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BOSTON MARATHON 2023

Bernie Gray

Bib: 24521•M

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M75-79)
#0 / 49
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
10:23/mi
32:16
↑ 97↓ 3451.5%
10K· 6.21 mi
11:19/mi
1:07:25
↑ 79↓ 1380.4%
15K· 9.32 mi
11:47/mi
1:44:03
↑ 67↓ 78
20K· 12.43 mi
12:52/mi
2:24:01
↑ 106↓ 860.1%
Half· 13.11 mi
12:29/mi
2:32:32
↑ 19↓ 370.5%
25K· 15.53 mi
13:11/mi
3:04:30
↑ 66↓ 880.2%
30K· 18.64 mi
14:02/mi
3:48:06
↑ 181↓ 1480.2%
20M
13:35/mi
4:06:33
↑ 64↓ 500.2%
21M
14:55/mi
4:21:28
↑ 106↓ 241.6%
35K· 21.75 mi
13:27/mi
4:31:32
↑ 17↓ 861.7%
23M
14:14/mi
4:49:21
↑ 23↓ 630.6%
24M
14:40/mi
5:04:01
↓ 821.3%
40K· 24.85 mi
15:03/mi
5:16:53
↓ 200.3%
25.2M
17:04/mi
5:22:46
↑ 13↓ 160.2%
Finish· 26.22 mi
15:03/mi
5:38:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:32
Pace11:38 /mi
2nd Half
Distance13.11 mi
Time3:05:34
Pace14:09 /mi
📊Positive Split: 21.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:2832:1610:2332:16
10:23
-
10K
6.21 mi12:22:371:07:2510:5135:09
11:19
+0:56
15K
9.32 mi12:59:151:44:0311:1036:38
11:47
+0:28
20K
12.43 mi13:39:132:24:0111:3539:58
12:52
+1:05
Half
13.11 mi13:47:442:32:3211:388:31
12:29
-0:23
25K
15.53 mi14:19:423:04:3011:5331:58
13:11
+0:42
30K
18.64 mi15:03:183:48:0612:1443:36
14:02
+0:51
20M
20.00 mi15:21:454:06:3312:2018:27
13:35
-0:27
21M
21.00 mi15:36:404:21:2812:2714:55
14:55
+1:20
35K
21.75 mi15:46:444:31:3212:2910:04
13:27
-1:28
23M
23.00 mi16:04:334:49:2112:3517:49
14:14
+0:47
24M
24.00 mi16:19:135:04:0112:4014:40
14:40
+0:26
40K
24.85 mi16:32:055:16:5312:4512:52
15:03
+0:23
25.2M
25.20 mi16:37:585:22:4612:495:53
17:04
+2:01
Finish
26.22 mi16:53:185:38:0612:5415:20
15:03
-2:01

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

10:23 /mi

Average Pace

12:54 /mi

Slowest Pace

17:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:34

33% of race

Time at Steady Pace

2:41:52

48% of race

Time at Slower Pace

1:03:40

19% of race

Average Pace: 12:54 /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 mi11:47:2832:1610:2332:16
10:23
#24439
10K
6.21 mi12:22:371:07:2510:5135:09
11:19
#25353
15K
9.32 mi12:59:151:44:0311:1036:38
11:47
#25658
20K
12.43 mi13:39:132:24:0111:3539:58
12:52
#25868
Half
13.11 mi13:47:442:32:3211:388:31
12:29
#25896
25K
15.53 mi14:19:423:04:3011:5331:58
13:11
#25919
30K
18.64 mi15:03:183:48:0612:1443:36
14:02
#25976
20M
20.00 mi15:21:454:06:3312:2018:27
13:35
#25961
21M
21.00 mi15:36:404:21:2812:2714:55
14:55
#25954
35K
21.75 mi15:46:444:31:3212:2910:04
13:27
#25948
23M
23.00 mi16:04:334:49:2112:3517:49
14:14
#25956
24M
24.00 mi16:19:135:04:0112:4014:40
14:40
#25996
40K
24.85 mi16:32:055:16:5312:4512:52
15:03
#26015
25.2M
25.20 mi16:37:585:22:4612:495:53
17:04
#26031
Finish
26.22 mi16:53:185:38:0612:5415:20
15:03
#26095
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM75-79Seg. OverallSeg. MalesSeg. M75-79
5K3.11 mi3.11 mi24439142971429725914(Top 97%)14905(Top 98%)14905(Top 30418%)
10K6.21 mi3.10 mi25353-91414698-40114698-40125807(Top 97%)14868(Top 98%)14868(Top 30343%)
15K9.32 mi3.11 mi25658-30514806-10814806-10825914(Top 97%)14905(Top 98%)14905(Top 30418%)
20K12.43 mi3.11 mi25868-21014888-8214888-8226169(Top 98%)14993(Top 99%)14993(Top 30598%)
Half13.11 mi0.68 mi25896-2814904-1614904-1626144(Top 98%)14975(Top 99%)14975(Top 30561%)
25K15.53 mi2.42 mi25919-2314900+414900+425964(Top 98%)14881(Top 98%)14881(Top 30369%)
30K18.64 mi3.11 mi25976-5714913-1314913-1326047(Top 98%)14900(Top 98%)14900(Top 30408%)
20M20.00 mi1.36 mi25961+1514909+414909+425589(Top 96%)14665(Top 97%)14665(Top 29929%)
21M21.00 mi1.00 mi25954+714897+1214897+1225681(Top 96%)14718(Top 97%)14718(Top 30037%)
35K21.75 mi0.75 mi25948+614893+414893+425857(Top 97%)14768(Top 97%)14768(Top 30139%)
23M23.00 mi1.25 mi25956-814894-114894-125963(Top 98%)14819(Top 98%)14819(Top 30243%)
24M24.00 mi1.00 mi25996-4014910-1614910-1626319(Top 99%)14991(Top 99%)14991(Top 30594%)
40K24.85 mi0.85 mi26015-1914915-514915-526170(Top 98%)14897(Top 98%)14897(Top 30402%)
25.2M25.20 mi0.35 mi26031-1614916-114916-126380(Top 99%)15021(Top 99%)15021(Top 30655%)
Finish26.22 mi1.02 mi26095-6414942-2614942-2626507(Top 100%)15100(Top 99%)15100(Top 30816%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25914

Males

14905

M75-79

14905

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25807

Males

14868

M75-79

14868

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25914

Males

14905

M75-79

14905

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26169

Males

14993

M75-79

14993

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

26144

Males

14975

M75-79

14975

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

25964

Males

14881

M75-79

14881

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

26047

Males

14900

M75-79

14900

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25589

Males

14665

M75-79

14665

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

25681

Males

14718

M75-79

14718

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25857

Males

14768

M75-79

14768

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

25963

Males

14819

M75-79

14819

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26319

Males

14991

M75-79

14991

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26170

Males

14897

M75-79

14897

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26380

Males

15021

M75-79

15021

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

26507

Males

15100

M75-79

15100

Passing Analysis

Category:
Athletes Passed
204
Passed By
1860
Net Change
-1656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24439
5K → 10K13927-914#24439#25353
10K → 15K25330-305#25353#25658
15K → 20K21231-210#25658#25868
20K → Half331-28#25868#25896
Half → 25K2649-23#25896#25919
25K → 30K3289-57#25919#25976
30K → 20M2813+15#25976#25961
20M → 21M2215+7#25961#25954
21M → 35K137+6#25954#25948
35K → 23M1523-8#25948#25956
23M → 24M141-40#25956#25996
24M → 40K322-19#25996#26015
40K → 25.2M016-16#26015#26031
25.2M → Finish266-64#26031#26095
TOTALS2041860-1656
📊

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