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BOSTON MARATHON 2023

Todd Yerkes

Bib: 8561•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 46%
Division (M50-54)
#0 / 2052
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:05
Rank: #9066
Start → 5K
23:05 | 7:26/mi
10K· 6.21 mi
46:51
Rank: #10386 (-1320)
5K → 10K
23:46 | 7:39/mi
15K· 9.32 mi
1:10:25
Rank: #10542 (-156)
10K → 15K
23:34 | 7:35/mi
20K· 12.43 mi
1:34:05
Rank: #10439 (+103)
15K → 20K
23:40 | 7:37/mi
Half· 13.11 mi
1:39:17
Rank: #10484 (-45)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:57:42
Rank: #10280 (+204)
Half → 25K
18:25 | 7:36/mi
30K· 18.64 mi
2:22:39
Rank: #10375 (-95)
25K → 30K
24:57 | 8:02/mi
20M
2:33:33
Rank: #10378 (-3)
30K → 20M
10:54 | 8:01/mi
21M
2:42:21
Rank: #10468 (-90)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
2:48:01
Rank: #10392 (+76)
21M → 35K
5:40 | 7:34/mi
23M
2:58:25
Rank: #10446 (-54)
35K → 23M
10:24 | 8:18/mi
24M
3:06:40
Rank: #10567 (-121)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:14:03
Rank: #10686 (-119)
24M → 40K
7:23 | 8:38/mi
25.2M
3:17:18
Rank: #10755 (-69)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:25:57
Rank: #10956 (-201)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:17
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:46:40
Pace8:08 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5823:057:2623:05
7:26
-
10K
6.21 mi11:12:4446:517:3223:46
7:39
+0:13
15K
9.32 mi11:36:181:10:257:3323:34
7:35
-0:04
20K
12.43 mi11:59:581:34:057:3423:40
7:37
+0:02
Half
13.11 mi12:05:101:39:177:345:12
7:37
0:00
25K
15.53 mi12:23:351:57:427:3518:25
7:36
-0:01
30K
18.64 mi12:48:322:22:397:3924:57
8:02
+0:26
20M
20.00 mi12:59:262:33:337:4110:54
8:01
-0:01
21M
21.00 mi13:08:142:42:217:448:48
8:48
+0:47
35K
21.75 mi13:13:542:48:017:445:40
7:34
-1:14
23M
23.00 mi13:24:182:58:257:4510:24
8:18
+0:44
24M
24.00 mi13:32:333:06:407:478:15
8:15
-0:03
40K
24.85 mi13:39:563:14:037:487:23
8:38
+0:23
25.2M
25.20 mi13:43:113:17:187:503:15
9:25
+0:47
Finish
26.22 mi13:51:503:25:577:528:39
8:29
-0:56

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

7:26 /mi

Average Pace

7:52 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:22

60% of race

Time at Steady Pace

44:06

21% of race

Time at Slower Pace

38:29

19% of race

Average Pace: 7:51 /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 mi10:48:5823:057:2623:05
7:26
#9066
10K
6.21 mi11:12:4446:517:3223:46
7:39
#10386
15K
9.32 mi11:36:181:10:257:3323:34
7:35
#10542
20K
12.43 mi11:59:581:34:057:3423:40
7:37
#10439
Half
13.11 mi12:05:101:39:177:345:12
7:37
#10484
25K
15.53 mi12:23:351:57:427:3518:25
7:36
#10280
30K
18.64 mi12:48:322:22:397:3924:57
8:02
#10375
20M
20.00 mi12:59:262:33:337:4110:54
8:01
#10378
21M
21.00 mi13:08:142:42:217:448:48
8:48
#10468
35K
21.75 mi13:13:542:48:017:445:40
7:34
#10392
23M
23.00 mi13:24:182:58:257:4510:24
8:18
#10446
24M
24.00 mi13:32:333:06:407:478:15
8:15
#10567
40K
24.85 mi13:39:563:14:037:487:23
8:38
#10686
25.2M
25.20 mi13:43:113:17:187:503:15
9:25
#10755
Finish
26.22 mi13:51:503:25:577:528:39
8:29
#10956
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi90667642764210873(Top 41%)8589(Top 57%)8589(Top 419%)
10K6.21 mi3.10 mi10386-13208353-7118353-71111775(Top 44%)9013(Top 59%)9013(Top 439%)
15K9.32 mi3.11 mi10542-1568443-908443-9010873(Top 41%)8589(Top 57%)8589(Top 419%)
20K12.43 mi3.11 mi10439+1038388+558388+5510214(Top 38%)8193(Top 54%)8193(Top 399%)
Half13.11 mi0.68 mi10484-458410-228410-2211158(Top 42%)8690(Top 57%)8690(Top 423%)
25K15.53 mi2.42 mi10280+2048280+1308280+1309508(Top 36%)7719(Top 51%)7719(Top 376%)
30K18.64 mi3.11 mi10375-958273+78273+711135(Top 42%)8413(Top 55%)8413(Top 410%)
20M20.00 mi1.36 mi10378-38255+188255+1810410(Top 39%)7968(Top 53%)7968(Top 388%)
21M21.00 mi1.00 mi10468-908264-98264-912227(Top 46%)8681(Top 57%)8681(Top 423%)
35K21.75 mi0.75 mi10392+768215+498215+499087(Top 34%)7130(Top 47%)7130(Top 347%)
23M23.00 mi1.25 mi10446-548208+78208+711905(Top 45%)8423(Top 56%)8423(Top 410%)
24M24.00 mi1.00 mi10567-1218238-308238-3012903(Top 48%)8795(Top 58%)8795(Top 429%)
40K24.85 mi0.85 mi10686-1198277-398277-3914128(Top 53%)9286(Top 61%)9286(Top 453%)
25.2M25.20 mi0.35 mi10755-698296-198296-1914737(Top 55%)9541(Top 63%)9541(Top 465%)
Finish26.22 mi1.02 mi10956-2018370-748370-7415317(Top 58%)9858(Top 65%)9858(Top 480%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

10873

Males

8589

M50-54

8589

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11775

Males

9013

M50-54

9013

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

10873

Males

8589

M50-54

8589

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10214

Males

8193

M50-54

8193

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11158

Males

8690

M50-54

8690

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9508

Males

7719

M50-54

7719

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11135

Males

8413

M50-54

8413

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10410

Males

7968

M50-54

7968

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12227

Males

8681

M50-54

8681

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9087

Males

7130

M50-54

7130

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11905

Males

8423

M50-54

8423

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12903

Males

8795

M50-54

8795

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14128

Males

9286

M50-54

9286

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14737

Males

9541

M50-54

9541

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15317

Males

9858

M50-54

9858

Passing Analysis

Category:
Athletes Passed
1150*
Passed By
3039
Net Change
-1890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9066
5K → 10K301349-1320#9066#10386
10K → 15K132288-156#10386#10542
15K → 20K19794+103#10542#10439
20K → Half2166-45#10439#10484
Half → 25K23834+204#10484#10280
25K → 30K130225-95#10280#10375
30K → 20M68*71-3#10375#10378
20M → 21M65155-90#10378#10468
21M → 35K8913+76#10468#10392
35K → 23M69123-54#10392#10446
23M → 24M36157-121#10446#10567
24M → 40K42161-119#10567#10686
40K → 25.2M1382-69#10686#10755
25.2M → Finish20221-201#10755#10956
TOTALS1150*3039-1890

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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