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BOSTON MARATHON 2023

Ilana Schnaufer

Bib: 14761•F

AK

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 24%
Division (F18-39)
#0 / 4884
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:23
Rank: #9875
Start → 5K
23:23 | 7:32/mi
10K· 6.21 mi
46:35
Rank: #10003 (-128)
5K → 10K
23:12 | 7:28/mi
15K· 9.32 mi
1:09:58
Rank: #10130 (-127)
10K → 15K
23:23 | 7:32/mi
20K· 12.43 mi
1:33:38
Rank: #10141 (-11)
15K → 20K
23:40 | 7:37/mi
Half· 13.11 mi
1:38:47
Rank: #10154 (-13)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:57:40
Rank: #10271 (-117)
Half → 25K
18:53 | 7:47/mi
30K· 18.64 mi
2:23:27
Rank: #10734 (-463)
25K → 30K
25:47 | 8:18/mi
20M
2:34:41
Rank: #10791 (-57)
30K → 20M
11:14 | 8:16/mi
21M
2:43:27
Rank: #10876 (-85)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:49:59
Rank: #11118 (-242)
21M → 35K
6:32 | 8:44/mi
23M
3:00:25
Rank: #11161 (-43)
35K → 23M
10:26 | 8:20/mi
24M
3:08:38
Rank: #11238 (-77)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:15:55
Rank: #11328 (-90)
24M → 40K
7:17 | 8:31/mi
25.2M
3:18:57
Rank: #11322 (+6)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:27:00
Rank: #11293 (+29)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:47
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:48:13
Pace8:15 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4723:237:3223:23
7:32
-
10K
6.21 mi11:15:5946:357:3023:12
7:28
-0:04
15K
9.32 mi11:39:221:09:587:3023:23
7:32
+0:04
20K
12.43 mi12:03:021:33:387:3223:40
7:37
+0:05
Half
13.11 mi12:08:111:38:477:325:09
7:33
-0:04
25K
15.53 mi12:27:041:57:407:3418:53
7:47
+0:14
30K
18.64 mi12:52:512:23:277:4225:47
8:18
+0:31
20M
20.00 mi13:04:052:34:417:4411:14
8:16
-0:02
21M
21.00 mi13:12:512:43:277:478:46
8:46
+0:30
35K
21.75 mi13:19:232:49:597:496:32
8:44
-0:02
23M
23.00 mi13:29:493:00:257:5110:26
8:20
-0:24
24M
24.00 mi13:38:023:08:387:528:13
8:13
-0:07
40K
24.85 mi13:45:193:15:557:537:17
8:31
+0:18
25.2M
25.20 mi13:48:213:18:577:543:02
8:48
+0:17
Finish
26.22 mi13:56:243:27:007:548:03
7:54
-0:54

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

7:28 /mi

Average Pace

7:54 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:43

61% of race

Time at Steady Pace

1:21:17

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi10:52:4723:237:3223:23
7:32
#9875
10K
6.21 mi11:15:5946:357:3023:12
7:28
#10003
15K
9.32 mi11:39:221:09:587:3023:23
7:32
#10130
20K
12.43 mi12:03:021:33:387:3223:40
7:37
#10141
Half
13.11 mi12:08:111:38:477:325:09
7:33
#10154
25K
15.53 mi12:27:041:57:407:3418:53
7:47
#10271
30K
18.64 mi12:52:512:23:277:4225:47
8:18
#10734
20M
20.00 mi13:04:052:34:417:4411:14
8:16
#10791
21M
21.00 mi13:12:512:43:277:478:46
8:46
#10876
35K
21.75 mi13:19:232:49:597:496:32
8:44
#11118
23M
23.00 mi13:29:493:00:257:5110:26
8:20
#11161
24M
24.00 mi13:38:023:08:387:528:13
8:13
#11238
40K
24.85 mi13:45:193:15:557:537:17
8:31
#11328
25.2M
25.20 mi13:48:213:18:577:543:02
8:48
#11322
Finish
26.22 mi13:56:243:27:007:548:03
7:54
#11293
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi98751801180110404(Top 39%)2031(Top 18%)2031(Top 42%)
10K6.21 mi3.10 mi10003-1281843-421843-4210215(Top 38%)1918(Top 17%)1918(Top 39%)
15K9.32 mi3.11 mi10130-1271878-351878-3510404(Top 39%)2031(Top 18%)2031(Top 42%)
20K12.43 mi3.11 mi10141-111895-171895-1710235(Top 38%)2020(Top 18%)2020(Top 41%)
Half13.11 mi0.68 mi10154-131912-171912-1710701(Top 40%)2239(Top 20%)2239(Top 46%)
25K15.53 mi2.42 mi10271-1171982-701982-7011019(Top 41%)2496(Top 22%)2496(Top 51%)
30K18.64 mi3.11 mi10734-4632269-2872269-28713025(Top 49%)3772(Top 33%)3772(Top 77%)
20M20.00 mi1.36 mi10791-572327-582327-5812146(Top 46%)3354(Top 29%)3354(Top 69%)
21M21.00 mi1.00 mi10876-852400-732400-7312071(Top 45%)3433(Top 30%)3433(Top 70%)
35K21.75 mi0.75 mi11118-2422530-1302530-13016589(Top 62%)6029(Top 53%)6029(Top 123%)
23M23.00 mi1.25 mi11161-432581-512581-5112135(Top 46%)3585(Top 31%)3585(Top 73%)
24M24.00 mi1.00 mi11238-772646-652646-6512734(Top 48%)3974(Top 35%)3974(Top 81%)
40K24.85 mi0.85 mi11328-902718-722718-7213473(Top 51%)4450(Top 39%)4450(Top 91%)
25.2M25.20 mi0.35 mi11322+62728-102728-1011355(Top 43%)3367(Top 29%)3367(Top 69%)
Finish26.22 mi1.02 mi11293+292736-82736-811408(Top 43%)3396(Top 30%)3396(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10404

Females

2031

F18-39

2031

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10215

Females

1918

F18-39

1918

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10404

Females

2031

F18-39

2031

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10235

Females

2020

F18-39

2020

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10701

Females

2239

F18-39

2239

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11019

Females

2496

F18-39

2496

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13025

Females

3772

F18-39

3772

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12146

Females

3354

F18-39

3354

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12071

Females

3433

F18-39

3433

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16589

Females

6029

F18-39

6029

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12135

Females

3585

F18-39

3585

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12734

Females

3974

F18-39

3974

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13473

Females

4450

F18-39

4450

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11355

Females

3367

F18-39

3367

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11408

Females

3396

F18-39

3396

Passing Analysis

Category:
Athletes Passed
1133*
Passed By
2549
Net Change
-1418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9875
5K → 10K256383-128#9875#10003
10K → 15K135261-127#10003#10130
15K → 20K159*170-11#10130#10141
20K → Half2942-13#10141#10154
Half → 25K95212-117#10154#10271
25K → 30K66529-463#10271#10734
30K → 20M63*120-57#10734#10791
20M → 21M44129-85#10791#10876
21M → 35K10252-242#10876#11118
35K → 23M70113-43#11118#11161
23M → 24M50127-77#11161#11238
24M → 40K36126-90#11238#11328
40K → 25.2M3327+6#11328#11322
25.2M → Finish8758+29#11322#11293
TOTALS1133*2549-1418

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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