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BOSTON MARATHON 2023

Ellie Lochner

Bib: 16286•F

WI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 24%
Division (F18-39)
#0 / 4884
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:17
Rank: #12512
Start → 5K
24:17 | 7:49/mi
10K· 6.21 mi
47:57
Rank: #11979 (+533)
5K → 10K
23:40 | 7:37/mi
15K· 9.32 mi
1:11:46
Rank: #11781 (+198)
10K → 15K
23:49 | 7:40/mi
20K· 12.43 mi
1:35:38
Rank: #11499 (+282)
15K → 20K
23:52 | 7:41/mi
Half· 13.11 mi
1:40:50
Rank: #11475 (+24)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:59:26
Rank: #11202 (+273)
Half → 25K
18:36 | 7:40/mi
30K· 18.64 mi
2:23:50
Rank: #10891 (+311)
25K → 30K
24:24 | 7:51/mi
20M
2:34:49
Rank: #10852 (+39)
30K → 20M
10:59 | 8:05/mi
21M
2:43:41
Rank: #10959 (-107)
20M → 21M
8:52 | 8:52/mi
35K· 21.75 mi
2:49:41
Rank: #10995 (-36)
21M → 35K
6:00 | 8:01/mi
23M
3:00:18
Rank: #11126 (-131)
35K → 23M
10:37 | 8:29/mi
24M
3:08:30
Rank: #11192 (-66)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:15:43
Rank: #11248 (-56)
24M → 40K
7:13 | 8:26/mi
25.2M
3:18:47
Rank: #11259 (-11)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:27:12
Rank: #11359 (-100)
25.2M → Finish
8:25 | 8:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:50
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:46:22
Pace8:07 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5024:177:4924:17
7:49
-
10K
6.21 mi11:42:3047:577:4323:40
7:37
-0:12
15K
9.32 mi12:06:191:11:467:4223:49
7:40
+0:03
20K
12.43 mi12:30:111:35:387:4223:52
7:41
+0:01
Half
13.11 mi12:35:231:40:507:415:12
7:37
-0:04
25K
15.53 mi12:53:591:59:267:4118:36
7:40
+0:03
30K
18.64 mi13:18:232:23:507:4324:24
7:51
+0:11
20M
20.00 mi13:29:222:34:497:4410:59
8:05
+0:14
21M
21.00 mi13:38:142:43:417:488:52
8:52
+0:47
35K
21.75 mi13:44:142:49:417:486:00
8:01
-0:51
23M
23.00 mi13:54:513:00:187:5010:37
8:29
+0:28
24M
24.00 mi14:03:033:08:307:518:12
8:12
-0:17
40K
24.85 mi14:10:163:15:437:527:13
8:26
+0:14
25.2M
25.20 mi14:13:203:18:477:533:04
8:54
+0:28
Finish
26.22 mi14:21:453:27:127:558:25
8:16
-0:38

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

7:37 /mi

Average Pace

7:55 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:26

86% of race

Time at Steady Pace

29:46

14% 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 mi11:18:5024:177:4924:17
7:49
#12512
10K
6.21 mi11:42:3047:577:4323:40
7:37
#11979
15K
9.32 mi12:06:191:11:467:4223:49
7:40
#11781
20K
12.43 mi12:30:111:35:387:4223:52
7:41
#11499
Half
13.11 mi12:35:231:40:507:415:12
7:37
#11475
25K
15.53 mi12:53:591:59:267:4118:36
7:40
#11202
30K
18.64 mi13:18:232:23:507:4324:24
7:51
#10891
20M
20.00 mi13:29:222:34:497:4410:59
8:05
#10852
21M
21.00 mi13:38:142:43:417:488:52
8:52
#10959
35K
21.75 mi13:44:142:49:417:486:00
8:01
#10995
23M
23.00 mi13:54:513:00:187:5010:37
8:29
#11126
24M
24.00 mi14:03:033:08:307:518:12
8:12
#11192
40K
24.85 mi14:10:163:15:437:527:13
8:26
#11248
25.2M
25.20 mi14:13:203:18:477:533:04
8:54
#11259
Finish
26.22 mi14:21:453:27:127:558:25
8:16
#11359
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi125123165316511569(Top 43%)2667(Top 23%)2667(Top 55%)
10K6.21 mi3.10 mi11979+5332858+3072858+30711502(Top 43%)2604(Top 23%)2604(Top 53%)
15K9.32 mi3.11 mi11781+1982775+832775+8311569(Top 43%)2667(Top 23%)2667(Top 55%)
20K12.43 mi3.11 mi11499+2822617+1582617+15810794(Top 41%)2312(Top 20%)2312(Top 47%)
Half13.11 mi0.68 mi11475+242609+82609+811281(Top 42%)2512(Top 22%)2512(Top 51%)
25K15.53 mi2.42 mi11202+2732472+1372472+13710107(Top 38%)2047(Top 18%)2047(Top 42%)
30K18.64 mi3.11 mi10891+3112344+1282344+1289789(Top 37%)2066(Top 18%)2066(Top 42%)
20M20.00 mi1.36 mi10852+392360-162360-1610909(Top 41%)2689(Top 24%)2689(Top 55%)
21M21.00 mi1.00 mi10959-1072442-822442-8212656(Top 48%)3752(Top 33%)3752(Top 77%)
35K21.75 mi0.75 mi10995-362473-312473-3112289(Top 46%)3580(Top 31%)3580(Top 73%)
23M23.00 mi1.25 mi11126-1312560-872560-8713096(Top 49%)4117(Top 36%)4117(Top 84%)
24M24.00 mi1.00 mi11192-662621-612621-6112608(Top 47%)3908(Top 34%)3908(Top 80%)
40K24.85 mi0.85 mi11248-562682-612682-6112982(Top 49%)4186(Top 37%)4186(Top 86%)
25.2M25.20 mi0.35 mi11259-112700-182700-1811937(Top 45%)3675(Top 32%)3675(Top 75%)
Finish26.22 mi1.02 mi11359-1002771-712771-7113847(Top 52%)4650(Top 41%)4650(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11569

Females

2667

F18-39

2667

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11502

Females

2604

F18-39

2604

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11569

Females

2667

F18-39

2667

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10794

Females

2312

F18-39

2312

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11281

Females

2512

F18-39

2512

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10107

Females

2047

F18-39

2047

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9789

Females

2066

F18-39

2066

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10909

Females

2689

F18-39

2689

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12656

Females

3752

F18-39

3752

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12289

Females

3580

F18-39

3580

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13096

Females

4117

F18-39

4117

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

12608

Females

3908

F18-39

3908

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12982

Females

4186

F18-39

4186

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11937

Females

3675

F18-39

3675

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13847

Females

4650

F18-39

4650

Passing Analysis

Category:
Athletes Passed
2378*
Passed By
1225
Net Change
+1153
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12512
5K → 10K657124+533#12512#11979
10K → 15K303105+198#11979#11781
15K → 20K32947+282#11781#11499
20K → Half4319+24#11499#11475
Half → 25K29421+273#11475#11202
25K → 30K35140+311#11202#10891
30K → 20M104*65+39#10891#10852
20M → 21M37144-107#10852#10959
21M → 35K3975-36#10959#10995
35K → 23M54185-131#10995#11126
23M → 24M50116-66#11126#11192
24M → 40K4399-56#11192#11248
40K → 25.2M2839-11#11248#11259
25.2M → Finish46146-100#11259#11359
TOTALS2378*1225+1153

* 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