Boston Marathon logo
BOSTON MARATHON 2023

Brian Hampton

Bib: 27812•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
8:45/mi
27:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
52:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:17:07
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:42:01
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:47:32
↑ 19↓ 370.5%
25K· 15.53 mi
8:27/mi
2:08:02
↑ 66↓ 880.2%
30K· 18.64 mi
9:29/mi
2:37:31
↑ 181↓ 1480.2%
20M
9:02/mi
2:49:48
↑ 64↓ 500.2%
21M
10:21/mi
3:00:09
↑ 106↓ 241.6%
35K· 21.75 mi
9:03/mi
3:06:55
↑ 17↓ 861.7%
23M
10:03/mi
3:19:30
↑ 23↓ 630.6%
24M
9:26/mi
3:28:56
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:36:31
↓ 200.3%
25.2M
9:08/mi
3:39:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
3:47:56
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:32
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time2:00:24
Pace9:11 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4227:108:4527:10
8:45
-
10K
6.21 mi12:11:5752:258:2625:15
8:08
-0:37
15K
9.32 mi12:36:391:17:078:1624:42
7:57
-0:11
20K
12.43 mi13:01:331:42:018:1324:54
8:01
+0:04
Half
13.11 mi13:07:041:47:328:125:31
8:05
+0:04
25K
15.53 mi13:27:342:08:028:1520:30
8:27
+0:22
30K
18.64 mi13:57:032:37:318:2729:29
9:29
+1:02
20M
20.00 mi14:09:202:49:488:2912:17
9:02
-0:27
21M
21.00 mi14:19:413:00:098:3510:21
10:21
+1:19
35K
21.75 mi14:26:273:06:558:366:46
9:03
-1:18
23M
23.00 mi14:39:023:19:308:4012:35
10:03
+1:00
24M
24.00 mi14:48:283:28:568:429:26
9:26
-0:37
40K
24.85 mi14:56:033:36:318:437:35
8:52
-0:34
25.2M
25.20 mi14:59:123:39:408:433:09
9:08
+0:16
Finish
26.22 mi15:07:283:47:568:428:16
8:07
-1:01

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

7:57 /mi

Average Pace

8:42 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:08

48% of race

Time at Steady Pace

56:57

25% of race

Time at Slower Pace

1:01:51

27% of race

Average Pace: 8:42 /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 mi11:46:4227:108:4527:10
8:45
#19132
10K
6.21 mi12:11:5752:258:2625:15
8:08
#17439
15K
9.32 mi12:36:391:17:078:1624:42
7:57
#16320
20K
12.43 mi13:01:331:42:018:1324:54
8:01
#15637
Half
13.11 mi13:07:041:47:328:125:31
8:05
#15614
25K
15.53 mi13:27:342:08:028:1520:30
8:27
#15627
30K
18.64 mi13:57:032:37:318:2729:29
9:29
#16458
20M
20.00 mi14:09:202:49:488:2912:17
9:02
#16458
21M
21.00 mi14:19:413:00:098:3510:21
10:21
#16689
35K
21.75 mi14:26:273:06:558:366:46
9:03
#16724
23M
23.00 mi14:39:023:19:308:4012:35
10:03
#17007
24M
24.00 mi14:48:283:28:568:429:26
9:26
#17119
40K
24.85 mi14:56:033:36:318:437:35
8:52
#17061
25.2M
25.20 mi14:59:123:39:408:433:09
9:08
#17000
Finish
26.22 mi15:07:283:47:568:428:16
8:07
#16835
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi19132118271182713992(Top 53%)9897(Top 65%)9897(Top 439%)
10K6.21 mi3.10 mi17439+169311230+59711230+59715712(Top 59%)10608(Top 70%)10608(Top 471%)
15K9.32 mi3.11 mi16320+111910820+41010820+41013992(Top 53%)9897(Top 65%)9897(Top 439%)
20K12.43 mi3.11 mi15637+68310540+28010540+28013551(Top 51%)9696(Top 64%)9696(Top 431%)
Half13.11 mi0.68 mi15614+2310529+1110529+1115024(Top 56%)10324(Top 68%)10324(Top 458%)
25K15.53 mi2.42 mi15627-1310503+2610503+2615928(Top 60%)10513(Top 69%)10513(Top 467%)
30K18.64 mi3.11 mi16458-83110774-27110774-27119387(Top 73%)11956(Top 79%)11956(Top 531%)
20M20.00 mi1.36 mi1645810758+1610758+1616738(Top 63%)10720(Top 71%)10720(Top 476%)
21M21.00 mi1.00 mi16689-23110857-9910857-9919146(Top 72%)11696(Top 77%)11696(Top 519%)
35K21.75 mi0.75 mi16724-3510868-1110868-1118058(Top 68%)11160(Top 74%)11160(Top 496%)
23M23.00 mi1.25 mi17007-28310957-8910957-8920121(Top 76%)12070(Top 80%)12070(Top 536%)
24M24.00 mi1.00 mi17119-11210989-3210989-3218958(Top 71%)11513(Top 76%)11513(Top 511%)
40K24.85 mi0.85 mi17061+5810947+4210947+4215446(Top 58%)9879(Top 65%)9879(Top 439%)
25.2M25.20 mi0.35 mi17000+6110911+3610911+3613258(Top 50%)8899(Top 59%)8899(Top 395%)
Finish26.22 mi1.02 mi16835+16510834+7710834+7712854(Top 48%)8708(Top 57%)8708(Top 387%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

13992

Males

9897

M45-49

9897

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15712

Males

10608

M45-49

10608

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

13992

Males

9897

M45-49

9897

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13551

Males

9696

M45-49

9696

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15024

Males

10324

M45-49

10324

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15928

Males

10513

M45-49

10513

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

19387

Males

11956

M45-49

11956

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16738

Males

10720

M45-49

10720

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19146

Males

11696

M45-49

11696

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

18058

Males

11160

M45-49

11160

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20121

Males

12070

M45-49

12070

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18958

Males

11513

M45-49

11513

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15446

Males

9879

M45-49

9879

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13258

Males

8899

M45-49

8899

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12854

Males

8708

M45-49

8708

Passing Analysis

Category:
Athletes Passed
4301
Passed By
2004
Net Change
+2297
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19132
5K → 10K173542+1693#19132#17439
10K → 15K113112+1119#17439#16320
15K → 20K6929+683#16320#15637
20K → Half4421+23#15637#15614
Half → 25K136149-13#15614#15627
25K → 30K42873-831#15627#16458
30K → 20M79790#16458#16458
20M → 21M27258-231#16458#16689
21M → 35K3267-35#16689#16724
35K → 23M29312-283#16724#17007
23M → 24M31143-112#17007#17119
24M → 40K8325+58#17119#17061
40K → 25.2M654+61#17061#17000
25.2M → Finish17510+165#17000#16835
TOTALS43012004+2297
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing