Boston Marathon logo
BOSTON MARATHON 2023

Andrew Fisler

Bib: 12123•M

PA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
8:42/mi
27:02
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
54:42
↑ 79↓ 1380.4%
15K· 9.32 mi
12:09/mi
1:32:26
↑ 67↓ 78
20K· 12.43 mi
11:59/mi
2:09:40
↑ 106↓ 860.1%
Half· 13.11 mi
13:41/mi
2:19:00
↑ 19↓ 370.5%
25K· 15.53 mi
12:29/mi
2:49:15
↑ 66↓ 880.2%
30K· 18.64 mi
13:07/mi
3:30:00
↑ 181↓ 1480.2%
20M
12:54/mi
3:47:32
↑ 64↓ 500.2%
21M
13:48/mi
4:01:20
↑ 106↓ 241.6%
35K· 21.75 mi
12:38/mi
4:10:47
↑ 17↓ 861.7%
23M
14:01/mi
4:28:20
↑ 23↓ 630.6%
24M
12:41/mi
4:41:01
↓ 821.3%
40K· 24.85 mi
12:43/mi
4:51:53
↓ 200.3%
25.2M
12:34/mi
4:56:13
↑ 13↓ 160.2%
Finish· 26.22 mi
11:22/mi
5:07:48
↑ 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
Time2:19:00
Pace10:36 /mi
2nd Half
Distance13.11 mi
Time2:48:48
Pace12:53 /mi
📊Positive Split: 21.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0327:028:4227:02
8:42
-
10K
6.21 mi11:22:4354:428:4827:40
8:54
+0:12
15K
9.32 mi12:00:271:32:269:5537:44
12:09
+3:15
20K
12.43 mi12:37:412:09:4010:2637:14
11:59
-0:10
Half
13.11 mi12:47:012:19:0010:369:20
13:41
+1:42
25K
15.53 mi13:17:162:49:1510:5430:15
12:29
-1:12
30K
18.64 mi13:58:013:30:0011:1640:45
13:07
+0:38
20M
20.00 mi14:15:333:47:3211:2317:32
12:54
-0:13
21M
21.00 mi14:29:214:01:2011:3013:48
13:48
+0:54
35K
21.75 mi14:38:484:10:4711:329:27
12:38
-1:10
23M
23.00 mi14:56:214:28:2011:4017:33
14:01
+1:23
24M
24.00 mi15:09:024:41:0111:4312:41
12:41
-1:20
40K
24.85 mi15:19:544:51:5311:4510:52
12:43
+0:02
25.2M
25.20 mi15:24:144:56:1311:454:20
12:34
-0:09
Finish
26.22 mi15:35:495:07:4811:4511:35
11:22
-1:12

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

8:42 /mi

Average Pace

11:45 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:17

22% of race

Time at Steady Pace

3:20:50

65% of race

Time at Slower Pace

40:41

13% of race

Average Pace: 11:44 /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 mi10:55:0327:028:4227:02
8:42
#18898
10K
6.21 mi11:22:4354:428:4827:40
8:54
#19692
15K
9.32 mi12:00:271:32:269:5537:44
12:09
#23416
20K
12.43 mi12:37:412:09:4010:2637:14
11:59
#24297
Half
13.11 mi12:47:012:19:0010:369:20
13:41
#24587
25K
15.53 mi13:17:162:49:1510:5430:15
12:29
#24849
30K
18.64 mi13:58:013:30:0011:1640:45
13:07
#25052
20M
20.00 mi14:15:333:47:3211:2317:32
12:54
#25068
21M
21.00 mi14:29:214:01:2011:3013:48
13:48
#25090
35K
21.75 mi14:38:484:10:4711:329:27
12:38
#25107
23M
23.00 mi14:56:214:28:2011:4017:33
14:01
#25183
24M
24.00 mi15:09:024:41:0111:4312:41
12:41
#25189
40K
24.85 mi15:19:544:51:5311:4510:52
12:43
#25184
25.2M
25.20 mi15:24:144:56:1311:454:20
12:34
#25168
Finish
26.22 mi15:35:495:07:4811:4511:35
11:22
#25154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi18898117421174226147(Top 98%)14996(Top 99%)14996(Top 731%)
10K6.21 mi3.10 mi19692-79412090-34812090-34820445(Top 77%)12479(Top 82%)12479(Top 608%)
15K9.32 mi3.11 mi23416-372413831-174113831-174126147(Top 98%)14996(Top 99%)14996(Top 731%)
20K12.43 mi3.11 mi24297-88114215-38414215-38425646(Top 96%)14772(Top 97%)14772(Top 720%)
Half13.11 mi0.68 mi24587-29014338-12314338-12326487(Top 99%)15105(Top 100%)15105(Top 736%)
25K15.53 mi2.42 mi24849-26214444-10614444-10625525(Top 96%)14695(Top 97%)14695(Top 716%)
30K18.64 mi3.11 mi25052-20314514-7014514-7025504(Top 96%)14637(Top 96%)14637(Top 713%)
20M20.00 mi1.36 mi25068-1614512+214512+225091(Top 94%)14420(Top 95%)14420(Top 703%)
21M21.00 mi1.00 mi25090-2214515-314515-324862(Top 93%)14306(Top 94%)14306(Top 697%)
35K21.75 mi0.75 mi25107-1714517-214517-225291(Top 95%)14462(Top 95%)14462(Top 705%)
23M23.00 mi1.25 mi25183-7614538-2114538-2125834(Top 97%)14752(Top 97%)14752(Top 719%)
24M24.00 mi1.00 mi25189-614537+114537+125222(Top 95%)14405(Top 95%)14405(Top 702%)
40K24.85 mi0.85 mi25184+514530+714530+724684(Top 93%)14150(Top 93%)14150(Top 690%)
25.2M25.20 mi0.35 mi25168+1614524+614524+623382(Top 88%)13493(Top 89%)13493(Top 658%)
Finish26.22 mi1.02 mi25154+1414514+1014514+1024512(Top 92%)14080(Top 93%)14080(Top 686%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

26147

Males

14996

M50-54

14996

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20445

Males

12479

M50-54

12479

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

26147

Males

14996

M50-54

14996

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

25646

Males

14772

M50-54

14772

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26487

Males

15105

M50-54

15105

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25525

Males

14695

M50-54

14695

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25504

Males

14637

M50-54

14637

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25091

Males

14420

M50-54

14420

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

24862

Males

14306

M50-54

14306

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25291

Males

14462

M50-54

14462

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25834

Males

14752

M50-54

14752

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

25222

Males

14405

M50-54

14405

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24684

Males

14150

M50-54

14150

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23382

Males

13493

M50-54

13493

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24512

Males

14080

M50-54

14080

Passing Analysis

Category:
Athletes Passed
322
Passed By
6578
Net Change
-6256
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18898
5K → 10K97891-794#18898#19692
10K → 15K03724-3724#19692#23416
15K → 20K5886-881#23416#24297
20K → Half2292-290#24297#24587
Half → 25K14276-262#24587#24849
25K → 30K36239-203#24849#25052
30K → 20M4157-16#25052#25068
20M → 21M2042-22#25068#25090
21M → 35K1229-17#25090#25107
35K → 23M1591-76#25107#25183
23M → 24M1622-6#25183#25189
24M → 40K2116+5#25189#25184
40K → 25.2M160+16#25184#25168
25.2M → Finish2713+14#25168#25154
TOTALS3226578-6256
📊

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