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BOSTON MARATHON 2023

Kim Urmaza

Bib: 18251•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
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
25:15
Rank: #14923
Start → 5K
8:08/mi
25:15 split
10K· 6.21 mi
50:05
Rank: #14830 (+93)
5K → 10K
8:00/mi
24:50 split
15K· 9.32 mi
1:15:06
Rank: #14806 (+24)
10K → 15K
8:03/mi
25:01 split
20K· 12.43 mi
1:40:25
Rank: #14728 (+78)
15K → 20K
8:09/mi
25:19 split
Half· 13.11 mi
1:45:59
Rank: #14769 (-41)
20K → Half
8:10/mi
5:34 split
25K· 15.53 mi
2:06:03
Rank: #14744 (+25)
Half → 25K
8:17/mi
20:04 split
30K· 18.64 mi
2:32:28
Rank: #14653 (+91)
25K → 30K
8:30/mi
26:25 split
20M
2:44:06
Rank: #14590 (+63)
30K → 20M
8:34/mi
11:38 split
21M
2:52:49
Rank: #14404 (+186)
20M → 21M
8:43/mi
8:43 split
35K· 21.75 mi
2:59:03
Rank: #14401 (+3)
21M → 35K
8:20/mi
6:14 split
23M
3:09:38
Rank: #14295 (+106)
35K → 23M
8:27/mi
10:35 split
24M
3:18:00
Rank: #14249 (+46)
23M → 24M
8:22/mi
8:22 split
40K· 24.85 mi
3:25:20
Rank: #14215 (+34)
24M → 40K
8:35/mi
7:20 split
25.2M
3:28:19
Rank: #14145 (+70)
40K → 25.2M
8:39/mi
2:59 split
Finish· 26.22 mi
3:36:06
Rank: #13943 (+202)
25.2M → Finish
7:38/mi
7:47 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:59
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:50:07
Pace8:24 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1825:158:0825:15
8:08
-
10K
6.21 mi11:41:0850:058:0424:50
8:00
-0:08
15K
9.32 mi12:06:091:15:068:0325:01
8:03
+0:03
20K
12.43 mi12:31:281:40:258:0525:19
8:09
+0:06
Half
13.11 mi12:37:021:45:598:055:34
8:10
+0:01
25K
15.53 mi12:57:062:06:038:0720:04
8:17
+0:07
30K
18.64 mi13:23:312:32:288:1126:25
8:30
+0:13
20M
20.00 mi13:35:092:44:068:1211:38
8:34
+0:04
21M
21.00 mi13:43:522:52:498:148:43
8:43
+0:09
35K
21.75 mi13:50:062:59:038:146:14
8:20
-0:23
23M
23.00 mi14:00:413:09:388:1510:35
8:27
+0:07
24M
24.00 mi14:09:033:18:008:158:22
8:22
-0:05
40K
24.85 mi14:16:233:25:208:167:20
8:35
+0:13
25.2M
25.20 mi14:19:223:28:198:162:59
8:39
+0:04
Finish
26.22 mi14:27:093:36:068:157:47
7:38
-1:01

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

7:38 /mi

Average Pace

8:15 /mi

Slowest Pace

8:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:26

69% of race

Time at Steady Pace

1:07:40

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:15 /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 mi11:16:1825:158:0825:15
8:08
#14923
10K
6.21 mi11:41:0850:058:0424:50
8:00
#14830
15K
9.32 mi12:06:091:15:068:0325:01
8:03
#14806
20K
12.43 mi12:31:281:40:258:0525:19
8:09
#14728
Half
13.11 mi12:37:021:45:598:055:34
8:10
#14769
25K
15.53 mi12:57:062:06:038:0720:04
8:17
#14744
30K
18.64 mi13:23:312:32:288:1126:25
8:30
#14653
20M
20.00 mi13:35:092:44:068:1211:38
8:34
#14590
21M
21.00 mi13:43:522:52:498:148:43
8:43
#14404
35K
21.75 mi13:50:062:59:038:146:14
8:20
#14401
23M
23.00 mi14:00:413:09:388:1510:35
8:27
#14295
24M
24.00 mi14:09:033:18:008:158:22
8:22
#14249
40K
24.85 mi14:16:233:25:208:167:20
8:35
#14215
25.2M
25.20 mi14:19:223:28:198:162:59
8:39
#14145
Finish
26.22 mi14:27:093:36:068:157:47
7:38
#13943
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi149234594459414824(Top 56%)4581(Top 40%)4581(Top 94%)
10K6.21 mi3.10 mi14830+934544+504544+5014769(Top 55%)4522(Top 40%)4522(Top 93%)
15K9.32 mi3.11 mi14806+244543+14543+114824(Top 56%)4581(Top 40%)4581(Top 94%)
20K12.43 mi3.11 mi14728+784514+294514+2914590(Top 55%)4454(Top 39%)4454(Top 91%)
Half13.11 mi0.68 mi14769-414540-264540-2615506(Top 58%)4978(Top 44%)4978(Top 102%)
25K15.53 mi2.42 mi14744+254549-94549-914792(Top 56%)4696(Top 41%)4696(Top 96%)
30K18.64 mi3.11 mi14653+914528+214528+2114336(Top 54%)4526(Top 40%)4526(Top 93%)
20M20.00 mi1.36 mi14590+634521+74521+714014(Top 53%)4414(Top 39%)4414(Top 90%)
21M21.00 mi1.00 mi14404+1864438+834438+8311804(Top 44%)3310(Top 29%)3310(Top 68%)
35K21.75 mi0.75 mi14401+34445-74445-714307(Top 54%)4724(Top 41%)4724(Top 97%)
23M23.00 mi1.25 mi14295+1064411+344411+3412947(Top 49%)4043(Top 35%)4043(Top 83%)
24M24.00 mi1.00 mi14249+464398+134398+1313663(Top 51%)4482(Top 39%)4482(Top 92%)
40K24.85 mi0.85 mi14215+344401-34401-313839(Top 52%)4652(Top 41%)4652(Top 95%)
25.2M25.20 mi0.35 mi14145+704371+304371+3010572(Top 40%)2998(Top 26%)2998(Top 61%)
Finish26.22 mi1.02 mi13943+2024261+1104261+1109596(Top 36%)2526(Top 22%)2526(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14824

Females

4581

F18-39

4581

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14769

Females

4522

F18-39

4522

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14824

Females

4581

F18-39

4581

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14590

Females

4454

F18-39

4454

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15506

Females

4978

F18-39

4978

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14792

Females

4696

F18-39

4696

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14336

Females

4526

F18-39

4526

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14014

Females

4414

F18-39

4414

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11804

Females

3310

F18-39

3310

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14307

Females

4724

F18-39

4724

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

12947

Females

4043

F18-39

4043

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13663

Females

4482

F18-39

4482

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13839

Females

4652

F18-39

4652

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10572

Females

2998

F18-39

2998

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9596

Females

2526

F18-39

2526

Passing Analysis

Category:
Athletes Passed
2091
Passed By
1111
Net Change
+980
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14923
5K → 10K339246+93#14923#14830
10K → 15K202178+24#14830#14806
15K → 20K217139+78#14806#14728
20K → Half1455-41#14728#14769
Half → 25K154129+25#14769#14744
25K → 30K205114+91#14744#14653
30K → 20M11956+63#14653#14590
20M → 21M20014+186#14590#14404
21M → 35K4744+3#14404#14401
35K → 23M14337+106#14401#14295
23M → 24M9347+46#14295#14249
24M → 40K7945+34#14249#14215
40K → 25.2M700+70#14215#14145
25.2M → Finish2097+202#14145#13943
TOTALS20911111+980
📊

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