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BOSTON MARATHON 2023

Ben Yost

Bib: 11821•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M45-49)
#0 / 2252
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
7:45/mi
24:05
↑ 97↓ 3451.5%
10K· 6.21 mi
8:01/mi
48:59
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:12:19
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:36:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:41:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
2:01:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:04/mi
2:26:59
↑ 181↓ 1480.2%
20M
7:58/mi
2:37:49
↑ 64↓ 500.2%
21M
8:27/mi
2:46:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:51:52
↑ 17↓ 861.7%
23M
7:52/mi
3:01:43
↑ 23↓ 630.6%
24M
7:41/mi
3:09:24
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:16:07
↓ 200.3%
25.2M
8:25/mi
3:19:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:26:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:33
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:45:15
Pace8:02 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0224:057:4524:05
7:45
-
10K
6.21 mi11:39:5648:597:5324:54
8:01
+0:16
15K
9.32 mi12:03:161:12:197:4623:20
7:31
-0:30
20K
12.43 mi12:27:181:36:217:4524:02
7:44
+0:13
Half
13.11 mi12:32:301:41:337:455:12
7:37
-0:07
25K
15.53 mi12:52:512:01:547:5120:21
8:24
+0:47
30K
18.64 mi13:17:562:26:597:5325:05
8:04
-0:20
20M
20.00 mi13:28:462:37:497:5310:50
7:58
-0:06
21M
21.00 mi13:37:132:46:167:558:27
8:27
+0:29
35K
21.75 mi13:42:492:51:527:545:36
7:29
-0:58
23M
23.00 mi13:52:403:01:437:549:51
7:52
+0:23
24M
24.00 mi14:00:213:09:247:547:41
7:41
-0:11
40K
24.85 mi14:07:043:16:077:536:43
7:51
+0:10
25.2M
25.20 mi14:09:583:19:017:542:54
8:25
+0:34
Finish
26.22 mi14:17:453:26:487:547:47
7:38
-0:47

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

7:29 /mi

Average Pace

7:54 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:06

85% of race

Time at Steady Pace

31:42

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi11:15:0224:057:4524:05
7:45
#11919
10K
6.21 mi11:39:5648:597:5324:54
8:01
#13433
15K
9.32 mi12:03:161:12:197:4623:20
7:31
#12299
20K
12.43 mi12:27:181:36:217:4524:02
7:44
#11988
Half
13.11 mi12:32:301:41:337:455:12
7:37
#11952
25K
15.53 mi12:52:512:01:547:5120:21
8:24
#12569
30K
18.64 mi13:17:562:26:597:5325:05
8:04
#12347
20M
20.00 mi13:28:462:37:497:5310:50
7:58
#12128
21M
21.00 mi13:37:132:46:167:558:27
8:27
#12009
35K
21.75 mi13:42:492:51:527:545:36
7:29
#11867
23M
23.00 mi13:52:403:01:437:549:51
7:52
#11644
24M
24.00 mi14:00:213:09:247:547:41
7:41
#11516
40K
24.85 mi14:07:043:16:077:536:43
7:51
#11399
25.2M
25.20 mi14:09:583:19:017:542:54
8:25
#11336
Finish
26.22 mi14:17:453:26:487:547:47
7:38
#11225
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi119199076907610255(Top 39%)8280(Top 55%)8280(Top 368%)
10K6.21 mi3.10 mi13433-15149716-6409716-64014895(Top 56%)10264(Top 68%)10264(Top 456%)
15K9.32 mi3.11 mi12299+11349218+4989218+49810255(Top 39%)8280(Top 55%)8280(Top 368%)
20K12.43 mi3.11 mi11988+3119063+1559063+15511178(Top 42%)8659(Top 57%)8659(Top 385%)
Half13.11 mi0.68 mi11952+369047+169047+1611165(Top 42%)8697(Top 57%)8697(Top 386%)
25K15.53 mi2.42 mi12569-6179284-2379284-23715518(Top 58%)10343(Top 68%)10343(Top 459%)
30K18.64 mi3.11 mi12347+2229155+1299155+12911448(Top 43%)8558(Top 56%)8558(Top 380%)
20M20.00 mi1.36 mi12128+2199042+1139042+11310057(Top 38%)7790(Top 51%)7790(Top 346%)
21M21.00 mi1.00 mi12009+1198978+648978+6410168(Top 38%)7698(Top 51%)7698(Top 342%)
35K21.75 mi0.75 mi11867+1428898+808898+808460(Top 32%)6791(Top 45%)6791(Top 302%)
23M23.00 mi1.25 mi11644+2238785+1138785+1138858(Top 33%)6901(Top 45%)6901(Top 306%)
24M24.00 mi1.00 mi11516+1288699+868699+868971(Top 34%)6885(Top 45%)6885(Top 306%)
40K24.85 mi0.85 mi11399+1178625+748625+749027(Top 34%)6837(Top 45%)6837(Top 304%)
25.2M25.20 mi0.35 mi11336+638589+368589+368956(Top 34%)6729(Top 44%)6729(Top 299%)
Finish26.22 mi1.02 mi11225+1118506+838506+839539(Top 36%)7045(Top 46%)7045(Top 313%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10255

Males

8280

M45-49

8280

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14895

Males

10264

M45-49

10264

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10255

Males

8280

M45-49

8280

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11178

Males

8659

M45-49

8659

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11165

Males

8697

M45-49

8697

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

15518

Males

10343

M45-49

10343

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11448

Males

8558

M45-49

8558

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10057

Males

7790

M45-49

7790

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10168

Males

7698

M45-49

7698

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8460

Males

6791

M45-49

6791

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8858

Males

6901

M45-49

6901

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

8971

Males

6885

M45-49

6885

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9027

Males

6837

M45-49

6837

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8956

Males

6729

M45-49

6729

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9539

Males

7045

M45-49

7045

Passing Analysis

Category:
Athletes Passed
3142
Passed By
2448
Net Change
+694
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11919
5K → 10K291543-1514#11919#13433
10K → 15K115016+1134#13433#12299
15K → 20K35443+311#12299#11988
20K → Half459+36#11988#11952
Half → 25K25642-617#11952#12569
25K → 30K31290+222#12569#12347
30K → 20M2256+219#12347#12128
20M → 21M15334+119#12128#12009
21M → 35K1420+142#12009#11867
35K → 23M2318+223#11867#11644
23M → 24M13911+128#11644#11516
24M → 40K13417+117#11516#11399
40K → 25.2M707+63#11399#11336
25.2M → Finish13322+111#11336#11225
TOTALS31422448+694
📊

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