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BOSTON MARATHON 2023

Charles Helfrich

Bib: 11090•M

VT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 43%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:27
Rank: #12979
Start → 5K
24:27 | 7:52/mi
10K· 6.21 mi
48:19
Rank: #12490 (+489)
5K → 10K
23:52 | 7:41/mi
15K· 9.32 mi
1:12:10
Rank: #12169 (+321)
10K → 15K
23:51 | 7:41/mi
20K· 12.43 mi
1:36:12
Rank: #11880 (+289)
15K → 20K
24:02 | 7:44/mi
Half· 13.11 mi
1:41:18
Rank: #11771 (+109)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:59:55
Rank: #11453 (+318)
Half → 25K
18:37 | 7:41/mi
30K· 18.64 mi
2:24:31
Rank: #11184 (+269)
25K → 30K
24:36 | 7:55/mi
20M
2:35:09
Rank: #10986 (+198)
30K → 20M
10:38 | 7:49/mi
21M
2:43:34
Rank: #10916 (+70)
20M → 21M
8:25 | 8:25/mi
35K· 21.75 mi
2:49:15
Rank: #10830 (+86)
21M → 35K
5:41 | 7:36/mi
23M
2:59:10
Rank: #10719 (+111)
35K → 23M
9:55 | 7:55/mi
24M
3:06:50
Rank: #10622 (+97)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
3:13:32
Rank: #10526 (+96)
24M → 40K
6:42 | 7:50/mi
25.2M
3:16:23
Rank: #10480 (+46)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:24:01
Rank: #10356 (+124)
25.2M → Finish
7:38 | 7:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:18
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:42:43
Pace7:50 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1524:277:5224:27
7:52
-
10K
6.21 mi11:17:0748:197:4723:52
7:41
-0:11
15K
9.32 mi11:40:581:12:107:4523:51
7:41
0:00
20K
12.43 mi12:05:001:36:127:4424:02
7:44
+0:03
Half
13.11 mi12:10:061:41:187:445:06
7:29
-0:15
25K
15.53 mi12:28:431:59:557:4318:37
7:41
+0:12
30K
18.64 mi12:53:192:24:317:4524:36
7:55
+0:14
20M
20.00 mi13:03:572:35:097:4510:38
7:49
-0:06
21M
21.00 mi13:12:222:43:347:478:25
8:25
+0:36
35K
21.75 mi13:18:032:49:157:475:41
7:36
-0:49
23M
23.00 mi13:27:582:59:107:479:55
7:55
+0:19
24M
24.00 mi13:35:383:06:507:477:40
7:40
-0:15
40K
24.85 mi13:42:203:13:327:476:42
7:50
+0:10
25.2M
25.20 mi13:45:113:16:237:482:51
8:16
+0:26
Finish
26.22 mi13:52:493:24:017:477:38
7:29
-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

7:47 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:45

94% of race

Time at Steady Pace

11:16

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi10:53:1524:277:5224:27
7:52
#12979
10K
6.21 mi11:17:0748:197:4723:52
7:41
#12490
15K
9.32 mi11:40:581:12:107:4523:51
7:41
#12169
20K
12.43 mi12:05:001:36:127:4424:02
7:44
#11880
Half
13.11 mi12:10:061:41:187:445:06
7:29
#11771
25K
15.53 mi12:28:431:59:557:4318:37
7:41
#11453
30K
18.64 mi12:53:192:24:317:4524:36
7:55
#11184
20M
20.00 mi13:03:572:35:097:4510:38
7:49
#10986
21M
21.00 mi13:12:222:43:347:478:25
8:25
#10916
35K
21.75 mi13:18:032:49:157:475:41
7:36
#10830
23M
23.00 mi13:27:582:59:107:479:55
7:55
#10719
24M
24.00 mi13:35:383:06:507:477:40
7:40
#10622
40K
24.85 mi13:42:203:13:327:476:42
7:50
#10526
25.2M
25.20 mi13:45:113:16:237:482:51
8:16
#10480
Finish
26.22 mi13:52:493:24:017:477:38
7:29
#10356
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi129799532953211625(Top 44%)8915(Top 59%)8915(Top 396%)
10K6.21 mi3.10 mi12490+4899319+2139319+21312053(Top 45%)9132(Top 60%)9132(Top 406%)
15K9.32 mi3.11 mi12169+3219162+1579162+15711625(Top 44%)8915(Top 59%)8915(Top 396%)
20K12.43 mi3.11 mi11880+2899015+1479015+14711173(Top 42%)8654(Top 57%)8654(Top 384%)
Half13.11 mi0.68 mi11771+1098972+438972+439993(Top 38%)8103(Top 53%)8103(Top 360%)
25K15.53 mi2.42 mi11453+3188817+1558817+15510126(Top 38%)8060(Top 53%)8060(Top 358%)
30K18.64 mi3.11 mi11184+2698645+1728645+17210263(Top 39%)7966(Top 52%)7966(Top 354%)
20M20.00 mi1.36 mi10986+1988547+988547+989065(Top 34%)7240(Top 48%)7240(Top 321%)
21M21.00 mi1.00 mi10916+708481+668481+669949(Top 37%)7578(Top 50%)7578(Top 337%)
35K21.75 mi0.75 mi10830+868425+568425+569242(Top 35%)7219(Top 48%)7219(Top 321%)
23M23.00 mi1.25 mi10719+1118334+918334+919206(Top 35%)7074(Top 47%)7074(Top 314%)
24M24.00 mi1.00 mi10622+978268+668268+668847(Top 33%)6816(Top 45%)6816(Top 303%)
40K24.85 mi0.85 mi10526+968186+828186+828899(Top 33%)6761(Top 45%)6761(Top 300%)
25.2M25.20 mi0.35 mi10480+468155+318155+318074(Top 30%)6234(Top 41%)6234(Top 277%)
Finish26.22 mi1.02 mi10356+1248067+888067+888475(Top 32%)6451(Top 43%)6451(Top 286%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11625

Males

8915

M45-49

8915

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12053

Males

9132

M45-49

9132

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11625

Males

8915

M45-49

8915

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11173

Males

8654

M45-49

8654

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

9993

Males

8103

M45-49

8103

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10126

Males

8060

M45-49

8060

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10263

Males

7966

M45-49

7966

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9065

Males

7240

M45-49

7240

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9949

Males

7578

M45-49

7578

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9242

Males

7219

M45-49

7219

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9206

Males

7074

M45-49

7074

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8847

Males

6816

M45-49

6816

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8899

Males

6761

M45-49

6761

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8074

Males

6234

M45-49

6234

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8475

Males

6451

M45-49

6451

Passing Analysis

Category:
Athletes Passed
3126*
Passed By
503
Net Change
+2623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12979
5K → 10K628139+489#12979#12490
10K → 15K38160+321#12490#12169
15K → 20K33142+289#12169#11880
20K → Half1134+109#11880#11771
Half → 25K3279+318#11771#11453
25K → 30K33162+269#11453#11184
30K → 20M214*16+198#11184#10986
20M → 21M11343+70#10986#10916
21M → 35K10014+86#10916#10830
35K → 23M14635+111#10830#10719
23M → 24M11922+97#10719#10622
24M → 40K11923+96#10622#10526
40K → 25.2M537+46#10526#10480
25.2M → Finish15127+124#10480#10356
TOTALS3126*503+2623

* 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