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BOSTON MARATHON 2023

Marina Russo

Bib: 26978•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
33:19
Rank: #25238
Start → 5K
33:19 | 10:43/mi
10K· 6.21 mi
1:03:38
Rank: #24141 (+1097)
5K → 10K
30:19 | 9:45/mi
15K· 9.32 mi
1:34:09
Rank: #23807 (+334)
10K → 15K
30:31 | 9:49/mi
20K· 12.43 mi
2:04:48
Rank: #23516 (+291)
15K → 20K
30:39 | 9:52/mi
Half· 13.11 mi
2:11:24
Rank: #23464 (+52)
20K → Half
6:36 | 9:40/mi
25K· 15.53 mi
2:35:04
Rank: #23162 (+302)
Half → 25K
23:40 | 9:46/mi
30K· 18.64 mi
3:05:48
Rank: #22734 (+428)
25K → 30K
30:44 | 9:54/mi
20M
3:19:06
Rank: #22534 (+200)
30K → 20M
13:18 | 9:47/mi
21M
3:29:26
Rank: #22360 (+174)
20M → 21M
10:20 | 10:20/mi
35K· 21.75 mi
3:36:20
Rank: #22246 (+114)
21M → 35K
6:54 | 9:13/mi
23M
3:48:26
Rank: #22084 (+162)
35K → 23M
12:06 | 9:40/mi
24M
3:58:14
Rank: #22005 (+79)
23M → 24M
9:48 | 9:48/mi
40K· 24.85 mi
4:06:10
Rank: #21876 (+129)
24M → 40K
7:56 | 9:17/mi
25.2M
4:09:57
Rank: #21860 (+16)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
4:19:24
Rank: #21784 (+76)
25.2M → Finish
9:27 | 9:16/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:11:24
Pace10:01 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:08:00
Pace9:46 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4133:1910:4333:19
10:43
-
10K
6.21 mi12:20:001:03:3810:1430:19
9:45
-0:58
15K
9.32 mi12:50:311:34:0910:0630:31
9:49
+0:04
20K
12.43 mi13:21:102:04:4810:0330:39
9:52
+0:03
Half
13.11 mi13:27:462:11:2410:016:36
9:40
-0:12
25K
15.53 mi13:51:262:35:049:5923:40
9:46
+0:06
30K
18.64 mi14:22:103:05:489:5830:44
9:54
+0:08
20M
20.00 mi14:35:283:19:069:5713:18
9:47
-0:07
21M
21.00 mi14:45:483:29:269:5810:20
10:20
+0:33
35K
21.75 mi14:52:423:36:209:576:54
9:13
-1:07
23M
23.00 mi15:04:483:48:269:5612:06
9:40
+0:27
24M
24.00 mi15:14:363:58:149:569:48
9:48
+0:08
40K
24.85 mi15:22:324:06:109:547:56
9:17
-0:31
25.2M
25.20 mi15:26:194:09:579:553:47
10:58
+1:41
Finish
26.22 mi15:35:464:19:249:549:27
9:16
-1:42

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

9:13 /mi

Average Pace

9:54 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:58

82% of race

Time at Steady Pace

43:39

17% of race

Time at Slower Pace

3:47

1% of race

Average Pace: 9:54 /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 mi11:49:4133:1910:4333:19
10:43
#25238
10K
6.21 mi12:20:001:03:3810:1430:19
9:45
#24141
15K
9.32 mi12:50:311:34:0910:0630:31
9:49
#23807
20K
12.43 mi13:21:102:04:4810:0330:39
9:52
#23516
Half
13.11 mi13:27:462:11:2410:016:36
9:40
#23464
25K
15.53 mi13:51:262:35:049:5923:40
9:46
#23162
30K
18.64 mi14:22:103:05:489:5830:44
9:54
#22734
20M
20.00 mi14:35:283:19:069:5713:18
9:47
#22534
21M
21.00 mi14:45:483:29:269:5810:20
10:20
#22360
35K
21.75 mi14:52:423:36:209:576:54
9:13
#22246
23M
23.00 mi15:04:483:48:269:5612:06
9:40
#22084
24M
24.00 mi15:14:363:58:149:569:48
9:48
#22005
40K
24.85 mi15:22:324:06:109:547:56
9:17
#21876
25.2M
25.20 mi15:26:194:09:579:553:47
10:58
#21860
Finish
26.22 mi15:35:464:19:249:549:27
9:16
#21784
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25238105691056923109(Top 87%)9404(Top 82%)9404(Top 193%)
10K6.21 mi3.10 mi24141+10979966+6039966+60323184(Top 87%)9435(Top 83%)9435(Top 193%)
15K9.32 mi3.11 mi23807+3349786+1809786+18023109(Top 87%)9404(Top 82%)9404(Top 193%)
20K12.43 mi3.11 mi23516+2919616+1709616+17022561(Top 85%)9117(Top 80%)9117(Top 187%)
Half13.11 mi0.68 mi23464+529585+319585+3122596(Top 85%)9127(Top 80%)9127(Top 187%)
25K15.53 mi2.42 mi23162+3029444+1419444+14121648(Top 81%)8641(Top 76%)8641(Top 177%)
30K18.64 mi3.11 mi22734+4289249+1959249+19520736(Top 78%)8191(Top 72%)8191(Top 168%)
20M20.00 mi1.36 mi22534+2009156+939156+9319831(Top 74%)7769(Top 68%)7769(Top 159%)
21M21.00 mi1.00 mi22360+1749064+929064+9219143(Top 72%)7429(Top 65%)7429(Top 152%)
35K21.75 mi0.75 mi22246+1148998+668998+6618884(Top 71%)7338(Top 64%)7338(Top 150%)
23M23.00 mi1.25 mi22084+1628920+788920+7818979(Top 71%)7401(Top 65%)7401(Top 152%)
24M24.00 mi1.00 mi22005+798881+398881+3920255(Top 76%)8129(Top 71%)8129(Top 166%)
40K24.85 mi0.85 mi21876+1298827+548827+5417470(Top 66%)6679(Top 58%)6679(Top 137%)
25.2M25.20 mi0.35 mi21860+168821+68821+620427(Top 77%)8284(Top 73%)8284(Top 170%)
Finish26.22 mi1.02 mi21784+768784+378784+3719282(Top 72%)7607(Top 67%)7607(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23109

Females

9404

F18-39

9404

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23184

Females

9435

F18-39

9435

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23109

Females

9404

F18-39

9404

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22561

Females

9117

F18-39

9117

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22596

Females

9127

F18-39

9127

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21648

Females

8641

F18-39

8641

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20736

Females

8191

F18-39

8191

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19831

Females

7769

F18-39

7769

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19143

Females

7429

F18-39

7429

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18884

Females

7338

F18-39

7338

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18979

Females

7401

F18-39

7401

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20255

Females

8129

F18-39

8129

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17470

Females

6679

F18-39

6679

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20427

Females

8284

F18-39

8284

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

19282

Females

7607

F18-39

7607

Passing Analysis

Category:
Athletes Passed
3536
Passed By
82
Net Change
+3454
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25238
5K → 10K10981+1097#25238#24141
10K → 15K35016+334#24141#23807
15K → 20K30817+291#23807#23516
20K → Half586+52#23516#23464
Half → 25K31210+302#23464#23162
25K → 30K4302+428#23162#22734
30K → 20M2000+200#22734#22534
20M → 21M1751+174#22534#22360
21M → 35K1151+114#22360#22246
35K → 23M1664+162#22246#22084
23M → 24M889+79#22084#22005
24M → 40K1290+129#22005#21876
40K → 25.2M226+16#21876#21860
25.2M → Finish859+76#21860#21784
TOTALS353682+3454
📊

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