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BOSTON MARATHON 2023

Erica Brouillette

Bib: 31131•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
10:30/mi
32:36
↑ 97↓ 3451.5%
10K· 6.21 mi
10:21/mi
1:04:45
↑ 79↓ 1380.4%
15K· 9.32 mi
10:03/mi
1:35:58
↑ 67↓ 78
20K· 12.43 mi
10:13/mi
2:07:41
↑ 106↓ 860.1%
Half· 13.11 mi
9:37/mi
2:14:15
↑ 19↓ 370.5%
25K· 15.53 mi
9:54/mi
2:38:16
↑ 66↓ 880.2%
30K· 18.64 mi
10:07/mi
3:09:42
↑ 181↓ 1480.2%
20M
10:10/mi
3:23:31
↑ 64↓ 500.2%
21M
10:46/mi
3:34:17
↑ 106↓ 241.6%
35K· 21.75 mi
9:13/mi
3:41:11
↑ 17↓ 861.7%
23M
10:09/mi
3:53:53
↑ 23↓ 630.6%
24M
10:00/mi
4:03:53
↓ 821.3%
40K· 24.85 mi
10:09/mi
4:12:34
↓ 200.3%
25.2M
10:21/mi
4:16:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
4:25:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:14:15
Pace10:14 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:10:52
Pace9:59 /mi
📊Negative Split: 2.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4432:3610:3032:36
10:30
-
10K
6.21 mi12:24:531:04:4510:2532:09
10:21
-0:09
15K
9.32 mi12:56:061:35:5810:1831:13
10:03
-0:18
20K
12.43 mi13:27:492:07:4110:1631:43
10:13
+0:10
Half
13.11 mi13:34:232:14:1510:146:34
9:37
-0:36
25K
15.53 mi13:58:242:38:1610:1124:01
9:54
+0:17
30K
18.64 mi14:29:503:09:4210:1131:26
10:07
+0:13
20M
20.00 mi14:43:393:23:3110:1113:49
10:10
+0:03
21M
21.00 mi14:54:253:34:1710:1210:46
10:46
+0:36
35K
21.75 mi15:01:193:41:1110:106:54
9:13
-1:33
23M
23.00 mi15:14:013:53:5310:1012:42
10:09
+0:56
24M
24.00 mi15:24:014:03:5310:1010:00
10:00
-0:09
40K
24.85 mi15:32:424:12:3410:108:41
10:09
+0:09
25.2M
25.20 mi15:36:164:16:0810:103:34
10:21
+0:12
Finish
26.22 mi15:45:154:25:0710:078:59
8:49
-1:32

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

8:49 /mi

Average Pace

10:07 /mi

Slowest Pace

10:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:28

18% of race

Time at Steady Pace

2:55:17

66% of race

Time at Slower Pace

43:22

16% of race

Average Pace: 10:07 /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 mi11:52:4432:3610:3032:36
10:30
#24693
10K
6.21 mi12:24:531:04:4510:2532:09
10:21
#24532
15K
9.32 mi12:56:061:35:5810:1831:13
10:03
#24215
20K
12.43 mi13:27:492:07:4110:1631:43
10:13
#23968
Half
13.11 mi13:34:232:14:1510:146:34
9:37
#23885
25K
15.53 mi13:58:242:38:1610:1124:01
9:54
#23585
30K
18.64 mi14:29:503:09:4210:1131:26
10:07
#23207
20M
20.00 mi14:43:393:23:3110:1113:49
10:10
#23032
21M
21.00 mi14:54:253:34:1710:1210:46
10:46
#22889
35K
21.75 mi15:01:193:41:1110:106:54
9:13
#22767
23M
23.00 mi15:14:013:53:5310:1012:42
10:09
#22630
24M
24.00 mi15:24:014:03:5310:1010:00
10:00
#22557
40K
24.85 mi15:32:424:12:3410:108:41
10:09
#22486
25.2M
25.20 mi15:36:164:16:0810:103:34
10:21
#22434
Finish
26.22 mi15:45:154:25:0710:078:59
8:49
#22315
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24693102651026523591(Top 89%)9663(Top 85%)9663(Top 198%)
10K6.21 mi3.10 mi24532+16110177+8810177+8824397(Top 92%)10112(Top 89%)10112(Top 207%)
15K9.32 mi3.11 mi24215+31710010+16710010+16723591(Top 89%)9663(Top 85%)9663(Top 198%)
20K12.43 mi3.11 mi23968+2479871+1399871+13923308(Top 88%)9516(Top 83%)9516(Top 195%)
Half13.11 mi0.68 mi23885+839821+509821+5022478(Top 84%)9063(Top 79%)9063(Top 186%)
25K15.53 mi2.42 mi23585+3009665+1569665+15622010(Top 83%)8845(Top 77%)8845(Top 181%)
30K18.64 mi3.11 mi23207+3789485+1809485+18021335(Top 80%)8538(Top 75%)8538(Top 175%)
20M20.00 mi1.36 mi23032+1759415+709415+7020938(Top 79%)8381(Top 73%)8381(Top 172%)
21M21.00 mi1.00 mi22889+1439348+679348+6720312(Top 76%)8100(Top 71%)8100(Top 166%)
35K21.75 mi0.75 mi22767+1229294+549294+5418886(Top 71%)7340(Top 64%)7340(Top 150%)
23M23.00 mi1.25 mi22630+1379227+679227+6720435(Top 77%)8198(Top 72%)8198(Top 168%)
24M24.00 mi1.00 mi22557+739196+319196+3120797(Top 78%)8434(Top 74%)8434(Top 173%)
40K24.85 mi0.85 mi22486+719161+359161+3520403(Top 77%)8284(Top 73%)8284(Top 170%)
25.2M25.20 mi0.35 mi22434+529139+229139+2218681(Top 70%)7343(Top 64%)7343(Top 150%)
Finish26.22 mi1.02 mi22315+1199072+679072+6717159(Top 64%)6474(Top 57%)6474(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23591

Females

9663

F18-39

9663

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24397

Females

10112

F18-39

10112

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23591

Females

9663

F18-39

9663

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23308

Females

9516

F18-39

9516

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22478

Females

9063

F18-39

9063

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22010

Females

8845

F18-39

8845

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21335

Females

8538

F18-39

8538

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

20938

Females

8381

F18-39

8381

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20312

Females

8100

F18-39

8100

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18886

Females

7340

F18-39

7340

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20435

Females

8198

F18-39

8198

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20797

Females

8434

F18-39

8434

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20403

Females

8284

F18-39

8284

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18681

Females

7343

F18-39

7343

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17159

Females

6474

F18-39

6474

Passing Analysis

Category:
Athletes Passed
2574
Passed By
196
Net Change
+2378
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24693
5K → 10K293132+161#24693#24532
10K → 15K34528+317#24532#24215
15K → 20K26316+247#24215#23968
20K → Half863+83#23968#23885
Half → 25K3011+300#23885#23585
25K → 30K3802+378#23585#23207
30K → 20M1772+175#23207#23032
20M → 21M1452+143#23032#22889
21M → 35K1242+122#22889#22767
35K → 23M1403+137#22767#22630
23M → 24M763+73#22630#22557
24M → 40K721+71#22557#22486
40K → 25.2M531+52#22486#22434
25.2M → Finish1190+119#22434#22315
TOTALS2574196+2378
📊

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