Boston Marathon logo
BOSTON MARATHON 2023

Carrie Reinders

Bib: 19884•F

VA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 42%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:11/mi
25:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
50:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:16/mi
1:16:12
↑ 67↓ 78
20K· 12.43 mi
10:18/mi
1:48:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:53:49
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:14:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:41:52
↑ 181↓ 1480.2%
20M
8:56/mi
2:54:01
↑ 64↓ 500.2%
21M
9:16/mi
3:03:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
3:09:35
↑ 17↓ 861.7%
23M
8:49/mi
3:20:37
↑ 23↓ 630.6%
24M
8:28/mi
3:29:05
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:36:15
↓ 200.3%
25.2M
8:59/mi
3:39:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:56/mi
3:47:26
↑ 22↓ 21

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⚖️ Balanced
Distance13.11 mi
Time1:53:49
Pace8:41 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:53:37
Pace8:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4325:258:1125:25
8:11
-
10K
6.21 mi11:42:4950:318:0825:06
8:05
-0:06
15K
9.32 mi12:08:301:16:128:1125:41
8:16
+0:11
20K
12.43 mi12:40:311:48:138:4232:01
10:18
+2:02
Half
13.11 mi12:46:071:53:498:415:36
8:12
-2:06
25K
15.53 mi13:06:462:14:288:3920:39
8:31
+0:19
30K
18.64 mi13:34:102:41:528:4127:24
8:49
+0:18
20M
20.00 mi13:46:192:54:018:4212:09
8:56
+0:07
21M
21.00 mi13:55:353:03:178:449:16
9:16
+0:20
35K
21.75 mi14:01:533:09:358:436:18
8:25
-0:51
23M
23.00 mi14:12:553:20:378:4311:02
8:49
+0:24
24M
24.00 mi14:21:233:29:058:438:28
8:28
-0:21
40K
24.85 mi14:28:333:36:158:427:10
8:23
-0:05
25.2M
25.20 mi14:31:393:39:218:423:06
8:59
+0:36
Finish
26.22 mi14:39:443:47:268:418:05
7:56
-1:03

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

7:56 /mi

Average Pace

8:41 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:11

15% of race

Time at Steady Pace

1:39:17

44% of race

Time at Slower Pace

1:34:58

42% of race

Average Pace: 8:40 /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 mi11:17:4325:258:1125:25
8:11
#15346
10K
6.21 mi11:42:4950:318:0825:06
8:05
#15316
15K
9.32 mi12:08:301:16:128:1125:41
8:16
#15645
20K
12.43 mi12:40:311:48:138:4232:01
10:18
#18838
Half
13.11 mi12:46:071:53:498:415:36
8:12
#18705
25K
15.53 mi13:06:462:14:288:3920:39
8:31
#18309
30K
18.64 mi13:34:102:41:528:4127:24
8:49
#17875
20M
20.00 mi13:46:192:54:018:4212:09
8:56
#17733
21M
21.00 mi13:55:353:03:178:449:16
9:16
#17560
35K
21.75 mi14:01:533:09:358:436:18
8:25
#17447
23M
23.00 mi14:12:553:20:378:4311:02
8:49
#17297
24M
24.00 mi14:21:233:29:058:438:28
8:28
#17158
40K
24.85 mi14:28:333:36:158:427:10
8:23
#16997
25.2M
25.20 mi14:31:393:39:218:423:06
8:59
#16934
Finish
26.22 mi14:39:443:47:268:418:05
7:56
#16733
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi153464866486616336(Top 61%)5500(Top 48%)5500(Top 303%)
10K6.21 mi3.10 mi15316+304851+154851+1515384(Top 58%)4905(Top 43%)4905(Top 270%)
15K9.32 mi3.11 mi15645-3295065-2145065-21416336(Top 61%)5500(Top 48%)5500(Top 303%)
20K12.43 mi3.11 mi18838-31937022-19577022-195723476(Top 88%)9613(Top 84%)9613(Top 529%)
Half13.11 mi0.68 mi18705+1336938+846938+8415935(Top 60%)5267(Top 46%)5267(Top 290%)
25K15.53 mi2.42 mi18309+3966712+2266712+22616319(Top 61%)5626(Top 49%)5626(Top 310%)
30K18.64 mi3.11 mi17875+4346489+2236489+22316195(Top 61%)5611(Top 49%)5611(Top 309%)
20M20.00 mi1.36 mi17733+1426417+726417+7216241(Top 61%)5712(Top 50%)5712(Top 314%)
21M21.00 mi1.00 mi17560+1736333+846333+8414851(Top 56%)4970(Top 44%)4970(Top 274%)
35K21.75 mi0.75 mi17447+1136273+606273+6014904(Top 56%)5059(Top 44%)5059(Top 278%)
23M23.00 mi1.25 mi17297+1506193+806193+8015089(Top 57%)5235(Top 46%)5235(Top 288%)
24M24.00 mi1.00 mi17158+1396132+616132+6114325(Top 54%)4866(Top 43%)4866(Top 268%)
40K24.85 mi0.85 mi16997+1616061+716061+7112654(Top 48%)4046(Top 35%)4046(Top 223%)
25.2M25.20 mi0.35 mi16934+636034+276034+2712590(Top 47%)4049(Top 35%)4049(Top 223%)
Finish26.22 mi1.02 mi16733+2015922+1125922+11211676(Top 44%)3547(Top 31%)3547(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16336

Females

5500

F45-49

5500

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15384

Females

4905

F45-49

4905

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16336

Females

5500

F45-49

5500

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23476

Females

9613

F45-49

9613

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15935

Females

5267

F45-49

5267

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16319

Females

5626

F45-49

5626

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16195

Females

5611

F45-49

5611

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16241

Females

5712

F45-49

5712

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14851

Females

4970

F45-49

4970

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14904

Females

5059

F45-49

5059

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15089

Females

5235

F45-49

5235

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14325

Females

4866

F45-49

4866

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12654

Females

4046

F45-49

4046

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12590

Females

4049

F45-49

4049

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11676

Females

3547

F45-49

3547

Passing Analysis

Category:
Athletes Passed
2625
Passed By
4012
Net Change
-1387
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15346
5K → 10K323293+30#15346#15316
10K → 15K74403-329#15316#15645
15K → 20K53198-3193#15645#18838
20K → Half1330+133#18838#18705
Half → 25K4037+396#18705#18309
25K → 30K45622+434#18309#17875
30K → 20M16927+142#17875#17733
20M → 21M19219+173#17733#17560
21M → 35K1174+113#17560#17447
35K → 23M16717+150#17447#17297
23M → 24M15011+139#17297#17158
24M → 40K1676+161#17158#16997
40K → 25.2M663+63#16997#16934
25.2M → Finish2032+201#16934#16733
TOTALS26254012-1387
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing