Boston Marathon logo
BOSTON MARATHON 2023

Stephen Harley

Bib: 22754•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 (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:35
Rank: #21208
Start → 5K
28:35 | 9:12/mi
10K· 6.21 mi
57:14
Rank: #21432 (-224)
5K → 10K
28:39 | 9:13/mi
15K· 9.32 mi
1:29:01
Rank: #22449 (-1017)
10K → 15K
31:47 | 10:14/mi
20K· 12.43 mi
1:59:02
Rank: #22327 (+122)
15K → 20K
30:01 | 9:40/mi
Half· 13.11 mi
2:05:28
Rank: #22307 (+20)
20K → Half
6:26 | 9:26/mi
25K· 15.53 mi
2:29:55
Rank: #22347 (-40)
Half → 25K
24:27 | 10:05/mi
30K· 18.64 mi
3:03:57
Rank: #22487 (-140)
25K → 30K
34:02 | 10:57/mi
20M
3:18:32
Rank: #22463 (+24)
30K → 20M
14:35 | 10:44/mi
21M
3:31:12
Rank: #22561 (-98)
20M → 21M
12:40 | 12:40/mi
35K· 21.75 mi
3:39:11
Rank: #22555 (+6)
21M → 35K
7:59 | 10:40/mi
23M
3:53:15
Rank: #22573 (-18)
35K → 23M
14:04 | 11:14/mi
24M
4:04:31
Rank: #22613 (-40)
23M → 24M
11:16 | 11:16/mi
40K· 24.85 mi
4:13:40
Rank: #22587 (+26)
24M → 40K
9:09 | 10:42/mi
25.2M
4:17:52
Rank: #22587
40K → 25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
4:28:20
Rank: #22584 (+3)
25.2M → Finish
10:28 | 10:16/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
Time2:05:28
Pace9:34 /mi
2nd Half
Distance13.11 mi
Time2:22:52
Pace10:54 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0328:359:1228:35
9:12
-
10K
6.21 mi11:53:4257:149:1328:39
9:13
+0:01
15K
9.32 mi12:25:291:29:019:3331:47
10:14
+1:01
20K
12.43 mi12:55:301:59:029:3530:01
9:40
-0:34
Half
13.11 mi13:01:562:05:289:346:26
9:26
-0:14
25K
15.53 mi13:26:232:29:559:3924:27
10:05
+0:39
30K
18.64 mi14:00:253:03:579:5234:02
10:57
+0:52
20M
20.00 mi14:15:003:18:329:5614:35
10:44
-0:13
21M
21.00 mi14:27:403:31:1210:0312:40
12:40
+1:56
35K
21.75 mi14:35:393:39:1110:057:59
10:40
-2:00
23M
23.00 mi14:49:433:53:1510:0814:04
11:14
+0:34
24M
24.00 mi15:00:594:04:3110:1111:16
11:16
+0:02
40K
24.85 mi15:10:084:13:4010:129:09
10:42
-0:34
25.2M
25.20 mi15:14:204:17:5210:144:12
12:11
+1:29
Finish
26.22 mi15:24:484:28:2010:1510:28
10:16
-1:55

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

9:12 /mi

Average Pace

10:15 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:08

44% of race

Time at Steady Pace

1:48:00

40% of race

Time at Slower Pace

42:12

16% of race

Average Pace: 10:14 /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 mi11:25:0328:359:1228:35
9:12
#21208
10K
6.21 mi11:53:4257:149:1328:39
9:13
#21432
15K
9.32 mi12:25:291:29:019:3331:47
10:14
#22449
20K
12.43 mi12:55:301:59:029:3530:01
9:40
#22327
Half
13.11 mi13:01:562:05:289:346:26
9:26
#22307
25K
15.53 mi13:26:232:29:559:3924:27
10:05
#22347
30K
18.64 mi14:00:253:03:579:5234:02
10:57
#22487
20M
20.00 mi14:15:003:18:329:5614:35
10:44
#22463
21M
21.00 mi14:27:403:31:1210:0312:40
12:40
#22561
35K
21.75 mi14:35:393:39:1110:057:59
10:40
#22555
23M
23.00 mi14:49:433:53:1510:0814:04
11:14
#22573
24M
24.00 mi15:00:594:04:3110:1111:16
11:16
#22613
40K
24.85 mi15:10:084:13:4010:129:09
10:42
#22587
25.2M
25.20 mi15:14:204:17:5210:144:12
12:11
#22587
Finish
26.22 mi15:24:484:28:2010:1510:28
10:16
#22584
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21208127091270923945(Top 90%)14056(Top 93%)14056(Top 1266%)
10K6.21 mi3.10 mi21432-22412863-15412863-15421678(Top 81%)13011(Top 86%)13011(Top 1172%)
15K9.32 mi3.11 mi22449-101713363-50013363-50023945(Top 90%)14056(Top 93%)14056(Top 1266%)
20K12.43 mi3.11 mi22327+12213310+5313310+5322038(Top 83%)13194(Top 87%)13194(Top 1189%)
Half13.11 mi0.68 mi22307+2013300+1013300+1021902(Top 82%)13154(Top 87%)13154(Top 1185%)
25K15.53 mi2.42 mi22347-4013298+213298+222395(Top 84%)13317(Top 88%)13317(Top 1200%)
30K18.64 mi3.11 mi22487-14013348-5013348-5023011(Top 86%)13522(Top 89%)13522(Top 1218%)
20M20.00 mi1.36 mi22463+2413328+2013328+2022223(Top 83%)13096(Top 86%)13096(Top 1180%)
21M21.00 mi1.00 mi22561-9813367-3913367-3923664(Top 89%)13741(Top 91%)13741(Top 1238%)
35K21.75 mi0.75 mi22555+613361+613361+622698(Top 85%)13257(Top 87%)13257(Top 1194%)
23M23.00 mi1.25 mi22573-1813355+613355+622786(Top 86%)13283(Top 88%)13283(Top 1197%)
24M24.00 mi1.00 mi22613-4013364-913364-923532(Top 88%)13599(Top 90%)13599(Top 1225%)
40K24.85 mi0.85 mi22587+2613345+1913345+1921708(Top 82%)12697(Top 84%)12697(Top 1144%)
25.2M25.20 mi0.35 mi2258713341+413341+422789(Top 86%)13222(Top 87%)13222(Top 1191%)
Finish26.22 mi1.02 mi22584+313326+1513326+1522458(Top 84%)13077(Top 86%)13077(Top 1178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

23945

Males

14056

M60-64

14056

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21678

Males

13011

M60-64

13011

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

23945

Males

14056

M60-64

14056

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

22038

Males

13194

M60-64

13194

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21902

Males

13154

M60-64

13154

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22395

Males

13317

M60-64

13317

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

23011

Males

13522

M60-64

13522

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

22223

Males

13096

M60-64

13096

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23664

Males

13741

M60-64

13741

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22698

Males

13257

M60-64

13257

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22786

Males

13283

M60-64

13283

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23532

Males

13599

M60-64

13599

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21708

Males

12697

M60-64

12697

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22789

Males

13222

M60-64

13222

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22458

Males

13077

M60-64

13077

Passing Analysis

Category:
Athletes Passed
872
Passed By
2248
Net Change
-1376
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21208
5K → 10K170394-224#21208#21432
10K → 15K141031-1017#21432#22449
15K → 20K18967+122#22449#22327
20K → Half3010+20#22327#22307
Half → 25K89129-40#22307#22347
25K → 30K78218-140#22347#22487
30K → 20M6541+24#22487#22463
20M → 21M27125-98#22463#22561
21M → 35K3630+6#22561#22555
35K → 23M6078-18#22555#22573
23M → 24M1656-40#22573#22613
24M → 40K4216+26#22613#22587
40K → 25.2M15150#22587#22587
25.2M → Finish4138+3#22587#22584
TOTALS8722248-1376
📊

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