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BOSTON MARATHON 2023

Julie Thibault

QC

Bib: 16594 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:03/mi
25:02
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:01/mi
49:56
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:59/mi
1:14:45
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:00/mi
1:39:35
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:48/mi
1:44:54
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:56/mi
2:04:09
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:01/mi
2:29:04
↑ 181↓ 1480.2%
138 ft elev
20M
7:55/mi
2:39:49
↑ 64↓ 500.2%
148 ft elev
21M
8:22/mi
2:48:11
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:44/mi
2:53:58
↑ 17↓ 861.7%
156 ft elev
23M
7:52/mi
3:03:49
↑ 23↓ 630.6%
116 ft elev
24M
7:48/mi
3:11:37
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:47/mi
3:18:16
↓ 200.3%
20 ft elev
25.2M
8:13/mi
3:21:06
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:26/mi
3:28:40
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:44:54
Pace8:00 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:46
Pace7:55 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2225:028:0325:02
8:03
-
10K
6.21 mi11:49:1649:568:0224:54
8:01
-0:02
15K
9.32 mi12:14:051:14:458:0124:49
7:59
-0:02
20K
12.43 mi12:38:551:39:358:0124:50
8:00
+0:01
Half
13.11 mi12:44:141:44:548:005:19
7:48
-0:12
25K
15.53 mi13:03:292:04:098:0019:15
7:56
+0:08
30K
18.64 mi13:28:242:29:048:0024:55
8:01
+0:05
20M
20.00 mi13:39:092:39:497:5910:45
7:55
-0:06
21M
21.00 mi13:47:312:48:118:018:22
8:22
+0:27
35K
21.75 mi13:53:182:53:588:005:47
7:44
-0:38
23M
23.00 mi14:03:093:03:498:009:51
7:52
+0:08
24M
24.00 mi14:10:573:11:377:597:48
7:48
-0:04
40K
24.85 mi14:17:363:18:167:596:39
7:47
-0:01
25.2M
25.20 mi14:20:263:21:067:592:50
8:13
+0:26
Finish
26.22 mi14:28:003:28:407:587:34
7:26
-0:47

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

7:26 /mi

Average Pace

7:58 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:28

95% of race

Time at Steady Pace

11:12

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:24:2225:028:0325:02
8:03
#14407
10K
6.21 mi11:49:1649:568:0224:54
8:01
#14640
15K
9.32 mi12:14:051:14:458:0124:49
7:59
#14494
20K
12.43 mi12:38:551:39:358:0124:50
8:00
#14196
Half
13.11 mi12:44:141:44:548:005:19
7:48
#14130
25K
15.53 mi13:03:292:04:098:0019:15
7:56
#13804
30K
18.64 mi13:28:242:29:048:0024:55
8:01
#13277
20M
20.00 mi13:39:092:39:497:5910:45
7:55
#12980
21M
21.00 mi13:47:312:48:118:018:22
8:22
#12718
35K
21.75 mi13:53:182:53:588:005:47
7:44
#12619
23M
23.00 mi14:03:093:03:498:009:51
7:52
#12384
24M
24.00 mi14:10:573:11:377:597:48
7:48
#12263
40K
24.85 mi14:17:363:18:167:596:39
7:47
#12104
25.2M
25.20 mi14:20:263:21:067:592:50
8:13
#12027
Finish
26.22 mi14:28:003:28:407:587:34
7:26
#11850
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi144074271427114292(Top 54%)4249(Top 37%)4249(Top 87%)
10K6.21 mi3.10 mi14640-2334428-1574428-15714913(Top 56%)4614(Top 40%)4614(Top 94%)
15K9.32 mi3.11 mi14494+1464349+794349+7914292(Top 54%)4249(Top 37%)4249(Top 87%)
20K12.43 mi3.11 mi14196+2984200+1494200+14913361(Top 50%)3733(Top 33%)3733(Top 76%)
Half13.11 mi0.68 mi14130+664158+424158+4212698(Top 48%)3304(Top 29%)3304(Top 68%)
25K15.53 mi2.42 mi13804+3263991+1673991+16712232(Top 46%)3210(Top 28%)3210(Top 66%)
30K18.64 mi3.11 mi13277+5273712+2793712+27911079(Top 42%)2683(Top 23%)2683(Top 55%)
20M20.00 mi1.36 mi12980+2973556+1563556+1569671(Top 36%)2106(Top 18%)2106(Top 43%)
21M21.00 mi1.00 mi12718+2623424+1323424+1329683(Top 36%)2239(Top 20%)2239(Top 46%)
35K21.75 mi0.75 mi12619+993378+463378+4610203(Top 38%)2472(Top 22%)2472(Top 51%)
23M23.00 mi1.25 mi12384+2353269+1093269+1098905(Top 33%)1987(Top 17%)1987(Top 41%)
24M24.00 mi1.00 mi12263+1213224+453224+459837(Top 37%)2522(Top 22%)2522(Top 52%)
40K24.85 mi0.85 mi12104+1593160+643160+648588(Top 32%)1990(Top 17%)1990(Top 41%)
25.2M25.20 mi0.35 mi12027+773117+433117+437891(Top 30%)1803(Top 16%)1803(Top 37%)
Finish26.22 mi1.02 mi11850+1773038+793038+798012(Top 30%)1842(Top 16%)1842(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14292

Females

4249

F18-39

4249

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14913

Females

4614

F18-39

4614

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14292

Females

4249

F18-39

4249

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13361

Females

3733

F18-39

3733

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12698

Females

3304

F18-39

3304

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12232

Females

3210

F18-39

3210

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11079

Females

2683

F18-39

2683

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9671

Females

2106

F18-39

2106

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9683

Females

2239

F18-39

2239

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10203

Females

2472

F18-39

2472

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8905

Females

1987

F18-39

1987

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9837

Females

2522

F18-39

2522

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8588

Females

1990

F18-39

1990

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7891

Females

1803

F18-39

1803

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8012

Females

1842

F18-39

1842

Passing Analysis

Category:
Athletes Passed
3240
Passed By
683
Net Change
+2557
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14407
5K → 10K193426-233#14407#14640
10K → 15K268122+146#14640#14494
15K → 20K34547+298#14494#14196
20K → Half726+66#14196#14130
Half → 25K34115+326#14130#13804
25K → 30K54417+527#13804#13277
30K → 20M3003+297#13277#12980
20M → 21M2697+262#12980#12718
21M → 35K1067+99#12718#12619
35K → 23M24510+235#12619#12384
23M → 24M13211+121#12384#12263
24M → 40K1612+159#12263#12104
40K → 25.2M781+77#12104#12027
25.2M → Finish1869+177#12027#11850
TOTALS3240683+2557
📊

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