Boston Marathon logo
BOSTON MARATHON 2023

Christine Elminowski

Bib: 23129•F

NC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:01
Rank: #21654
Start → 5K
29:01 | 9:20/mi
10K· 6.21 mi
57:49
Rank: #21742 (-88)
5K → 10K
28:48 | 9:16/mi
15K· 9.32 mi
1:26:56
Rank: #21765 (-23)
10K → 15K
29:07 | 9:22/mi
20K· 12.43 mi
1:56:20
Rank: #21700 (+65)
15K → 20K
29:24 | 9:28/mi
Half· 13.11 mi
2:02:39
Rank: #21692 (+8)
20K → Half
6:19 | 9:16/mi
25K· 15.53 mi
2:25:28
Rank: #21500 (+192)
Half → 25K
22:49 | 9:25/mi
30K· 18.64 mi
2:55:27
Rank: #21212 (+288)
25K → 30K
29:59 | 9:39/mi
20M
3:09:03
Rank: #21128 (+84)
30K → 20M
13:36 | 10:00/mi
21M
3:19:30
Rank: #21032 (+96)
20M → 21M
10:27 | 10:27/mi
35K· 21.75 mi
3:27:03
Rank: #21046 (-14)
21M → 35K
7:33 | 10:06/mi
23M
3:39:48
Rank: #20991 (+55)
35K → 23M
12:45 | 10:11/mi
24M
3:49:36
Rank: #20940 (+51)
23M → 24M
9:48 | 9:48/mi
40K· 24.85 mi
3:58:06
Rank: #20875 (+65)
24M → 40K
8:30 | 9:56/mi
25.2M
4:01:40
Rank: #20840 (+35)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
4:11:20
Rank: #20804 (+36)
25.2M → Finish
9:40 | 9:29/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
Time2:02:39
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:08:41
Pace9:49 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5029:019:2029:01
9:20
-
10K
6.21 mi11:53:3857:499:1828:48
9:16
-0:04
15K
9.32 mi12:22:451:26:569:2029:07
9:22
+0:06
20K
12.43 mi12:52:091:56:209:2229:24
9:28
+0:06
Half
13.11 mi12:58:282:02:399:216:19
9:16
-0:12
25K
15.53 mi13:21:172:25:289:2222:49
9:25
+0:09
30K
18.64 mi13:51:162:55:279:2529:59
9:39
+0:14
20M
20.00 mi14:04:523:09:039:2713:36
10:00
+0:21
21M
21.00 mi14:15:193:19:309:3010:27
10:27
+0:27
35K
21.75 mi14:22:523:27:039:317:33
10:06
-0:21
23M
23.00 mi14:35:373:39:489:3312:45
10:11
+0:05
24M
24.00 mi14:45:253:49:369:349:48
9:48
-0:23
40K
24.85 mi14:53:553:58:069:358:30
9:56
+0:08
25.2M
25.20 mi14:57:294:01:409:353:34
10:21
+0:25
Finish
26.22 mi15:07:094:11:209:369:40
9:29
-0:52

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

9:16 /mi

Average Pace

9:36 /mi

Slowest Pace

10:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:57:19

94% of race

Time at Steady Pace

14:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:35 /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 mi11:24:5029:019:2029:01
9:20
#21654
10K
6.21 mi11:53:3857:499:1828:48
9:16
#21742
15K
9.32 mi12:22:451:26:569:2029:07
9:22
#21765
20K
12.43 mi12:52:091:56:209:2229:24
9:28
#21700
Half
13.11 mi12:58:282:02:399:216:19
9:16
#21692
25K
15.53 mi13:21:172:25:289:2222:49
9:25
#21500
30K
18.64 mi13:51:162:55:279:2529:59
9:39
#21212
20M
20.00 mi14:04:523:09:039:2713:36
10:00
#21128
21M
21.00 mi14:15:193:19:309:3010:27
10:27
#21032
35K
21.75 mi14:22:523:27:039:317:33
10:06
#21046
23M
23.00 mi14:35:373:39:489:3312:45
10:11
#20991
24M
24.00 mi14:45:253:49:369:349:48
9:48
#20940
40K
24.85 mi14:53:553:58:069:358:30
9:56
#20875
25.2M
25.20 mi14:57:294:01:409:353:34
10:21
#20840
Finish
26.22 mi15:07:094:11:209:369:40
9:29
#20804
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi216548718871821883(Top 82%)8722(Top 76%)8722(Top 723%)
10K6.21 mi3.10 mi21742-888713+58713+521835(Top 82%)8732(Top 76%)8732(Top 723%)
15K9.32 mi3.11 mi21765-238706+78706+721883(Top 82%)8722(Top 76%)8722(Top 723%)
20K12.43 mi3.11 mi21700+658660+468660+4621440(Top 81%)8490(Top 74%)8490(Top 703%)
Half13.11 mi0.68 mi21692+88656+48656+421376(Top 80%)8448(Top 74%)8448(Top 700%)
25K15.53 mi2.42 mi21500+1928543+1138543+11320557(Top 77%)8022(Top 70%)8022(Top 665%)
30K18.64 mi3.11 mi21212+2888398+1458398+14519980(Top 75%)7757(Top 68%)7757(Top 643%)
20M20.00 mi1.36 mi21128+848376+228376+2220516(Top 77%)8143(Top 71%)8143(Top 675%)
21M21.00 mi1.00 mi21032+968332+448332+4419457(Top 73%)7620(Top 67%)7620(Top 631%)
35K21.75 mi0.75 mi21046-148354-228354-2221538(Top 81%)8790(Top 77%)8790(Top 728%)
23M23.00 mi1.25 mi20991+558333+218333+2120529(Top 77%)8251(Top 72%)8251(Top 684%)
24M24.00 mi1.00 mi20940+518313+208313+2020243(Top 76%)8117(Top 71%)8117(Top 672%)
40K24.85 mi0.85 mi20875+658286+278286+2719833(Top 74%)7968(Top 70%)7968(Top 660%)
25.2M25.20 mi0.35 mi20840+358272+148272+1418663(Top 70%)7325(Top 64%)7325(Top 607%)
Finish26.22 mi1.02 mi20804+368260+128260+1220087(Top 75%)8055(Top 71%)8055(Top 667%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21883

Females

8722

F50-54

8722

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21835

Females

8732

F50-54

8732

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21883

Females

8722

F50-54

8722

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

21440

Females

8490

F50-54

8490

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21376

Females

8448

F50-54

8448

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20557

Females

8022

F50-54

8022

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

19980

Females

7757

F50-54

7757

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20516

Females

8143

F50-54

8143

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19457

Females

7620

F50-54

7620

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21538

Females

8790

F50-54

8790

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20529

Females

8251

F50-54

8251

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20243

Females

8117

F50-54

8117

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19833

Females

7968

F50-54

7968

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18663

Females

7325

F50-54

7325

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

20087

Females

8055

F50-54

8055

Passing Analysis

Category:
Athletes Passed
1702
Passed By
852
Net Change
+850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21654
5K → 10K243331-88#21654#21742
10K → 15K153176-23#21742#21765
15K → 20K15388+65#21765#21700
20K → Half2921+8#21700#21692
Half → 25K21624+192#21692#21500
25K → 30K30921+288#21500#21212
30K → 20M10622+84#21212#21128
20M → 21M12226+96#21128#21032
21M → 35K3549-14#21032#21046
35K → 23M9439+55#21046#20991
23M → 24M7221+51#20991#20940
24M → 40K7611+65#20940#20875
40K → 25.2M372+35#20875#20840
25.2M → Finish5721+36#20840#20804
TOTALS1702852+850
📊

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