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BOSTON MARATHON 2023

Macy Helm

Bib: 12075•F

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0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:27
Rank: #13010
Start → 5K
7:52/mi
24:27 split
10K· 6.21 mi
48:43
Rank: #13098 (-88)
5K → 10K
7:49/mi
24:16 split
15K· 9.32 mi
1:13:12
Rank: #13171 (-73)
10K → 15K
7:53/mi
24:29 split
20K· 12.43 mi
1:37:46
Rank: #13016 (+155)
15K → 20K
7:54/mi
24:34 split
Half· 13.11 mi
1:43:04
Rank: #12974 (+42)
20K → Half
7:46/mi
5:18 split
25K· 15.53 mi
2:02:11
Rank: #12738 (+236)
Half → 25K
7:53/mi
19:07 split
30K· 18.64 mi
2:27:14
Rank: #12445 (+293)
25K → 30K
8:04/mi
25:03 split
20M
2:38:24
Rank: #12377 (+68)
30K → 20M
8:13/mi
11:10 split
21M
2:47:11
Rank: #12346 (+31)
20M → 21M
8:47/mi
8:47 split
35K· 21.75 mi
2:52:57
Rank: #12252 (+94)
21M → 35K
7:42/mi
5:46 split
23M
3:03:13
Rank: #12187 (+65)
35K → 23M
8:12/mi
10:16 split
24M
3:11:04
Rank: #12089 (+98)
23M → 24M
7:51/mi
7:51 split
40K· 24.85 mi
3:17:47
Rank: #11952 (+137)
24M → 40K
7:51/mi
6:43 split
25.2M
3:20:50
Rank: #11945 (+7)
40K → 25.2M
8:51/mi
3:03 split
Finish· 26.22 mi
3:28:48
Rank: #11897 (+48)
25.2M → Finish
7:49/mi
7:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:04
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:45:44
Pace8:04 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0924:277:5224:27
7:52
-
10K
6.21 mi11:16:2548:437:5024:16
7:49
-0:03
15K
9.32 mi11:40:541:13:127:5124:29
7:53
+0:04
20K
12.43 mi12:05:281:37:467:5224:34
7:54
+0:01
Half
13.11 mi12:10:461:43:047:525:18
7:46
-0:08
25K
15.53 mi12:29:532:02:117:5219:07
7:53
+0:07
30K
18.64 mi12:54:562:27:147:5425:03
8:04
+0:11
20M
20.00 mi13:06:062:38:247:5511:10
8:13
+0:09
21M
21.00 mi13:14:532:47:117:588:47
8:47
+0:34
35K
21.75 mi13:20:392:52:577:575:46
7:42
-1:05
23M
23.00 mi13:30:553:03:137:5810:16
8:12
+0:30
24M
24.00 mi13:38:463:11:047:587:51
7:51
-0:21
40K
24.85 mi13:45:293:17:477:576:43
7:51
0:00
25.2M
25.20 mi13:48:323:20:507:583:03
8:51
+1:00
Finish
26.22 mi13:56:303:28:487:587:58
7:49
-1:02

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

7:42 /mi

Average Pace

7:58 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:58

94% of race

Time at Steady Pace

11:50

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:52:0924:277:5224:27
7:52
#13010
10K
6.21 mi11:16:2548:437:5024:16
7:49
#13098
15K
9.32 mi11:40:541:13:127:5124:29
7:53
#13171
20K
12.43 mi12:05:281:37:467:5224:34
7:54
#13016
Half
13.11 mi12:10:461:43:047:525:18
7:46
#12974
25K
15.53 mi12:29:532:02:117:5219:07
7:53
#12738
30K
18.64 mi12:54:562:27:147:5425:03
8:04
#12445
20M
20.00 mi13:06:062:38:247:5511:10
8:13
#12377
21M
21.00 mi13:14:532:47:117:588:47
8:47
#12346
35K
21.75 mi13:20:392:52:577:575:46
7:42
#12252
23M
23.00 mi13:30:553:03:137:5810:16
8:12
#12187
24M
24.00 mi13:38:463:11:047:587:51
7:51
#12089
40K
24.85 mi13:45:293:17:477:576:43
7:51
#11952
25.2M
25.20 mi13:48:323:20:507:583:03
8:51
#11945
Finish
26.22 mi13:56:303:28:487:587:58
7:49
#11897
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130103443344313365(Top 50%)3703(Top 32%)3703(Top 76%)
10K6.21 mi3.10 mi13098-883504-613504-6113223(Top 50%)3563(Top 31%)3563(Top 73%)
15K9.32 mi3.11 mi13171-733565-613565-6113365(Top 50%)3703(Top 32%)3703(Top 76%)
20K12.43 mi3.11 mi13016+1553492+733492+7312687(Top 48%)3371(Top 30%)3371(Top 69%)
Half13.11 mi0.68 mi12974+423468+243468+2412489(Top 47%)3192(Top 28%)3192(Top 65%)
25K15.53 mi2.42 mi12738+2363355+1133355+11311809(Top 44%)2962(Top 26%)2962(Top 61%)
30K18.64 mi3.11 mi12445+2933221+1343221+13411400(Top 43%)2851(Top 25%)2851(Top 58%)
20M20.00 mi1.36 mi12377+683203+183203+1811822(Top 44%)3168(Top 28%)3168(Top 65%)
21M21.00 mi1.00 mi12346+313200+33200+312173(Top 46%)3494(Top 31%)3494(Top 72%)
35K21.75 mi0.75 mi12252+943168+323168+3210067(Top 38%)2405(Top 21%)2405(Top 49%)
23M23.00 mi1.25 mi12187+653160+83160+811203(Top 42%)3115(Top 27%)3115(Top 64%)
24M24.00 mi1.00 mi12089+983131+293131+2910220(Top 38%)2712(Top 24%)2712(Top 56%)
40K24.85 mi0.85 mi11952+1373073+583073+588965(Top 34%)2179(Top 19%)2179(Top 45%)
25.2M25.20 mi0.35 mi11945+73072+13072+111628(Top 44%)3524(Top 31%)3524(Top 72%)
Finish26.22 mi1.02 mi11897+483065+73065+710836(Top 41%)3110(Top 27%)3110(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13365

Females

3703

F18-39

3703

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13223

Females

3563

F18-39

3563

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13365

Females

3703

F18-39

3703

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12687

Females

3371

F18-39

3371

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12489

Females

3192

F18-39

3192

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11809

Females

2962

F18-39

2962

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11400

Females

2851

F18-39

2851

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11822

Females

3168

F18-39

3168

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12173

Females

3494

F18-39

3494

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10067

Females

2405

F18-39

2405

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11203

Females

3115

F18-39

3115

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10220

Females

2712

F18-39

2712

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8965

Females

2179

F18-39

2179

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11628

Females

3524

F18-39

3524

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10836

Females

3110

F18-39

3110

Passing Analysis

Category:
Athletes Passed
2241
Passed By
1128
Net Change
+1113
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13010
5K → 10K264352-88#13010#13098
10K → 15K181254-73#13098#13171
15K → 20K261106+155#13171#13016
20K → Half5210+42#13016#12974
Half → 25K26933+236#12974#12738
25K → 30K36168+293#12738#12445
30K → 20M12254+68#12445#12377
20M → 21M11079+31#12377#12346
21M → 35K984+94#12346#12252
35K → 23M12560+65#12252#12187
23M → 24M12325+98#12187#12089
24M → 40K14811+137#12089#11952
40K → 25.2M3225+7#11952#11945
25.2M → Finish9547+48#11945#11897
TOTALS22411128+1113
📊

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