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BOSTON MARATHON 2023

David Ehasz

Bib: 20338•M

MN

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
9:03/mi
28:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
55:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:55/mi
1:23:29
↑ 67↓ 78
20K· 12.43 mi
9:06/mi
1:51:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:57:52
↑ 19↓ 370.5%
25K· 15.53 mi
9:08/mi
2:20:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:57/mi
2:47:50
↑ 181↓ 1480.2%
20M
8:41/mi
2:59:38
↑ 64↓ 500.2%
21M
8:55/mi
3:08:33
↑ 106↓ 241.6%
35K· 21.75 mi
8:11/mi
3:14:40
↑ 17↓ 861.7%
23M
8:14/mi
3:24:58
↑ 23↓ 630.6%
24M
7:48/mi
3:32:46
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:39:28
↓ 200.3%
25.2M
8:13/mi
3:42:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:50:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:57:52
Pace8:59 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:52:08
Pace8:33 /mi
📊Negative Split: 4.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3728:089:0328:08
9:03
-
10K
6.21 mi11:48:1755:488:5927:40
8:54
-0:09
15K
9.32 mi12:15:581:23:298:5727:41
8:55
+0:01
20K
12.43 mi12:44:141:51:459:0028:16
9:06
+0:11
Half
13.11 mi12:50:211:57:528:596:07
8:58
-0:08
25K
15.53 mi13:12:302:20:019:0122:09
9:08
+0:10
30K
18.64 mi13:40:192:47:509:0027:49
8:57
-0:11
20M
20.00 mi13:52:072:59:388:5911:48
8:41
-0:16
21M
21.00 mi14:01:023:08:338:598:55
8:55
+0:14
35K
21.75 mi14:07:093:14:408:576:07
8:11
-0:44
23M
23.00 mi14:17:273:24:588:5510:18
8:14
+0:03
24M
24.00 mi14:25:153:32:468:527:48
7:48
-0:26
40K
24.85 mi14:31:573:39:288:506:42
7:50
+0:02
25.2M
25.20 mi14:34:473:42:188:492:50
8:13
+0:23
Finish
26.22 mi14:42:293:50:008:477:42
7:33
-0:40

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

7:33 /mi

Average Pace

8:47 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:27

18% of race

Time at Steady Pace

3:08:33

82% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:46 /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 mi11:20:3728:089:0328:08
9:03
#20673
10K
6.21 mi11:48:1755:488:5927:40
8:54
#20558
15K
9.32 mi12:15:581:23:298:5727:41
8:55
#20375
20K
12.43 mi12:44:141:51:459:0028:16
9:06
#20325
Half
13.11 mi12:50:211:57:528:596:07
8:58
#20318
25K
15.53 mi13:12:302:20:019:0122:09
9:08
#20181
30K
18.64 mi13:40:192:47:509:0027:49
8:57
#19605
20M
20.00 mi13:52:072:59:388:5911:48
8:41
#19275
21M
21.00 mi14:01:023:08:338:598:55
8:55
#18955
35K
21.75 mi14:07:093:14:408:576:07
8:11
#18760
23M
23.00 mi14:17:273:24:588:5510:18
8:14
#18368
24M
24.00 mi14:25:153:32:468:527:48
7:48
#18062
40K
24.85 mi14:31:573:39:288:506:42
7:50
#17788
25.2M
25.20 mi14:34:473:42:188:492:50
8:13
#17652
Finish
26.22 mi14:42:293:50:008:477:42
7:33
#17341
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20673124401244020076(Top 75%)12332(Top 81%)12332(Top 1111%)
10K6.21 mi3.10 mi20558+11512466-2612466-2620433(Top 77%)12467(Top 82%)12467(Top 1123%)
15K9.32 mi3.11 mi20375+18312408+5812408+5820076(Top 75%)12332(Top 81%)12332(Top 1111%)
20K12.43 mi3.11 mi20325+5012400+812400+820125(Top 76%)12360(Top 81%)12360(Top 1114%)
Half13.11 mi0.68 mi20318+712399+112399+120268(Top 76%)12413(Top 82%)12413(Top 1118%)
25K15.53 mi2.42 mi20181+13712353+4612353+4619560(Top 73%)12081(Top 80%)12081(Top 1088%)
30K18.64 mi3.11 mi19605+57612091+26212091+26216922(Top 64%)10880(Top 72%)10880(Top 980%)
20M20.00 mi1.36 mi19275+33011937+15411937+15414746(Top 55%)9881(Top 65%)9881(Top 890%)
21M21.00 mi1.00 mi18955+32011790+14711790+14712936(Top 49%)9016(Top 59%)9016(Top 812%)
35K21.75 mi0.75 mi18760+19511704+8611704+8613276(Top 50%)9117(Top 60%)9117(Top 821%)
23M23.00 mi1.25 mi18368+39211518+18611518+18611369(Top 43%)8170(Top 54%)8170(Top 736%)
24M24.00 mi1.00 mi18062+30611374+14411374+1449799(Top 37%)7305(Top 48%)7305(Top 658%)
40K24.85 mi0.85 mi17788+27411258+11611258+1168912(Top 33%)6774(Top 45%)6774(Top 610%)
25.2M25.20 mi0.35 mi17652+13611198+6011198+607800(Top 29%)6076(Top 40%)6076(Top 547%)
Finish26.22 mi1.02 mi17341+31111053+14511053+1458961(Top 34%)6739(Top 44%)6739(Top 607%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

20076

Males

12332

M60-64

12332

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20433

Males

12467

M60-64

12467

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

20076

Males

12332

M60-64

12332

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20125

Males

12360

M60-64

12360

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20268

Males

12413

M60-64

12413

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

19560

Males

12081

M60-64

12081

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16922

Males

10880

M60-64

10880

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14746

Males

9881

M60-64

9881

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12936

Males

9016

M60-64

9016

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13276

Males

9117

M60-64

9117

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11369

Males

8170

M60-64

8170

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9799

Males

7305

M60-64

7305

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8912

Males

6774

M60-64

6774

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7800

Males

6076

M60-64

6076

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8961

Males

6739

M60-64

6739

Passing Analysis

Category:
Athletes Passed
3919
Passed By
587
Net Change
+3332
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20673
5K → 10K373258+115#20673#20558
10K → 15K27693+183#20558#20375
15K → 20K194144+50#20375#20325
20K → Half3427+7#20325#20318
Half → 25K19760+137#20318#20181
25K → 30K5793+576#20181#19605
30K → 20M3311+330#19605#19275
20M → 21M3211+320#19275#18955
21M → 35K1950+195#18955#18760
35K → 23M3920+392#18760#18368
23M → 24M3060+306#18368#18062
24M → 40K2740+274#18062#17788
40K → 25.2M1360+136#17788#17652
25.2M → Finish3110+311#17652#17341
TOTALS3919587+3332
📊

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