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BOSTON MARATHON 2023

Vanessa Grichine

Bib: 16544•F

CA

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
31:32
Rank: #23809
Start → 5K
31:32 | 10:09/mi
10K· 6.21 mi
1:01:37
Rank: #23424 (+385)
5K → 10K
30:05 | 9:41/mi
15K· 9.32 mi
1:32:38
Rank: #23471 (-47)
10K → 15K
31:01 | 9:59/mi
20K· 12.43 mi
2:05:41
Rank: #23672 (-201)
15K → 20K
33:03 | 10:38/mi
Half· 13.11 mi
2:12:38
Rank: #23664 (+8)
20K → Half
6:57 | 10:11/mi
25K· 15.53 mi
2:38:49
Rank: #23642 (+22)
Half → 25K
26:11 | 10:48/mi
30K· 18.64 mi
3:14:14
Rank: #23648 (-6)
25K → 30K
35:25 | 11:24/mi
20M
3:29:59
Rank: #23641 (+7)
30K → 20M
15:45 | 11:35/mi
21M
3:42:16
Rank: #23630 (+11)
20M → 21M
12:17 | 12:17/mi
35K· 21.75 mi
3:50:24
Rank: #23616 (+14)
21M → 35K
8:08 | 10:52/mi
23M
4:05:41
Rank: #23697 (-81)
35K → 23M
15:17 | 12:12/mi
24M
4:16:35
Rank: #23662 (+35)
23M → 24M
10:54 | 10:54/mi
40K· 24.85 mi
4:26:59
Rank: #23700 (-38)
24M → 40K
10:24 | 12:10/mi
25.2M
4:31:37
Rank: #23722 (-22)
40K → 25.2M
4:38 | 13:26/mi
Finish· 26.22 mi
4:43:19
Rank: #23771 (-49)
25.2M → Finish
11:42 | 11:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:38
Pace10:07 /mi
2nd Half
Distance13.11 mi
Time2:30:41
Pace11:30 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1931:3210:0931:32
10:09
-
10K
6.21 mi12:21:241:01:379:5530:05
9:41
-0:28
15K
9.32 mi12:52:251:32:389:5631:01
9:59
+0:18
20K
12.43 mi13:25:282:05:4110:0733:03
10:38
+0:39
Half
13.11 mi13:32:252:12:3810:076:57
10:11
-0:27
25K
15.53 mi13:58:362:38:4910:1326:11
10:48
+0:37
30K
18.64 mi14:34:013:14:1410:2535:25
11:24
+0:36
20M
20.00 mi14:49:463:29:5910:3015:45
11:35
+0:11
21M
21.00 mi15:02:033:42:1610:3512:17
12:17
+0:42
35K
21.75 mi15:10:113:50:2410:368:08
10:52
-1:25
23M
23.00 mi15:25:284:05:4110:4115:17
12:12
+1:20
24M
24.00 mi15:36:224:16:3510:4110:54
10:54
-1:18
40K
24.85 mi15:46:464:26:5910:4510:24
12:10
+1:16
25.2M
25.20 mi15:51:244:31:3710:474:38
13:26
+1:16
Finish
26.22 mi16:03:064:43:1910:4911:42
11:29
-1:57

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

9:41 /mi

Average Pace

10:49 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:35

35% of race

Time at Steady Pace

1:18:16

28% of race

Time at Slower Pace

1:45:28

37% of race

Average Pace: 10:48 /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 mi11:51:1931:3210:0931:32
10:09
#23809
10K
6.21 mi12:21:241:01:379:5530:05
9:41
#23424
15K
9.32 mi12:52:251:32:389:5631:01
9:59
#23471
20K
12.43 mi13:25:282:05:4110:0733:03
10:38
#23672
Half
13.11 mi13:32:252:12:3810:076:57
10:11
#23664
25K
15.53 mi13:58:362:38:4910:1326:11
10:48
#23642
30K
18.64 mi14:34:013:14:1410:2535:25
11:24
#23648
20M
20.00 mi14:49:463:29:5910:3015:45
11:35
#23641
21M
21.00 mi15:02:033:42:1610:3512:17
12:17
#23630
35K
21.75 mi15:10:113:50:2410:368:08
10:52
#23616
23M
23.00 mi15:25:284:05:4110:4115:17
12:12
#23697
24M
24.00 mi15:36:224:16:3510:4110:54
10:54
#23662
40K
24.85 mi15:46:464:26:5910:4510:24
12:10
#23700
25.2M
25.20 mi15:51:244:31:3710:474:38
13:26
#23722
Finish
26.22 mi16:03:064:43:1910:4911:42
11:29
#23771
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi238099795979523475(Top 88%)9596(Top 84%)9596(Top 196%)
10K6.21 mi3.10 mi23424+3859586+2099586+20923015(Top 86%)9339(Top 82%)9339(Top 191%)
15K9.32 mi3.11 mi23471-479596-109596-1023475(Top 88%)9596(Top 84%)9596(Top 196%)
20K12.43 mi3.11 mi23672-2019713-1179713-11724081(Top 90%)9956(Top 87%)9956(Top 204%)
Half13.11 mi0.68 mi23664+89703+109703+1023665(Top 89%)9721(Top 85%)9721(Top 199%)
25K15.53 mi2.42 mi23642+229699+49699+423672(Top 89%)9772(Top 86%)9772(Top 200%)
30K18.64 mi3.11 mi23648-69723-249723-2423723(Top 89%)9851(Top 86%)9851(Top 202%)
20M20.00 mi1.36 mi23641+79731-89731-823662(Top 89%)9875(Top 86%)9875(Top 202%)
21M21.00 mi1.00 mi23630+119734-39734-323177(Top 87%)9641(Top 84%)9641(Top 197%)
35K21.75 mi0.75 mi23616+149729+59729+523083(Top 87%)9637(Top 84%)9637(Top 197%)
23M23.00 mi1.25 mi23697-819784-559784-5524257(Top 91%)10266(Top 90%)10266(Top 210%)
24M24.00 mi1.00 mi23662+359778+69778+622865(Top 86%)9562(Top 84%)9562(Top 196%)
40K24.85 mi0.85 mi23700-389805-279805-2724085(Top 90%)10217(Top 89%)10217(Top 209%)
25.2M25.20 mi0.35 mi23722-229819-149819-1424467(Top 92%)10416(Top 91%)10416(Top 213%)
Finish26.22 mi1.02 mi23771-499853-349853-3424658(Top 93%)10484(Top 92%)10484(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

23475

Females

9596

F18-39

9596

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

23015

Females

9339

F18-39

9339

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

23475

Females

9596

F18-39

9596

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

24081

Females

9956

F18-39

9956

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23665

Females

9721

F18-39

9721

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23672

Females

9772

F18-39

9772

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

23723

Females

9851

F18-39

9851

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

23662

Females

9875

F18-39

9875

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

23177

Females

9641

F18-39

9641

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23083

Females

9637

F18-39

9637

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24257

Females

10266

F18-39

10266

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22865

Females

9562

F18-39

9562

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24085

Females

10217

F18-39

10217

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24467

Females

10416

F18-39

10416

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

24658

Females

10484

F18-39

10484

Passing Analysis

Category:
Athletes Passed
1106
Passed By
1068
Net Change
+38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23809
5K → 10K46782+385#23809#23424
10K → 15K108155-47#23424#23471
15K → 20K65266-201#23471#23672
20K → Half2719+8#23672#23664
Half → 25K9270+22#23664#23642
25K → 30K101107-6#23642#23648
30K → 20M6053+7#23648#23641
20M → 21M4635+11#23641#23630
21M → 35K3117+14#23630#23616
35K → 23M21102-81#23616#23697
23M → 24M5217+35#23697#23662
24M → 40K1755-38#23662#23700
40K → 25.2M830-22#23700#23722
25.2M → Finish1160-49#23722#23771
TOTALS11061068+38
📊

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