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BOSTON MARATHON 2023

Ariel Schwartz

Bib: 31416•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 36%
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
7:50/mi
24:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
48:09
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:11:39
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:35:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:40:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:59/mi
2:00:06
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:24:53
↑ 181↓ 1480.2%
20M
7:55/mi
2:35:38
↑ 64↓ 500.2%
21M
8:12/mi
2:43:50
↑ 106↓ 241.6%
35K· 21.75 mi
7:26/mi
2:49:24
↑ 17↓ 861.7%
23M
7:50/mi
2:59:13
↑ 23↓ 630.6%
24M
7:42/mi
3:06:55
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:13:40
↓ 200.3%
25.2M
8:36/mi
3:16:38
↑ 13↓ 160.2%
Finish· 26.22 mi
7:49/mi
3:24:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:44
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:43:52
Pace7:55 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5924:197:5024:19
7:50
-
10K
6.21 mi12:08:4948:097:4523:50
7:40
-0:10
15K
9.32 mi12:32:191:11:397:4123:30
7:34
-0:06
20K
12.43 mi12:56:081:35:287:4123:49
7:40
+0:06
Half
13.11 mi13:01:241:40:447:415:16
7:43
+0:03
25K
15.53 mi13:20:462:00:067:4419:22
7:59
+0:16
30K
18.64 mi13:45:332:24:537:4624:47
7:59
0:00
20M
20.00 mi13:56:182:35:387:4710:45
7:55
-0:04
21M
21.00 mi14:04:302:43:507:488:12
8:12
+0:17
35K
21.75 mi14:10:042:49:247:475:34
7:26
-0:46
23M
23.00 mi14:19:532:59:137:489:49
7:50
+0:24
24M
24.00 mi14:27:353:06:557:477:42
7:42
-0:08
40K
24.85 mi14:34:203:13:407:486:45
7:54
+0:12
25.2M
25.20 mi14:37:183:16:387:482:58
8:36
+0:42
Finish
26.22 mi14:45:163:24:367:497:58
7:49
-0:47

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

7:26 /mi

Average Pace

7:49 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:26

95% of race

Time at Steady Pace

11:10

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi11:44:5924:197:5024:19
7:50
#12619
10K
6.21 mi12:08:4948:097:4523:50
7:40
#12259
15K
9.32 mi12:32:191:11:397:4123:30
7:34
#11675
20K
12.43 mi12:56:081:35:287:4123:49
7:40
#11367
Half
13.11 mi13:01:241:40:447:415:16
7:43
#11401
25K
15.53 mi13:20:462:00:067:4419:22
7:59
#11538
30K
18.64 mi13:45:332:24:537:4624:47
7:59
#11369
20M
20.00 mi13:56:182:35:387:4710:45
7:55
#11202
21M
21.00 mi14:04:302:43:507:488:12
8:12
#11016
35K
21.75 mi14:10:042:49:247:475:34
7:26
#10892
23M
23.00 mi14:19:532:59:137:489:49
7:50
#10747
24M
24.00 mi14:27:353:06:557:477:42
7:42
#10656
40K
24.85 mi14:34:203:13:407:486:45
7:54
#10563
25.2M
25.20 mi14:37:183:16:387:482:58
8:36
#10545
Finish
26.22 mi14:45:163:24:367:497:58
7:49
#10536
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126193225322510728(Top 40%)2197(Top 19%)2197(Top 45%)
10K6.21 mi3.10 mi12259+3603007+2183007+21811999(Top 45%)2870(Top 25%)2870(Top 59%)
15K9.32 mi3.11 mi11675+5842708+2992708+29910728(Top 40%)2197(Top 19%)2197(Top 45%)
20K12.43 mi3.11 mi11367+3082535+1732535+17310649(Top 40%)2229(Top 20%)2229(Top 46%)
Half13.11 mi0.68 mi11401-342565-302565-3012048(Top 45%)2926(Top 26%)2926(Top 60%)
25K15.53 mi2.42 mi11538-1372659-942659-9412643(Top 47%)3435(Top 30%)3435(Top 70%)
30K18.64 mi3.11 mi11369+1692618+412618+4110713(Top 40%)2498(Top 22%)2498(Top 51%)
20M20.00 mi1.36 mi11202+1672545+732545+739657(Top 36%)2092(Top 18%)2092(Top 43%)
21M21.00 mi1.00 mi11016+1862469+762469+768648(Top 32%)1777(Top 16%)1777(Top 36%)
35K21.75 mi0.75 mi10892+1242420+492420+498163(Top 31%)1581(Top 14%)1581(Top 32%)
23M23.00 mi1.25 mi10747+1452381+392381+398712(Top 33%)1895(Top 17%)1895(Top 39%)
24M24.00 mi1.00 mi10656+912352+292352+299120(Top 34%)2164(Top 19%)2164(Top 44%)
40K24.85 mi0.85 mi10563+932344+82344+89339(Top 35%)2321(Top 20%)2321(Top 48%)
25.2M25.20 mi0.35 mi10545+182343+12343+110209(Top 38%)2789(Top 24%)2789(Top 57%)
Finish26.22 mi1.02 mi10536+92368-252368-2510819(Top 41%)3093(Top 27%)3093(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10728

Females

2197

F18-39

2197

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

11999

Females

2870

F18-39

2870

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10728

Females

2197

F18-39

2197

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10649

Females

2229

F18-39

2229

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12048

Females

2926

F18-39

2926

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12643

Females

3435

F18-39

3435

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10713

Females

2498

F18-39

2498

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9657

Females

2092

F18-39

2092

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8648

Females

1777

F18-39

1777

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8163

Females

1581

F18-39

1581

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8712

Females

1895

F18-39

1895

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9120

Females

2164

F18-39

2164

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9339

Females

2321

F18-39

2321

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10209

Females

2789

F18-39

2789

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10819

Females

3093

F18-39

3093

Passing Analysis

Category:
Athletes Passed
2888
Passed By
805
Net Change
+2083
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12619
5K → 10K528168+360#12619#12259
10K → 15K61228+584#12259#11675
15K → 20K34537+308#11675#11367
20K → Half2357-34#11367#11401
Half → 25K80217-137#11401#11538
25K → 30K26697+169#11538#11369
30K → 20M19528+167#11369#11202
20M → 21M1959+186#11202#11016
21M → 35K1262+124#11016#10892
35K → 23M17126+145#10892#10747
23M → 24M11625+91#10747#10656
24M → 40K11421+93#10656#10563
40K → 25.2M3719+18#10563#10545
25.2M → Finish8071+9#10545#10536
TOTALS2888805+2083
📊

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