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BOSTON MARATHON 2023

Stephen Roth

Bib: 12979•M

NS

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:25
Rank: #17575
Start → 5K
26:25 | 8:30/mi
10K· 6.21 mi
53:50
Rank: #18899 (-1324)
5K → 10K
27:25 | 8:49/mi
15K· 9.32 mi
1:21:30
Rank: #19298 (-399)
10K → 15K
27:40 | 8:54/mi
20K· 12.43 mi
1:49:27
Rank: #19355 (-57)
15K → 20K
27:57 | 9:00/mi
Half· 13.11 mi
1:55:15
Rank: #19269 (+86)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:16:28
Rank: #19009 (+260)
Half → 25K
21:13 | 8:45/mi
30K· 18.64 mi
2:44:21
Rank: #18681 (+328)
25K → 30K
27:53 | 8:58/mi
20M
2:56:36
Rank: #18497 (+184)
30K → 20M
12:15 | 9:01/mi
21M
3:06:30
Rank: #18428 (+69)
20M → 21M
9:54 | 9:54/mi
35K· 21.75 mi
3:13:29
Rank: #18470 (-42)
21M → 35K
6:59 | 9:20/mi
23M
3:25:02
Rank: #18384 (+86)
35K → 23M
11:33 | 9:13/mi
24M
3:34:13
Rank: #18377 (+7)
23M → 24M
9:11 | 9:11/mi
40K· 24.85 mi
3:42:16
Rank: #18360 (+17)
24M → 40K
8:03 | 9:25/mi
25.2M
3:45:40
Rank: #18345 (+15)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:54:42
Rank: #18317 (+28)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:15
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time1:59:27
Pace9:07 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2526:258:3026:25
8:30
-
10K
6.21 mi11:21:5053:508:4027:25
8:49
+0:19
15K
9.32 mi11:49:301:21:308:4527:40
8:54
+0:05
20K
12.43 mi12:17:271:49:278:4827:57
9:00
+0:06
Half
13.11 mi12:23:151:55:158:475:48
8:30
-0:30
25K
15.53 mi12:44:282:16:288:4721:13
8:45
+0:15
30K
18.64 mi13:12:212:44:218:4927:53
8:58
+0:13
20M
20.00 mi13:24:362:56:368:5012:15
9:01
+0:03
21M
21.00 mi13:34:303:06:308:539:54
9:54
+0:53
35K
21.75 mi13:41:293:13:298:546:59
9:20
-0:34
23M
23.00 mi13:53:023:25:028:5511:33
9:13
-0:07
24M
24.00 mi14:02:133:34:138:569:11
9:11
-0:02
40K
24.85 mi14:10:163:42:168:578:03
9:25
+0:14
25.2M
25.20 mi14:13:403:45:408:573:24
9:52
+0:27
Finish
26.22 mi14:22:423:54:428:579:02
8:52
-1:00

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

8:30 /mi

Average Pace

8:57 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:21

91% of race

Time at Steady Pace

21:21

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:57 /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 mi10:54:2526:258:3026:25
8:30
#17575
10K
6.21 mi11:21:5053:508:4027:25
8:49
#18899
15K
9.32 mi11:49:301:21:308:4527:40
8:54
#19298
20K
12.43 mi12:17:271:49:278:4827:57
9:00
#19355
Half
13.11 mi12:23:151:55:158:475:48
8:30
#19269
25K
15.53 mi12:44:282:16:288:4721:13
8:45
#19009
30K
18.64 mi13:12:212:44:218:4927:53
8:58
#18681
20M
20.00 mi13:24:362:56:368:5012:15
9:01
#18497
21M
21.00 mi13:34:303:06:308:539:54
9:54
#18428
35K
21.75 mi13:41:293:13:298:546:59
9:20
#18470
23M
23.00 mi13:53:023:25:028:5511:33
9:13
#18384
24M
24.00 mi14:02:133:34:138:569:11
9:11
#18377
40K
24.85 mi14:10:163:42:168:578:03
9:25
#18360
25.2M
25.20 mi14:13:403:45:408:573:24
9:52
#18345
Finish
26.22 mi14:22:423:54:428:579:02
8:52
#18317
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi17575112551125520055(Top 75%)12320(Top 81%)12320(Top 600%)
10K6.21 mi3.10 mi18899-132411800-54511800-54520056(Top 75%)12307(Top 81%)12307(Top 600%)
15K9.32 mi3.11 mi19298-39911961-16111961-16120055(Top 75%)12320(Top 81%)12320(Top 600%)
20K12.43 mi3.11 mi19355-5711993-3211993-3219669(Top 74%)12163(Top 80%)12163(Top 593%)
Half13.11 mi0.68 mi19269+8611969+2411969+2417696(Top 66%)11384(Top 75%)11384(Top 555%)
25K15.53 mi2.42 mi19009+26011862+10711862+10717665(Top 66%)11267(Top 74%)11267(Top 549%)
30K18.64 mi3.11 mi18681+32811697+16511697+16517030(Top 64%)10932(Top 72%)10932(Top 533%)
20M20.00 mi1.36 mi18497+18411610+8711610+8716617(Top 62%)10675(Top 70%)10675(Top 520%)
21M21.00 mi1.00 mi18428+6911563+4711563+4717641(Top 66%)11072(Top 73%)11072(Top 540%)
35K21.75 mi0.75 mi18470-4211579-1611579-1619268(Top 72%)11714(Top 77%)11714(Top 571%)
23M23.00 mi1.25 mi18384+8611524+5511524+5517169(Top 64%)10772(Top 71%)10772(Top 525%)
24M24.00 mi1.00 mi18377+711513+1111513+1117991(Top 68%)11076(Top 73%)11076(Top 540%)
40K24.85 mi0.85 mi18360+1711495+1811495+1818006(Top 68%)11034(Top 73%)11034(Top 538%)
25.2M25.20 mi0.35 mi18345+1511485+1011485+1016778(Top 63%)10464(Top 69%)10464(Top 510%)
Finish26.22 mi1.02 mi18317+2811466+1911466+1917325(Top 65%)10756(Top 71%)10756(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

20055

Males

12320

M50-54

12320

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

20056

Males

12307

M50-54

12307

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

20055

Males

12320

M50-54

12320

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

19669

Males

12163

M50-54

12163

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17696

Males

11384

M50-54

11384

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17665

Males

11267

M50-54

11267

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17030

Males

10932

M50-54

10932

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16617

Males

10675

M50-54

10675

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17641

Males

11072

M50-54

11072

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19268

Males

11714

M50-54

11714

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

17169

Males

10772

M50-54

10772

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

17991

Males

11076

M50-54

11076

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18006

Males

11034

M50-54

11034

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16778

Males

10464

M50-54

10464

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17325

Males

10756

M50-54

10756

Passing Analysis

Category:
Athletes Passed
1655
Passed By
2397
Net Change
-742
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17575
5K → 10K411365-1324#17575#18899
10K → 15K63462-399#18899#19298
15K → 20K138195-57#19298#19355
20K → Half871+86#19355#19269
Half → 25K27515+260#19269#19009
25K → 30K36133+328#19009#18681
30K → 20M20016+184#18681#18497
20M → 21M11748+69#18497#18428
21M → 35K3678-42#18428#18470
35K → 23M12943+86#18470#18384
23M → 24M5851+7#18384#18377
24M → 40K5942+17#18377#18360
40K → 25.2M2712+15#18360#18345
25.2M → Finish6436+28#18345#18317
TOTALS16552397-742
📊

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