
2:22:59
↑ 106↓ 241.6%
35K· 21.75 mi
6:44/mi
2:28:01
↑ 17↓ 861.7%
23M
6:56/mi
2:36:42
↑ 23↓ 630.6%
24M
6:43/mi
2:43:25
↓ 821.3%
40K· 24.85 mi
6:54/mi
2:49:19
↓ 200.3%
25.2M
7:32/mi
2:51:55
↑ 13↓ 160.2%
Finish· 26.22 mi
6:40/mi
2:58:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:13
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:30:30
Pace6:54 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1220:456:4120:45
6:41
-
10K
6.21 mi11:08:0041:336:4120:48
6:42
+0:01
15K
9.32 mi11:28:581:02:316:4220:58
6:45
+0:03
20K
12.43 mi11:50:071:23:406:4421:09
6:48
+0:03
Half
13.11 mi11:54:401:28:136:444:33
6:40
-0:08
25K
15.53 mi12:11:041:44:376:4416:24
6:46
+0:06
30K
18.64 mi12:32:342:06:076:4621:30
6:55
+0:09
20M
20.00 mi12:42:022:15:356:479:28
6:58
+0:03
21M
21.00 mi12:49:262:22:596:497:24
7:24
+0:26
35K
21.75 mi12:54:282:28:016:485:02
6:44
-0:40
23M
23.00 mi13:03:092:36:426:498:41
6:56
+0:12
24M
24.00 mi13:09:522:43:256:496:43
6:43
-0:13
40K
24.85 mi13:15:462:49:196:495:54
6:54
+0:11
25.2M
25.20 mi13:18:222:51:556:492:36
7:32
+0:38
Finish
26.22 mi13:25:102:58:436:496:48
6:40
-0:52

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

6:40 /mi

Average Pace

6:49 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:43

94% of race

Time at Steady Pace

10:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:47:1220:456:4120:45
6:41
#3473
10K
6.21 mi11:08:0041:336:4120:48
6:42
#3840
15K
9.32 mi11:28:581:02:316:4220:58
6:45
#4084
20K
12.43 mi11:50:071:23:406:4421:09
6:48
#4183
Half
13.11 mi11:54:401:28:136:444:33
6:40
#4175
25K
15.53 mi12:11:041:44:376:4416:24
6:46
#4094
30K
18.64 mi12:32:342:06:076:4621:30
6:55
#3994
20M
20.00 mi12:42:022:15:356:479:28
6:58
#3962
21M
21.00 mi12:49:262:22:596:497:24
7:24
#3951
35K
21.75 mi12:54:282:28:016:485:02
6:44
#3926
23M
23.00 mi13:03:092:36:426:498:41
6:56
#3862
24M
24.00 mi13:09:522:43:256:496:43
6:43
#3813
40K
24.85 mi13:15:462:49:196:495:54
6:54
#3761
25.2M
25.20 mi13:18:222:51:556:492:36
7:32
#3773
Finish
26.22 mi13:25:102:58:436:496:48
6:40
#3746
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3473327432744576(Top 17%)4272(Top 28%)4272(Top 190%)
10K6.21 mi3.10 mi3840-3673615-3413615-3414274(Top 16%)4002(Top 26%)4002(Top 178%)
15K9.32 mi3.11 mi4084-2443838-2233838-2234576(Top 17%)4272(Top 28%)4272(Top 190%)
20K12.43 mi3.11 mi4183-993925-873925-874493(Top 17%)4189(Top 28%)4189(Top 186%)
Half13.11 mi0.68 mi4175+83916+93916+94027(Top 15%)3779(Top 25%)3779(Top 168%)
25K15.53 mi2.42 mi4094+813843+733843+733838(Top 14%)3610(Top 24%)3610(Top 160%)
30K18.64 mi3.11 mi3994+1003760+833760+833783(Top 14%)3547(Top 23%)3547(Top 158%)
20M20.00 mi1.36 mi3962+323727+333727+333809(Top 14%)3545(Top 23%)3545(Top 157%)
21M21.00 mi1.00 mi3951+113718+93718+94113(Top 15%)3782(Top 25%)3782(Top 168%)
35K21.75 mi0.75 mi3926+253692+263692+263716(Top 14%)3433(Top 23%)3433(Top 152%)
23M23.00 mi1.25 mi3862+643633+593633+593432(Top 13%)3180(Top 21%)3180(Top 141%)
24M24.00 mi1.00 mi3813+493583+503583+503208(Top 12%)2974(Top 20%)2974(Top 132%)
40K24.85 mi0.85 mi3761+523535+483535+483325(Top 12%)3041(Top 20%)3041(Top 135%)
25.2M25.20 mi0.35 mi3773-123546-113546-114032(Top 15%)3574(Top 24%)3574(Top 159%)
Finish26.22 mi1.02 mi3746+273518+283518+283354(Top 13%)3012(Top 20%)3012(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4576

Males

4272

M45-49

4272

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4274

Males

4002

M45-49

4002

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4576

Males

4272

M45-49

4272

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4493

Males

4189

M45-49

4189

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4027

Males

3779

M45-49

3779

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3838

Males

3610

M45-49

3610

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

3783

Males

3547

M45-49

3547

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3809

Males

3545

M45-49

3545

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

4113

Males

3782

M45-49

3782

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3716

Males

3433

M45-49

3433

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3432

Males

3180

M45-49

3180

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3208

Males

2974

M45-49

2974

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3325

Males

3041

M45-49

3041

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4032

Males

3574

M45-49

3574

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3354

Males

3012

M45-49

3012

Passing Analysis

Category:
Athletes Passed
1019
Passed By
1292
Net Change
-273
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3473
5K → 10K90457-367#3473#3840
10K → 15K49293-244#3840#4084
15K → 20K64163-99#4084#4183
20K → Half2315+8#4183#4175
Half → 25K11534+81#4175#4094
25K → 30K16262+100#4094#3994
30K → 20M7139+32#3994#3962
20M → 21M7867+11#3962#3951
21M → 35K4621+25#3951#3926
35K → 23M8420+64#3926#3862
23M → 24M7223+49#3862#3813
24M → 40K8129+52#3813#3761
40K → 25.2M1729-12#3761#3773
25.2M → Finish6740+27#3773#3746
TOTALS10191292-273
📊

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