Boston Marathon logo
BOSTON MARATHON 2023

Devyn Cook

Bib: 15460•F

TX

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
24:34
Rank: #13326
Start → 5K
24:34 | 7:54/mi
10K· 6.21 mi
48:53
Rank: #13336 (-10)
5K → 10K
24:19 | 7:50/mi
15K· 9.32 mi
1:13:49
Rank: #13742 (-406)
10K → 15K
24:56 | 8:02/mi
20K· 12.43 mi
1:39:17
Rank: #14016 (-274)
15K → 20K
25:28 | 8:12/mi
Half· 13.11 mi
1:44:37
Rank: #13952 (+64)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:04:50
Rank: #14168 (-216)
Half → 25K
20:13 | 8:20/mi
30K· 18.64 mi
2:34:36
Rank: #15430 (-1262)
25K → 30K
29:46 | 9:35/mi
20M
2:47:13
Rank: #15624 (-194)
30K → 20M
12:37 | 9:17/mi
21M
2:57:30
Rank: #15881 (-257)
20M → 21M
10:17 | 10:17/mi
35K· 21.75 mi
3:04:08
Rank: #15918 (-37)
21M → 35K
6:38 | 8:52/mi
23M
3:16:10
Rank: #16133 (-215)
35K → 23M
12:02 | 9:37/mi
24M
3:25:40
Rank: #16312 (-179)
23M → 24M
9:30 | 9:30/mi
40K· 24.85 mi
3:34:19
Rank: #16536 (-224)
24M → 40K
8:39 | 10:07/mi
25.2M
3:38:13
Rank: #16660 (-124)
40K → 25.2M
3:54 | 11:19/mi
Finish· 26.22 mi
3:49:19
Rank: #17193 (-533)
25.2M → Finish
11:06 | 10:54/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
Time1:44:37
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time2:04:42
Pace9:31 /mi
📊Positive Split: 19.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1624:347:5424:34
7:54
-
10K
6.21 mi11:18:3548:537:5224:19
7:50
-0:04
15K
9.32 mi11:43:311:13:497:5524:56
8:02
+0:12
20K
12.43 mi12:08:591:39:177:5925:28
8:12
+0:10
Half
13.11 mi12:14:191:44:377:595:20
7:49
-0:23
25K
15.53 mi12:34:322:04:508:0220:13
8:20
+0:31
30K
18.64 mi13:04:182:34:368:1829:46
9:35
+1:15
20M
20.00 mi13:16:552:47:138:2212:37
9:17
-0:18
21M
21.00 mi13:27:122:57:308:2710:17
10:17
+1:00
35K
21.75 mi13:33:503:04:088:286:38
8:52
-1:25
23M
23.00 mi13:45:523:16:108:3212:02
9:37
+0:45
24M
24.00 mi13:55:223:25:408:349:30
9:30
-0:07
40K
24.85 mi14:04:013:34:198:378:39
10:07
+0:37
25.2M
25.20 mi14:07:553:38:138:403:54
11:19
+1:12
Finish
26.22 mi14:19:013:49:198:4511:06
10:54
-0:25

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

7:49 /mi

Average Pace

8:45 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:50

54% of race

Time at Steady Pace

1:10:33

31% of race

Time at Slower Pace

33:56

15% of race

Average Pace: 8:45 /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 mi10:54:1624:347:5424:34
7:54
#13326
10K
6.21 mi11:18:3548:537:5224:19
7:50
#13336
15K
9.32 mi11:43:311:13:497:5524:56
8:02
#13742
20K
12.43 mi12:08:591:39:177:5925:28
8:12
#14016
Half
13.11 mi12:14:191:44:377:595:20
7:49
#13952
25K
15.53 mi12:34:322:04:508:0220:13
8:20
#14168
30K
18.64 mi13:04:182:34:368:1829:46
9:35
#15430
20M
20.00 mi13:16:552:47:138:2212:37
9:17
#15624
21M
21.00 mi13:27:122:57:308:2710:17
10:17
#15881
35K
21.75 mi13:33:503:04:088:286:38
8:52
#15918
23M
23.00 mi13:45:523:16:108:3212:02
9:37
#16133
24M
24.00 mi13:55:223:25:408:349:30
9:30
#16312
40K
24.85 mi14:04:013:34:198:378:39
10:07
#16536
25.2M
25.20 mi14:07:553:38:138:403:54
11:19
#16660
Finish
26.22 mi14:19:013:49:198:4511:06
10:54
#17193
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi133263629362914617(Top 55%)4460(Top 39%)4460(Top 91%)
10K6.21 mi3.10 mi13336-103650-213650-2113378(Top 50%)3649(Top 32%)3649(Top 75%)
15K9.32 mi3.11 mi13742-4063909-2593909-25914617(Top 55%)4460(Top 39%)4460(Top 91%)
20K12.43 mi3.11 mi14016-2744097-1884097-18814955(Top 56%)4690(Top 41%)4690(Top 96%)
Half13.11 mi0.68 mi13952+644059+384059+3812990(Top 49%)3519(Top 31%)3519(Top 72%)
25K15.53 mi2.42 mi14168-2164209-1504209-15015206(Top 57%)4970(Top 44%)4970(Top 102%)
30K18.64 mi3.11 mi15430-12625033-8245033-82419717(Top 74%)7596(Top 66%)7596(Top 156%)
20M20.00 mi1.36 mi15624-1945168-1355168-13517962(Top 67%)6722(Top 59%)6722(Top 138%)
21M21.00 mi1.00 mi15881-2575345-1775345-17718981(Top 71%)7323(Top 64%)7323(Top 150%)
35K21.75 mi0.75 mi15918-375383-385383-3817300(Top 65%)6440(Top 56%)6440(Top 132%)
23M23.00 mi1.25 mi16133-2155529-1465529-14618774(Top 71%)7278(Top 64%)7278(Top 149%)
24M24.00 mi1.00 mi16312-1795635-1065635-10619211(Top 72%)7560(Top 66%)7560(Top 155%)
40K24.85 mi0.85 mi16536-2245787-1525787-15220284(Top 76%)8205(Top 72%)8205(Top 168%)
25.2M25.20 mi0.35 mi16660-1245865-785865-7821144(Top 79%)8666(Top 76%)8666(Top 177%)
Finish26.22 mi1.02 mi17193-5336180-3156180-31523778(Top 89%)10042(Top 88%)10042(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14617

Females

4460

F18-39

4460

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13378

Females

3649

F18-39

3649

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14617

Females

4460

F18-39

4460

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14955

Females

4690

F18-39

4690

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12990

Females

3519

F18-39

3519

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15206

Females

4970

F18-39

4970

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19717

Females

7596

F18-39

7596

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17962

Females

6722

F18-39

6722

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18981

Females

7323

F18-39

7323

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17300

Females

6440

F18-39

6440

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18774

Females

7278

F18-39

7278

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19211

Females

7560

F18-39

7560

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20284

Females

8205

F18-39

8205

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21144

Females

8666

F18-39

8666

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23778

Females

10042

F18-39

10042

Passing Analysis

Category:
Athletes Passed
857
Passed By
4724
Net Change
-3867
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13326
5K → 10K304314-10#13326#13336
10K → 15K78484-406#13336#13742
15K → 20K107381-274#13742#14016
20K → Half7410+64#14016#13952
Half → 25K74290-216#13952#14168
25K → 30K211283-1262#14168#15430
30K → 20M35229-194#15430#15624
20M → 21M25282-257#15624#15881
21M → 35K4481-37#15881#15918
35K → 23M31246-215#15918#16133
23M → 24M24203-179#16133#16312
24M → 40K25249-224#16312#16536
40K → 25.2M9133-124#16536#16660
25.2M → Finish6539-533#16660#17193
TOTALS8574724-3867
📊

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