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BOSTON MARATHON 2023

Arielle Chernin

Bib: 27988•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
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
7:52/mi
24:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
48:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:12:58
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:37:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:42:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
2:01:06
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:25:53
↑ 181↓ 1480.2%
20M
8:01/mi
2:36:46
↑ 64↓ 500.2%
21M
9:27/mi
2:46:13
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
2:52:45
↑ 17↓ 861.7%
23M
8:55/mi
3:03:55
↑ 23↓ 630.6%
24M
8:28/mi
3:12:23
↓ 821.3%
40K· 24.85 mi
12:10/mi
3:22:47
↓ 200.3%
25.2M
11:21/mi
3:26:42
↑ 13↓ 160.2%
Finish· 26.22 mi
9:13/mi
3:36:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:23
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:53:43
Pace8:40 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:4224:267:5224:26
7:52
-
10K
6.21 mi12:04:5248:367:4924:10
7:47
-0:05
15K
9.32 mi12:29:141:12:587:5024:22
7:51
+0:04
20K
12.43 mi12:53:281:37:127:4924:14
7:48
-0:03
Half
13.11 mi12:58:391:42:237:495:11
7:36
-0:12
25K
15.53 mi13:17:222:01:067:4818:43
7:43
+0:07
30K
18.64 mi13:42:092:25:537:5024:47
7:59
+0:16
20M
20.00 mi13:53:022:36:467:5010:53
8:01
+0:02
21M
21.00 mi14:02:292:46:137:559:27
9:27
+1:26
35K
21.75 mi14:09:012:52:457:576:32
8:44
-0:43
23M
23.00 mi14:20:113:03:558:0011:10
8:55
+0:11
24M
24.00 mi14:28:393:12:238:018:28
8:28
-0:27
40K
24.85 mi14:39:033:22:478:1010:24
12:10
+3:42
25.2M
25.20 mi14:42:583:26:428:123:55
11:21
-0:49
Finish
26.22 mi14:52:223:36:068:159:24
9:13
-2:08

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

7:36 /mi

Average Pace

8:15 /mi

Slowest Pace

12:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:45:14

76% of race

Time at Slower Pace

50:52

24% of race

Average Pace: 8:15 /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 mi11:40:4224:267:5224:26
7:52
#12970
10K
6.21 mi12:04:5248:367:4924:10
7:47
#12909
15K
9.32 mi12:29:141:12:587:5024:22
7:51
#12962
20K
12.43 mi12:53:281:37:127:4924:14
7:48
#12598
Half
13.11 mi12:58:391:42:237:495:11
7:36
#12498
25K
15.53 mi13:17:222:01:067:4818:43
7:43
#12148
30K
18.64 mi13:42:092:25:537:5024:47
7:59
#11831
20M
20.00 mi13:53:022:36:467:5010:53
8:01
#11703
21M
21.00 mi14:02:292:46:137:559:27
9:27
#11994
35K
21.75 mi14:09:012:52:457:576:32
8:44
#12178
23M
23.00 mi14:20:113:03:558:0011:10
8:55
#12426
24M
24.00 mi14:28:393:12:238:018:28
8:28
#12503
40K
24.85 mi14:39:033:22:478:1010:24
12:10
#13449
25.2M
25.20 mi14:42:583:26:428:123:55
11:21
#13671
Finish
26.22 mi14:52:223:36:068:159:24
9:13
#13942
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi129703422342213087(Top 49%)3531(Top 31%)3531(Top 72%)
10K6.21 mi3.10 mi12909+613390+323390+3212966(Top 49%)3412(Top 30%)3412(Top 70%)
15K9.32 mi3.11 mi12962-533437-473437-4713087(Top 49%)3531(Top 31%)3531(Top 72%)
20K12.43 mi3.11 mi12598+3643261+1763261+17611772(Top 44%)2835(Top 25%)2835(Top 58%)
Half13.11 mi0.68 mi12498+1003201+603201+6011101(Top 42%)2443(Top 21%)2443(Top 50%)
25K15.53 mi2.42 mi12148+3503022+1793022+17910473(Top 39%)2220(Top 19%)2220(Top 45%)
30K18.64 mi3.11 mi11831+3172882+1402882+14010726(Top 40%)2511(Top 22%)2511(Top 51%)
20M20.00 mi1.36 mi11703+1282829+532829+5310379(Top 39%)2425(Top 21%)2425(Top 50%)
21M21.00 mi1.00 mi11994-2913009-1803009-18015734(Top 59%)5469(Top 48%)5469(Top 112%)
35K21.75 mi0.75 mi12178-1843132-1233132-12316592(Top 62%)6032(Top 53%)6032(Top 124%)
23M23.00 mi1.25 mi12426-2483290-1583290-15815632(Top 59%)5530(Top 48%)5530(Top 113%)
24M24.00 mi1.00 mi12503-773354-643354-6414296(Top 54%)4837(Top 42%)4837(Top 99%)
40K24.85 mi0.85 mi13449-9463929-5753929-57524080(Top 90%)10212(Top 89%)10212(Top 209%)
25.2M25.20 mi0.35 mi13671-2224070-1414070-14121251(Top 80%)8714(Top 76%)8714(Top 178%)
Finish26.22 mi1.02 mi13942-2714260-1904260-19019027(Top 71%)7443(Top 65%)7443(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13087

Females

3531

F18-39

3531

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

12966

Females

3412

F18-39

3412

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13087

Females

3531

F18-39

3531

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11772

Females

2835

F18-39

2835

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11101

Females

2443

F18-39

2443

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10473

Females

2220

F18-39

2220

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10726

Females

2511

F18-39

2511

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10379

Females

2425

F18-39

2425

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15734

Females

5469

F18-39

5469

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16592

Females

6032

F18-39

6032

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15632

Females

5530

F18-39

5530

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14296

Females

4837

F18-39

4837

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24080

Females

10212

F18-39

10212

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21251

Females

8714

F18-39

8714

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

19027

Females

7443

F18-39

7443

Passing Analysis

Category:
Athletes Passed
2063
Passed By
3035
Net Change
-972
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12970
5K → 10K342281+61#12970#12909
10K → 15K184237-53#12909#12962
15K → 20K41248+364#12962#12598
20K → Half1066+100#12598#12498
Half → 25K36010+350#12498#12148
25K → 30K36851+317#12148#11831
30K → 20M16335+128#11831#11703
20M → 21M19310-291#11703#11994
21M → 35K15199-184#11994#12178
35K → 23M34282-248#12178#12426
23M → 24M45122-77#12426#12503
24M → 40K2948-946#12503#13449
40K → 25.2M2224-222#13449#13671
25.2M → Finish11282-271#13671#13942
TOTALS20633035-972
📊

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