Boston Marathon logo
BOSTON MARATHON 2023

Bennett Brookstein

Bib: 13184•M

PA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 38%
Division (M50-54)
#0 / 2052
Top 36%
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
7:31/mi
23:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
46:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:09:06
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:33:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:38:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:47/mi
1:57:34
↑ 66↓ 880.2%
30K· 18.64 mi
8:03/mi
2:22:36
↑ 181↓ 1480.2%
20M
7:41/mi
2:33:03
↑ 64↓ 500.2%
21M
7:55/mi
2:40:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:26/mi
2:46:32
↑ 17↓ 861.7%
23M
7:38/mi
2:56:05
↑ 23↓ 630.6%
24M
7:33/mi
3:03:38
↓ 821.3%
40K· 24.85 mi
7:37/mi
3:10:09
↓ 200.3%
25.2M
8:01/mi
3:12:55
↑ 13↓ 160.2%
Finish· 26.22 mi
7:13/mi
3:20:16
↑ 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
Time1:38:42
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:41:34
Pace7:45 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0123:217:3123:21
7:31
-
10K
6.21 mi11:14:4246:027:2522:41
7:18
-0:13
15K
9.32 mi11:37:461:09:067:2523:04
7:25
+0:07
20K
12.43 mi12:02:131:33:337:3224:27
7:52
+0:27
Half
13.11 mi12:07:221:38:427:325:09
7:33
-0:19
25K
15.53 mi12:26:141:57:347:3418:52
7:47
+0:14
30K
18.64 mi12:51:162:22:367:3925:02
8:03
+0:16
20M
20.00 mi13:01:432:33:037:3910:27
7:41
-0:22
21M
21.00 mi13:09:382:40:587:407:55
7:55
+0:14
35K
21.75 mi13:15:122:46:327:395:34
7:26
-0:29
23M
23.00 mi13:24:452:56:057:399:33
7:38
+0:12
24M
24.00 mi13:32:183:03:387:397:33
7:33
-0:05
40K
24.85 mi13:38:493:10:097:396:31
7:37
+0:04
25.2M
25.20 mi13:41:353:12:557:392:46
8:01
+0:24
Finish
26.22 mi13:48:563:20:167:397:21
7:13
-0:48

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

7:13 /mi

Average Pace

7:39 /mi

Slowest Pace

8:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:28

86% of race

Time at Steady Pace

27:48

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:52:0123:217:3123:21
7:31
#9749
10K
6.21 mi11:14:4246:027:2522:41
7:18
#9236
15K
9.32 mi11:37:461:09:067:2523:04
7:25
#9301
20K
12.43 mi12:02:131:33:337:3224:27
7:52
#10067
Half
13.11 mi12:07:221:38:427:325:09
7:33
#10083
25K
15.53 mi12:26:141:57:347:3418:52
7:47
#10208
30K
18.64 mi12:51:162:22:367:3925:02
8:03
#10359
20M
20.00 mi13:01:432:33:037:3910:27
7:41
#10178
21M
21.00 mi13:09:382:40:587:407:55
7:55
#9931
35K
21.75 mi13:15:122:46:327:395:34
7:26
#9852
23M
23.00 mi13:24:452:56:057:399:33
7:38
#9652
24M
24.00 mi13:32:183:03:387:397:33
7:33
#9562
40K
24.85 mi13:38:493:10:097:396:31
7:37
#9448
25.2M
25.20 mi13:41:353:12:557:392:46
8:01
#9389
Finish
26.22 mi13:48:563:20:167:397:21
7:13
#9267
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9749800780079552(Top 36%)7895(Top 52%)7895(Top 385%)
10K6.21 mi3.10 mi9236+5137713+2947713+2948861(Top 33%)7497(Top 49%)7497(Top 365%)
15K9.32 mi3.11 mi9301-657747-347747-349552(Top 36%)7895(Top 52%)7895(Top 385%)
20K12.43 mi3.11 mi10067-7668190-4438190-44312311(Top 46%)9147(Top 60%)9147(Top 446%)
Half13.11 mi0.68 mi10083-168195-58195-510528(Top 40%)8350(Top 55%)8350(Top 407%)
25K15.53 mi2.42 mi10208-1258239-448239-4410925(Top 41%)8459(Top 56%)8459(Top 412%)
30K18.64 mi3.11 mi10359-1518264-258264-2511341(Top 43%)8512(Top 56%)8512(Top 415%)
20M20.00 mi1.36 mi10178+1818148+1168148+1168100(Top 30%)6660(Top 44%)6660(Top 325%)
21M21.00 mi1.00 mi9931+2478002+1468002+1466836(Top 26%)5770(Top 38%)5770(Top 281%)
35K21.75 mi0.75 mi9852+797944+587944+588076(Top 30%)6547(Top 43%)6547(Top 319%)
23M23.00 mi1.25 mi9652+2007798+1467798+1467264(Top 27%)5991(Top 39%)5991(Top 292%)
24M24.00 mi1.00 mi9562+907725+737725+738037(Top 30%)6345(Top 42%)6345(Top 309%)
40K24.85 mi0.85 mi9448+1147626+997626+997451(Top 28%)5911(Top 39%)5911(Top 288%)
25.2M25.20 mi0.35 mi9389+597579+477579+476641(Top 25%)5367(Top 35%)5367(Top 262%)
Finish26.22 mi1.02 mi9267+1227493+867493+866521(Top 24%)5272(Top 35%)5272(Top 257%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9552

Males

7895

M50-54

7895

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8861

Males

7497

M50-54

7497

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9552

Males

7895

M50-54

7895

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12311

Males

9147

M50-54

9147

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10528

Males

8350

M50-54

8350

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10925

Males

8459

M50-54

8459

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11341

Males

8512

M50-54

8512

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8100

Males

6660

M50-54

6660

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6836

Males

5770

M50-54

5770

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8076

Males

6547

M50-54

6547

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7264

Males

5991

M50-54

5991

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8037

Males

6345

M50-54

6345

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7451

Males

5911

M50-54

5911

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6641

Males

5367

M50-54

5367

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6521

Males

5272

M50-54

5272

Passing Analysis

Category:
Athletes Passed
2164*
Passed By
1681
Net Change
+482
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9749
5K → 10K614101+513#9749#9236
10K → 15K125190-65#9236#9301
15K → 20K29794-766#9301#10067
20K → Half2541-16#10067#10083
Half → 25K89214-125#10083#10208
25K → 30K111262-151#10208#10359
30K → 20M194*13+181#10359#10178
20M → 21M250*3+247#10178#9931
21M → 35K889+79#9931#9852
35K → 23M21212+200#9852#9652
23M → 24M10717+90#9652#9562
24M → 40K125*11+114#9562#9448
40K → 25.2M612+59#9448#9389
25.2M → Finish13412+122#9389#9267
TOTALS2164*1681+482

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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