Boston Marathon logo
BOSTON MARATHON 2023

David Hurd

Bib: 12127•M

OK

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 50%
Division (M55-59)
#0 / 1422
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:39
Rank: #10643
Start → 5K
7:37/mi
23:39 split
10K· 6.21 mi
47:21
Rank: #11101 (-458)
5K → 10K
7:38/mi
23:42 split
15K· 9.32 mi
1:11:58
Rank: #11967 (-866)
10K → 15K
7:55/mi
24:37 split
20K· 12.43 mi
1:35:44
Rank: #11561 (+406)
15K → 20K
7:39/mi
23:46 split
Half· 13.11 mi
1:40:55
Rank: #11514 (+47)
20K → Half
7:36/mi
5:11 split
25K· 15.53 mi
2:00:29
Rank: #11773 (-259)
Half → 25K
8:04/mi
19:34 split
30K· 18.64 mi
2:25:27
Rank: #11631 (+142)
25K → 30K
8:02/mi
24:58 split
20M
2:36:19
Rank: #11494 (+137)
30K → 20M
8:00/mi
10:52 split
21M
2:45:18
Rank: #11610 (-116)
20M → 21M
8:59/mi
8:59 split
35K· 21.75 mi
2:51:09
Rank: #11581 (+29)
21M → 35K
7:49/mi
5:51 split
23M
3:01:39
Rank: #11629 (-48)
35K → 23M
8:23/mi
10:30 split
24M
3:09:36
Rank: #11584 (+45)
23M → 24M
7:57/mi
7:57 split
40K· 24.85 mi
3:16:50
Rank: #11646 (-62)
24M → 40K
8:28/mi
7:14 split
25.2M
3:20:35
Rank: #11855 (-209)
40K → 25.2M
10:52/mi
3:45 split
Finish· 26.22 mi
3:29:27
Rank: #12084 (-229)
25.2M → Finish
8:42/mi
8:52 split

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
Time1:40:55
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:48:32
Pace8:17 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0723:397:3723:39
7:37
-
10K
6.21 mi11:14:4947:217:3723:42
7:38
+0:01
15K
9.32 mi11:39:261:11:587:4324:37
7:55
+0:17
20K
12.43 mi12:03:121:35:447:4223:46
7:39
-0:16
Half
13.11 mi12:08:231:40:557:425:11
7:36
-0:03
25K
15.53 mi12:27:572:00:297:4519:34
8:04
+0:28
30K
18.64 mi12:52:552:25:277:4824:58
8:02
-0:02
20M
20.00 mi13:03:472:36:197:4910:52
8:00
-0:02
21M
21.00 mi13:12:462:45:187:528:59
8:59
+0:59
35K
21.75 mi13:18:372:51:097:525:51
7:49
-1:10
23M
23.00 mi13:29:073:01:397:5410:30
8:23
+0:34
24M
24.00 mi13:37:043:09:367:547:57
7:57
-0:26
40K
24.85 mi13:44:183:16:507:557:14
8:28
+0:31
25.2M
25.20 mi13:48:033:20:357:583:45
10:52
+2:24
Finish
26.22 mi13:56:553:29:278:008:52
8:42
-2:10

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

7:36 /mi

Average Pace

8:00 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:00:37

86% of race

Time at Slower Pace

28:50

14% of race

Average Pace: 7:59 /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 mi10:51:0723:397:3723:39
7:37
#10643
10K
6.21 mi11:14:4947:217:3723:42
7:38
#11101
15K
9.32 mi11:39:261:11:587:4324:37
7:55
#11967
20K
12.43 mi12:03:121:35:447:4223:46
7:39
#11561
Half
13.11 mi12:08:231:40:557:425:11
7:36
#11514
25K
15.53 mi12:27:572:00:297:4519:34
8:04
#11773
30K
18.64 mi12:52:552:25:277:4824:58
8:02
#11631
20M
20.00 mi13:03:472:36:197:4910:52
8:00
#11494
21M
21.00 mi13:12:462:45:187:528:59
8:59
#11610
35K
21.75 mi13:18:372:51:097:525:51
7:49
#11581
23M
23.00 mi13:29:073:01:397:5410:30
8:23
#11629
24M
24.00 mi13:37:043:09:367:547:57
7:57
#11584
40K
24.85 mi13:44:183:16:507:557:14
8:28
#11646
25.2M
25.20 mi13:48:033:20:357:583:45
10:52
#11855
Finish
26.22 mi13:56:553:29:278:008:52
8:42
#12084
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi106438476847613749(Top 52%)9797(Top 65%)9797(Top 689%)
10K6.21 mi3.10 mi11101-4588709-2338709-23311572(Top 43%)8918(Top 59%)8918(Top 627%)
15K9.32 mi3.11 mi11967-8669076-3679076-36713749(Top 52%)9797(Top 65%)9797(Top 689%)
20K12.43 mi3.11 mi11561+4068887+1898887+18910507(Top 39%)8349(Top 55%)8349(Top 587%)
Half13.11 mi0.68 mi11514+478865+228865+2210974(Top 41%)8613(Top 57%)8613(Top 606%)
25K15.53 mi2.42 mi11773-2598958-938958-9313286(Top 50%)9466(Top 62%)9466(Top 666%)
30K18.64 mi3.11 mi11631+1428845+1138845+11311185(Top 42%)8443(Top 56%)8443(Top 594%)
20M20.00 mi1.36 mi11494+1378765+808765+8010236(Top 38%)7889(Top 52%)7889(Top 555%)
21M21.00 mi1.00 mi11610-1168798-338798-3313281(Top 50%)9162(Top 60%)9162(Top 644%)
35K21.75 mi0.75 mi11581+298773+258773+2510786(Top 41%)8009(Top 53%)8009(Top 563%)
23M23.00 mi1.25 mi11629-488775-28775-212473(Top 47%)8674(Top 57%)8674(Top 610%)
24M24.00 mi1.00 mi11584+458733+428733+4210870(Top 41%)7843(Top 52%)7843(Top 552%)
40K24.85 mi0.85 mi11646-628743-108743-1013052(Top 49%)8801(Top 58%)8801(Top 619%)
25.2M25.20 mi0.35 mi11855-2098820-778820-7720106(Top 76%)11952(Top 79%)11952(Top 841%)
Finish26.22 mi1.02 mi12084-2298895-758895-7516463(Top 62%)10360(Top 68%)10360(Top 729%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13749

Males

9797

M55-59

9797

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11572

Males

8918

M55-59

8918

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13749

Males

9797

M55-59

9797

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10507

Males

8349

M55-59

8349

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10974

Males

8613

M55-59

8613

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13286

Males

9466

M55-59

9466

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11185

Males

8443

M55-59

8443

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10236

Males

7889

M55-59

7889

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13281

Males

9162

M55-59

9162

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10786

Males

8009

M55-59

8009

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12473

Males

8674

M55-59

8674

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10870

Males

7843

M55-59

7843

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13052

Males

8801

M55-59

8801

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20106

Males

11952

M55-59

11952

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16463

Males

10360

M55-59

10360

Passing Analysis

Category:
Athletes Passed
1506
Passed By
2947
Net Change
-1441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10643
5K → 10K136594-458#10643#11101
10K → 15K27893-866#11101#11967
15K → 20K43428+406#11967#11561
20K → Half6013+47#11561#11514
Half → 25K68327-259#11514#11773
25K → 30K248106+142#11773#11631
30K → 20M17033+137#11631#11494
20M → 21M52168-116#11494#11610
21M → 35K7344+29#11610#11581
35K → 23M81129-48#11581#11629
23M → 24M8641+45#11629#11584
24M → 40K43105-62#11584#11646
40K → 25.2M3212-209#11646#11855
25.2M → Finish25254-229#11855#12084
TOTALS15062947-1441
📊

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