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BOSTON MARATHON 2023

James Ehasz

Bib: 23821•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Top 21%
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
8:58/mi
27:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:56/mi
55:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:58/mi
1:23:28
↑ 67↓ 78
20K· 12.43 mi
9:03/mi
1:51:36
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:57:41
↑ 19↓ 370.5%
25K· 15.53 mi
9:06/mi
2:19:46
↑ 66↓ 880.2%
30K· 18.64 mi
9:30/mi
2:49:17
↑ 181↓ 1480.2%
20M
9:44/mi
3:02:31
↑ 64↓ 500.2%
21M
10:09/mi
3:12:40
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:19:30
↑ 17↓ 861.7%
23M
9:46/mi
3:31:44
↑ 23↓ 630.6%
24M
9:12/mi
3:40:56
↓ 821.3%
40K· 24.85 mi
9:34/mi
3:49:07
↓ 200.3%
25.2M
9:54/mi
3:52:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:06/mi
4:01:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:41
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:04:07
Pace9:28 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4627:518:5827:51
8:58
-
10K
6.21 mi11:50:3255:378:5727:46
8:56
-0:02
15K
9.32 mi12:18:231:23:288:5727:51
8:58
+0:02
20K
12.43 mi12:46:311:51:368:5928:08
9:03
+0:05
Half
13.11 mi12:52:361:57:418:596:05
8:55
-0:08
25K
15.53 mi13:14:412:19:469:0022:05
9:06
+0:11
30K
18.64 mi13:44:122:49:179:0529:31
9:30
+0:24
20M
20.00 mi13:57:263:02:319:0813:14
9:44
+0:14
21M
21.00 mi14:07:353:12:409:1010:09
10:09
+0:25
35K
21.75 mi14:14:253:19:309:106:50
9:08
-1:01
23M
23.00 mi14:26:393:31:449:1212:14
9:46
+0:38
24M
24.00 mi14:35:513:40:569:129:12
9:12
-0:34
40K
24.85 mi14:44:023:49:079:138:11
9:34
+0:22
25.2M
25.20 mi14:47:273:52:329:143:25
9:54
+0:20
Finish
26.22 mi14:56:434:01:489:149:16
9:06
-0:48

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

8:55 /mi

Average Pace

9:14 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:48:14

94% of race

Time at Steady Pace

13:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:13 /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 mi11:22:4627:518:5827:51
8:58
#20270
10K
6.21 mi11:50:3255:378:5727:46
8:56
#20423
15K
9.32 mi12:18:231:23:288:5727:51
8:58
#20367
20K
12.43 mi12:46:311:51:368:5928:08
9:03
#20268
Half
13.11 mi12:52:361:57:418:596:05
8:55
#20254
25K
15.53 mi13:14:412:19:469:0022:05
9:06
#20100
30K
18.64 mi13:44:122:49:179:0529:31
9:30
#19972
20M
20.00 mi13:57:263:02:319:0813:14
9:44
#19938
21M
21.00 mi14:07:353:12:409:1010:09
10:09
#19828
35K
21.75 mi14:14:253:19:309:106:50
9:08
#19778
23M
23.00 mi14:26:393:31:449:1212:14
9:46
#19756
24M
24.00 mi14:35:513:40:569:129:12
9:12
#19682
40K
24.85 mi14:44:023:49:079:138:11
9:34
#19650
25.2M
25.20 mi14:47:273:52:329:143:25
9:54
#19606
Finish
26.22 mi14:56:434:01:489:149:16
9:06
#19579
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi20270122661226620331(Top 76%)12447(Top 82%)12447(Top 5844%)
10K6.21 mi3.10 mi20423-15312414-14812414-14820622(Top 77%)12552(Top 83%)12552(Top 5893%)
15K9.32 mi3.11 mi20367+5612405+912405+920331(Top 76%)12447(Top 82%)12447(Top 5844%)
20K12.43 mi3.11 mi20268+9912373+3212373+3219950(Top 75%)12281(Top 81%)12281(Top 5766%)
Half13.11 mi0.68 mi20254+14123731237320030(Top 75%)12324(Top 81%)12324(Top 5786%)
25K15.53 mi2.42 mi20100+15412317+5612317+5619443(Top 73%)12029(Top 79%)12029(Top 5647%)
30K18.64 mi3.11 mi19972+12812234+8312234+8319440(Top 73%)11980(Top 79%)11980(Top 5624%)
20M20.00 mi1.36 mi19938+3412212+2212212+2219660(Top 74%)11966(Top 79%)11966(Top 5618%)
21M21.00 mi1.00 mi19828+11012168+4412168+4418540(Top 70%)11448(Top 75%)11448(Top 5375%)
35K21.75 mi0.75 mi19778+5012140+2812140+2818461(Top 69%)11362(Top 75%)11362(Top 5334%)
23M23.00 mi1.25 mi19756+2212114+2612114+2619331(Top 73%)11712(Top 77%)11712(Top 5499%)
24M24.00 mi1.00 mi19682+7412079+3512079+3518055(Top 68%)11106(Top 73%)11106(Top 5214%)
40K24.85 mi0.85 mi19650+3212054+2512054+2518572(Top 70%)11294(Top 74%)11294(Top 5302%)
25.2M25.20 mi0.35 mi19606+4412027+2712027+2717000(Top 64%)10577(Top 70%)10577(Top 4966%)
Finish26.22 mi1.02 mi19579+2712009+1812009+1818429(Top 69%)11280(Top 74%)11280(Top 5296%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20331

Males

12447

M70-74

12447

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20622

Males

12552

M70-74

12552

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20331

Males

12447

M70-74

12447

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19950

Males

12281

M70-74

12281

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

20030

Males

12324

M70-74

12324

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

19443

Males

12029

M70-74

12029

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

19440

Males

11980

M70-74

11980

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19660

Males

11966

M70-74

11966

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18540

Males

11448

M70-74

11448

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18461

Males

11362

M70-74

11362

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19331

Males

11712

M70-74

11712

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

18055

Males

11106

M70-74

11106

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18572

Males

11294

M70-74

11294

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17000

Males

10577

M70-74

10577

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18429

Males

11280

M70-74

11280

Passing Analysis

Category:
Athletes Passed
1761
Passed By
1070
Net Change
+691
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20270
5K → 10K226379-153#20270#20423
10K → 15K206150+56#20423#20367
15K → 20K225126+99#20367#20268
20K → Half3622+14#20268#20254
Half → 25K20753+154#20254#20100
25K → 30K21385+128#20100#19972
30K → 20M9561+34#19972#19938
20M → 21M14131+110#19938#19828
21M → 35K7020+50#19828#19778
35K → 23M8260+22#19778#19756
23M → 24M8814+74#19756#19682
24M → 40K6331+32#19682#19650
40K → 25.2M5410+44#19650#19606
25.2M → Finish5528+27#19606#19579
TOTALS17611070+691
📊

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