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BOSTON MARATHON 2023

Trudy Boulia

Bib: 21956•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 44%
Division (F50-54)
#0 / 1207
Top 38%
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
8:40/mi
26:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
53:33
↑ 79↓ 1380.4%
15K· 9.32 mi
8:35/mi
1:20:14
↑ 67↓ 78
20K· 12.43 mi
8:40/mi
1:47:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:53:00
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:14:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:41:46
↑ 181↓ 1480.2%
20M
8:50/mi
2:53:46
↑ 64↓ 500.2%
21M
9:37/mi
3:03:23
↑ 106↓ 241.6%
35K· 21.75 mi
8:35/mi
3:09:48
↑ 17↓ 861.7%
23M
8:38/mi
3:20:37
↑ 23↓ 630.6%
24M
8:32/mi
3:29:09
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:36:38
↓ 200.3%
25.2M
9:43/mi
3:39:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:48:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:00
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time1:55:46
Pace8:50 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1026:578:4026:57
8:40
-
10K
6.21 mi11:46:4653:338:3726:36
8:34
-0:06
15K
9.32 mi12:13:271:20:148:3626:41
8:35
+0:01
20K
12.43 mi12:40:241:47:118:3726:57
8:40
+0:05
Half
13.11 mi12:46:131:53:008:375:49
8:32
-0:08
25K
15.53 mi13:07:162:14:038:3821:03
8:41
+0:09
30K
18.64 mi13:34:592:41:468:4127:43
8:55
+0:14
20M
20.00 mi13:46:592:53:468:4112:00
8:50
-0:05
21M
21.00 mi13:56:363:03:238:449:37
9:37
+0:47
35K
21.75 mi14:03:013:09:488:446:25
8:35
-1:02
23M
23.00 mi14:13:503:20:378:4310:49
8:38
+0:03
24M
24.00 mi14:22:223:29:098:438:32
8:32
-0:06
40K
24.85 mi14:29:513:36:388:437:29
8:45
+0:13
25.2M
25.20 mi14:33:123:39:598:443:21
9:43
+0:58
Finish
26.22 mi14:41:593:48:468:448:47
8:37
-1:06

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

8:32 /mi

Average Pace

8:44 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:35:48

94% of race

Time at Steady Pace

12:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:43 /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 mi11:20:1026:578:4026:57
8:40
#18714
10K
6.21 mi11:46:4653:338:3726:36
8:34
#18622
15K
9.32 mi12:13:271:20:148:3626:41
8:35
#18524
20K
12.43 mi12:40:241:47:118:3726:57
8:40
#18353
Half
13.11 mi12:46:131:53:008:375:49
8:32
#18324
25K
15.53 mi13:07:162:14:038:3821:03
8:41
#18142
30K
18.64 mi13:34:592:41:468:4127:43
8:55
#17837
20M
20.00 mi13:46:592:53:468:4112:00
8:50
#17655
21M
21.00 mi13:56:363:03:238:449:37
9:37
#17584
35K
21.75 mi14:03:013:09:488:446:25
8:35
#17508
23M
23.00 mi14:13:503:20:378:4310:49
8:38
#17298
24M
24.00 mi14:22:223:29:098:438:32
8:32
#17180
40K
24.85 mi14:29:513:36:388:437:29
8:45
#17090
25.2M
25.20 mi14:33:123:39:598:443:21
9:43
#17082
Finish
26.22 mi14:41:593:48:468:448:47
8:37
#17043
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi187147010701018370(Top 69%)6714(Top 59%)6714(Top 556%)
10K6.21 mi3.10 mi18622+926894+1166894+11618645(Top 70%)6861(Top 60%)6861(Top 568%)
15K9.32 mi3.11 mi18524+986830+646830+6418370(Top 69%)6714(Top 59%)6714(Top 556%)
20K12.43 mi3.11 mi18353+1716722+1086722+10817964(Top 67%)6490(Top 57%)6490(Top 538%)
Half13.11 mi0.68 mi18324+296702+206702+2017872(Top 67%)6401(Top 56%)6401(Top 530%)
25K15.53 mi2.42 mi18142+1826617+856617+8517291(Top 65%)6164(Top 54%)6164(Top 511%)
30K18.64 mi3.11 mi17837+3056461+1566461+15616778(Top 63%)5939(Top 52%)5939(Top 492%)
20M20.00 mi1.36 mi17655+1826362+996362+9915634(Top 59%)5356(Top 47%)5356(Top 444%)
21M21.00 mi1.00 mi17584+716347+156347+1516527(Top 62%)5931(Top 52%)5931(Top 491%)
35K21.75 mi0.75 mi17508+766313+346313+3415777(Top 59%)5572(Top 49%)5572(Top 462%)
23M23.00 mi1.25 mi17298+2106194+1196194+11914056(Top 53%)4657(Top 41%)4657(Top 386%)
24M24.00 mi1.00 mi17180+1186143+516143+5114715(Top 55%)5083(Top 44%)5083(Top 421%)
40K24.85 mi0.85 mi17090+906111+326111+3214865(Top 56%)5227(Top 46%)5227(Top 433%)
25.2M25.20 mi0.35 mi17082+86110+16110+116241(Top 61%)6008(Top 53%)6008(Top 498%)
Finish26.22 mi1.02 mi17043+396100+106100+1016111(Top 61%)5883(Top 52%)5883(Top 487%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18370

Females

6714

F50-54

6714

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18645

Females

6861

F50-54

6861

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18370

Females

6714

F50-54

6714

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17964

Females

6490

F50-54

6490

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

17872

Females

6401

F50-54

6401

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17291

Females

6164

F50-54

6164

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16778

Females

5939

F50-54

5939

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15634

Females

5356

F50-54

5356

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16527

Females

5931

F50-54

5931

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15777

Females

5572

F50-54

5572

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14056

Females

4657

F50-54

4657

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14715

Females

5083

F50-54

5083

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14865

Females

5227

F50-54

5227

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16241

Females

6008

F50-54

6008

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

16111

Females

5883

F50-54

5883

Passing Analysis

Category:
Athletes Passed
2494
Passed By
823
Net Change
+1671
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18714
5K → 10K397305+92#18714#18622
10K → 15K228130+98#18622#18524
15K → 20K24877+171#18524#18353
20K → Half4516+29#18353#18324
Half → 25K23048+182#18324#18142
25K → 30K35954+305#18142#17837
30K → 20M19412+182#17837#17655
20M → 21M13059+71#17655#17584
21M → 35K8711+76#17584#17508
35K → 23M2166+210#17508#17298
23M → 24M13921+118#17298#17180
24M → 40K10313+90#17180#17090
40K → 25.2M3224+8#17090#17082
25.2M → Finish8647+39#17082#17043
TOTALS2494823+1671
📊

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