Boston Marathon logo
BOSTON MARATHON 2023

John Gallagher

Bib: 12519•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M60-64)
#0 / 1110
Top 6%
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
7:20/mi
22:48
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
45:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:07:17
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:30:15
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:35:10
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:53:34
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:17:57
↑ 181↓ 1480.2%
20M
7:54/mi
2:28:41
↑ 64↓ 500.2%
21M
8:31/mi
2:37:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:42:49
↑ 17↓ 861.7%
23M
7:53/mi
2:52:41
↑ 23↓ 630.6%
24M
7:43/mi
3:00:24
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:07:09
↓ 200.3%
25.2M
8:16/mi
3:10:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:35/mi
3:17:44
↑ 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
Time1:35:10
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:42:34
Pace7:49 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0822:487:2022:48
7:20
-
10K
6.21 mi11:12:2045:007:1522:12
7:09
-0:11
15K
9.32 mi11:34:371:07:177:1322:17
7:10
+0:01
20K
12.43 mi11:57:351:30:157:1622:58
7:24
+0:14
Half
13.11 mi12:02:301:35:107:164:55
7:12
-0:12
25K
15.53 mi12:20:541:53:347:1918:24
7:35
+0:23
30K
18.64 mi12:45:172:17:577:2424:23
7:51
+0:16
20M
20.00 mi12:56:012:28:417:2610:44
7:54
+0:03
21M
21.00 mi13:04:322:37:127:298:31
8:31
+0:37
35K
21.75 mi13:10:092:42:497:295:37
7:30
-1:01
23M
23.00 mi13:20:012:52:417:309:52
7:53
+0:23
24M
24.00 mi13:27:443:00:247:317:43
7:43
-0:10
40K
24.85 mi13:34:293:07:097:326:45
7:54
+0:11
25.2M
25.20 mi13:37:203:10:007:322:51
8:16
+0:22
Finish
26.22 mi13:45:043:17:447:337:44
7:35
-0:41

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

7:09 /mi

Average Pace

7:33 /mi

Slowest Pace

8:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:01

80% of race

Time at Steady Pace

30:12

15% of race

Time at Slower Pace

8:31

4% of race

Average Pace: 7:32 /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 mi10:50:0822:487:2022:48
7:20
#8367
10K
6.21 mi11:12:2045:007:1522:12
7:09
#8045
15K
9.32 mi11:34:371:07:177:1322:17
7:10
#7891
20K
12.43 mi11:57:351:30:157:1622:58
7:24
#7985
Half
13.11 mi12:02:301:35:107:164:55
7:12
#7976
25K
15.53 mi12:20:541:53:347:1918:24
7:35
#8151
30K
18.64 mi12:45:172:17:577:2424:23
7:51
#8359
20M
20.00 mi12:56:012:28:417:2610:44
7:54
#8428
21M
21.00 mi13:04:322:37:127:298:31
8:31
#8542
35K
21.75 mi13:10:092:42:497:295:37
7:30
#8530
23M
23.00 mi13:20:012:52:417:309:52
7:53
#8531
24M
24.00 mi13:27:443:00:247:317:43
7:43
#8528
40K
24.85 mi13:34:293:07:097:326:45
7:54
#8552
25.2M
25.20 mi13:37:203:10:007:322:51
8:16
#8527
Finish
26.22 mi13:45:043:17:447:337:44
7:35
#8530
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi8367721172117608(Top 29%)6669(Top 44%)6669(Top 601%)
10K6.21 mi3.10 mi8045+3226989+2226989+2227728(Top 29%)6753(Top 44%)6753(Top 608%)
15K9.32 mi3.11 mi7891+1546886+1036886+1037608(Top 29%)6669(Top 44%)6669(Top 601%)
20K12.43 mi3.11 mi7985-946926-406926-408440(Top 32%)7158(Top 47%)7158(Top 645%)
Half13.11 mi0.68 mi7976+96914+126914+127892(Top 30%)6840(Top 45%)6840(Top 616%)
25K15.53 mi2.42 mi8151-1757008-947008-949440(Top 35%)7672(Top 51%)7672(Top 691%)
30K18.64 mi3.11 mi8359-2087100-927100-929712(Top 36%)7673(Top 51%)7673(Top 691%)
20M20.00 mi1.36 mi8428-697125-257125-259523(Top 36%)7476(Top 49%)7476(Top 674%)
21M21.00 mi1.00 mi8542-1147179-547179-5410544(Top 40%)7877(Top 52%)7877(Top 710%)
35K21.75 mi0.75 mi8530+127159+207159+208566(Top 32%)6840(Top 45%)6840(Top 616%)
23M23.00 mi1.25 mi8531-17136+237136+238928(Top 34%)6928(Top 46%)6928(Top 624%)
24M24.00 mi1.00 mi8528+37118+187118+189167(Top 34%)6970(Top 46%)6970(Top 628%)
40K24.85 mi0.85 mi8552-247109+97109+99271(Top 35%)6957(Top 46%)6957(Top 627%)
25.2M25.20 mi0.35 mi8527+257091+187091+188027(Top 30%)6187(Top 41%)6187(Top 557%)
Finish26.22 mi1.02 mi8530-37069+227069+229172(Top 34%)6842(Top 45%)6842(Top 616%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

7608

Males

6669

M60-64

6669

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7728

Males

6753

M60-64

6753

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

7608

Males

6669

M60-64

6669

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8440

Males

7158

M60-64

7158

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7892

Males

6840

M60-64

6840

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9440

Males

7672

M60-64

7672

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9712

Males

7673

M60-64

7673

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9523

Males

7476

M60-64

7476

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10544

Males

7877

M60-64

7877

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8566

Males

6840

M60-64

6840

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8928

Males

6928

M60-64

6928

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9167

Males

6970

M60-64

6970

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9271

Males

6957

M60-64

6957

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8027

Males

6187

M60-64

6187

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9172

Males

6842

M60-64

6842

Passing Analysis

Category:
Athletes Passed
1359
Passed By
1522
Net Change
-163
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8367
5K → 10K431109+322#8367#8045
10K → 15K22470+154#8045#7891
15K → 20K96190-94#7891#7985
20K → Half2314+9#7985#7976
Half → 25K55230-175#7976#8151
25K → 30K89297-208#8151#8359
30K → 20M58127-69#8359#8428
20M → 21M43157-114#8428#8542
21M → 35K4230+12#8542#8530
35K → 23M8283-1#8530#8531
23M → 24M6562+3#8531#8528
24M → 40K5478-24#8528#8552
40K → 25.2M4015+25#8552#8527
25.2M → Finish5760-3#8527#8530
TOTALS13591522-163
📊

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