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BOSTON MARATHON 2023

Julie Ungerleider

Bib: 15795•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 41%
Division (F55-59)
#0 / 815
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:46
Rank: #16110
Start → 5K
8:18/mi
25:46 split
10K· 6.21 mi
51:25
Rank: #16332 (-222)
5K → 10K
8:15/mi
25:39 split
15K· 9.32 mi
1:17:26
Rank: #16573 (-241)
10K → 15K
8:22/mi
26:01 split
20K· 12.43 mi
1:43:56
Rank: #16726 (-153)
15K → 20K
8:32/mi
26:30 split
Half· 13.11 mi
1:49:40
Rank: #16737 (-11)
20K → Half
8:24/mi
5:44 split
25K· 15.53 mi
2:10:36
Rank: #16788 (-51)
Half → 25K
8:38/mi
20:56 split
30K· 18.64 mi
2:38:25
Rank: #16764 (+24)
25K → 30K
8:57/mi
27:49 split
20M
2:50:26
Rank: #16676 (+88)
30K → 20M
8:51/mi
12:01 split
21M
3:00:03
Rank: #16655 (+21)
20M → 21M
9:37/mi
9:37 split
35K· 21.75 mi
3:06:35
Rank: #16633 (+22)
21M → 35K
8:44/mi
6:32 split
23M
3:18:02
Rank: #16641 (-8)
35K → 23M
9:09/mi
11:27 split
24M
3:26:49
Rank: #16608 (+33)
23M → 24M
8:47/mi
8:47 split
40K· 24.85 mi
3:34:35
Rank: #16603 (+5)
24M → 40K
9:05/mi
7:46 split
25.2M
3:37:57
Rank: #16591 (+12)
40K → 25.2M
9:46/mi
3:22 split
Finish· 26.22 mi
3:46:59
Rank: #16616 (-25)
25.2M → Finish
8:52/mi
9:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:40
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:57:19
Pace8:57 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0425:468:1825:46
8:18
-
10K
6.21 mi11:22:4351:258:1625:39
8:15
-0:03
15K
9.32 mi11:48:441:17:268:1826:01
8:22
+0:07
20K
12.43 mi12:15:141:43:568:2226:30
8:32
+0:10
Half
13.11 mi12:20:581:49:408:225:44
8:24
-0:08
25K
15.53 mi12:41:542:10:368:2420:56
8:38
+0:14
30K
18.64 mi13:09:432:38:258:3027:49
8:57
+0:19
20M
20.00 mi13:21:442:50:268:3112:01
8:51
-0:06
21M
21.00 mi13:31:213:00:038:349:37
9:37
+0:46
35K
21.75 mi13:37:533:06:358:356:32
8:44
-0:53
23M
23.00 mi13:49:203:18:028:3711:27
9:09
+0:25
24M
24.00 mi13:58:073:26:498:378:47
8:47
-0:22
40K
24.85 mi14:05:533:34:358:387:46
9:05
+0:18
25.2M
25.20 mi14:09:153:37:578:393:22
9:46
+0:41
Finish
26.22 mi14:18:173:46:598:409:02
8:52
-0:54

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

8:15 /mi

Average Pace

8:40 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:47

86% of race

Time at Steady Pace

28:50

13% of race

Time at Slower Pace

3:22

1% of race

Average Pace: 8:39 /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 mi10:57:0425:468:1825:46
8:18
#16110
10K
6.21 mi11:22:4351:258:1625:39
8:15
#16332
15K
9.32 mi11:48:441:17:268:1826:01
8:22
#16573
20K
12.43 mi12:15:141:43:568:2226:30
8:32
#16726
Half
13.11 mi12:20:581:49:408:225:44
8:24
#16737
25K
15.53 mi12:41:542:10:368:2420:56
8:38
#16788
30K
18.64 mi13:09:432:38:258:3027:49
8:57
#16764
20M
20.00 mi13:21:442:50:268:3112:01
8:51
#16676
21M
21.00 mi13:31:213:00:038:349:37
9:37
#16655
35K
21.75 mi13:37:533:06:358:356:32
8:44
#16633
23M
23.00 mi13:49:203:18:028:3711:27
9:09
#16641
24M
24.00 mi13:58:073:26:498:378:47
8:47
#16608
40K
24.85 mi14:05:533:34:358:387:46
9:05
#16603
25.2M
25.20 mi14:09:153:37:578:393:22
9:46
#16591
Finish
26.22 mi14:18:173:46:598:409:02
8:52
#16616
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi161105354535417003(Top 64%)5917(Top 52%)5917(Top 726%)
10K6.21 mi3.10 mi16332-2225481-1275481-12716630(Top 62%)5656(Top 50%)5656(Top 694%)
15K9.32 mi3.11 mi16573-2415647-1665647-16617003(Top 64%)5917(Top 52%)5917(Top 726%)
20K12.43 mi3.11 mi16726-1535754-1075754-10717049(Top 64%)5952(Top 52%)5952(Top 730%)
Half13.11 mi0.68 mi16737-115769-155769-1517192(Top 65%)6008(Top 53%)6008(Top 737%)
25K15.53 mi2.42 mi16788-515828-595828-5917013(Top 64%)6013(Top 53%)6013(Top 738%)
30K18.64 mi3.11 mi16764+245833-55833-516935(Top 64%)6026(Top 53%)6026(Top 739%)
20M20.00 mi1.36 mi16676+885797+365797+3615691(Top 59%)5390(Top 47%)5390(Top 661%)
21M21.00 mi1.00 mi16655+215793+45793+416522(Top 62%)5926(Top 52%)5926(Top 727%)
35K21.75 mi0.75 mi16633+225792+15792+116611(Top 62%)6051(Top 53%)6051(Top 742%)
23M23.00 mi1.25 mi16641-85814-225814-2216785(Top 63%)6177(Top 54%)6177(Top 758%)
24M24.00 mi1.00 mi16608+335809+55809+516129(Top 61%)5879(Top 51%)5879(Top 721%)
40K24.85 mi0.85 mi16603+55832-235832-2316579(Top 62%)6169(Top 54%)6169(Top 757%)
25.2M25.20 mi0.35 mi16591+125824+85824+816414(Top 62%)6108(Top 53%)6108(Top 749%)
Finish26.22 mi1.02 mi16616-255846-225846-2217352(Top 65%)6560(Top 57%)6560(Top 805%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

17003

Females

5917

F55-59

5917

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16630

Females

5656

F55-59

5656

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

17003

Females

5917

F55-59

5917

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

17049

Females

5952

F55-59

5952

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17192

Females

6008

F55-59

6008

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17013

Females

6013

F55-59

6013

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16935

Females

6026

F55-59

6026

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15691

Females

5390

F55-59

5390

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16522

Females

5926

F55-59

5926

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16611

Females

6051

F55-59

6051

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16785

Females

6177

F55-59

6177

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16129

Females

5879

F55-59

5879

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16579

Females

6169

F55-59

6169

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16414

Females

6108

F55-59

6108

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17352

Females

6560

F55-59

6560

Passing Analysis

Category:
Athletes Passed
1343
Passed By
1849
Net Change
-506
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16110
5K → 10K208430-222#16110#16332
10K → 15K113354-241#16332#16573
15K → 20K122275-153#16573#16726
20K → Half2435-11#16726#16737
Half → 25K111162-51#16737#16788
25K → 30K182158+24#16788#16764
30K → 20M12840+88#16764#16676
20M → 21M9372+21#16676#16655
21M → 35K6442+22#16655#16633
35K → 23M7987-8#16633#16641
23M → 24M7744+33#16641#16608
24M → 40K6257+5#16608#16603
40K → 25.2M3826+12#16603#16591
25.2M → Finish4267-25#16591#16616
TOTALS13431849-506
📊

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