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BOSTON MARATHON 2023

Nicole Mazzone

Bib: 25981•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
33:10
Rank: #25127
Start → 5K
33:10 | 10:41/mi
10K· 6.21 mi
1:03:32
Rank: #24118 (+1009)
5K → 10K
30:22 | 9:46/mi
15K· 9.32 mi
1:33:54
Rank: #23753 (+365)
10K → 15K
30:22 | 9:46/mi
20K· 12.43 mi
2:04:38
Rank: #23489 (+264)
15K → 20K
30:44 | 9:54/mi
Half· 13.11 mi
2:11:28
Rank: #23475 (+14)
20K → Half
6:50 | 10:01/mi
25K· 15.53 mi
2:35:10
Rank: #23179 (+296)
Half → 25K
23:42 | 9:46/mi
30K· 18.64 mi
3:06:36
Rank: #22817 (+362)
25K → 30K
31:26 | 10:07/mi
20M
3:20:29
Rank: #22692 (+125)
30K → 20M
13:53 | 10:13/mi
21M
3:30:59
Rank: #22539 (+153)
20M → 21M
10:30 | 10:30/mi
35K· 21.75 mi
3:38:25
Rank: #22479 (+60)
21M → 35K
7:26 | 9:56/mi
23M
3:51:24
Rank: #22393 (+86)
35K → 23M
12:59 | 10:22/mi
24M
4:01:43
Rank: #22370 (+23)
23M → 24M
10:19 | 10:19/mi
40K· 24.85 mi
4:10:40
Rank: #22316 (+54)
24M → 40K
8:57 | 10:28/mi
25.2M
4:14:30
Rank: #22287 (+29)
40K → 25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
4:24:37
Rank: #22277 (+10)
25.2M → Finish
10:07 | 9:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:28
Pace10:02 /mi
2nd Half
Distance13.11 mi
Time2:13:09
Pace10:09 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2533:1010:4133:10
10:41
-
10K
6.21 mi12:21:471:03:3210:1330:22
9:46
-0:55
15K
9.32 mi12:52:091:33:5410:0430:22
9:46
0:00
20K
12.43 mi13:22:532:04:3810:0230:44
9:54
+0:08
Half
13.11 mi13:29:432:11:2810:026:50
10:01
+0:07
25K
15.53 mi13:53:252:35:109:5923:42
9:46
-0:15
30K
18.64 mi14:24:513:06:3610:0131:26
10:07
+0:21
20M
20.00 mi14:38:443:20:2910:0113:53
10:13
+0:06
21M
21.00 mi14:49:143:30:5910:0310:30
10:30
+0:17
35K
21.75 mi14:56:403:38:2510:037:26
9:56
-0:34
23M
23.00 mi15:09:393:51:2410:0412:59
10:22
+0:26
24M
24.00 mi15:19:584:01:4310:0410:19
10:19
-0:03
40K
24.85 mi15:28:554:10:4010:058:57
10:28
+0:09
25.2M
25.20 mi15:32:454:14:3010:063:50
11:07
+0:39
Finish
26.22 mi15:42:524:24:3710:0610:07
9:56
-1:11

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

9:46 /mi

Average Pace

10:06 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:20:47

99% of race

Time at Steady Pace

3:50

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:06 /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 mi11:51:2533:1010:4133:10
10:41
#25127
10K
6.21 mi12:21:471:03:3210:1330:22
9:46
#24118
15K
9.32 mi12:52:091:33:5410:0430:22
9:46
#23753
20K
12.43 mi13:22:532:04:3810:0230:44
9:54
#23489
Half
13.11 mi13:29:432:11:2810:026:50
10:01
#23475
25K
15.53 mi13:53:252:35:109:5923:42
9:46
#23179
30K
18.64 mi14:24:513:06:3610:0131:26
10:07
#22817
20M
20.00 mi14:38:443:20:2910:0113:53
10:13
#22692
21M
21.00 mi14:49:143:30:5910:0310:30
10:30
#22539
35K
21.75 mi14:56:403:38:2510:037:26
9:56
#22479
23M
23.00 mi15:09:393:51:2410:0412:59
10:22
#22393
24M
24.00 mi15:19:584:01:4310:0410:19
10:19
#22370
40K
24.85 mi15:28:554:10:4010:058:57
10:28
#22316
25.2M
25.20 mi15:32:454:14:3010:063:50
11:07
#22287
Finish
26.22 mi15:42:524:24:3710:0610:07
9:56
#22277
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25127105041050422990(Top 86%)9339(Top 82%)9339(Top 191%)
10K6.21 mi3.10 mi24118+10099957+5479957+54723224(Top 87%)9461(Top 83%)9461(Top 194%)
15K9.32 mi3.11 mi23753+3659751+2069751+20622990(Top 86%)9339(Top 82%)9339(Top 191%)
20K12.43 mi3.11 mi23489+2649596+1559596+15522622(Top 85%)9150(Top 80%)9150(Top 187%)
Half13.11 mi0.68 mi23475+149593+39593+323306(Top 88%)9515(Top 83%)9515(Top 195%)
25K15.53 mi2.42 mi23179+2969450+1439450+14321677(Top 81%)8657(Top 76%)8657(Top 177%)
30K18.64 mi3.11 mi22817+3629290+1609290+16021334(Top 80%)8537(Top 75%)8537(Top 175%)
20M20.00 mi1.36 mi22692+1259240+509240+5021079(Top 79%)8457(Top 74%)8457(Top 173%)
21M21.00 mi1.00 mi22539+1539161+799161+7919620(Top 74%)7718(Top 68%)7718(Top 158%)
35K21.75 mi0.75 mi22479+609132+299132+2921134(Top 79%)8563(Top 75%)8563(Top 175%)
23M23.00 mi1.25 mi22393+869091+419091+4121011(Top 79%)8533(Top 75%)8533(Top 175%)
24M24.00 mi1.00 mi22370+239086+59086+521616(Top 81%)8904(Top 78%)8904(Top 182%)
40K24.85 mi0.85 mi22316+549062+249062+2421151(Top 79%)8698(Top 76%)8698(Top 178%)
25.2M25.20 mi0.35 mi22287+299048+149048+1420756(Top 78%)8462(Top 74%)8462(Top 173%)
Finish26.22 mi1.02 mi22277+109055-79055-721574(Top 81%)8895(Top 78%)8895(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22990

Females

9339

F18-39

9339

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23224

Females

9461

F18-39

9461

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22990

Females

9339

F18-39

9339

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22622

Females

9150

F18-39

9150

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23306

Females

9515

F18-39

9515

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21677

Females

8657

F18-39

8657

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21334

Females

8537

F18-39

8537

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

21079

Females

8457

F18-39

8457

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19620

Females

7718

F18-39

7718

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

21134

Females

8563

F18-39

8563

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

21011

Females

8533

F18-39

8533

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21616

Females

8904

F18-39

8904

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21151

Females

8698

F18-39

8698

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20756

Females

8462

F18-39

8462

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21574

Females

8895

F18-39

8895

Passing Analysis

Category:
Athletes Passed
3012
Passed By
162
Net Change
+2850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25127
5K → 10K10112+1009#25127#24118
10K → 15K37611+365#24118#23753
15K → 20K28218+264#23753#23489
20K → Half3420+14#23489#23475
Half → 25K3059+296#23475#23179
25K → 30K3675+362#23179#22817
30K → 20M13510+125#22817#22692
20M → 21M1585+153#22692#22539
21M → 35K655+60#22539#22479
35K → 23M10317+86#22479#22393
23M → 24M4320+23#22393#22370
24M → 40K6814+54#22370#22316
40K → 25.2M323+29#22316#22287
25.2M → Finish3323+10#22287#22277
TOTALS3012162+2850
📊

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