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BOSTON MARATHON 2023

Nicole Frei

Bib: 14842•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:49
Rank: #13944
Start → 5K
24:49 | 7:59/mi
10K· 6.21 mi
49:14
Rank: #13770 (+174)
5K → 10K
24:25 | 7:52/mi
15K· 9.32 mi
1:14:47
Rank: #14523 (-753)
10K → 15K
25:33 | 8:13/mi
20K· 12.43 mi
1:40:06
Rank: #14526 (-3)
15K → 20K
25:19 | 8:09/mi
Half· 13.11 mi
1:45:36
Rank: #14552 (-26)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:05:25
Rank: #14464 (+88)
Half → 25K
19:49 | 8:10/mi
30K· 18.64 mi
2:33:31
Rank: #15038 (-574)
25K → 30K
28:06 | 9:03/mi
20M
2:45:23
Rank: #15035 (+3)
30K → 20M
11:52 | 8:44/mi
21M
2:54:41
Rank: #15010 (+25)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
3:01:12
Rank: #15059 (-49)
21M → 35K
6:31 | 8:43/mi
23M
3:12:11
Rank: #15025 (+34)
35K → 23M
10:59 | 8:46/mi
24M
3:20:48
Rank: #15016 (+9)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
3:28:04
Rank: #14924 (+92)
24M → 40K
7:16 | 8:30/mi
25.2M
3:31:25
Rank: #14934 (-10)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:40:00
Rank: #14951 (-17)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:36
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:54:24
Pace8:44 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1924:497:5924:49
7:59
-
10K
6.21 mi11:39:4449:147:5524:25
7:52
-0:07
15K
9.32 mi12:05:171:14:478:0125:33
8:13
+0:21
20K
12.43 mi12:30:361:40:068:0325:19
8:09
-0:04
Half
13.11 mi12:36:061:45:368:035:30
8:04
-0:05
25K
15.53 mi12:55:552:05:258:0419:49
8:10
+0:06
30K
18.64 mi13:24:012:33:318:1428:06
9:03
+0:53
20M
20.00 mi13:35:532:45:238:1611:52
8:44
-0:19
21M
21.00 mi13:45:112:54:418:199:18
9:18
+0:34
35K
21.75 mi13:51:423:01:128:206:31
8:43
-0:35
23M
23.00 mi14:02:413:12:118:2110:59
8:46
+0:03
24M
24.00 mi14:11:183:20:488:228:37
8:37
-0:09
40K
24.85 mi14:18:343:28:048:227:16
8:30
-0:07
25.2M
25.20 mi14:21:553:31:258:233:21
9:43
+1:13
Finish
26.22 mi14:30:303:40:008:248:35
8:25
-1:18

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

7:52 /mi

Average Pace

8:24 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:25

57% of race

Time at Steady Pace

42:51

19% of race

Time at Slower Pace

51:44

24% of race

Average Pace: 8:23 /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 mi11:15:1924:497:5924:49
7:59
#13944
10K
6.21 mi11:39:4449:147:5524:25
7:52
#13770
15K
9.32 mi12:05:171:14:478:0125:33
8:13
#14523
20K
12.43 mi12:30:361:40:068:0325:19
8:09
#14526
Half
13.11 mi12:36:061:45:368:035:30
8:04
#14552
25K
15.53 mi12:55:552:05:258:0419:49
8:10
#14464
30K
18.64 mi13:24:012:33:318:1428:06
9:03
#15038
20M
20.00 mi13:35:532:45:238:1611:52
8:44
#15035
21M
21.00 mi13:45:112:54:418:199:18
9:18
#15010
35K
21.75 mi13:51:423:01:128:206:31
8:43
#15059
23M
23.00 mi14:02:413:12:118:2110:59
8:46
#15025
24M
24.00 mi14:11:183:20:488:228:37
8:37
#15016
40K
24.85 mi14:18:343:28:048:227:16
8:30
#14924
25.2M
25.20 mi14:21:553:31:258:233:21
9:43
#14934
Finish
26.22 mi14:30:303:40:008:248:35
8:25
#14951
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139443998399816033(Top 60%)5314(Top 47%)5314(Top 109%)
10K6.21 mi3.10 mi13770+1743909+893909+8913660(Top 51%)3834(Top 34%)3834(Top 79%)
15K9.32 mi3.11 mi14523-7534365-4564365-45616033(Top 60%)5314(Top 47%)5314(Top 109%)
20K12.43 mi3.11 mi14526-34382-174382-1714601(Top 55%)4465(Top 39%)4465(Top 91%)
Half13.11 mi0.68 mi14552-264397-154397-1514931(Top 56%)4651(Top 41%)4651(Top 95%)
25K15.53 mi2.42 mi14464+884381+164381+1614070(Top 53%)4273(Top 37%)4273(Top 87%)
30K18.64 mi3.11 mi15038-5744775-3944775-39417408(Top 65%)6302(Top 55%)6302(Top 129%)
20M20.00 mi1.36 mi15035+34795-204795-2015070(Top 57%)5037(Top 44%)5037(Top 103%)
21M21.00 mi1.00 mi15010+254801-64801-614996(Top 56%)5050(Top 44%)5050(Top 103%)
35K21.75 mi0.75 mi15059-494850-494850-4916471(Top 62%)5970(Top 52%)5970(Top 122%)
23M23.00 mi1.25 mi15025+344855-54855-514837(Top 56%)5080(Top 44%)5080(Top 104%)
24M24.00 mi1.00 mi15016+94866-114866-1115175(Top 57%)5326(Top 47%)5326(Top 109%)
40K24.85 mi0.85 mi14924+924834+324834+3213369(Top 50%)4405(Top 39%)4405(Top 90%)
25.2M25.20 mi0.35 mi14934-104847-134847-1316203(Top 61%)5970(Top 52%)5970(Top 122%)
Finish26.22 mi1.02 mi14951-174879-324879-3214910(Top 56%)5211(Top 46%)5211(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

16033

Females

5314

F18-39

5314

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13660

Females

3834

F18-39

3834

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

16033

Females

5314

F18-39

5314

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14601

Females

4465

F18-39

4465

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14931

Females

4651

F18-39

4651

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14070

Females

4273

F18-39

4273

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17408

Females

6302

F18-39

6302

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15070

Females

5037

F18-39

5037

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14996

Females

5050

F18-39

5050

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16471

Females

5970

F18-39

5970

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14837

Females

5080

F18-39

5080

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

15175

Females

5326

F18-39

5326

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13369

Females

4405

F18-39

4405

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16203

Females

5970

F18-39

5970

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14910

Females

5211

F18-39

5211

Passing Analysis

Category:
Athletes Passed
1419
Passed By
2426
Net Change
-1007
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13944
5K → 10K380206+174#13944#13770
10K → 15K36789-753#13770#14523
15K → 20K182185-3#14523#14526
20K → Half2450-26#14526#14552
Half → 25K17789+88#14552#14464
25K → 30K55629-574#14464#15038
30K → 20M8481+3#15038#15035
20M → 21M10075+25#15035#15010
21M → 35K3685-49#15010#15059
35K → 23M9157+34#15059#15025
23M → 24M6051+9#15025#15016
24M → 40K11119+92#15016#14924
40K → 25.2M2636-10#14924#14934
25.2M → Finish5774-17#14934#14951
TOTALS14192426-1007
📊

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