Boston Marathon logo
BOSTON MARATHON 2023

George Doherty

Bib: 15219•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 39%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 43%
Division (M55-59)
#0 / 1422
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:28
Rank: #10094
Start → 5K
23:28 | 7:33/mi
10K· 6.21 mi
47:12
Rank: #10881 (-787)
5K → 10K
23:44 | 7:38/mi
15K· 9.32 mi
1:11:13
Rank: #11290 (-409)
10K → 15K
24:01 | 7:44/mi
20K· 12.43 mi
1:35:59
Rank: #11717 (-427)
15K → 20K
24:46 | 7:58/mi
Half· 13.11 mi
1:41:13
Rank: #11721 (-4)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:00:08
Rank: #11547 (+174)
Half → 25K
18:55 | 7:48/mi
30K· 18.64 mi
2:24:49
Rank: #11320 (+227)
25K → 30K
24:41 | 7:57/mi
20M
2:35:25
Rank: #11103 (+217)
30K → 20M
10:36 | 7:48/mi
21M
2:43:31
Rank: #10894 (+209)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:49:18
Rank: #10848 (+46)
21M → 35K
5:47 | 7:44/mi
23M
2:59:12
Rank: #10734 (+114)
35K → 23M
9:54 | 7:54/mi
24M
3:06:58
Rank: #10669 (+65)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:13:42
Rank: #10571 (+98)
24M → 40K
6:44 | 7:53/mi
25.2M
3:16:35
Rank: #10528 (+43)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:24:17
Rank: #10436 (+92)
25.2M → Finish
7:42 | 7:33/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
Time1:41:13
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:43:04
Pace7:52 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5423:287:3323:28
7:33
-
10K
6.21 mi11:17:3847:127:3623:44
7:38
+0:05
15K
9.32 mi11:41:391:11:137:3824:01
7:44
+0:06
20K
12.43 mi12:06:251:35:597:4324:46
7:58
+0:14
Half
13.11 mi12:11:391:41:137:435:14
7:40
-0:18
25K
15.53 mi12:30:342:00:087:4418:55
7:48
+0:08
30K
18.64 mi12:55:152:24:497:4624:41
7:57
+0:09
20M
20.00 mi13:05:512:35:257:4610:36
7:48
-0:09
21M
21.00 mi13:13:572:43:317:478:06
8:06
+0:18
35K
21.75 mi13:19:442:49:187:475:47
7:44
-0:22
23M
23.00 mi13:29:382:59:127:479:54
7:54
+0:10
24M
24.00 mi13:37:243:06:587:477:46
7:46
-0:08
40K
24.85 mi13:44:083:13:427:486:44
7:53
+0:07
25.2M
25.20 mi13:47:013:16:357:482:53
8:22
+0:29
Finish
26.22 mi13:54:433:24:177:487:42
7:33
-0:49

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

7:33 /mi

Average Pace

7:48 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:24

99% of race

Time at Steady Pace

2:53

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi10:53:5423:287:3323:28
7:33
#10094
10K
6.21 mi11:17:3847:127:3623:44
7:38
#10881
15K
9.32 mi11:41:391:11:137:3824:01
7:44
#11290
20K
12.43 mi12:06:251:35:597:4324:46
7:58
#11717
Half
13.11 mi12:11:391:41:137:435:14
7:40
#11721
25K
15.53 mi12:30:342:00:087:4418:55
7:48
#11547
30K
18.64 mi12:55:152:24:497:4624:41
7:57
#11320
20M
20.00 mi13:05:512:35:257:4610:36
7:48
#11103
21M
21.00 mi13:13:572:43:317:478:06
8:06
#10894
35K
21.75 mi13:19:442:49:187:475:47
7:44
#10848
23M
23.00 mi13:29:382:59:127:479:54
7:54
#10734
24M
24.00 mi13:37:243:06:587:477:46
7:46
#10669
40K
24.85 mi13:44:083:13:427:486:44
7:53
#10571
25.2M
25.20 mi13:47:013:16:357:482:53
8:22
#10528
Finish
26.22 mi13:54:433:24:177:487:42
7:33
#10436
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi100948176817612083(Top 45%)9119(Top 60%)9119(Top 641%)
10K6.21 mi3.10 mi10881-7878603-4278603-42711667(Top 44%)8965(Top 59%)8965(Top 630%)
15K9.32 mi3.11 mi11290-4098788-1858788-18512083(Top 45%)9119(Top 60%)9119(Top 641%)
20K12.43 mi3.11 mi11717-4278948-1608948-16013184(Top 50%)9519(Top 63%)9519(Top 669%)
Half13.11 mi0.68 mi11721-48954-68954-611544(Top 43%)8857(Top 58%)8857(Top 623%)
25K15.53 mi2.42 mi11547+1748867+878867+8711091(Top 42%)8546(Top 56%)8546(Top 601%)
30K18.64 mi3.11 mi11320+2278703+1648703+16410463(Top 39%)8077(Top 53%)8077(Top 568%)
20M20.00 mi1.36 mi11103+2178599+1048599+1048856(Top 33%)7115(Top 47%)7115(Top 500%)
21M21.00 mi1.00 mi10894+2098470+1298470+1298009(Top 30%)6486(Top 43%)6486(Top 456%)
35K21.75 mi0.75 mi10848+468434+368434+3610129(Top 38%)7689(Top 51%)7689(Top 541%)
23M23.00 mi1.25 mi10734+1148342+928342+929120(Top 34%)7019(Top 46%)7019(Top 494%)
24M24.00 mi1.00 mi10669+658293+498293+499521(Top 36%)7169(Top 47%)7169(Top 504%)
40K24.85 mi0.85 mi10571+988205+888205+889152(Top 34%)6898(Top 45%)6898(Top 485%)
25.2M25.20 mi0.35 mi10528+438180+258180+258656(Top 33%)6557(Top 43%)6557(Top 461%)
Finish26.22 mi1.02 mi10436+928110+708110+708946(Top 34%)6724(Top 44%)6724(Top 473%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12083

Males

9119

M55-59

9119

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11667

Males

8965

M55-59

8965

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12083

Males

9119

M55-59

9119

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13184

Males

9519

M55-59

9519

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11544

Males

8857

M55-59

8857

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11091

Males

8546

M55-59

8546

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10463

Males

8077

M55-59

8077

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8856

Males

7115

M55-59

7115

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8009

Males

6486

M55-59

6486

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10129

Males

7689

M55-59

7689

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9120

Males

7019

M55-59

7019

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9521

Males

7169

M55-59

7169

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9152

Males

6898

M55-59

6898

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8656

Males

6557

M55-59

6557

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

8946

Males

6724

M55-59

6724

Passing Analysis

Category:
Athletes Passed
1808*
Passed By
2150
Net Change
-342
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10094
5K → 10K68855-787#10094#10881
10K → 15K70479-409#10881#11290
15K → 20K61488-427#11290#11717
20K → Half2630-4#11717#11721
Half → 25K22349+174#11721#11547
25K → 30K30376+227#11547#11320
30K → 20M229*12+217#11320#11103
20M → 21M22011+209#11103#10894
21M → 35K7024+46#10894#10848
35K → 23M14834+114#10848#10734
23M → 24M9732+65#10734#10669
24M → 40K11618+98#10669#10571
40K → 25.2M5411+43#10571#10528
25.2M → Finish12331+92#10528#10436
TOTALS1808*2150-342

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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