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BOSTON MARATHON 2023

Julie Rousseau

Bib: 18122•F

RI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Masters (Masters Women)
#0 / 6539
Top 22%
Division (F40-44)
#0 / 1878
Top 41%
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
8:19/mi
25:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:09/mi
51:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:16:27
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:41:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:47:07
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:06:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:32:35
↑ 181↓ 1480.2%
20M
8:29/mi
2:44:07
↑ 64↓ 500.2%
21M
8:51/mi
2:52:58
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:59:07
↑ 17↓ 861.7%
23M
8:19/mi
3:09:32
↑ 23↓ 630.6%
24M
8:05/mi
3:17:37
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:24:27
↓ 200.3%
25.2M
8:30/mi
3:27:23
↑ 13↓ 160.2%
Finish· 26.22 mi
7:28/mi
3:35:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:47:07
Pace8:10 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:47:53
Pace8:14 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4125:518:1925:51
8:19
-
10K
6.21 mi11:47:5951:098:1425:18
8:09
-0:10
15K
9.32 mi12:13:171:16:278:1225:18
8:09
0:00
20K
12.43 mi12:38:341:41:448:1125:17
8:08
-0:01
Half
13.11 mi12:43:571:47:078:105:23
7:53
-0:15
25K
15.53 mi13:03:322:06:428:0919:35
8:05
+0:12
30K
18.64 mi13:29:252:32:358:1125:53
8:20
+0:15
20M
20.00 mi13:40:572:44:078:1211:32
8:29
+0:09
21M
21.00 mi13:49:482:52:588:148:51
8:51
+0:22
35K
21.75 mi13:55:572:59:078:146:09
8:13
-0:38
23M
23.00 mi14:06:223:09:328:1410:25
8:19
+0:06
24M
24.00 mi14:14:273:17:378:148:05
8:05
-0:14
40K
24.85 mi14:21:173:24:278:146:50
8:00
-0:05
25.2M
25.20 mi14:24:133:27:238:142:56
8:30
+0:30
Finish
26.22 mi14:31:503:35:008:127:37
7:28
-1:02

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

7:28 /mi

Average Pace

8:12 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:23

57% of race

Time at Steady Pace

1:22:46

38% of race

Time at Slower Pace

8:51

4% of race

Average Pace: 8:12 /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 mi11:22:4125:518:1925:51
8:19
#16296
10K
6.21 mi11:47:5951:098:1425:18
8:09
#16050
15K
9.32 mi12:13:171:16:278:1225:18
8:09
#15841
20K
12.43 mi12:38:341:41:448:1125:17
8:08
#15484
Half
13.11 mi12:43:571:47:078:105:23
7:53
#15386
25K
15.53 mi13:03:322:06:428:0919:35
8:05
#15036
30K
18.64 mi13:29:252:32:358:1125:53
8:20
#14693
20M
20.00 mi13:40:572:44:078:1211:32
8:29
#14599
21M
21.00 mi13:49:482:52:588:148:51
8:51
#14461
35K
21.75 mi13:55:572:59:078:146:09
8:13
#14425
23M
23.00 mi14:06:223:09:328:1410:25
8:19
#14257
24M
24.00 mi14:14:273:17:378:148:05
8:05
#14125
40K
24.85 mi14:21:173:24:278:146:50
8:00
#13939
25.2M
25.20 mi14:24:133:27:238:142:56
8:30
#13869
Finish
26.22 mi14:31:503:35:008:127:37
7:28
#13632
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi162965463546315454(Top 58%)4948(Top 43%)4948(Top 263%)
10K6.21 mi3.10 mi16050+2465308+1555308+15515848(Top 60%)5171(Top 45%)5171(Top 275%)
15K9.32 mi3.11 mi15841+2095178+1305178+13015454(Top 58%)4948(Top 43%)4948(Top 263%)
20K12.43 mi3.11 mi15484+3574982+1964982+19614507(Top 54%)4406(Top 39%)4406(Top 235%)
Half13.11 mi0.68 mi15386+984928+544928+5413567(Top 51%)3843(Top 34%)3843(Top 205%)
25K15.53 mi2.42 mi15036+3504732+1964732+19613362(Top 50%)3846(Top 34%)3846(Top 205%)
30K18.64 mi3.11 mi14693+3434548+1844548+18413232(Top 50%)3885(Top 34%)3885(Top 207%)
20M20.00 mi1.36 mi14599+944526+224526+2213565(Top 51%)4154(Top 36%)4154(Top 221%)
21M21.00 mi1.00 mi14461+1384471+554471+5512567(Top 47%)3721(Top 33%)3721(Top 198%)
35K21.75 mi0.75 mi14425+364459+124459+1213615(Top 51%)4350(Top 38%)4350(Top 232%)
23M23.00 mi1.25 mi14257+1684386+734386+7312070(Top 45%)3559(Top 31%)3559(Top 190%)
24M24.00 mi1.00 mi14125+1324324+624324+6211869(Top 45%)3531(Top 31%)3531(Top 188%)
40K24.85 mi0.85 mi13939+1864235+894235+8910061(Top 38%)2698(Top 24%)2698(Top 144%)
25.2M25.20 mi0.35 mi13869+704199+364199+369698(Top 36%)2581(Top 23%)2581(Top 137%)
Finish26.22 mi1.02 mi13632+2374067+1324067+1328412(Top 32%)2013(Top 18%)2013(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15454

Females

4948

F40-44

4948

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15848

Females

5171

F40-44

5171

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15454

Females

4948

F40-44

4948

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14507

Females

4406

F40-44

4406

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13567

Females

3843

F40-44

3843

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13362

Females

3846

F40-44

3846

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13232

Females

3885

F40-44

3885

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13565

Females

4154

F40-44

4154

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12567

Females

3721

F40-44

3721

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13615

Females

4350

F40-44

4350

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12070

Females

3559

F40-44

3559

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11869

Females

3531

F40-44

3531

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10061

Females

2698

F40-44

2698

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9698

Females

2581

F40-44

2581

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8412

Females

2013

F40-44

2013

Passing Analysis

Category:
Athletes Passed
3170
Passed By
506
Net Change
+2664
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16296
5K → 10K421175+246#16296#16050
10K → 15K320111+209#16050#15841
15K → 20K39235+357#15841#15484
20K → Half1046+98#15484#15386
Half → 25K36111+350#15386#15036
25K → 30K37835+343#15036#14693
30K → 20M13440+94#14693#14599
20M → 21M16123+138#14599#14461
21M → 35K6327+36#14461#14425
35K → 23M18315+168#14425#14257
23M → 24M14513+132#14257#14125
24M → 40K1937+186#14125#13939
40K → 25.2M755+70#13939#13869
25.2M → Finish2403+237#13869#13632
TOTALS3170506+2664
📊

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