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BOSTON MARATHON 2023

Bruce Grant

Bib: 13948•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 34%
Masters (Masters Men)
#0 / 9891
Top 19%
Division (M65-69)
#0 / 549
Top 0.4%
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
7:18/mi
22:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
45:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:07:11
↑ 67↓ 78
20K· 12.43 mi
7:08/mi
1:29:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:34:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:05/mi
1:51:23
↑ 66↓ 880.2%
30K· 18.64 mi
7:08/mi
2:13:34
↑ 181↓ 1480.2%
20M
7:05/mi
2:23:11
↑ 64↓ 500.2%
21M
7:24/mi
2:30:35
↑ 106↓ 241.6%
35K· 21.75 mi
6:50/mi
2:35:42
↑ 17↓ 861.7%
23M
7:06/mi
2:44:35
↑ 23↓ 630.6%
24M
6:49/mi
2:51:24
↓ 821.3%
40K· 24.85 mi
6:56/mi
2:57:20
↓ 200.3%
25.2M
7:24/mi
2:59:53
↑ 13↓ 160.2%
Finish· 26.22 mi
6:38/mi
3:06:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:34:12
Pace7:11 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:32:27
Pace7:03 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5922:417:1822:41
7:18
-
10K
6.21 mi11:13:2245:047:1522:23
7:12
-0:06
15K
9.32 mi11:35:291:07:117:1222:07
7:07
-0:05
20K
12.43 mi11:57:391:29:217:1122:10
7:08
+0:01
Half
13.11 mi12:02:301:34:127:114:51
7:07
-0:01
25K
15.53 mi12:19:411:51:237:1017:11
7:05
-0:02
30K
18.64 mi12:41:522:13:347:1022:11
7:08
+0:03
20M
20.00 mi12:51:292:23:117:109:37
7:05
-0:03
21M
21.00 mi12:58:532:30:357:107:24
7:24
+0:19
35K
21.75 mi13:04:002:35:427:105:07
6:50
-0:34
23M
23.00 mi13:12:532:44:357:098:53
7:06
+0:16
24M
24.00 mi13:19:422:51:247:096:49
6:49
-0:17
40K
24.85 mi13:25:382:57:207:085:56
6:56
+0:07
25.2M
25.20 mi13:28:112:59:537:082:33
7:24
+0:28
Finish
26.22 mi13:34:573:06:397:076:46
6:38
-0:46

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

6:38 /mi

Average Pace

7:07 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:01

83% of race

Time at Steady Pace

32:38

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:07 /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 mi10:50:5922:417:1822:41
7:18
#8125
10K
6.21 mi11:13:2245:047:1522:23
7:12
#8150
15K
9.32 mi11:35:291:07:117:1222:07
7:07
#7810
20K
12.43 mi11:57:391:29:217:1122:10
7:08
#7474
Half
13.11 mi12:02:301:34:127:114:51
7:07
#7452
25K
15.53 mi12:19:411:51:237:1017:11
7:05
#7196
30K
18.64 mi12:41:522:13:347:1022:11
7:08
#6780
20M
20.00 mi12:51:292:23:117:109:37
7:05
#6570
21M
21.00 mi12:58:532:30:357:107:24
7:24
#6399
35K
21.75 mi13:04:002:35:427:105:07
6:50
#6306
23M
23.00 mi13:12:532:44:357:098:53
7:06
#6145
24M
24.00 mi13:19:422:51:247:096:49
6:49
#5982
40K
24.85 mi13:25:382:57:207:085:56
6:56
#5845
25.2M
25.20 mi13:28:112:59:537:082:33
7:24
#5775
Finish
26.22 mi13:34:573:06:397:076:46
6:38
#5622
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi8125705470547285(Top 27%)6440(Top 42%)6440(Top 1173%)
10K6.21 mi3.10 mi8150-257053+17053+18144(Top 31%)7034(Top 46%)7034(Top 1281%)
15K9.32 mi3.11 mi7810+3406830+2236830+2237285(Top 27%)6440(Top 42%)6440(Top 1173%)
20K12.43 mi3.11 mi7474+3366591+2396591+2396747(Top 25%)6022(Top 40%)6022(Top 1097%)
Half13.11 mi0.68 mi7452+226575+166575+167305(Top 27%)6426(Top 42%)6426(Top 1170%)
25K15.53 mi2.42 mi7196+2566381+1946381+1946061(Top 23%)5487(Top 36%)5487(Top 999%)
30K18.64 mi3.11 mi6780+4166049+3326049+3325165(Top 19%)4730(Top 31%)4730(Top 862%)
20M20.00 mi1.36 mi6570+2105879+1705879+1704515(Top 17%)4140(Top 27%)4140(Top 754%)
21M21.00 mi1.00 mi6399+1715746+1335746+1334155(Top 16%)3808(Top 25%)3808(Top 694%)
35K21.75 mi0.75 mi6306+935670+765670+764516(Top 17%)4107(Top 27%)4107(Top 748%)
23M23.00 mi1.25 mi6145+1615535+1355535+1354309(Top 16%)3928(Top 26%)3928(Top 715%)
24M24.00 mi1.00 mi5982+1635394+1415394+1413785(Top 14%)3457(Top 23%)3457(Top 630%)
40K24.85 mi0.85 mi5845+1375281+1135281+1133577(Top 13%)3243(Top 21%)3243(Top 591%)
25.2M25.20 mi0.35 mi5775+705220+615220+613506(Top 13%)3138(Top 21%)3138(Top 572%)
Finish26.22 mi1.02 mi5622+1535090+1305090+1303236(Top 12%)2908(Top 19%)2908(Top 530%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7285

Males

6440

M65-69

6440

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8144

Males

7034

M65-69

7034

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7285

Males

6440

M65-69

6440

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6747

Males

6022

M65-69

6022

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7305

Males

6426

M65-69

6426

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6061

Males

5487

M65-69

5487

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5165

Males

4730

M65-69

4730

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4515

Males

4140

M65-69

4140

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4155

Males

3808

M65-69

3808

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4516

Males

4107

M65-69

4107

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4309

Males

3928

M65-69

3928

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3785

Males

3457

M65-69

3457

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3577

Males

3243

M65-69

3243

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3506

Males

3138

M65-69

3138

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3236

Males

2908

M65-69

2908

Passing Analysis

Category:
Athletes Passed
2838
Passed By
335
Net Change
+2503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8125
5K → 10K216241-25#8125#8150
10K → 15K36929+340#8150#7810
15K → 20K35014+336#7810#7474
20K → Half3513+22#7474#7452
Half → 25K2626+256#7452#7196
25K → 30K4226+416#7196#6780
30K → 20M2111+210#6780#6570
20M → 21M1743+171#6570#6399
21M → 35K985+93#6399#6306
35K → 23M1687+161#6306#6145
23M → 24M1630+163#6145#5982
24M → 40K1403+137#5982#5845
40K → 25.2M700+70#5845#5775
25.2M → Finish1607+153#5775#5622
TOTALS2838335+2503
📊

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