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BOSTON MARATHON 2023

Glen Marumoto

Bib: 21278•M

HI

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
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
8:27/mi
26:15
↑ 97↓ 3451.5%
10K· 6.21 mi
8:35/mi
52:54
↑ 79↓ 1380.4%
15K· 9.32 mi
8:29/mi
1:19:14
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:46:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:51:52
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:12:56
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:41:04
↑ 181↓ 1480.2%
20M
9:02/mi
2:53:20
↑ 64↓ 500.2%
21M
9:41/mi
3:03:01
↑ 106↓ 241.6%
35K· 21.75 mi
9:12/mi
3:09:54
↑ 17↓ 861.7%
23M
9:43/mi
3:22:04
↑ 23↓ 630.6%
24M
10:15/mi
3:32:19
↓ 821.3%
40K· 24.85 mi
9:58/mi
3:40:50
↓ 200.3%
25.2M
10:12/mi
3:44:21
↑ 13↓ 160.2%
Finish· 26.22 mi
9:51/mi
3:54:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:52
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:02:31
Pace9:21 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5426:158:2726:15
8:27
-
10K
6.21 mi11:45:3352:548:3126:39
8:35
+0:08
15K
9.32 mi12:11:531:19:148:3026:20
8:29
-0:06
20K
12.43 mi12:38:461:46:078:3226:53
8:39
+0:10
Half
13.11 mi12:44:311:51:528:325:45
8:26
-0:13
25K
15.53 mi13:05:352:12:568:3321:04
8:41
+0:15
30K
18.64 mi13:33:432:41:048:3828:08
9:03
+0:22
20M
20.00 mi13:45:592:53:208:4012:16
9:02
-0:01
21M
21.00 mi13:55:403:03:018:439:41
9:41
+0:39
35K
21.75 mi14:02:333:09:548:446:53
9:12
-0:29
23M
23.00 mi14:14:433:22:048:4712:10
9:43
+0:31
24M
24.00 mi14:24:583:32:198:5110:15
10:15
+0:32
40K
24.85 mi14:33:293:40:508:538:31
9:58
-0:17
25.2M
25.20 mi14:37:003:44:218:543:31
10:12
+0:14
Finish
26.22 mi14:47:023:54:238:5710:02
9:51
-0:21

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

8:26 /mi

Average Pace

8:57 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:56

57% of race

Time at Steady Pace

47:17

20% of race

Time at Slower Pace

54:10

23% of race

Average Pace: 8:56 /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 mi11:18:5426:158:2726:15
8:27
#17204
10K
6.21 mi11:45:3352:548:3126:39
8:35
#17981
15K
9.32 mi12:11:531:19:148:3026:20
8:29
#17857
20K
12.43 mi12:38:461:46:078:3226:53
8:39
#17819
Half
13.11 mi12:44:311:51:528:325:45
8:26
#17769
25K
15.53 mi13:05:352:12:568:3321:04
8:41
#17668
30K
18.64 mi13:33:432:41:048:3828:08
9:03
#17609
20M
20.00 mi13:45:592:53:208:4012:16
9:02
#17525
21M
21.00 mi13:55:403:03:018:439:41
9:41
#17475
35K
21.75 mi14:02:333:09:548:446:53
9:12
#17536
23M
23.00 mi14:14:433:22:048:4712:10
9:43
#17674
24M
24.00 mi14:24:583:32:198:5110:15
10:15
#17960
40K
24.85 mi14:33:293:40:508:538:31
9:58
#18075
25.2M
25.20 mi14:37:003:44:218:543:31
10:12
#18079
Finish
26.22 mi14:47:023:54:238:5710:02
9:51
#18243
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17204111181111817633(Top 66%)11322(Top 75%)11322(Top 1020%)
10K6.21 mi3.10 mi17981-77711437-31911437-31918703(Top 70%)11779(Top 78%)11779(Top 1061%)
15K9.32 mi3.11 mi17857+12411398+3911398+3917633(Top 66%)11322(Top 75%)11322(Top 1020%)
20K12.43 mi3.11 mi17819+3811382+1611382+1617817(Top 67%)11391(Top 75%)11391(Top 1026%)
Half13.11 mi0.68 mi17769+5011362+2011362+2017275(Top 65%)11206(Top 74%)11206(Top 1010%)
25K15.53 mi2.42 mi17668+10111314+4811314+4817311(Top 65%)11115(Top 73%)11115(Top 1001%)
30K18.64 mi3.11 mi17609+5911262+5211262+5217461(Top 66%)11112(Top 73%)11112(Top 1001%)
20M20.00 mi1.36 mi17525+8411210+5211210+5216678(Top 63%)10703(Top 71%)10703(Top 964%)
21M21.00 mi1.00 mi17475+5011178+3211178+3216762(Top 63%)10696(Top 70%)10696(Top 964%)
35K21.75 mi0.75 mi17536-6111184-611184-618719(Top 70%)11470(Top 76%)11470(Top 1033%)
23M23.00 mi1.25 mi17674-13811227-4311227-4319127(Top 72%)11622(Top 77%)11622(Top 1047%)
24M24.00 mi1.00 mi17960-28611339-11211339-11221435(Top 81%)12599(Top 83%)12599(Top 1135%)
40K24.85 mi0.85 mi18075-11511373-3411373-3419853(Top 75%)11854(Top 78%)11854(Top 1068%)
25.2M25.20 mi0.35 mi18079-411368+511368+518084(Top 68%)11067(Top 73%)11067(Top 997%)
Finish26.22 mi1.02 mi18243-16411432-6411432-6421289(Top 80%)12555(Top 83%)12555(Top 1131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17633

Males

11322

M60-64

11322

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18703

Males

11779

M60-64

11779

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17633

Males

11322

M60-64

11322

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17817

Males

11391

M60-64

11391

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17275

Males

11206

M60-64

11206

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17311

Males

11115

M60-64

11115

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17461

Males

11112

M60-64

11112

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16678

Males

10703

M60-64

10703

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16762

Males

10696

M60-64

10696

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18719

Males

11470

M60-64

11470

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19127

Males

11622

M60-64

11622

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21435

Males

12599

M60-64

12599

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19853

Males

11854

M60-64

11854

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18084

Males

11067

M60-64

11067

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

21289

Males

12555

M60-64

12555

Passing Analysis

Category:
Athletes Passed
1356
Passed By
2395
Net Change
-1039
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17204
5K → 10K90867-777#17204#17981
10K → 15K251127+124#17981#17857
15K → 20K184146+38#17857#17819
20K → Half6313+50#17819#17769
Half → 25K16766+101#17769#17668
25K → 30K205146+59#17668#17609
30K → 20M12238+84#17609#17525
20M → 21M11161+50#17525#17475
21M → 35K3899-61#17475#17536
35K → 23M45183-138#17536#17674
23M → 24M14300-286#17674#17960
24M → 40K24139-115#17960#18075
40K → 25.2M2529-4#18075#18079
25.2M → Finish17181-164#18079#18243
TOTALS13562395-1039
📊

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