Boston Marathon logo
BOSTON MARATHON 2023

Kimberly Rosenberg

FL

Bib: 26222 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
11:10/mi
34:43
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
11:21/mi
1:09:58
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
12:47/mi
1:49:40
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
13:49/mi
2:32:36
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
12:36/mi
2:41:12
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
15:19/mi
3:18:20
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
14:32/mi
4:03:28
↑ 181↓ 1480.2%
138 ft elev
20M
15:33/mi
4:24:36
↑ 64↓ 500.2%
148 ft elev
21M
16:00/mi
4:40:36
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
12:33/mi
4:49:59
↑ 17↓ 861.7%
156 ft elev
23M
13:48/mi
5:07:16
↑ 23↓ 630.6%
116 ft elev
24M
12:55/mi
5:20:11
↓ 821.3%
34 ft elev
40K· 24.85 mi
14:20/mi
5:32:26
↓ 200.3%
20 ft elev
25.2M
16:23/mi
5:38:05
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
12:41/mi
5:51:00
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:41:1212:18 /mi⚡ faster
2nd Half
3:09:4814:29 /mi+17.7%
Positive split — 17.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
34:4311:103.11 mi34:43
11:10
-
10K
1:09:5811:163.10 mi35:15
11:21
+0:11
15K
1:49:4011:463.11 mi39:42
12:47
+1:26
20K
2:32:3612:173.11 mi42:56
13:49
+1:02
Half(13.11 mi)
2:41:1212:180.68 mi8:36
12:36
-1:13
25K
3:18:2012:462.42 mi37:08
15:19
+2:43
30K
4:03:2813:043.11 mi45:08
14:32
-0:47
20M
4:24:3613:141.36 mi21:08
15:33
+1:01
21M
4:40:3613:221.00 mi16:00
16:00
+0:27
35K
4:49:5913:200.75 mi9:23
12:33
-3:27
23M
5:07:1613:221.25 mi17:17
13:48
+1:15
24M
5:20:1113:201.00 mi12:55
12:55
-0:53
40K
5:32:2613:220.85 mi12:15
14:20
+1:25
25.2M
5:38:0513:250.35 mi5:39
16:23
+2:03
Finish(26.22 mi)
5:51:0013:241.02 mi12:55
12:41
-3:42
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:10 /mi

Average Pace

13:24 /mi

Slowest Pace

16:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:33:29

44% of race

Time at Steady Pace

1:57:36

34% of race

Time at Slower Pace

1:19:55

23% of race

Average Pace: 13:23 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi259111099510995264271131511315
10K3.10 mi25875+3610967+2810967+28258401093910939
15K3.11 mi26156-28111140-17311140-173264271131511315
20K3.11 mi26313-15711234-9411234-94264971135311353
Half(13.11 mi)0.68 mi26312+111235-111235-1262151119211192
25K2.42 mi26431-11911311-7611311-76265721139811398
30K3.11 mi26424+711306+511306+5262591123211232
20M1.36 mi26449-2511323-1711323-17264341133611336
21M1.00 mi26451-211325-211325-2262251123511235
35K0.75 mi26426+2511311+1411311+14252301077810778
23M1.25 mi26403+2311297+1411297+14257051100511005
24M1.00 mi26378+2511283+1411283+14254211089310893
40K0.85 mi26373+511282+111282+1258671111211112
25.2M0.35 mi26377-411288-611288-6262391127311273
Finish(26.22 mi)1.02 mi26370+711284+411284+4257831106611066

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26427

Females

11315

F50-54

11315

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25840

Females

10939

F50-54

10939

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26427

Females

11315

F50-54

11315

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

26497

Females

11353

F50-54

11353

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

26215

Females

11192

F50-54

11192

Half→25K

13.1 - 15.5 mi

Top 100%
×4story building
+66ft-88ft

Overall

26572

Females

11398

F50-54

11398

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26259

Females

11232

F50-54

11232

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26434

Females

11336

F50-54

11336

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

26225

Females

11235

F50-54

11235

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25230

Females

10778

F50-54

10778

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25705

Females

11005

F50-54

11005

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

25421

Females

10893

F50-54

10893

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25867

Females

11112

F50-54

11112

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26239

Females

11273

F50-54

11273

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

25783

Females

11066

F50-54

11066

Passing Analysis

Category:
Passed
310
Passed By
769
Net Change
-459
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25911
5K → 10K137101+36#25911#25875
10K → 15K4285-281#25875#26156
15K → 20K12169-157#26156#26313
20K → Half1110+1#26313#26312
Half → 25K2121-119#26312#26431
25K → 30K2619+7#26431#26424
30K → 20M934-25#26424#26449
20M → 21M46-2#26449#26451
21M → 35K250+25#26451#26426
35K → 23M274+23#26426#26403
23M → 24M250+25#26403#26378
24M → 40K127+5#26378#26373
40K → 25.2M37-4#26373#26377
25.2M → Finish136+7#26377#26370
TOTALS310769-459

Passing Charts

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