Boston Marathon logo
BOSTON MARATHON 2023

Bruce Mcleod

Bib: 22037•M

BC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:49
Rank: #20232
Start → 5K
27:49 | 8:57/mi
10K· 6.21 mi
57:43
Rank: #21691 (-1459)
5K → 10K
29:54 | 9:37/mi
15K· 9.32 mi
1:26:46
Rank: #21723 (-32)
10K → 15K
29:03 | 9:21/mi
20K· 12.43 mi
1:56:35
Rank: #21747 (-24)
15K → 20K
29:49 | 9:36/mi
Half· 13.11 mi
2:02:55
Rank: #21741 (+6)
20K → Half
6:20 | 9:17/mi
25K· 15.53 mi
2:27:02
Rank: #21781 (-40)
Half → 25K
24:07 | 9:57/mi
30K· 18.64 mi
2:58:29
Rank: #21680 (+101)
25K → 30K
31:27 | 10:07/mi
20M
3:12:27
Rank: #21643 (+37)
30K → 20M
13:58 | 10:17/mi
21M
3:23:28
Rank: #21611 (+32)
20M → 21M
11:01 | 11:01/mi
35K· 21.75 mi
3:31:03
Rank: #21614 (-3)
21M → 35K
7:35 | 10:08/mi
23M
3:44:10
Rank: #21593 (+21)
35K → 23M
13:07 | 10:29/mi
24M
3:54:29
Rank: #21590 (+3)
23M → 24M
10:19 | 10:19/mi
40K· 24.85 mi
4:03:10
Rank: #21549 (+41)
24M → 40K
8:41 | 10:09/mi
25.2M
4:07:08
Rank: #21548 (+1)
40K → 25.2M
3:58 | 11:30/mi
Finish· 26.22 mi
4:17:24
Rank: #21569 (-21)
25.2M → Finish
10:16 | 10:04/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
Time2:02:55
Pace9:23 /mi
2nd Half
Distance13.11 mi
Time2:14:29
Pace10:16 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3427:498:5727:49
8:57
-
10K
6.21 mi11:52:2857:439:1729:54
9:37
+0:40
15K
9.32 mi12:21:311:26:469:1929:03
9:21
-0:16
20K
12.43 mi12:51:201:56:359:2329:49
9:36
+0:15
Half
13.11 mi12:57:402:02:559:236:20
9:17
-0:19
25K
15.53 mi13:21:472:27:029:2824:07
9:57
+0:40
30K
18.64 mi13:53:142:58:299:3431:27
10:07
+0:10
20M
20.00 mi14:07:123:12:279:3713:58
10:17
+0:10
21M
21.00 mi14:18:133:23:289:4111:01
11:01
+0:44
35K
21.75 mi14:25:483:31:039:427:35
10:08
-0:53
23M
23.00 mi14:38:553:44:109:4513:07
10:29
+0:21
24M
24.00 mi14:49:143:54:299:4610:19
10:19
-0:10
40K
24.85 mi14:57:554:03:109:478:41
10:09
-0:10
25.2M
25.20 mi15:01:534:07:089:483:58
11:30
+1:21
Finish
26.22 mi15:12:094:17:249:4910:16
10:04
-1:26

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

8:57 /mi

Average Pace

9:49 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:55

48% of race

Time at Steady Pace

1:46:23

41% of race

Time at Slower Pace

28:06

11% of race

Average Pace: 9:49 /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 mi11:22:3427:498:5727:49
8:57
#20232
10K
6.21 mi11:52:2857:439:1729:54
9:37
#21691
15K
9.32 mi12:21:311:26:469:1929:03
9:21
#21723
20K
12.43 mi12:51:201:56:359:2329:49
9:36
#21747
Half
13.11 mi12:57:402:02:559:236:20
9:17
#21741
25K
15.53 mi13:21:472:27:029:2824:07
9:57
#21781
30K
18.64 mi13:53:142:58:299:3431:27
10:07
#21680
20M
20.00 mi14:07:123:12:279:3713:58
10:17
#21643
21M
21.00 mi14:18:133:23:289:4111:01
11:01
#21611
35K
21.75 mi14:25:483:31:039:427:35
10:08
#21614
23M
23.00 mi14:38:553:44:109:4513:07
10:29
#21593
24M
24.00 mi14:49:143:54:299:4610:19
10:19
#21590
40K
24.85 mi14:57:554:03:109:478:41
10:09
#21549
25.2M
25.20 mi15:01:534:07:089:483:58
11:30
#21548
Finish
26.22 mi15:12:094:17:249:4910:16
10:04
#21569
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20232122551225521805(Top 82%)13109(Top 86%)13109(Top 2388%)
10K6.21 mi3.10 mi21691-145912988-73312988-73322861(Top 86%)13576(Top 89%)13576(Top 2473%)
15K9.32 mi3.11 mi21723-3213016-2813016-2821805(Top 82%)13109(Top 86%)13109(Top 2388%)
20K12.43 mi3.11 mi21747-2413046-3013046-3021839(Top 82%)13113(Top 86%)13113(Top 2389%)
Half13.11 mi0.68 mi21741+613042+413042+421427(Top 80%)12931(Top 85%)12931(Top 2355%)
25K15.53 mi2.42 mi21781-4013063-2113063-2122098(Top 83%)13184(Top 87%)13184(Top 2401%)
30K18.64 mi3.11 mi21680+10113002+6113002+6121338(Top 80%)12777(Top 84%)12777(Top 2327%)
20M20.00 mi1.36 mi21643+3712976+2612976+2621205(Top 80%)12663(Top 83%)12663(Top 2307%)
21M21.00 mi1.00 mi21611+3212951+2512951+2520861(Top 78%)12456(Top 82%)12456(Top 2269%)
35K21.75 mi0.75 mi21614-312943+812943+821629(Top 81%)12765(Top 84%)12765(Top 2325%)
23M23.00 mi1.25 mi21593+2112915+2812915+2821254(Top 80%)12580(Top 83%)12580(Top 2291%)
24M24.00 mi1.00 mi21590+312902+1312902+1321600(Top 81%)12686(Top 84%)12686(Top 2311%)
40K24.85 mi0.85 mi21549+4112872+3012872+3020378(Top 77%)12091(Top 80%)12091(Top 2202%)
25.2M25.20 mi0.35 mi21548+112869+312869+321557(Top 81%)12648(Top 83%)12648(Top 2304%)
Finish26.22 mi1.02 mi21569-2112871-212871-221958(Top 82%)12841(Top 85%)12841(Top 2339%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21805

Males

13109

M65-69

13109

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22861

Males

13576

M65-69

13576

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21805

Males

13109

M65-69

13109

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21839

Males

13113

M65-69

13113

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21427

Males

12931

M65-69

12931

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22098

Males

13184

M65-69

13184

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21338

Males

12777

M65-69

12777

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21205

Males

12663

M65-69

12663

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20861

Males

12456

M65-69

12456

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21629

Males

12765

M65-69

12765

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21254

Males

12580

M65-69

12580

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21600

Males

12686

M65-69

12686

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20378

Males

12091

M65-69

12091

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21557

Males

12648

M65-69

12648

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21958

Males

12841

M65-69

12841

Passing Analysis

Category:
Athletes Passed
999
Passed By
2336
Net Change
-1337
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20232
5K → 10K171476-1459#20232#21691
10K → 15K149181-32#21691#21723
15K → 20K118142-24#21723#21747
20K → Half2418+6#21747#21741
Half → 25K86126-40#21741#21781
25K → 30K18887+101#21781#21680
30K → 20M7538+37#21680#21643
20M → 21M7139+32#21643#21611
21M → 35K3538-3#21611#21614
35K → 23M7857+21#21614#21593
23M → 24M4138+3#21593#21590
24M → 40K6221+41#21590#21549
40K → 25.2M2423+1#21549#21548
25.2M → Finish3152-21#21548#21569
TOTALS9992336-1337
📊

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