Boston Marathon logo
BOSTON MARATHON 2023

Josh Brand

Bib: 16724•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 46%
Division (M55-59)
#0 / 1422
Top 29%
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
7:51/mi
24:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:49
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:37:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:42:26
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
2:01:25
↑ 66↓ 880.2%
30K· 18.64 mi
7:54/mi
2:25:59
↑ 181↓ 1480.2%
20M
7:52/mi
2:36:41
↑ 64↓ 500.2%
21M
8:15/mi
2:44:56
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:50:36
↑ 17↓ 861.7%
23M
7:54/mi
3:00:30
↑ 23↓ 630.6%
24M
7:37/mi
3:08:07
↓ 821.3%
40K· 24.85 mi
7:56/mi
3:14:54
↓ 200.3%
25.2M
8:56/mi
3:17:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:21/mi
3:26:30
↑ 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
Time1:42:26
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:44:04
Pace7:56 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2824:227:5124:22
7:51
-
10K
6.21 mi11:38:4948:437:5024:21
7:50
-0:01
15K
9.32 mi12:02:551:12:497:4924:06
7:45
-0:05
20K
12.43 mi12:27:161:37:107:4924:21
7:50
+0:05
Half
13.11 mi12:32:321:42:267:495:16
7:43
-0:07
25K
15.53 mi12:51:312:01:257:4918:59
7:50
+0:07
30K
18.64 mi13:16:052:25:597:5024:34
7:54
+0:04
20M
20.00 mi13:26:472:36:417:5010:42
7:52
-0:02
21M
21.00 mi13:35:022:44:567:518:15
8:15
+0:23
35K
21.75 mi13:40:422:50:367:515:40
7:34
-0:41
23M
23.00 mi13:50:363:00:307:519:54
7:54
+0:20
24M
24.00 mi13:58:133:08:077:507:37
7:37
-0:17
40K
24.85 mi14:05:003:14:547:506:47
7:56
+0:19
25.2M
25.20 mi14:08:053:17:597:513:05
8:56
+1:00
Finish
26.22 mi14:16:363:26:307:538:31
8:21
-0:35

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

7:34 /mi

Average Pace

7:53 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:54

94% of race

Time at Steady Pace

8:31

4% of race

Time at Slower Pace

3:05

1% of race

Average Pace: 7:53 /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 mi11:14:2824:227:5124:22
7:51
#12759
10K
6.21 mi11:38:4948:437:5024:21
7:50
#13076
15K
9.32 mi12:02:551:12:497:4924:06
7:45
#12794
20K
12.43 mi12:27:161:37:107:4924:21
7:50
#12564
Half
13.11 mi12:32:321:42:267:495:16
7:43
#12522
25K
15.53 mi12:51:312:01:257:4918:59
7:50
#12317
30K
18.64 mi13:16:052:25:597:5024:34
7:54
#11859
20M
20.00 mi13:26:472:36:417:5010:42
7:52
#11662
21M
21.00 mi13:35:022:44:567:518:15
8:15
#11458
35K
21.75 mi13:40:422:50:367:515:40
7:34
#11339
23M
23.00 mi13:50:363:00:307:519:54
7:54
#11187
24M
24.00 mi13:58:133:08:077:507:37
7:37
#11048
40K
24.85 mi14:05:003:14:547:506:47
7:56
#10979
25.2M
25.20 mi14:08:053:17:597:513:05
8:56
#10980
Finish
26.22 mi14:16:363:26:307:538:31
8:21
#11128
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi127599431943112348(Top 46%)9222(Top 61%)9222(Top 649%)
10K6.21 mi3.10 mi13076-3179565-1349565-13413436(Top 50%)9735(Top 64%)9735(Top 685%)
15K9.32 mi3.11 mi12794+2829443+1229443+12212348(Top 46%)9222(Top 61%)9222(Top 649%)
20K12.43 mi3.11 mi12564+2309308+1359308+13512033(Top 45%)9025(Top 59%)9025(Top 635%)
Half13.11 mi0.68 mi12522+429290+189290+1811972(Top 45%)9049(Top 60%)9049(Top 636%)
25K15.53 mi2.42 mi12317+2059175+1159175+11511332(Top 43%)8639(Top 57%)8639(Top 608%)
30K18.64 mi3.11 mi11859+4588944+2318944+23110191(Top 38%)7927(Top 52%)7927(Top 557%)
20M20.00 mi1.36 mi11662+1978840+1048840+1049388(Top 35%)7416(Top 49%)7416(Top 522%)
21M21.00 mi1.00 mi11458+2048740+1008740+1008907(Top 33%)7021(Top 46%)7021(Top 494%)
35K21.75 mi0.75 mi11339+1198675+658675+659090(Top 34%)7133(Top 47%)7133(Top 502%)
23M23.00 mi1.25 mi11187+1528573+1028573+1029125(Top 34%)7024(Top 46%)7024(Top 494%)
24M24.00 mi1.00 mi11048+1398481+928481+928516(Top 32%)6628(Top 44%)6628(Top 466%)
40K24.85 mi0.85 mi10979+698423+588423+589577(Top 36%)7124(Top 47%)7124(Top 501%)
25.2M25.20 mi0.35 mi10980-18408+158408+1512114(Top 46%)8308(Top 55%)8308(Top 584%)
Finish26.22 mi1.02 mi11128-1488458-508458-5014419(Top 54%)9439(Top 62%)9439(Top 664%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12348

Males

9222

M55-59

9222

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13436

Males

9735

M55-59

9735

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12348

Males

9222

M55-59

9222

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12033

Males

9025

M55-59

9025

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11972

Males

9049

M55-59

9049

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11332

Males

8639

M55-59

8639

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10191

Males

7927

M55-59

7927

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9388

Males

7416

M55-59

7416

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8907

Males

7021

M55-59

7021

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9090

Males

7133

M55-59

7133

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9125

Males

7024

M55-59

7024

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8516

Males

6628

M55-59

6628

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9577

Males

7124

M55-59

7124

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12114

Males

8308

M55-59

8308

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14419

Males

9439

M55-59

9439

Passing Analysis

Category:
Athletes Passed
2696
Passed By
1065
Net Change
+1631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12759
5K → 10K178495-317#12759#13076
10K → 15K37896+282#13076#12794
15K → 20K30777+230#12794#12564
20K → Half6018+42#12564#12522
Half → 25K22823+205#12522#12317
25K → 30K48527+458#12317#11859
30K → 20M21114+197#11859#11662
20M → 21M21915+204#11662#11458
21M → 35K1289+119#11458#11339
35K → 23M17523+152#11339#11187
23M → 24M15617+139#11187#11048
24M → 40K9829+69#11048#10979
40K → 25.2M3940-1#10979#10980
25.2M → Finish34182-148#10980#11128
TOTALS26961065+1631
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing