Boston Marathon logo
BOSTON MARATHON 2023

Katherine Eshel

Bib: 29377•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:38
Rank: #25878
Start → 5K
34:38 | 11:09/mi
10K· 6.21 mi
1:10:23
Rank: #25952 (-74)
5K → 10K
35:45 | 11:30/mi
15K· 9.32 mi
1:46:25
Rank: #25910 (+42)
10K → 15K
36:02 | 11:36/mi
20K· 12.43 mi
2:26:07
Rank: #26002 (-92)
15K → 20K
39:42 | 12:47/mi
Half· 13.11 mi
2:33:52
Rank: #25964 (+38)
20K → Half
7:45 | 11:22/mi
25K· 15.53 mi
3:03:40
Rank: #25873 (+91)
Half → 25K
29:48 | 12:17/mi
30K· 18.64 mi
3:42:52
Rank: #25754 (+119)
25K → 30K
39:12 | 12:37/mi
20M
3:58:59
Rank: #25666 (+88)
30K → 20M
16:07 | 11:52/mi
21M
4:11:56
Rank: #25605 (+61)
20M → 21M
12:57 | 12:57/mi
35K· 21.75 mi
4:20:37
Rank: #25557 (+48)
21M → 35K
8:41 | 11:36/mi
23M
4:36:18
Rank: #25512 (+45)
35K → 23M
15:41 | 12:32/mi
24M
4:59:59
Rank: #25873 (-361)
23M → 24M
23:41 | 23:41/mi
40K· 24.85 mi
5:14:27
Rank: #25951 (-78)
24M → 40K
14:28 | 16:55/mi
25.2M
5:19:56
Rank: #25961 (-10)
40K → 25.2M
5:29 | 15:54/mi
Finish· 26.22 mi
5:33:00
Rank: #25977 (-16)
25.2M → Finish
13:04 | 12:49/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
Time2:33:52
Pace11:44 /mi
2nd Half
Distance13.11 mi
Time2:59:08
Pace13:40 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:0034:3811:0934:38
11:09
-
10K
6.21 mi12:33:451:10:2311:2035:45
11:30
+0:21
15K
9.32 mi13:09:471:46:2511:2536:02
11:36
+0:06
20K
12.43 mi13:49:292:26:0711:4539:42
12:47
+1:11
Half
13.11 mi13:57:142:33:5211:447:45
11:22
-1:25
25K
15.53 mi14:27:023:03:4011:4929:48
12:17
+0:55
30K
18.64 mi15:06:143:42:5211:5739:12
12:37
+0:20
20M
20.00 mi15:22:213:58:5911:5716:07
11:52
-0:45
21M
21.00 mi15:35:184:11:5612:0012:57
12:57
+1:05
35K
21.75 mi15:43:594:20:3711:598:41
11:36
-1:21
23M
23.00 mi15:59:404:36:1812:0115:41
12:32
+0:56
24M
24.00 mi16:23:214:59:5912:3023:41
23:41
+11:09
40K
24.85 mi16:37:495:14:2712:3914:28
16:55
-6:46
25.2M
25.20 mi16:43:185:19:5612:425:29
15:54
-1:01
Finish
26.22 mi16:56:225:33:0012:4313:04
12:49
-3:05

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

11:09 /mi

Average Pace

12:43 /mi

Slowest Pace

23:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

4:49:22

87% of race

Time at Slower Pace

43:38

13% of race

Average Pace: 12:42 /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 mi11:58:0034:3811:0934:38
11:09
#25878
10K
6.21 mi12:33:451:10:2311:2035:45
11:30
#25952
15K
9.32 mi13:09:471:46:2511:2536:02
11:36
#25910
20K
12.43 mi13:49:292:26:0711:4539:42
12:47
#26002
Half
13.11 mi13:57:142:33:5211:447:45
11:22
#25964
25K
15.53 mi14:27:023:03:4011:4929:48
12:17
#25873
30K
18.64 mi15:06:143:42:5211:5739:12
12:37
#25754
20M
20.00 mi15:22:213:58:5911:5716:07
11:52
#25666
21M
21.00 mi15:35:184:11:5612:0012:57
12:57
#25605
35K
21.75 mi15:43:594:20:3711:598:41
11:36
#25557
23M
23.00 mi15:59:404:36:1812:0115:41
12:32
#25512
24M
24.00 mi16:23:214:59:5912:3023:41
23:41
#25873
40K
24.85 mi16:37:495:14:2712:3914:28
16:55
#25951
25.2M
25.20 mi16:43:185:19:5612:425:29
15:54
#25961
Finish
26.22 mi16:56:225:33:0012:4313:04
12:49
#25977
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25878109761097625795(Top 97%)10918(Top 96%)10918(Top 224%)
10K6.21 mi3.10 mi25952-7411011-3511011-3525966(Top 98%)11020(Top 96%)11020(Top 226%)
15K9.32 mi3.11 mi25910+4210986+2510986+2525795(Top 97%)10918(Top 96%)10918(Top 224%)
20K12.43 mi3.11 mi26002-9211043-5711043-5726130(Top 98%)11132(Top 97%)11132(Top 228%)
Half13.11 mi0.68 mi25964+3811016+2711016+2725356(Top 95%)10704(Top 94%)10704(Top 219%)
25K15.53 mi2.42 mi25873+9110972+4410972+4425381(Top 95%)10725(Top 94%)10725(Top 220%)
30K18.64 mi3.11 mi25754+11910914+5810914+5825108(Top 94%)10630(Top 93%)10630(Top 218%)
20M20.00 mi1.36 mi25666+8810868+4610868+4624032(Top 90%)10103(Top 88%)10103(Top 207%)
21M21.00 mi1.00 mi25605+6110834+3410834+3424033(Top 90%)10109(Top 88%)10109(Top 207%)
35K21.75 mi0.75 mi25557+4810817+1710817+1724245(Top 91%)10258(Top 90%)10258(Top 210%)
23M23.00 mi1.25 mi25512+4510800+1710800+1724616(Top 92%)10446(Top 91%)10446(Top 214%)
24M24.00 mi1.00 mi25873-36110995-19510995-19526621(Top 100%)11422(Top 100%)11422(Top 234%)
40K24.85 mi0.85 mi25951-7811039-4411039-4426525(Top 100%)11387(Top 100%)11387(Top 233%)
25.2M25.20 mi0.35 mi25961-1011047-811047-826092(Top 98%)11210(Top 98%)11210(Top 230%)
Finish26.22 mi1.02 mi25977-1611059-1211059-1225875(Top 97%)11107(Top 97%)11107(Top 227%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

25795

Females

10918

F18-39

10918

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

25966

Females

11020

F18-39

11020

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

25795

Females

10918

F18-39

10918

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

26130

Females

11132

F18-39

11132

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

25356

Females

10704

F18-39

10704

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

25381

Females

10725

F18-39

10725

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

25108

Females

10630

F18-39

10630

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

24032

Females

10103

F18-39

10103

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

24033

Females

10109

F18-39

10109

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24245

Females

10258

F18-39

10258

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24616

Females

10446

F18-39

10446

23M→24M

23.0 - 24.0 mi

Top 100%
×6stories
+12ft-82ft

Overall

26621

Females

11422

F18-39

11422

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

26525

Females

11387

F18-39

11387

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26092

Females

11210

F18-39

11210

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

25875

Females

11107

F18-39

11107

Passing Analysis

Category:
Athletes Passed
713
Passed By
812
Net Change
-99
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25878
5K → 10K75149-74#25878#25952
10K → 15K9149+42#25952#25910
15K → 20K20112-92#25910#26002
20K → Half424+38#26002#25964
Half → 25K1009+91#25964#25873
25K → 30K1278+119#25873#25754
30K → 20M891+88#25754#25666
20M → 21M632+61#25666#25605
21M → 35K491+48#25605#25557
35K → 23M494+45#25557#25512
23M → 24M0361-361#25512#25873
24M → 40K179-78#25873#25951
40K → 25.2M414-10#25951#25961
25.2M → Finish319-16#25961#25977
TOTALS713812-99
📊

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