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BOSTON MARATHON 2023

Emily Valovcin

Bib: 31243•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:51/mi
27:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:40/mi
54:26
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:21:58
↑ 67↓ 78
20K· 12.43 mi
8:51/mi
1:49:29
↑ 106↓ 860.1%
Half· 13.11 mi
8:46/mi
1:55:28
↑ 19↓ 370.5%
25K· 15.53 mi
9:14/mi
2:17:52
↑ 66↓ 880.2%
30K· 18.64 mi
9:31/mi
2:47:25
↑ 181↓ 1480.2%
20M
10:00/mi
3:01:01
↑ 64↓ 500.2%
21M
11:32/mi
3:12:33
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
3:19:41
↑ 17↓ 861.7%
23M
9:56/mi
3:32:07
↑ 23↓ 630.6%
24M
9:50/mi
3:41:57
↓ 821.3%
40K· 24.85 mi
10:44/mi
3:51:08
↓ 200.3%
25.2M
11:10/mi
3:54:59
↑ 13↓ 160.2%
Finish· 26.22 mi
9:16/mi
4:04:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:28
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:08:58
Pace9:50 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0527:318:5127:31
8:51
-
10K
6.21 mi12:13:0054:268:4626:55
8:40
-0:11
15K
9.32 mi12:40:321:21:588:4827:32
8:52
+0:12
20K
12.43 mi13:08:031:49:298:4927:31
8:51
-0:01
Half
13.11 mi13:14:021:55:288:485:59
8:46
-0:05
25K
15.53 mi13:36:262:17:528:5222:24
9:14
+0:28
30K
18.64 mi14:05:592:47:258:5929:33
9:31
+0:17
20M
20.00 mi14:19:353:01:019:0313:36
10:00
+0:29
21M
21.00 mi14:31:073:12:339:1011:32
11:32
+1:32
35K
21.75 mi14:38:153:19:419:117:08
9:32
-2:00
23M
23.00 mi14:50:413:32:079:1312:26
9:56
+0:24
24M
24.00 mi15:00:313:41:579:159:50
9:50
-0:06
40K
24.85 mi15:09:423:51:089:189:11
10:44
+0:54
25.2M
25.20 mi15:13:333:54:599:193:51
11:10
+0:26
Finish
26.22 mi15:23:004:04:269:209:27
9:16
-1:54

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

8:40 /mi

Average Pace

9:20 /mi

Slowest Pace

11:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:28

47% of race

Time at Steady Pace

1:30:48

37% of race

Time at Slower Pace

38:10

16% of race

Average Pace: 9:19 /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 mi11:46:0527:318:5127:31
8:51
#19790
10K
6.21 mi12:13:0054:268:4626:55
8:40
#19465
15K
9.32 mi12:40:321:21:588:4827:32
8:52
#19581
20K
12.43 mi13:08:031:49:298:4927:31
8:51
#19373
Half
13.11 mi13:14:021:55:288:485:59
8:46
#19368
25K
15.53 mi13:36:262:17:528:5222:24
9:14
#19498
30K
18.64 mi14:05:592:47:258:5929:33
9:31
#19502
20M
20.00 mi14:19:353:01:019:0313:36
10:00
#19606
21M
21.00 mi14:31:073:12:339:1011:32
11:32
#19801
35K
21.75 mi14:38:153:19:419:117:08
9:32
#19812
23M
23.00 mi14:50:413:32:079:1312:26
9:56
#19823
24M
24.00 mi15:00:313:41:579:159:50
9:50
#19860
40K
24.85 mi15:09:423:51:089:189:11
10:44
#19980
25.2M
25.20 mi15:13:333:54:599:193:51
11:10
#19994
Finish
26.22 mi15:23:004:04:269:209:27
9:16
#19968
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi197907687768719859(Top 75%)7608(Top 67%)7608(Top 156%)
10K6.21 mi3.10 mi19465+3257442+2457442+24519226(Top 72%)7217(Top 63%)7217(Top 148%)
15K9.32 mi3.11 mi19581-1167500-587500-5819859(Top 75%)7608(Top 67%)7608(Top 156%)
20K12.43 mi3.11 mi19373+2087355+1457355+14518992(Top 71%)7084(Top 62%)7084(Top 145%)
Half13.11 mi0.68 mi19368+57348+77348+719392(Top 73%)7325(Top 64%)7325(Top 150%)
25K15.53 mi2.42 mi19498-1307420-727420-7219989(Top 75%)7685(Top 67%)7685(Top 157%)
30K18.64 mi3.11 mi19502-47429-97429-919484(Top 73%)7462(Top 65%)7462(Top 153%)
20M20.00 mi1.36 mi19606-1047505-767505-7620512(Top 77%)8139(Top 71%)8139(Top 167%)
21M21.00 mi1.00 mi19801-1957624-1197624-11921932(Top 82%)8956(Top 78%)8956(Top 183%)
35K21.75 mi0.75 mi19812-117639-157639-1519971(Top 75%)7915(Top 69%)7915(Top 162%)
23M23.00 mi1.25 mi19823-117660-217660-2119786(Top 74%)7839(Top 69%)7839(Top 161%)
24M24.00 mi1.00 mi19860-377689-297689-2920336(Top 76%)8172(Top 72%)8172(Top 167%)
40K24.85 mi0.85 mi19980-1207775-867775-8621815(Top 82%)9048(Top 79%)9048(Top 185%)
25.2M25.20 mi0.35 mi19994-147786-117786-1120842(Top 78%)8494(Top 74%)8494(Top 174%)
Finish26.22 mi1.02 mi19968+267776+107776+1019274(Top 72%)7599(Top 67%)7599(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19859

Females

7608

F18-39

7608

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19226

Females

7217

F18-39

7217

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19859

Females

7608

F18-39

7608

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18992

Females

7084

F18-39

7084

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

19392

Females

7325

F18-39

7325

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19989

Females

7685

F18-39

7685

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

19484

Females

7462

F18-39

7462

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

20512

Females

8139

F18-39

8139

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21932

Females

8956

F18-39

8956

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19971

Females

7915

F18-39

7915

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19786

Females

7839

F18-39

7839

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20336

Females

8172

F18-39

8172

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21815

Females

9048

F18-39

9048

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20842

Females

8494

F18-39

8494

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19274

Females

7599

F18-39

7599

Passing Analysis

Category:
Athletes Passed
1536
Passed By
1714
Net Change
-178
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19790
5K → 10K516191+325#19790#19465
10K → 15K138254-116#19465#19581
15K → 20K26860+208#19581#19373
20K → Half3025+5#19373#19368
Half → 25K81211-130#19368#19498
25K → 30K164168-4#19498#19502
30K → 20M55159-104#19502#19606
20M → 21M36231-195#19606#19801
21M → 35K4556-11#19801#19812
35K → 23M6677-11#19812#19823
23M → 24M4178-37#19823#19860
24M → 40K23143-120#19860#19980
40K → 25.2M1428-14#19980#19994
25.2M → Finish5933+26#19994#19968
TOTALS15361714-178
📊

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