Boston Marathon logo
BOSTON MARATHON 2023

Lily Ende

Bib: 14078•F

CO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:08
Rank: #9201
Start → 5K
23:08 | 7:27/mi
10K· 6.21 mi
45:05
Rank: #8159 (+1042)
5K → 10K
21:57 | 7:04/mi
15K· 9.32 mi
1:07:04
Rank: #7727 (+432)
10K → 15K
21:59 | 7:05/mi
20K· 12.43 mi
1:29:01
Rank: #7299 (+428)
15K → 20K
21:57 | 7:04/mi
Half· 13.11 mi
1:33:48
Rank: #7266 (+33)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:51:32
Rank: #7257 (+9)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:15:56
Rank: #7592 (-335)
25K → 30K
24:24 | 7:51/mi
20M
2:26:57
Rank: #7790 (-198)
30K → 20M
11:01 | 8:06/mi
21M
2:35:40
Rank: #7972 (-182)
20M → 21M
8:43 | 8:43/mi
35K· 21.75 mi
2:41:32
Rank: #8079 (-107)
21M → 35K
5:52 | 7:51/mi
23M
2:51:57
Rank: #8288 (-209)
35K → 23M
10:25 | 8:19/mi
24M
3:00:04
Rank: #8425 (-137)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:06:55
Rank: #8474 (-49)
24M → 40K
6:51 | 8:01/mi
25.2M
3:09:45
Rank: #8449 (+25)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:17:26
Rank: #8440 (+9)
25.2M → Finish
7:41 | 7:32/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:48
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:43:38
Pace7:54 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5823:087:2723:08
7:27
-
10K
6.21 mi11:13:5545:057:1521:57
7:04
-0:23
15K
9.32 mi11:35:541:07:047:1221:59
7:05
+0:01
20K
12.43 mi11:57:511:29:017:1021:57
7:04
-0:01
Half
13.11 mi12:02:381:33:487:094:47
7:01
-0:03
25K
15.53 mi12:20:221:51:327:1117:44
7:19
+0:18
30K
18.64 mi12:44:462:15:567:1824:24
7:51
+0:32
20M
20.00 mi12:55:472:26:577:2111:01
8:06
+0:15
21M
21.00 mi13:04:302:35:407:258:43
8:43
+0:37
35K
21.75 mi13:10:222:41:327:265:52
7:51
-0:52
23M
23.00 mi13:20:472:51:577:2910:25
8:19
+0:28
24M
24.00 mi13:28:543:00:047:308:07
8:07
-0:12
40K
24.85 mi13:35:453:06:557:316:51
8:01
-0:06
25.2M
25.20 mi13:38:353:09:457:322:50
8:13
+0:12
Finish
26.22 mi13:46:163:17:267:327:41
7:32
-0:41

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

7:01 /mi

Average Pace

7:32 /mi

Slowest Pace

8:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:13

60% of race

Time at Steady Pace

48:08

24% of race

Time at Slower Pace

30:05

15% of race

Average Pace: 7:32 /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 mi10:51:5823:087:2723:08
7:27
#9201
10K
6.21 mi11:13:5545:057:1521:57
7:04
#8159
15K
9.32 mi11:35:541:07:047:1221:59
7:05
#7727
20K
12.43 mi11:57:511:29:017:1021:57
7:04
#7299
Half
13.11 mi12:02:381:33:487:094:47
7:01
#7266
25K
15.53 mi12:20:221:51:327:1117:44
7:19
#7257
30K
18.64 mi12:44:462:15:567:1824:24
7:51
#7592
20M
20.00 mi12:55:472:26:577:2111:01
8:06
#7790
21M
21.00 mi13:04:302:35:407:258:43
8:43
#7972
35K
21.75 mi13:10:222:41:327:265:52
7:51
#8079
23M
23.00 mi13:20:472:51:577:2910:25
8:19
#8288
24M
24.00 mi13:28:543:00:047:308:07
8:07
#8425
40K
24.85 mi13:35:453:06:557:316:51
8:01
#8474
25.2M
25.20 mi13:38:353:09:457:322:50
8:13
#8449
Finish
26.22 mi13:46:163:17:267:327:41
7:32
#8440
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9201147314737018(Top 26%)756(Top 7%)756(Top 15%)
10K6.21 mi3.10 mi8159+10421091+3821091+3827227(Top 27%)826(Top 7%)826(Top 17%)
15K9.32 mi3.11 mi7727+432943+148943+1487018(Top 26%)756(Top 7%)756(Top 15%)
20K12.43 mi3.11 mi7299+428826+117826+1176385(Top 24%)620(Top 5%)620(Top 13%)
Half13.11 mi0.68 mi7266+33817+9817+96672(Top 25%)684(Top 6%)684(Top 14%)
25K15.53 mi2.42 mi7257+9827-10827-107393(Top 28%)978(Top 9%)978(Top 20%)
30K18.64 mi3.11 mi7592-335963-136963-1369774(Top 37%)2051(Top 18%)2051(Top 42%)
20M20.00 mi1.36 mi7790-1981054-911054-9111077(Top 42%)2766(Top 24%)2766(Top 57%)
21M21.00 mi1.00 mi7972-1821139-851139-8511765(Top 44%)3271(Top 29%)3271(Top 67%)
35K21.75 mi0.75 mi8079-1071192-531192-5310962(Top 41%)2839(Top 25%)2839(Top 58%)
23M23.00 mi1.25 mi8288-2091285-931285-9312037(Top 45%)3526(Top 31%)3526(Top 72%)
24M24.00 mi1.00 mi8425-1371362-771362-7712044(Top 45%)3601(Top 32%)3601(Top 74%)
40K24.85 mi0.85 mi8474-491402-401402-4010139(Top 38%)2711(Top 24%)2711(Top 56%)
25.2M25.20 mi0.35 mi8449+251403-11403-17839(Top 29%)1751(Top 15%)1751(Top 36%)
Finish26.22 mi1.02 mi8440+91417-141417-148861(Top 33%)2174(Top 19%)2174(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7018

Females

756

F18-39

756

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7227

Females

826

F18-39

826

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7018

Females

756

F18-39

756

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6385

Females

620

F18-39

620

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6672

Females

684

F18-39

684

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7393

Females

978

F18-39

978

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9774

Females

2051

F18-39

2051

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11077

Females

2766

F18-39

2766

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11765

Females

3271

F18-39

3271

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10962

Females

2839

F18-39

2839

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12037

Females

3526

F18-39

3526

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12044

Females

3601

F18-39

3601

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10139

Females

2711

F18-39

2711

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7839

Females

1751

F18-39

1751

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8861

Females

2174

F18-39

2174

Passing Analysis

Category:
Athletes Passed
2403
Passed By
1642
Net Change
+761
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9201
5K → 10K106119+1042#9201#8159
10K → 15K44412+432#8159#7727
15K → 20K4346+428#7727#7299
20K → Half418+33#7299#7266
Half → 25K8172+9#7266#7257
25K → 30K52387-335#7257#7592
30K → 20M21219-198#7592#7790
20M → 21M26208-182#7790#7972
21M → 35K20127-107#7972#8079
35K → 23M33242-209#8079#8288
23M → 24M34171-137#8288#8425
24M → 40K4493-49#8425#8474
40K → 25.2M3813+25#8474#8449
25.2M → Finish7465+9#8449#8440
TOTALS24031642+761
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing