Boston Marathon logo
BOSTON MARATHON 2023

Barkley Jones

Bib: 9529•M

UT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
26:39
Rank: #18085
Start → 5K
26:39 | 8:35/mi
10K· 6.21 mi
53:10
Rank: #18227 (-142)
5K → 10K
26:31 | 8:32/mi
15K· 9.32 mi
1:19:04
Rank: #17731 (+496)
10K → 15K
25:54 | 8:20/mi
20K· 12.43 mi
1:47:31
Rank: #18516 (-785)
15K → 20K
28:27 | 9:09/mi
Half· 13.11 mi
1:53:29
Rank: #18560 (-44)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:14:35
Rank: #18360 (+200)
Half → 25K
21:06 | 8:42/mi
30K· 18.64 mi
2:48:41
Rank: #19815 (-1455)
25K → 30K
34:06 | 10:59/mi
20M
3:00:53
Rank: #19572 (+243)
30K → 20M
12:12 | 8:59/mi
21M
3:10:23
Rank: #19349 (+223)
20M → 21M
9:30 | 9:30/mi
35K· 21.75 mi
3:17:01
Rank: #19289 (+60)
21M → 35K
6:38 | 8:52/mi
23M
3:29:34
Rank: #19355 (-66)
35K → 23M
12:33 | 10:01/mi
24M
3:38:19
Rank: #19223 (+132)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:45:58
Rank: #19097 (+126)
24M → 40K
7:39 | 8:57/mi
25.2M
3:49:16
Rank: #19050 (+47)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:57:58
Rank: #18940 (+110)
25.2M → Finish
8:42 | 8:32/mi

Course Map & Elevation

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
Time1:53:29
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:04:29
Pace9:30 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2526:398:3526:39
8:35
-
10K
6.21 mi11:49:5653:108:3326:31
8:32
-0:03
15K
9.32 mi12:15:501:19:048:2925:54
8:20
-0:12
20K
12.43 mi12:44:171:47:318:3928:27
9:09
+0:49
Half
13.11 mi12:50:151:53:298:395:58
8:45
-0:24
25K
15.53 mi13:11:212:14:358:4021:06
8:42
-0:03
30K
18.64 mi13:45:272:48:419:0334:06
10:59
+2:17
20M
20.00 mi13:57:393:00:539:0312:12
8:59
-2:00
21M
21.00 mi14:07:093:10:239:049:30
9:30
+0:31
35K
21.75 mi14:13:473:17:019:046:38
8:52
-0:38
23M
23.00 mi14:26:203:29:349:0712:33
10:01
+1:09
24M
24.00 mi14:35:053:38:199:068:45
8:45
-1:16
40K
24.85 mi14:42:443:45:589:057:39
8:57
+0:12
25.2M
25.20 mi14:46:023:49:169:063:18
9:34
+0:37
Finish
26.22 mi14:54:443:57:589:058:42
8:32
-1:02

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

8:20 /mi

Average Pace

9:05 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

25:54

11% of race

Time at Steady Pace

2:32:37

64% of race

Time at Slower Pace

59:27

25% of race

Average Pace: 9:05 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:23:2526:398:3526:39
8:35
#18085
10K
6.21 mi11:49:5653:108:3326:31
8:32
#18227
15K
9.32 mi12:15:501:19:048:2925:54
8:20
#17731
20K
12.43 mi12:44:171:47:318:3928:27
9:09
#18516
Half
13.11 mi12:50:151:53:298:395:58
8:45
#18560
25K
15.53 mi13:11:212:14:358:4021:06
8:42
#18360
30K
18.64 mi13:45:272:48:419:0334:06
10:59
#19815
20M
20.00 mi13:57:393:00:539:0312:12
8:59
#19572
21M
21.00 mi14:07:093:10:239:049:30
9:30
#19349
35K
21.75 mi14:13:473:17:019:046:38
8:52
#19289
23M
23.00 mi14:26:203:29:349:0712:33
10:01
#19355
24M
24.00 mi14:35:053:38:199:068:45
8:45
#19223
40K
24.85 mi14:42:443:45:589:057:39
8:57
#19097
25.2M
25.20 mi14:46:023:49:169:063:18
9:34
#19050
Finish
26.22 mi14:54:443:57:589:058:42
8:32
#18940
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi18085114571145716765(Top 63%)10977(Top 72%)10977(Top 487%)
10K6.21 mi3.10 mi18227-14211553-9611553-9618455(Top 69%)11696(Top 77%)11696(Top 519%)
15K9.32 mi3.11 mi17731+49611353+20011353+20016765(Top 63%)10977(Top 72%)10977(Top 487%)
20K12.43 mi3.11 mi18516-78511683-33011683-33020387(Top 77%)12470(Top 82%)12470(Top 554%)
Half13.11 mi0.68 mi18560-4411700-1711700-1719162(Top 72%)11959(Top 79%)11959(Top 531%)
25K15.53 mi2.42 mi18360+20011597+10311597+10317388(Top 65%)11150(Top 73%)11150(Top 495%)
30K18.64 mi3.11 mi19815-145512173-57612173-57623046(Top 87%)13545(Top 89%)13545(Top 601%)
20M20.00 mi1.36 mi19572+24312062+11112062+11116413(Top 62%)10584(Top 70%)10584(Top 470%)
21M21.00 mi1.00 mi19349+22311957+10511957+10515950(Top 60%)10334(Top 68%)10334(Top 459%)
35K21.75 mi0.75 mi19289+6011926+3111926+3117275(Top 65%)10832(Top 71%)10832(Top 481%)
23M23.00 mi1.25 mi19355-6611950-2411950-2420048(Top 75%)12041(Top 79%)12041(Top 535%)
24M24.00 mi1.00 mi19223+13211884+6611884+6615931(Top 60%)10149(Top 67%)10149(Top 451%)
40K24.85 mi0.85 mi19097+12611820+6411820+6415853(Top 60%)10074(Top 66%)10074(Top 447%)
25.2M25.20 mi0.35 mi19050+4711795+2511795+2515487(Top 58%)9908(Top 65%)9908(Top 440%)
Finish26.22 mi1.02 mi18940+11011741+5411741+5415620(Top 59%)10006(Top 66%)10006(Top 444%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16765

Males

10977

M45-49

10977

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

18455

Males

11696

M45-49

11696

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16765

Males

10977

M45-49

10977

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20387

Males

12470

M45-49

12470

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19162

Males

11959

M45-49

11959

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17388

Males

11150

M45-49

11150

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23046

Males

13545

M45-49

13545

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16413

Males

10584

M45-49

10584

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

15950

Males

10334

M45-49

10334

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17275

Males

10832

M45-49

10832

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20048

Males

12041

M45-49

12041

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

15931

Males

10149

M45-49

10149

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15853

Males

10074

M45-49

10074

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15487

Males

9908

M45-49

9908

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15620

Males

10006

M45-49

10006

Passing Analysis

Category:
Athletes Passed
2117
Passed By
2972
Net Change
-855
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18085
5K → 10K236378-142#18085#18227
10K → 15K53741+496#18227#17731
15K → 20K35820-785#17731#18516
20K → Half1963-44#18516#18560
Half → 25K23939+200#18560#18360
25K → 30K121467-1455#18360#19815
30K → 20M2463+243#19815#19572
20M → 21M2285+223#19572#19349
21M → 35K7010+60#19349#19289
35K → 23M52118-66#19289#19355
23M → 24M1397+132#19355#19223
24M → 40K1359+126#19223#19097
40K → 25.2M514+47#19097#19050
25.2M → Finish1188+110#19050#18940
TOTALS21172972-855
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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