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BOSTON MARATHON 2023

Julia Frechette

Bib: 11867•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 6%
Division (F18-39)
#0 / 4884
Top 11%
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
7:17/mi
22:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
44:51
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:07:06
↑ 67↓ 78
20K· 12.43 mi
7:14/mi
1:29:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:34:30
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:52:13
↑ 66↓ 880.2%
30K· 18.64 mi
7:19/mi
2:14:57
↑ 181↓ 1480.2%
20M
7:23/mi
2:24:59
↑ 64↓ 500.2%
21M
7:30/mi
2:32:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:38:08
↑ 17↓ 861.7%
23M
7:07/mi
2:47:03
↑ 23↓ 630.6%
24M
7:09/mi
2:54:12
↓ 821.3%
40K· 24.85 mi
7:13/mi
3:00:22
↓ 200.3%
25.2M
7:29/mi
3:02:57
↑ 13↓ 160.2%
Finish· 26.22 mi
6:29/mi
3:09:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:34:30
Pace7:13 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:03
Pace7:15 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4022:377:1722:37
7:17
-
10K
6.21 mi11:11:5444:517:1322:14
7:09
-0:08
15K
9.32 mi11:34:091:07:067:1222:15
7:10
+0:01
20K
12.43 mi11:56:381:29:357:1322:29
7:14
+0:04
Half
13.11 mi12:01:331:34:307:134:55
7:12
-0:02
25K
15.53 mi12:19:161:52:137:1317:43
7:18
+0:06
30K
18.64 mi12:42:002:14:577:1422:44
7:19
+0:01
20M
20.00 mi12:52:022:24:597:1510:02
7:23
+0:04
21M
21.00 mi12:59:322:32:297:167:30
7:30
+0:07
35K
21.75 mi13:05:112:38:087:165:39
7:33
+0:03
23M
23.00 mi13:14:062:47:037:168:55
7:07
-0:26
24M
24.00 mi13:21:152:54:127:167:09
7:09
+0:02
40K
24.85 mi13:27:253:00:227:156:10
7:13
+0:04
25.2M
25.20 mi13:30:003:02:577:162:35
7:29
+0:16
Finish
26.22 mi13:36:363:09:337:146:36
6:29
-1:00

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

6:29 /mi

Average Pace

7:14 /mi

Slowest Pace

7:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:31

8% of race

Time at Steady Pace

2:54:02

92% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:14 /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 mi10:49:4022:377:1722:37
7:17
#7999
10K
6.21 mi11:11:5444:517:1322:14
7:09
#7884
15K
9.32 mi11:34:091:07:067:1222:15
7:10
#7744
20K
12.43 mi11:56:381:29:357:1322:29
7:14
#7614
Half
13.11 mi12:01:331:34:307:134:55
7:12
#7608
25K
15.53 mi12:19:161:52:137:1317:43
7:18
#7540
30K
18.64 mi12:42:002:14:577:1422:44
7:19
#7230
20M
20.00 mi12:52:022:24:597:1510:02
7:23
#7114
21M
21.00 mi12:59:322:32:297:167:30
7:30
#6930
35K
21.75 mi13:05:112:38:087:165:39
7:33
#6961
23M
23.00 mi13:14:062:47:037:168:55
7:07
#6766
24M
24.00 mi13:21:152:54:127:167:09
7:09
#6679
40K
24.85 mi13:27:253:00:227:156:10
7:13
#6563
25.2M
25.20 mi13:30:003:02:577:162:35
7:29
#6507
Finish
26.22 mi13:36:363:09:337:146:36
6:29
#6318
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi7999101210127541(Top 28%)907(Top 8%)907(Top 19%)
10K6.21 mi3.10 mi7884+115974+38974+387817(Top 29%)989(Top 9%)989(Top 20%)
15K9.32 mi3.11 mi7744+140946+28946+287541(Top 28%)907(Top 8%)907(Top 19%)
20K12.43 mi3.11 mi7614+130921+25921+257347(Top 28%)880(Top 8%)880(Top 18%)
Half13.11 mi0.68 mi7608+6922-1922-17937(Top 30%)1046(Top 9%)1046(Top 21%)
25K15.53 mi2.42 mi7540+68906+16906+167336(Top 28%)950(Top 8%)950(Top 19%)
30K18.64 mi3.11 mi7230+310833+73833+736131(Top 23%)663(Top 6%)663(Top 14%)
20M20.00 mi1.36 mi7114+116814+19814+196117(Top 23%)731(Top 6%)731(Top 15%)
21M21.00 mi1.00 mi6930+184780+34780+344610(Top 17%)423(Top 4%)423(Top 9%)
35K21.75 mi0.75 mi6961-31797-17797-178934(Top 34%)1871(Top 16%)1871(Top 38%)
23M23.00 mi1.25 mi6766+195769+28769+284434(Top 17%)404(Top 4%)404(Top 8%)
24M24.00 mi1.00 mi6679+87760+9760+95492(Top 21%)717(Top 6%)717(Top 15%)
40K24.85 mi0.85 mi6563+116747+13747+134986(Top 19%)644(Top 6%)644(Top 13%)
25.2M25.20 mi0.35 mi6507+56737+10737+103942(Top 15%)431(Top 4%)431(Top 9%)
Finish26.22 mi1.02 mi6318+189687+50687+502402(Top 9%)188(Top 2%)188(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7541

Females

907

F18-39

907

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7817

Females

989

F18-39

989

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7541

Females

907

F18-39

907

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7347

Females

880

F18-39

880

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7937

Females

1046

F18-39

1046

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7336

Females

950

F18-39

950

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6131

Females

663

F18-39

663

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6117

Females

731

F18-39

731

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4610

Females

423

F18-39

423

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

8934

Females

1871

F18-39

1871

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4434

Females

404

F18-39

404

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5492

Females

717

F18-39

717

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

4986

Females

644

F18-39

644

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3942

Females

431

F18-39

431

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2402

Females

188

F18-39

188

Passing Analysis

Category:
Athletes Passed
2160
Passed By
479
Net Change
+1681
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7999
5K → 10K287172+115#7999#7884
10K → 15K21777+140#7884#7744
15K → 20K18353+130#7744#7614
20K → Half2822+6#7614#7608
Half → 25K11446+68#7608#7540
25K → 30K32515+310#7540#7230
30K → 20M1259+116#7230#7114
20M → 21M1884+184#7114#6930
21M → 35K2657-31#6930#6961
35K → 23M1972+195#6961#6766
23M → 24M969+87#6766#6679
24M → 40K12610+116#6679#6563
40K → 25.2M571+56#6563#6507
25.2M → Finish1912+189#6507#6318
TOTALS2160479+1681
📊

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