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BOSTON MARATHON 2023

John Gallagher

Bib: 16676•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 38%
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
8:31/mi
26:27
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
52:23
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:18:57
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:44:50
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:50:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:53/mi
2:11:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:39:06
↑ 181↓ 1480.2%
20M
8:36/mi
2:50:47
↑ 64↓ 500.2%
21M
8:58/mi
2:59:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:58/mi
3:06:27
↑ 17↓ 861.7%
23M
8:23/mi
3:16:57
↑ 23↓ 630.6%
24M
8:14/mi
3:25:11
↓ 821.3%
40K· 24.85 mi
8:17/mi
3:32:16
↓ 200.3%
25.2M
9:17/mi
3:35:28
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
3:43:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:23
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:53:26
Pace8:39 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2826:278:3126:27
8:31
-
10K
6.21 mi11:44:2452:238:2625:56
8:21
-0:10
15K
9.32 mi12:10:581:18:578:2826:34
8:33
+0:12
20K
12.43 mi12:36:511:44:508:2625:53
8:20
-0:13
Half
13.11 mi12:42:241:50:238:255:33
8:08
-0:12
25K
15.53 mi13:03:572:11:568:3021:33
8:53
+0:45
30K
18.64 mi13:31:072:39:068:3227:10
8:45
-0:08
20M
20.00 mi13:42:482:50:478:3211:41
8:36
-0:09
21M
21.00 mi13:51:462:59:458:348:58
8:58
+0:22
35K
21.75 mi13:58:283:06:278:346:42
8:58
0:00
23M
23.00 mi14:08:583:16:578:3410:30
8:23
-0:35
24M
24.00 mi14:17:123:25:118:338:14
8:14
-0:09
40K
24.85 mi14:24:173:32:168:327:05
8:17
+0:03
25.2M
25.20 mi14:27:293:35:288:333:12
9:17
+1:00
Finish
26.22 mi14:35:503:43:498:338:21
8:12
-1:05

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

8:08 /mi

Average Pace

8:33 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:57

92% of race

Time at Steady Pace

18:52

8% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:32 /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 mi11:18:2826:278:3126:27
8:31
#17630
10K
6.21 mi11:44:2452:238:2625:56
8:21
#17412
15K
9.32 mi12:10:581:18:578:2826:34
8:33
#17655
20K
12.43 mi12:36:511:44:508:2625:53
8:20
#17168
Half
13.11 mi12:42:241:50:238:255:33
8:08
#17077
25K
15.53 mi13:03:572:11:568:3021:33
8:53
#17280
30K
18.64 mi13:31:072:39:068:3227:10
8:45
#16973
20M
20.00 mi13:42:482:50:478:3211:41
8:36
#16768
21M
21.00 mi13:51:462:59:458:348:58
8:58
#16546
35K
21.75 mi13:58:283:06:278:346:42
8:58
#16599
23M
23.00 mi14:08:583:16:578:3410:30
8:23
#16349
24M
24.00 mi14:17:123:25:118:338:14
8:14
#16171
40K
24.85 mi14:24:173:32:168:327:05
8:17
#16021
25.2M
25.20 mi14:27:293:35:288:333:12
9:17
#15980
Finish
26.22 mi14:35:503:43:498:338:21
8:12
#15883
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17630112761127618141(Top 68%)11532(Top 76%)11532(Top 1039%)
10K6.21 mi3.10 mi17412+21811221+5511221+5517214(Top 65%)11184(Top 74%)11184(Top 1008%)
15K9.32 mi3.11 mi17655-24311325-10411325-10418141(Top 68%)11532(Top 76%)11532(Top 1039%)
20K12.43 mi3.11 mi17168+48711121+20411121+20415795(Top 59%)10555(Top 70%)10555(Top 951%)
Half13.11 mi0.68 mi17077+9111079+4211079+4215315(Top 58%)10427(Top 69%)10427(Top 939%)
25K15.53 mi2.42 mi17280-20311154-7511154-7518382(Top 69%)11585(Top 76%)11585(Top 1044%)
30K18.64 mi3.11 mi16973+30711005+14911005+14915742(Top 59%)10374(Top 68%)10374(Top 935%)
20M20.00 mi1.36 mi16768+20510901+10410901+10414234(Top 53%)9664(Top 64%)9664(Top 871%)
21M21.00 mi1.00 mi16546+22210791+11010791+11013172(Top 49%)9106(Top 60%)9106(Top 820%)
35K21.75 mi0.75 mi16599-5310805-1410805-1417776(Top 67%)11032(Top 73%)11032(Top 994%)
23M23.00 mi1.25 mi16349+25010682+12310682+12312489(Top 47%)8690(Top 57%)8690(Top 783%)
24M24.00 mi1.00 mi16171+17810593+8910593+8912818(Top 48%)8776(Top 58%)8776(Top 791%)
40K24.85 mi0.85 mi16021+15010513+8010513+8011913(Top 45%)8292(Top 55%)8292(Top 747%)
25.2M25.20 mi0.35 mi15980+4110486+2710486+2714049(Top 53%)9267(Top 61%)9267(Top 835%)
Finish26.22 mi1.02 mi15883+9710443+4310443+4313381(Top 50%)8966(Top 59%)8966(Top 808%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18141

Males

11532

M60-64

11532

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17214

Males

11184

M60-64

11184

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18141

Males

11532

M60-64

11532

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15795

Males

10555

M60-64

10555

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15315

Males

10427

M60-64

10427

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18382

Males

11585

M60-64

11585

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15742

Males

10374

M60-64

10374

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14234

Males

9664

M60-64

9664

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13172

Males

9106

M60-64

9106

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17776

Males

11032

M60-64

11032

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12489

Males

8690

M60-64

8690

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12818

Males

8776

M60-64

8776

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11913

Males

8292

M60-64

8292

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14049

Males

9267

M60-64

9267

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13381

Males

8966

M60-64

8966

Passing Analysis

Category:
Athletes Passed
2804
Passed By
1057
Net Change
+1747
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17630
5K → 10K444226+218#17630#17412
10K → 15K112355-243#17412#17655
15K → 20K50619+487#17655#17168
20K → Half932+91#17168#17077
Half → 25K70273-203#17077#17280
25K → 30K35144+307#17280#16973
30K → 20M2094+205#16973#16768
20M → 21M2308+222#16768#16546
21M → 35K3285-53#16546#16599
35K → 23M2522+250#16599#16349
23M → 24M1868+178#16349#16171
24M → 40K1533+150#16171#16021
40K → 25.2M5211+41#16021#15980
25.2M → Finish11417+97#15980#15883
TOTALS28041057+1747
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing