Boston Marathon logo
BOSTON MARATHON 2023

Bob Kennedy

Bib: 24001•M

NH

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M75-79)
#0 / 49
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
12:52/mi
39:58
↑ 97↓ 3451.5%
10K· 6.21 mi
13:49/mi
1:22:53
↑ 79↓ 1380.4%
15K· 9.32 mi
14:00/mi
2:06:22
↑ 67↓ 78
20K· 12.43 mi
15:04/mi
2:53:10
↑ 106↓ 860.1%
Half· 13.11 mi
13:53/mi
3:02:38
↑ 19↓ 370.5%
25K· 15.53 mi
14:38/mi
3:38:08
↑ 66↓ 880.2%
30K· 18.64 mi
14:10/mi
4:22:08
↑ 181↓ 1480.2%
20M
14:43/mi
4:42:08
↑ 64↓ 500.2%
21M
14:19/mi
4:56:27
↑ 106↓ 241.6%
35K· 21.75 mi
13:38/mi
5:06:39
↑ 17↓ 861.7%
23M
14:01/mi
5:24:12
↑ 23↓ 630.6%
24M
13:31/mi
5:37:43
↓ 821.3%
40K· 24.85 mi
13:53/mi
5:49:35
↓ 200.3%
25.2M
15:28/mi
5:54:55
↑ 13↓ 160.2%
Finish· 26.22 mi
13:11/mi
6:08:21
↑ 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
Time3:02:38
Pace13:56 /mi
2nd Half
Distance13.11 mi
Time3:05:43
Pace14:10 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:3439:5812:5239:58
12:52
-
10K
6.21 mi12:40:291:22:5313:2042:55
13:49
+0:57
15K
9.32 mi13:23:582:06:2213:3343:29
14:00
+0:11
20K
12.43 mi14:10:462:53:1013:5646:48
15:04
+1:04
Half
13.11 mi14:20:143:02:3813:569:28
13:53
-1:11
25K
15.53 mi14:55:443:38:0814:0335:30
14:38
+0:45
30K
18.64 mi15:39:444:22:0814:0444:00
14:10
-0:28
20M
20.00 mi15:59:444:42:0814:0620:00
14:43
+0:33
21M
21.00 mi16:14:034:56:2714:0714:19
14:19
-0:24
35K
21.75 mi16:24:155:06:3914:0610:12
13:38
-0:41
23M
23.00 mi16:41:485:24:1214:0617:33
14:01
+0:23
24M
24.00 mi16:55:195:37:4314:0413:31
13:31
-0:30
40K
24.85 mi17:07:115:49:3514:0411:52
13:53
+0:22
25.2M
25.20 mi17:12:315:54:5514:055:20
15:28
+1:35
Finish
26.22 mi17:25:576:08:2114:0413:26
13:11
-2:17

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

12:52 /mi

Average Pace

14:04 /mi

Slowest Pace

15:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:07

21% of race

Time at Steady Pace

3:03:36

50% of race

Time at Slower Pace

1:47:38

29% of race

Average Pace: 14:03 /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 mi11:57:3439:5812:5239:58
12:52
#26573
10K
6.21 mi12:40:291:22:5313:2042:55
13:49
#26605
15K
9.32 mi13:23:582:06:2213:3343:29
14:00
#26607
20K
12.43 mi14:10:462:53:1013:5646:48
15:04
#26610
Half
13.11 mi14:20:143:02:3813:569:28
13:53
#26608
25K
15.53 mi14:55:443:38:0814:0335:30
14:38
#26611
30K
18.64 mi15:39:444:22:0814:0444:00
14:10
#26603
20M
20.00 mi15:59:444:42:0814:0620:00
14:43
#26603
21M
21.00 mi16:14:034:56:2714:0714:19
14:19
#26598
35K
21.75 mi16:24:155:06:3914:0610:12
13:38
#26599
23M
23.00 mi16:41:485:24:1214:0617:33
14:01
#26597
24M
24.00 mi16:55:195:37:4314:0413:31
13:31
#26595
40K
24.85 mi17:07:115:49:3514:0411:52
13:53
#26594
25.2M
25.20 mi17:12:315:54:5514:055:20
15:28
#26593
Finish
26.22 mi17:25:576:08:2114:0413:26
13:11
#26587
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM75-79Seg. OverallSeg. MalesSeg. M75-79
5K3.11 mi3.11 mi26573151501515026599(Top 100%)15161(Top 100%)15161(Top 30941%)
10K6.21 mi3.10 mi26605-3215167-1715167-1726610(Top 100%)15168(Top 100%)15168(Top 30955%)
15K9.32 mi3.11 mi26607-215166+115166+126599(Top 100%)15161(Top 100%)15161(Top 30941%)
20K12.43 mi3.11 mi26610-3151661516626601(Top 100%)15164(Top 100%)15164(Top 30947%)
Half13.11 mi0.68 mi26608+215165+115165+126521(Top 100%)15125(Top 100%)15125(Top 30867%)
25K15.53 mi2.42 mi26611-315167-215167-226498(Top 100%)15121(Top 100%)15121(Top 30859%)
30K18.64 mi3.11 mi26603+815163+415163+426103(Top 98%)14931(Top 98%)14931(Top 30471%)
20M20.00 mi1.36 mi2660315162+115162+126193(Top 98%)14946(Top 98%)14946(Top 30502%)
21M21.00 mi1.00 mi26598+515160+215160+225306(Top 95%)14523(Top 96%)14523(Top 29639%)
35K21.75 mi0.75 mi26599-115161-115161-125973(Top 98%)14830(Top 98%)14830(Top 30265%)
23M23.00 mi1.25 mi26597+215159+215159+225837(Top 97%)14755(Top 97%)14755(Top 30112%)
24M24.00 mi1.00 mi26595+215157+215157+225807(Top 97%)14709(Top 97%)14709(Top 30018%)
40K24.85 mi0.85 mi26594+1151571515725620(Top 96%)14613(Top 96%)14613(Top 29822%)
25.2M25.20 mi0.35 mi26593+1151571515725924(Top 97%)14768(Top 97%)14768(Top 30139%)
Finish26.22 mi1.02 mi26587+615154+315154+326064(Top 98%)14842(Top 98%)14842(Top 30290%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21story building
+97ft-345ft

Overall

26599

Males

15161

M75-79

15161

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

26610

Males

15168

M75-79

15168

10K→15K

6.2 - 9.3 mi

Top 100%
×3story building
+67ft-78ft

Overall

26599

Males

15161

M75-79

15161

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

26601

Males

15164

M75-79

15164

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

26521

Males

15125

M75-79

15125

Half→25K

13.1 - 15.5 mi

Top 100%
×4story building
+66ft-88ft

Overall

26498

Males

15121

M75-79

15121

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

26103

Males

14931

M75-79

14931

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

26193

Males

14946

M75-79

14946

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

25306

Males

14523

M75-79

14523

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

25973

Males

14830

M75-79

14830

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25837

Males

14755

M75-79

14755

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

25807

Males

14709

M75-79

14709

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25620

Males

14613

M75-79

14613

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25924

Males

14768

M75-79

14768

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

26064

Males

14842

M75-79

14842

Passing Analysis

Category:
Athletes Passed
35
Passed By
49
Net Change
-14
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26573
5K → 10K032-32#26573#26605
10K → 15K24-2#26605#26607
15K → 20K14-3#26607#26610
20K → Half20+2#26610#26608
Half → 25K03-3#26608#26611
25K → 30K80+8#26611#26603
30K → 20M440#26603#26603
20M → 21M50+5#26603#26598
21M → 35K01-1#26598#26599
35K → 23M31+2#26599#26597
23M → 24M20+2#26597#26595
24M → 40K10+1#26595#26594
40K → 25.2M10+1#26594#26593
25.2M → Finish60+6#26593#26587
TOTALS3549-14
📊

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