Boston Marathon logo
BOSTON MARATHON 2023

Kathryn Rogers

Bib: 25221•F

MD

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
37:25
Rank: #26439
Start → 5K
37:25 | 12:03/mi
10K· 6.21 mi
1:16:37
Rank: #26486 (-47)
5K → 10K
39:12 | 12:37/mi
15K· 9.32 mi
1:57:53
Rank: #26525 (-39)
10K → 15K
41:16 | 13:17/mi
20K· 12.43 mi
2:35:42
Rank: #26418 (+107)
15K → 20K
37:49 | 12:10/mi
Half· 13.11 mi
2:43:59
Rank: #26403 (+15)
20K → Half
8:17 | 12:08/mi
25K· 15.53 mi
3:17:07
Rank: #26381 (+22)
Half → 25K
33:08 | 13:40/mi
30K· 18.64 mi
3:56:05
Rank: #26228 (+153)
25K → 30K
38:58 | 12:33/mi
20M
4:16:07
Rank: #26228
30K → 20M
20:02 | 14:45/mi
21M
4:28:44
Rank: #26158 (+70)
20M → 21M
12:37 | 12:37/mi
35K· 21.75 mi
4:36:51
Rank: #26103 (+55)
21M → 35K
8:07 | 10:51/mi
23M
4:50:23
Rank: #25985 (+118)
35K → 23M
13:32 | 10:49/mi
24M
5:00:51
Rank: #25901 (+84)
23M → 24M
10:28 | 10:28/mi
40K· 24.85 mi
5:10:10
Rank: #25826 (+75)
24M → 40K
9:19 | 10:54/mi
25.2M
5:14:18
Rank: #25799 (+27)
40K → 25.2M
4:08 | 11:59/mi
Finish· 26.22 mi
5:23:49
Rank: #25716 (+83)
25.2M → Finish
9:31 | 9:20/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 Half
Distance13.11 mi
Time2:43:59
Pace12:31 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:39:50
Pace12:12 /mi
📊Negative Split: 2.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1137:2512:0337:25
12:03
-
10K
6.21 mi12:33:231:16:3712:2039:12
12:37
+0:34
15K
9.32 mi13:14:391:57:5312:3941:16
13:17
+0:40
20K
12.43 mi13:52:282:35:4212:3237:49
12:10
-1:07
Half
13.11 mi14:00:452:43:5912:318:17
12:08
-0:02
25K
15.53 mi14:33:533:17:0712:4133:08
13:40
+1:32
30K
18.64 mi15:12:513:56:0512:4038:58
12:33
-1:07
20M
20.00 mi15:32:534:16:0712:4820:02
14:45
+2:12
21M
21.00 mi15:45:304:28:4412:4812:37
12:37
-2:08
35K
21.75 mi15:53:374:36:5112:448:07
10:51
-1:46
23M
23.00 mi16:07:094:50:2312:3813:32
10:49
-0:02
24M
24.00 mi16:17:375:00:5112:3210:28
10:28
-0:21
40K
24.85 mi16:26:565:10:1012:299:19
10:54
+0:26
25.2M
25.20 mi16:31:045:14:1812:284:08
11:59
+1:05
Finish
26.22 mi16:40:355:23:4912:229:31
9:20
-2:39

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

9:20 /mi

Average Pace

12:22 /mi

Slowest Pace

14:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:57

16% of race

Time at Steady Pace

2:58:26

55% of race

Time at Slower Pace

1:34:26

29% of race

Average Pace: 12:21 /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 mi11:54:1137:2512:0337:25
12:03
#26439
10K
6.21 mi12:33:231:16:3712:2039:12
12:37
#26486
15K
9.32 mi13:14:391:57:5312:3941:16
13:17
#26525
20K
12.43 mi13:52:282:35:4212:3237:49
12:10
#26418
Half
13.11 mi14:00:452:43:5912:318:17
12:08
#26403
25K
15.53 mi14:33:533:17:0712:4133:08
13:40
#26381
30K
18.64 mi15:12:513:56:0512:4038:58
12:33
#26228
20M
20.00 mi15:32:534:16:0712:4820:02
14:45
#26228
21M
21.00 mi15:45:304:28:4412:4812:37
12:37
#26158
35K
21.75 mi15:53:374:36:5112:448:07
10:51
#26103
23M
23.00 mi16:07:094:50:2312:3813:32
10:49
#25985
24M
24.00 mi16:17:375:00:5112:3210:28
10:28
#25901
40K
24.85 mi16:26:565:10:1012:299:19
10:54
#25826
25.2M
25.20 mi16:31:045:14:1812:284:08
11:59
#25799
Finish
26.22 mi16:40:355:23:4912:229:31
9:20
#25716
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26439113191131926547(Top 100%)11388(Top 100%)11388(Top 233%)
10K6.21 mi3.10 mi26486-4711352-3311352-3326502(Top 100%)11365(Top 99%)11365(Top 233%)
15K9.32 mi3.11 mi26525-3911377-2511377-2526547(Top 100%)11388(Top 100%)11388(Top 233%)
20K12.43 mi3.11 mi26418+10711305+7211305+7225751(Top 97%)10921(Top 96%)10921(Top 224%)
Half13.11 mi0.68 mi26403+1511294+1111294+1125967(Top 98%)11041(Top 97%)11041(Top 226%)
25K15.53 mi2.42 mi26381+2211274+2011274+2026199(Top 98%)11187(Top 98%)11187(Top 229%)
30K18.64 mi3.11 mi26228+15311186+8811186+8825042(Top 94%)10588(Top 93%)10588(Top 217%)
20M20.00 mi1.36 mi2622811192-611192-626203(Top 98%)11231(Top 98%)11231(Top 230%)
21M21.00 mi1.00 mi26158+7011154+3811154+3823620(Top 89%)9875(Top 86%)9875(Top 202%)
35K21.75 mi0.75 mi26103+5511128+2611128+2623041(Top 87%)9618(Top 84%)9618(Top 197%)
23M23.00 mi1.25 mi25985+11811053+7511053+7521994(Top 83%)9070(Top 79%)9070(Top 186%)
24M24.00 mi1.00 mi25901+8411013+4011013+4021988(Top 83%)9097(Top 80%)9097(Top 186%)
40K24.85 mi0.85 mi25826+7510974+3910974+3922155(Top 83%)9224(Top 81%)9224(Top 189%)
25.2M25.20 mi0.35 mi25799+2710964+1010964+1022523(Top 85%)9423(Top 82%)9423(Top 193%)
Finish26.22 mi1.02 mi25716+8310922+4210922+4219562(Top 73%)7773(Top 68%)7773(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21stories
+97ft-345ft

Overall

26547

Females

11388

F18-39

11388

5K→10K

3.1 - 6.2 mi

Top 100%
×5stories
+79ft-138ft

Overall

26502

Females

11365

F18-39

11365

10K→15K

6.2 - 9.3 mi

Top 100%
×3stories
+67ft-78ft

Overall

26547

Females

11388

F18-39

11388

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25751

Females

10921

F18-39

10921

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

25967

Females

11041

F18-39

11041

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

26199

Females

11187

F18-39

11187

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

25042

Females

10588

F18-39

10588

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

26203

Females

11231

F18-39

11231

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23620

Females

9875

F18-39

9875

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23041

Females

9618

F18-39

9618

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

21994

Females

9070

F18-39

9070

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

21988

Females

9097

F18-39

9097

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22155

Females

9224

F18-39

9224

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22523

Females

9423

F18-39

9423

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19562

Females

7773

F18-39

7773

Passing Analysis

Category:
Athletes Passed
876
Passed By
153
Net Change
+723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26439
5K → 10K1865-47#26439#26486
10K → 15K645-39#26486#26525
15K → 20K1081+107#26525#26418
20K → Half172+15#26418#26403
Half → 25K3715+22#26403#26381
25K → 30K1541+153#26381#26228
30K → 20M22220#26228#26228
20M → 21M700+70#26228#26158
21M → 35K550+55#26158#26103
35K → 23M1180+118#26103#25985
23M → 24M840+84#25985#25901
24M → 40K772+75#25901#25826
40K → 25.2M270+27#25826#25799
25.2M → Finish830+83#25799#25716
TOTALS876153+723
📊

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