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BOSTON MARATHON 2023

Christina Urbanski

Bib: 21742•F

MI

0:00
0:00
/ mi
Masters
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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
27:29
Rank: #19727
Start → 5K
8:51/mi
27:29 split
10K· 6.21 mi
54:18
Rank: #19348 (+379)
5K → 10K
8:38/mi
26:49 split
15K· 9.32 mi
1:21:29
Rank: #19287 (+61)
10K → 15K
8:45/mi
27:11 split
20K· 12.43 mi
1:48:54
Rank: #19128 (+159)
15K → 20K
8:49/mi
27:25 split
Half· 13.11 mi
1:54:52
Rank: #19130 (-2)
20K → Half
8:45/mi
5:58 split
25K· 15.53 mi
2:16:20
Rank: #18980 (+150)
Half → 25K
8:51/mi
21:28 split
30K· 18.64 mi
2:46:21
Rank: #19229 (-249)
25K → 30K
9:40/mi
30:01 split
20M
2:58:31
Rank: #18998 (+231)
30K → 20M
8:57/mi
12:10 split
21M
3:08:15
Rank: #18886 (+112)
20M → 21M
9:44/mi
9:44 split
35K· 21.75 mi
3:15:07
Rank: #18881 (+5)
21M → 35K
9:11/mi
6:52 split
23M
3:26:33
Rank: #18727 (+154)
35K → 23M
9:08/mi
11:26 split
24M
3:35:20
Rank: #18613 (+114)
23M → 24M
8:47/mi
8:47 split
40K· 24.85 mi
3:43:16
Rank: #18563 (+50)
24M → 40K
9:17/mi
7:56 split
25.2M
3:46:32
Rank: #18502 (+61)
40K → 25.2M
9:28/mi
3:16 split
Finish· 26.22 mi
3:55:31
Rank: #18460 (+42)
25.2M → Finish
8:49/mi
8:59 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:52
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:00:39
Pace9:12 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5727:298:5127:29
8:51
-
10K
6.21 mi11:50:4654:188:4426:49
8:38
-0:13
15K
9.32 mi12:17:571:21:298:4527:11
8:45
+0:07
20K
12.43 mi12:45:221:48:548:4627:25
8:49
+0:04
Half
13.11 mi12:51:201:54:528:465:58
8:45
-0:04
25K
15.53 mi13:12:482:16:208:4721:28
8:51
+0:06
30K
18.64 mi13:42:492:46:218:5530:01
9:40
+0:49
20M
20.00 mi13:54:592:58:318:5612:10
8:57
-0:43
21M
21.00 mi14:04:433:08:158:589:44
9:44
+0:47
35K
21.75 mi14:11:353:15:078:586:52
9:11
-0:33
23M
23.00 mi14:23:013:26:338:5911:26
9:08
-0:03
24M
24.00 mi14:31:483:35:208:588:47
8:47
-0:21
40K
24.85 mi14:39:443:43:168:597:56
9:17
+0:30
25.2M
25.20 mi14:43:003:46:328:593:16
9:28
+0:11
Finish
26.22 mi14:51:593:55:318:598:59
8:49
-0:39

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

8:38 /mi

Average Pace

8:59 /mi

Slowest Pace

9:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:46

83% of race

Time at Steady Pace

39:45

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:59 /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 mi11:23:5727:298:5127:29
8:51
#19727
10K
6.21 mi11:50:4654:188:4426:49
8:38
#19348
15K
9.32 mi12:17:571:21:298:4527:11
8:45
#19287
20K
12.43 mi12:45:221:48:548:4627:25
8:49
#19128
Half
13.11 mi12:51:201:54:528:465:58
8:45
#19130
25K
15.53 mi13:12:482:16:208:4721:28
8:51
#18980
30K
18.64 mi13:42:492:46:218:5530:01
9:40
#19229
20M
20.00 mi13:54:592:58:318:5612:10
8:57
#18998
21M
21.00 mi14:04:433:08:158:589:44
9:44
#18886
35K
21.75 mi14:11:353:15:078:586:52
9:11
#18881
23M
23.00 mi14:23:013:26:338:5911:26
9:08
#18727
24M
24.00 mi14:31:483:35:208:588:47
8:47
#18613
40K
24.85 mi14:39:443:43:168:597:56
9:17
#18563
25.2M
25.20 mi14:43:003:46:328:593:16
9:28
#18502
Finish
26.22 mi14:51:593:55:318:598:59
8:49
#18460
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi197277651765119240(Top 72%)7237(Top 63%)7237(Top 600%)
10K6.21 mi3.10 mi19348+3797367+2847367+28419028(Top 71%)7095(Top 62%)7095(Top 588%)
15K9.32 mi3.11 mi19287+617308+597308+5919240(Top 72%)7237(Top 63%)7237(Top 600%)
20K12.43 mi3.11 mi19128+1597193+1157193+11518815(Top 71%)6973(Top 61%)6973(Top 578%)
Half13.11 mi0.68 mi19130-27196-37196-319220(Top 72%)7211(Top 63%)7211(Top 597%)
25K15.53 mi2.42 mi18980+1507111+857111+8518254(Top 69%)6698(Top 59%)6698(Top 555%)
30K18.64 mi3.11 mi19229-2497273-1627273-16220013(Top 75%)7772(Top 68%)7772(Top 644%)
20M20.00 mi1.36 mi18998+2317158+1157158+11516319(Top 61%)5768(Top 50%)5768(Top 478%)
21M21.00 mi1.00 mi18886+1127098+607098+6017009(Top 64%)6202(Top 54%)6202(Top 514%)
35K21.75 mi0.75 mi18881+57107-97107-918669(Top 70%)7199(Top 63%)7199(Top 596%)
23M23.00 mi1.25 mi18727+1547033+747033+7416720(Top 63%)6151(Top 54%)6151(Top 510%)
24M24.00 mi1.00 mi18613+1146972+616972+6116142(Top 61%)5892(Top 52%)5892(Top 488%)
40K24.85 mi0.85 mi18563+506957+156957+1517451(Top 66%)6660(Top 58%)6660(Top 552%)
25.2M25.20 mi0.35 mi18502+616925+326925+3215166(Top 57%)5420(Top 47%)5420(Top 449%)
Finish26.22 mi1.02 mi18460+426911+146911+1417149(Top 64%)6464(Top 57%)6464(Top 536%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

19240

Females

7237

F50-54

7237

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

19028

Females

7095

F50-54

7095

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

19240

Females

7237

F50-54

7237

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18815

Females

6973

F50-54

6973

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19220

Females

7211

F50-54

7211

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18254

Females

6698

F50-54

6698

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

20013

Females

7772

F50-54

7772

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16319

Females

5768

F50-54

5768

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17009

Females

6202

F50-54

6202

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18669

Females

7199

F50-54

7199

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16720

Females

6151

F50-54

6151

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16142

Females

5892

F50-54

5892

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17451

Females

6660

F50-54

6660

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15166

Females

5420

F50-54

5420

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17149

Females

6464

F50-54

6464

Passing Analysis

Category:
Athletes Passed
2257
Passed By
990
Net Change
+1267
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19727
5K → 10K565186+379#19727#19348
10K → 15K217156+61#19348#19287
15K → 20K23980+159#19287#19128
20K → Half2729-2#19128#19130
Half → 25K19343+150#19130#18980
25K → 30K91340-249#18980#19229
30K → 20M2365+231#19229#18998
20M → 21M13927+112#18998#18886
21M → 35K4641+5#18886#18881
35K → 23M17016+154#18881#18727
23M → 24M12410+114#18727#18613
24M → 40K7727+50#18613#18563
40K → 25.2M632+61#18563#18502
25.2M → Finish7028+42#18502#18460
TOTALS2257990+1267
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing