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BOSTON MARATHON 2023

Isabelle Gariepy

Bib: 13210•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F50-54)
#0 / 1207
Top 19%
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
8:26/mi
26:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
51:42
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:16:57
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:42:35
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:48:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:11/mi
2:07:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:34:00
↑ 181↓ 1480.2%
20M
8:23/mi
2:45:24
↑ 64↓ 500.2%
21M
9:10/mi
2:54:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
3:00:34
↑ 17↓ 861.7%
23M
8:26/mi
3:11:07
↑ 23↓ 630.6%
24M
8:14/mi
3:19:21
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:26:35
↓ 200.3%
25.2M
9:23/mi
3:29:49
↑ 13↓ 160.2%
Finish· 26.22 mi
8:29/mi
3:38:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:03
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:50:25
Pace8:25 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3226:118:2626:11
8:26
-
10K
6.21 mi11:48:0351:428:1925:31
8:13
-0:13
15K
9.32 mi12:13:181:16:578:1525:15
8:08
-0:05
20K
12.43 mi12:38:561:42:358:1525:38
8:15
+0:07
Half
13.11 mi12:44:241:48:038:155:28
8:01
-0:14
25K
15.53 mi13:04:152:07:548:1419:51
8:11
+0:10
30K
18.64 mi13:30:212:34:008:1626:06
8:24
+0:13
20M
20.00 mi13:41:452:45:248:1611:24
8:23
-0:01
21M
21.00 mi13:50:552:54:348:199:10
9:10
+0:47
35K
21.75 mi13:56:553:00:348:186:00
8:01
-1:09
23M
23.00 mi14:07:283:11:078:1910:33
8:26
+0:25
24M
24.00 mi14:15:423:19:218:188:14
8:14
-0:12
40K
24.85 mi14:22:563:26:358:197:14
8:28
+0:14
25.2M
25.20 mi14:26:103:29:498:203:14
9:23
+0:55
Finish
26.22 mi14:34:493:38:288:208:39
8:29
-0:54

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

8:01 /mi

Average Pace

8:20 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:04

94% of race

Time at Steady Pace

12:24

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi11:22:3226:118:2626:11
8:26
#17070
10K
6.21 mi11:48:0351:428:1925:31
8:13
#16657
15K
9.32 mi12:13:181:16:578:1525:15
8:08
#16218
20K
12.43 mi12:38:561:42:358:1525:38
8:15
#15945
Half
13.11 mi12:44:241:48:038:155:28
8:01
#15869
25K
15.53 mi13:04:152:07:548:1419:51
8:11
#15570
30K
18.64 mi13:30:212:34:008:1626:06
8:24
#15203
20M
20.00 mi13:41:452:45:248:1611:24
8:23
#15043
21M
21.00 mi13:50:552:54:348:199:10
9:10
#14971
35K
21.75 mi13:56:553:00:348:186:00
8:01
#14864
23M
23.00 mi14:07:283:11:078:1910:33
8:26
#14736
24M
24.00 mi14:15:423:19:218:188:14
8:14
#14624
40K
24.85 mi14:22:563:26:358:197:14
8:28
#14540
25.2M
25.20 mi14:26:103:29:498:203:14
9:23
#14541
Finish
26.22 mi14:34:493:38:288:208:39
8:29
#14555
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi170705973597315351(Top 58%)4880(Top 43%)4880(Top 404%)
10K6.21 mi3.10 mi16657+4135677+2965677+29616354(Top 61%)5482(Top 48%)5482(Top 454%)
15K9.32 mi3.11 mi16218+4395420+2575420+25715351(Top 58%)4880(Top 43%)4880(Top 404%)
20K12.43 mi3.11 mi15945+2735271+1495271+14915286(Top 57%)4890(Top 43%)4890(Top 405%)
Half13.11 mi0.68 mi15869+765230+415230+4114551(Top 55%)4420(Top 39%)4420(Top 366%)
25K15.53 mi2.42 mi15570+2995074+1565074+15614155(Top 53%)4317(Top 38%)4317(Top 358%)
30K18.64 mi3.11 mi15203+3674887+1874887+18713710(Top 51%)4162(Top 36%)4162(Top 345%)
20M20.00 mi1.36 mi15043+1604801+864801+8612998(Top 49%)3867(Top 34%)3867(Top 320%)
21M21.00 mi1.00 mi14971+724774+274774+2714324(Top 54%)4672(Top 41%)4672(Top 387%)
35K21.75 mi0.75 mi14864+1074729+454729+4512345(Top 46%)3636(Top 32%)3636(Top 301%)
23M23.00 mi1.25 mi14736+1284677+524677+5212785(Top 48%)3964(Top 35%)3964(Top 328%)
24M24.00 mi1.00 mi14624+1124632+454632+4512869(Top 48%)4068(Top 36%)4068(Top 337%)
40K24.85 mi0.85 mi14540+844601+314601+3113111(Top 49%)4267(Top 37%)4267(Top 354%)
25.2M25.20 mi0.35 mi14541-14614-134614-1314613(Top 55%)5079(Top 44%)5079(Top 421%)
Finish26.22 mi1.02 mi14555-144633-194633-1915371(Top 58%)5464(Top 48%)5464(Top 453%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15351

Females

4880

F50-54

4880

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16354

Females

5482

F50-54

5482

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15351

Females

4880

F50-54

4880

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15286

Females

4890

F50-54

4890

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14551

Females

4420

F50-54

4420

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14155

Females

4317

F50-54

4317

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13710

Females

4162

F50-54

4162

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12998

Females

3867

F50-54

3867

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14324

Females

4672

F50-54

4672

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12345

Females

3636

F50-54

3636

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12785

Females

3964

F50-54

3964

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12869

Females

4068

F50-54

4068

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13111

Females

4267

F50-54

4267

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14613

Females

5079

F50-54

5079

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15371

Females

5464

F50-54

5464

Passing Analysis

Category:
Athletes Passed
3058
Passed By
543
Net Change
+2515
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17070
5K → 10K560147+413#17070#16657
10K → 15K49859+439#16657#16218
15K → 20K32047+273#16218#15945
20K → Half848+76#15945#15869
Half → 25K31415+299#15869#15570
25K → 30K39528+367#15570#15203
30K → 20M17414+160#15203#15043
20M → 21M12755+72#15043#14971
21M → 35K1103+107#14971#14864
35K → 23M15628+128#14864#14736
23M → 24M13725+112#14736#14624
24M → 40K9915+84#14624#14540
40K → 25.2M2829-1#14540#14541
25.2M → Finish5670-14#14541#14555
TOTALS3058543+2515
📊

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