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BOSTON MARATHON 2023

Susan Filion

Bib: 10915•F

ON

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0:00
/ mi
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Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 10%
Division (F18-39)
#0 / 4884
Top 18%
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
6:54/mi
21:25
↑ 97↓ 3451.5%
10K· 6.21 mi
6:52/mi
42:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:04/mi
1:04:41
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:29:15
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:34:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:29/mi
1:52:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:16:34
↑ 181↓ 1480.2%
20M
7:41/mi
2:27:00
↑ 64↓ 500.2%
21M
8:19/mi
2:35:19
↑ 106↓ 241.6%
35K· 21.75 mi
7:18/mi
2:40:47
↑ 17↓ 861.7%
23M
7:48/mi
2:50:33
↑ 23↓ 630.6%
24M
7:26/mi
2:57:59
↓ 821.3%
40K· 24.85 mi
7:29/mi
3:04:23
↓ 200.3%
25.2M
8:13/mi
3:07:13
↑ 13↓ 160.2%
Finish· 26.22 mi
7:16/mi
3:14:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:14
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:40:23
Pace7:39 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1021:256:5421:25
6:54
-
10K
6.21 mi11:09:2942:446:5321:19
6:52
-0:02
15K
9.32 mi11:31:261:04:416:5621:57
7:04
+0:12
20K
12.43 mi11:56:001:29:157:1124:34
7:54
+0:50
Half
13.11 mi12:00:591:34:147:114:59
7:18
-0:36
25K
15.53 mi12:19:071:52:227:1418:08
7:29
+0:11
30K
18.64 mi12:43:192:16:347:2024:12
7:47
+0:18
20M
20.00 mi12:53:452:27:007:2110:26
7:41
-0:06
21M
21.00 mi13:02:042:35:197:248:19
8:19
+0:38
35K
21.75 mi13:07:322:40:477:245:28
7:18
-1:01
23M
23.00 mi13:17:182:50:337:259:46
7:48
+0:30
24M
24.00 mi13:24:442:57:597:257:26
7:26
-0:22
40K
24.85 mi13:31:083:04:237:256:24
7:29
+0:03
25.2M
25.20 mi13:33:583:07:137:262:50
8:13
+0:44
Finish
26.22 mi13:41:223:14:377:267:24
7:16
-0:57

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

6:52 /mi

Average Pace

7:26 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:05

37% of race

Time at Steady Pace

52:51

27% of race

Time at Slower Pace

1:09:41

36% of race

Average Pace: 7:25 /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 mi10:48:1021:256:5421:25
6:54
#5526
10K
6.21 mi11:09:2942:446:5321:19
6:52
#5653
15K
9.32 mi11:31:261:04:416:5621:57
7:04
#6131
20K
12.43 mi11:56:001:29:157:1124:34
7:54
#7418
Half
13.11 mi12:00:591:34:147:114:59
7:18
#7473
25K
15.53 mi12:19:071:52:227:1418:08
7:29
#7608
30K
18.64 mi12:43:192:16:347:2024:12
7:47
#7830
20M
20.00 mi12:53:452:27:007:2110:26
7:41
#7799
21M
21.00 mi13:02:042:35:197:248:19
8:19
#7837
35K
21.75 mi13:07:322:40:477:245:28
7:18
#7797
23M
23.00 mi13:17:182:50:337:259:46
7:48
#7813
24M
24.00 mi13:24:442:57:597:257:26
7:26
#7756
40K
24.85 mi13:31:083:04:237:256:24
7:29
#7692
25.2M
25.20 mi13:33:583:07:137:262:50
8:13
#7685
Finish
26.22 mi13:41:223:14:377:267:24
7:16
#7624
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi55264264266954(Top 26%)735(Top 6%)735(Top 15%)
10K6.21 mi3.10 mi5653-127446-20446-205860(Top 22%)506(Top 4%)506(Top 10%)
15K9.32 mi3.11 mi6131-478546-100546-1006954(Top 26%)735(Top 6%)735(Top 15%)
20K12.43 mi3.11 mi7418-1287859-313859-31312683(Top 48%)3367(Top 29%)3367(Top 69%)
Half13.11 mi0.68 mi7473-55877-18877-188681(Top 33%)1341(Top 12%)1341(Top 27%)
25K15.53 mi2.42 mi7608-135936-59936-598628(Top 32%)1392(Top 12%)1392(Top 29%)
30K18.64 mi3.11 mi7830-2221054-1181054-1189282(Top 35%)1823(Top 16%)1823(Top 37%)
20M20.00 mi1.36 mi7799+311058-41058-48034(Top 30%)1409(Top 12%)1409(Top 29%)
21M21.00 mi1.00 mi7837-381085-271085-279330(Top 35%)2055(Top 18%)2055(Top 42%)
35K21.75 mi0.75 mi7797+401077+81077+87214(Top 27%)1176(Top 10%)1176(Top 24%)
23M23.00 mi1.25 mi7813-161119-421119-428432(Top 32%)1759(Top 15%)1759(Top 36%)
24M24.00 mi1.00 mi7756+571120-11120-17280(Top 27%)1389(Top 12%)1389(Top 28%)
40K24.85 mi0.85 mi7692+641107+131107+136662(Top 25%)1228(Top 11%)1228(Top 25%)
25.2M25.20 mi0.35 mi7685+71116-91116-97822(Top 29%)1734(Top 15%)1734(Top 36%)
Finish26.22 mi1.02 mi7624+611119-31119-36864(Top 26%)1369(Top 12%)1369(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

6954

Females

735

F18-39

735

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5860

Females

506

F18-39

506

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

6954

Females

735

F18-39

735

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12683

Females

3367

F18-39

3367

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8681

Females

1341

F18-39

1341

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8628

Females

1392

F18-39

1392

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9282

Females

1823

F18-39

1823

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8034

Females

1409

F18-39

1409

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9330

Females

2055

F18-39

2055

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7214

Females

1176

F18-39

1176

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8432

Females

1759

F18-39

1759

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7280

Females

1389

F18-39

1389

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6662

Females

1228

F18-39

1228

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7822

Females

1734

F18-39

1734

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6864

Females

1369

F18-39

1369

Passing Analysis

Category:
Athletes Passed
886
Passed By
2984
Net Change
-2098
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5526
5K → 10K149276-127#5526#5653
10K → 15K19497-478#5653#6131
15K → 20K51292-1287#6131#7418
20K → Half762-55#7418#7473
Half → 25K51186-135#7473#7608
25K → 30K73295-222#7608#7830
30K → 20M8251+31#7830#7799
20M → 21M5795-38#7799#7837
21M → 35K5919+40#7837#7797
35K → 23M7591-16#7797#7813
23M → 24M9033+57#7813#7756
24M → 40K9329+64#7756#7692
40K → 25.2M3326+7#7692#7685
25.2M → Finish9332+61#7685#7624
TOTALS8862984-2098
📊

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