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BOSTON MARATHON 2023

Brian Macmahon

Bib: 20384•M

ID

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 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:25
Rank: #15304
Start → 5K
25:25 | 8:11/mi
10K· 6.21 mi
50:49
Rank: #15658 (-354)
5K → 10K
25:25 | 8:11/mi
15K· 9.32 mi
1:16:15
Rank: #15668 (-10)
10K → 15K
25:26 | 8:11/mi
20K· 12.43 mi
1:41:54
Rank: #15560 (+108)
15K → 20K
25:39 | 8:15/mi
Half· 13.11 mi
1:47:22
Rank: #15515 (+45)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:07:13
Rank: #15277 (+238)
Half → 25K
19:51 | 8:11/mi
30K· 18.64 mi
2:33:24
Rank: #14988 (+289)
25K → 30K
26:11 | 8:26/mi
20M
2:44:56
Rank: #14886 (+102)
30K → 20M
11:32 | 8:29/mi
21M
2:53:46
Rank: #14725 (+161)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:59:46
Rank: #14613 (+112)
21M → 35K
6:00 | 8:01/mi
23M
3:10:18
Rank: #14492 (+121)
35K → 23M
10:32 | 8:25/mi
24M
3:18:23
Rank: #14363 (+129)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:25:31
Rank: #14262 (+101)
24M → 40K
7:08 | 8:21/mi
25.2M
3:28:37
Rank: #14226 (+36)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:36:41
Rank: #14101 (+125)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:49:19
Pace8:20 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4225:258:1125:25
8:11
-
10K
6.21 mi11:43:0650:498:1125:25
8:11
0:00
15K
9.32 mi12:08:321:16:158:1125:26
8:11
0:00
20K
12.43 mi12:34:111:41:548:1225:39
8:15
+0:04
Half
13.11 mi12:39:391:47:228:115:28
8:01
-0:14
25K
15.53 mi12:59:302:07:138:1119:51
8:11
+0:10
30K
18.64 mi13:25:412:33:248:1426:11
8:26
+0:15
20M
20.00 mi13:37:132:44:568:1511:32
8:29
+0:03
21M
21.00 mi13:46:032:53:468:168:50
8:50
+0:21
35K
21.75 mi13:52:032:59:468:166:00
8:01
-0:49
23M
23.00 mi14:02:353:10:188:1610:32
8:25
+0:24
24M
24.00 mi14:10:403:18:238:168:05
8:05
-0:20
40K
24.85 mi14:17:483:25:318:167:08
8:21
+0:16
25.2M
25.20 mi14:20:543:28:378:173:06
8:59
+0:38
Finish
26.22 mi14:28:583:36:418:168:04
7:55
-1:04

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

7:55 /mi

Average Pace

8:16 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:45

94% of race

Time at Steady Pace

11:56

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:16 /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 mi11:17:4225:258:1125:25
8:11
#15304
10K
6.21 mi11:43:0650:498:1125:25
8:11
#15658
15K
9.32 mi12:08:321:16:158:1125:26
8:11
#15668
20K
12.43 mi12:34:111:41:548:1225:39
8:15
#15560
Half
13.11 mi12:39:391:47:228:115:28
8:01
#15515
25K
15.53 mi12:59:302:07:138:1119:51
8:11
#15277
30K
18.64 mi13:25:412:33:248:1426:11
8:26
#14988
20M
20.00 mi13:37:132:44:568:1511:32
8:29
#14886
21M
21.00 mi13:46:032:53:468:168:50
8:50
#14725
35K
21.75 mi13:52:032:59:468:166:00
8:01
#14613
23M
23.00 mi14:02:353:10:188:1610:32
8:25
#14492
24M
24.00 mi14:10:403:18:238:168:05
8:05
#14363
40K
24.85 mi14:17:483:25:318:167:08
8:21
#14262
25.2M
25.20 mi14:20:543:28:378:173:06
8:59
#14226
Finish
26.22 mi14:28:583:36:418:168:04
7:55
#14101
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 mi15304104451044515741(Top 59%)10585(Top 70%)10585(Top 954%)
10K6.21 mi3.10 mi15658-35410571-12610571-12616099(Top 60%)10739(Top 71%)10739(Top 967%)
15K9.32 mi3.11 mi15668-1010568+310568+315741(Top 59%)10585(Top 70%)10585(Top 954%)
20K12.43 mi3.11 mi15560+10810510+5810510+5815302(Top 57%)10383(Top 68%)10383(Top 935%)
Half13.11 mi0.68 mi15515+4510491+1910491+1914428(Top 54%)10067(Top 66%)10067(Top 907%)
25K15.53 mi2.42 mi15277+23810372+11910372+11914132(Top 53%)9813(Top 65%)9813(Top 884%)
30K18.64 mi3.11 mi14988+28910229+14310229+14313853(Top 52%)9595(Top 63%)9595(Top 864%)
20M20.00 mi1.36 mi14886+10210171+5810171+5813538(Top 51%)9380(Top 62%)9380(Top 845%)
21M21.00 mi1.00 mi14725+16110077+9410077+9412441(Top 47%)8778(Top 58%)8778(Top 791%)
35K21.75 mi0.75 mi14613+11210023+5410023+5412260(Top 46%)8678(Top 57%)8678(Top 782%)
23M23.00 mi1.25 mi14492+1219954+699954+6912652(Top 48%)8761(Top 58%)8761(Top 789%)
24M24.00 mi1.00 mi14363+1299877+779877+7711813(Top 44%)8313(Top 55%)8313(Top 749%)
40K24.85 mi0.85 mi14262+1019813+649813+6412320(Top 46%)8476(Top 56%)8476(Top 764%)
25.2M25.20 mi0.35 mi14226+369784+299784+2912425(Top 47%)8488(Top 56%)8488(Top 765%)
Finish26.22 mi1.02 mi14101+1259723+619723+6111502(Top 43%)8050(Top 53%)8050(Top 725%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

15741

Males

10585

M60-64

10585

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16099

Males

10739

M60-64

10739

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

15741

Males

10585

M60-64

10585

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15302

Males

10383

M60-64

10383

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14428

Males

10067

M60-64

10067

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14132

Males

9813

M60-64

9813

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13853

Males

9595

M60-64

9595

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13538

Males

9380

M60-64

9380

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12441

Males

8778

M60-64

8778

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12260

Males

8678

M60-64

8678

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12652

Males

8761

M60-64

8761

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11813

Males

8313

M60-64

8313

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12320

Males

8476

M60-64

8476

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12425

Males

8488

M60-64

8488

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11502

Males

8050

M60-64

8050

Passing Analysis

Category:
Athletes Passed
2256
Passed By
1053
Net Change
+1203
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15304
5K → 10K167521-354#15304#15658
10K → 15K179189-10#15658#15668
15K → 20K224116+108#15668#15560
20K → Half549+45#15560#15515
Half → 25K27335+238#15515#15277
25K → 30K33950+289#15277#14988
30K → 20M13230+102#14988#14886
20M → 21M17716+161#14886#14725
21M → 35K1208+112#14725#14613
35K → 23M14322+121#14613#14492
23M → 24M14516+129#14492#14363
24M → 40K11615+101#14363#14262
40K → 25.2M4711+36#14262#14226
25.2M → Finish14015+125#14226#14101
TOTALS22561053+1203
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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