Boston Marathon logo
BOSTON MARATHON 2023

Jeffrey Anderson

Bib: 14015•M

CT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
Division (M60-64)
#0 / 1110
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:17
Rank: #9573
Start → 5K
23:17 | 7:30/mi
10K· 6.21 mi
45:56
Rank: #9128 (+445)
5K → 10K
22:39 | 7:17/mi
15K· 9.32 mi
1:08:39
Rank: #8948 (+180)
10K → 15K
22:43 | 7:19/mi
20K· 12.43 mi
1:31:55
Rank: #8973 (-25)
15K → 20K
23:16 | 7:29/mi
Half· 13.11 mi
1:36:52
Rank: #8927 (+46)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:55:10
Rank: #8927
Half → 25K
18:18 | 7:33/mi
30K· 18.64 mi
2:20:43
Rank: #9580 (-653)
25K → 30K
25:33 | 8:13/mi
20M
2:32:08
Rank: #9785 (-205)
30K → 20M
11:25 | 8:24/mi
21M
2:41:01
Rank: #9961 (-176)
20M → 21M
8:53 | 8:53/mi
35K· 21.75 mi
2:47:13
Rank: #10102 (-141)
21M → 35K
6:12 | 8:17/mi
23M
2:58:17
Rank: #10408 (-306)
35K → 23M
11:04 | 8:50/mi
24M
3:06:42
Rank: #10579 (-171)
23M → 24M
8:25 | 8:25/mi
40K· 24.85 mi
3:14:02
Rank: #10681 (-102)
24M → 40K
7:20 | 8:35/mi
25.2M
3:17:10
Rank: #10717 (-36)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:25:39
Rank: #10869 (-152)
25.2M → Finish
8:29 | 8:19/mi

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
Time1:36:52
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:48:47
Pace8:18 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1923:177:3023:17
7:30
-
10K
6.21 mi11:14:5845:567:2422:39
7:17
-0:13
15K
9.32 mi11:37:411:08:397:2222:43
7:19
+0:02
20K
12.43 mi12:00:571:31:557:2423:16
7:29
+0:10
Half
13.11 mi12:05:541:36:527:234:57
7:15
-0:14
25K
15.53 mi12:24:121:55:107:2518:18
7:33
+0:18
30K
18.64 mi12:49:452:20:437:3325:33
8:13
+0:40
20M
20.00 mi13:01:102:32:087:3611:25
8:24
+0:11
21M
21.00 mi13:10:032:41:017:408:53
8:53
+0:29
35K
21.75 mi13:16:152:47:137:416:12
8:17
-0:36
23M
23.00 mi13:27:192:58:177:4511:04
8:50
+0:33
24M
24.00 mi13:35:443:06:427:478:25
8:25
-0:25
40K
24.85 mi13:43:043:14:027:487:20
8:35
+0:10
25.2M
25.20 mi13:46:123:17:107:493:08
9:05
+0:30
Finish
26.22 mi13:54:413:25:397:518:29
8:19
-0:46

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

7:15 /mi

Average Pace

7:51 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:10

56% of race

Time at Steady Pace

1:07:24

33% of race

Time at Slower Pace

23:05

11% of race

Average Pace: 7:51 /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 mi10:52:1923:177:3023:17
7:30
#9573
10K
6.21 mi11:14:5845:567:2422:39
7:17
#9128
15K
9.32 mi11:37:411:08:397:2222:43
7:19
#8948
20K
12.43 mi12:00:571:31:557:2423:16
7:29
#8973
Half
13.11 mi12:05:541:36:527:234:57
7:15
#8927
25K
15.53 mi12:24:121:55:107:2518:18
7:33
#8927
30K
18.64 mi12:49:452:20:437:3325:33
8:13
#9580
20M
20.00 mi13:01:102:32:087:3611:25
8:24
#9785
21M
21.00 mi13:10:032:41:017:408:53
8:53
#9961
35K
21.75 mi13:16:152:47:137:416:12
8:17
#10102
23M
23.00 mi13:27:192:58:177:4511:04
8:50
#10408
24M
24.00 mi13:35:443:06:427:478:25
8:25
#10579
40K
24.85 mi13:43:043:14:027:487:20
8:35
#10681
25.2M
25.20 mi13:46:123:17:107:493:08
9:05
#10717
Finish
26.22 mi13:54:413:25:397:518:29
8:19
#10869
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi9573791579158663(Top 33%)7351(Top 48%)7351(Top 662%)
10K6.21 mi3.10 mi9128+4457651+2647651+2648800(Top 33%)7455(Top 49%)7455(Top 672%)
15K9.32 mi3.11 mi8948+1807528+1237528+1238663(Top 33%)7351(Top 48%)7351(Top 662%)
20K12.43 mi3.11 mi8973-257533-57533-59229(Top 35%)7649(Top 50%)7649(Top 689%)
Half13.11 mi0.68 mi8927+467499+347499+348261(Top 31%)7075(Top 47%)7075(Top 637%)
25K15.53 mi2.42 mi89277496+37496+39135(Top 34%)7520(Top 50%)7520(Top 677%)
30K18.64 mi3.11 mi9580-6537857-3617857-36112486(Top 47%)9011(Top 59%)9011(Top 812%)
20M20.00 mi1.36 mi9785-2057949-927949-9213013(Top 49%)9123(Top 60%)9123(Top 822%)
21M21.00 mi1.00 mi9961-1768020-718020-7112726(Top 48%)8901(Top 59%)8901(Top 802%)
35K21.75 mi0.75 mi10102-1418073-538073-5313982(Top 53%)9401(Top 62%)9401(Top 847%)
23M23.00 mi1.25 mi10408-3068192-1198192-11915170(Top 57%)9871(Top 65%)9871(Top 889%)
24M24.00 mi1.00 mi10579-1718245-538245-5313943(Top 52%)9279(Top 61%)9279(Top 836%)
40K24.85 mi0.85 mi10681-1028273-288273-2813782(Top 52%)9135(Top 60%)9135(Top 823%)
25.2M25.20 mi0.35 mi10717-368280-78280-712942(Top 49%)8722(Top 57%)8722(Top 786%)
Finish26.22 mi1.02 mi10869-1528323-438323-4314218(Top 53%)9337(Top 62%)9337(Top 841%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8663

Males

7351

M60-64

7351

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8800

Males

7455

M60-64

7455

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8663

Males

7351

M60-64

7351

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9229

Males

7649

M60-64

7649

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8261

Males

7075

M60-64

7075

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9135

Males

7520

M60-64

7520

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12486

Males

9011

M60-64

9011

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13013

Males

9123

M60-64

9123

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12726

Males

8901

M60-64

8901

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

13982

Males

9401

M60-64

9401

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15170

Males

9871

M60-64

9871

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13943

Males

9279

M60-64

9279

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13782

Males

9135

M60-64

9135

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12942

Males

8722

M60-64

8722

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14218

Males

9337

M60-64

9337

Passing Analysis

Category:
Athletes Passed
1380
Passed By
2673
Net Change
-1296
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9573
5K → 10K560115+445#9573#9128
10K → 15K24464+180#9128#8948
15K → 20K116141-25#8948#8973
20K → Half5913+46#8973#8927
Half → 25K97970#8927#8927
25K → 30K48701-653#8927#9580
30K → 20M42247-205#9580#9785
20M → 21M40215-176#9785#9961
21M → 35K16155-141#9961#10102
35K → 23M35341-306#10102#10408
23M → 24M30201-171#10408#10579
24M → 40K46148-102#10579#10681
40K → 25.2M2056-36#10681#10717
25.2M → Finish27179-152#10717#10869
TOTALS13802673-1296
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing