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BOSTON MARATHON 2023

Susan Hahn

Bib: 16866•F

WI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Female)
#0 / 11423
Top 3%
Division (F18-39)
#0 / 4884
Top 6%
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
6:35/mi
20:26
↑ 97↓ 3451.5%
10K· 6.21 mi
6:42/mi
41:15
↑ 79↓ 1380.4%
15K· 9.32 mi
6:53/mi
1:02:37
↑ 67↓ 78
20K· 12.43 mi
7:02/mi
1:24:28
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:29:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:07/mi
1:46:21
↑ 66↓ 880.2%
30K· 18.64 mi
7:09/mi
2:08:34
↑ 181↓ 1480.2%
20M
7:04/mi
2:18:10
↑ 64↓ 500.2%
21M
7:37/mi
2:25:47
↑ 106↓ 241.6%
35K· 21.75 mi
6:50/mi
2:30:54
↑ 17↓ 861.7%
23M
7:07/mi
2:39:49
↑ 23↓ 630.6%
24M
6:58/mi
2:46:47
↓ 821.3%
40K· 24.85 mi
7:00/mi
2:52:46
↓ 200.3%
25.2M
7:24/mi
2:55:19
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
3:02:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:05
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:32:55
Pace7:05 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:3120:266:3520:26
6:35
-
10K
6.21 mi11:31:2041:156:3820:49
6:42
+0:07
15K
9.32 mi11:52:421:02:376:4321:22
6:53
+0:11
20K
12.43 mi12:14:331:24:286:4821:51
7:02
+0:09
Half
13.11 mi12:19:101:29:056:484:37
6:46
-0:16
25K
15.53 mi12:36:261:46:216:5117:16
7:07
+0:21
30K
18.64 mi12:58:392:08:346:5422:13
7:09
+0:02
20M
20.00 mi13:08:152:18:106:549:36
7:04
-0:05
21M
21.00 mi13:15:522:25:476:577:37
7:37
+0:33
35K
21.75 mi13:20:592:30:546:565:07
6:50
-0:47
23M
23.00 mi13:29:542:39:496:578:55
7:07
+0:17
24M
24.00 mi13:36:522:46:476:576:58
6:58
-0:09
40K
24.85 mi13:42:512:52:466:575:59
7:00
+0:02
25.2M
25.20 mi13:45:242:55:196:572:33
7:24
+0:24
Finish
26.22 mi13:52:053:02:006:576:41
6:34
-0:50

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

6:34 /mi

Average Pace

6:57 /mi

Slowest Pace

7:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:50

94% of race

Time at Steady Pace

10:10

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi11:10:3120:266:3520:26
6:35
#2726
10K
6.21 mi11:31:2041:156:3820:49
6:42
#3442
15K
9.32 mi11:52:421:02:376:4321:22
6:53
#4200
20K
12.43 mi12:14:331:24:286:4821:51
7:02
#4818
Half
13.11 mi12:19:101:29:056:484:37
6:46
#4828
25K
15.53 mi12:36:261:46:216:5117:16
7:07
#5158
30K
18.64 mi12:58:392:08:346:5422:13
7:09
#5158
20M
20.00 mi13:08:152:18:106:549:36
7:04
#5050
21M
21.00 mi13:15:522:25:476:577:37
7:37
#5040
35K
21.75 mi13:20:592:30:546:565:07
6:50
#4995
23M
23.00 mi13:29:542:39:496:578:55
7:07
#4909
24M
24.00 mi13:36:522:46:476:576:58
6:58
#4854
40K
24.85 mi13:42:512:52:466:575:59
7:00
#4785
25.2M
25.20 mi13:45:242:55:196:572:33
7:24
#4742
Finish
26.22 mi13:52:053:02:006:576:41
6:34
#4619
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27261291295804(Top 22%)487(Top 4%)487(Top 10%)
10K6.21 mi3.10 mi3442-716186-57186-574353(Top 16%)273(Top 2%)273(Top 6%)
15K9.32 mi3.11 mi4200-758258-72258-725804(Top 22%)487(Top 4%)487(Top 10%)
20K12.43 mi3.11 mi4818-618326-68326-686184(Top 23%)567(Top 5%)567(Top 12%)
Half13.11 mi0.68 mi4828-10328-2328-25072(Top 19%)372(Top 3%)372(Top 8%)
25K15.53 mi2.42 mi5158-330370-42370-426245(Top 23%)617(Top 5%)617(Top 13%)
30K18.64 mi3.11 mi5158378-8378-85231(Top 20%)446(Top 4%)446(Top 9%)
20M20.00 mi1.36 mi5050+108368+10368+104431(Top 17%)352(Top 3%)352(Top 7%)
21M21.00 mi1.00 mi5040+10373-5373-55205(Top 20%)576(Top 5%)576(Top 12%)
35K21.75 mi0.75 mi4995+45370+3370+34493(Top 17%)389(Top 3%)389(Top 8%)
23M23.00 mi1.25 mi4909+86361+9361+94423(Top 17%)393(Top 3%)393(Top 8%)
24M24.00 mi1.00 mi4854+55356+5356+54529(Top 17%)440(Top 4%)440(Top 9%)
40K24.85 mi0.85 mi4785+69353+3353+33881(Top 15%)385(Top 3%)385(Top 8%)
25.2M25.20 mi0.35 mi4742+43348+5348+53474(Top 13%)337(Top 3%)337(Top 7%)
Finish26.22 mi1.02 mi4619+123334+14334+142800(Top 11%)249(Top 2%)249(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

5804

Females

487

F18-39

487

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4353

Females

273

F18-39

273

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

5804

Females

487

F18-39

487

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6184

Females

567

F18-39

567

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5072

Females

372

F18-39

372

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6245

Females

617

F18-39

617

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5231

Females

446

F18-39

446

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4431

Females

352

F18-39

352

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5205

Females

576

F18-39

576

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4493

Females

389

F18-39

389

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4423

Females

393

F18-39

393

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4529

Females

440

F18-39

440

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3881

Females

385

F18-39

385

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3474

Females

337

F18-39

337

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2800

Females

249

F18-39

249

Passing Analysis

Category:
Athletes Passed
937
Passed By
2830
Net Change
-1893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2726
5K → 10K15731-716#2726#3442
10K → 15K11769-758#3442#4200
15K → 20K10628-618#4200#4818
20K → Half2333-10#4818#4828
Half → 25K39369-330#4828#5158
25K → 30K1351350#5158#5158
30K → 20M12921+108#5158#5050
20M → 21M7060+10#5050#5040
21M → 35K5712+45#5040#4995
35K → 23M11428+86#4995#4909
23M → 24M7924+55#4909#4854
24M → 40K778+69#4854#4785
40K → 25.2M463+43#4785#4742
25.2M → Finish1329+123#4742#4619
TOTALS9372830-1893
📊

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