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BOSTON MARATHON 2023

Emily Bahnsen

Bib: 24914•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:35
Rank: #23037
Start → 5K
30:35 | 9:51/mi
10K· 6.21 mi
1:00:24
Rank: #22966 (+71)
5K → 10K
29:49 | 9:36/mi
15K· 9.32 mi
1:30:12
Rank: #22814 (+152)
10K → 15K
29:48 | 9:36/mi
20K· 12.43 mi
1:59:55
Rank: #22553 (+261)
15K → 20K
29:43 | 9:34/mi
Half· 13.11 mi
2:06:28
Rank: #22544 (+9)
20K → Half
6:33 | 9:36/mi
25K· 15.53 mi
2:30:22
Rank: #22428 (+116)
Half → 25K
23:54 | 9:51/mi
30K· 18.64 mi
3:01:43
Rank: #22212 (+216)
25K → 30K
31:21 | 10:05/mi
20M
3:15:42
Rank: #22124 (+88)
30K → 20M
13:59 | 10:17/mi
21M
3:26:28
Rank: #22020 (+104)
20M → 21M
10:46 | 10:46/mi
35K· 21.75 mi
3:33:51
Rank: #21981 (+39)
21M → 35K
7:23 | 9:52/mi
23M
3:46:42
Rank: #21892 (+89)
35K → 23M
12:51 | 10:16/mi
24M
3:58:18
Rank: #22015 (-123)
23M → 24M
11:36 | 11:36/mi
40K· 24.85 mi
4:07:45
Rank: #22022 (-7)
24M → 40K
9:27 | 11:03/mi
25.2M
4:11:48
Rank: #22025 (-3)
40K → 25.2M
4:03 | 11:45/mi
Finish· 26.22 mi
4:21:17
Rank: #21957 (+68)
25.2M → Finish
9:29 | 9:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:28
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:14:49
Pace10:17 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1430:359:5130:35
9:51
-
10K
6.21 mi12:16:031:00:249:4329:49
9:36
-0:15
15K
9.32 mi12:45:511:30:129:4129:48
9:36
0:00
20K
12.43 mi13:15:341:59:559:3929:43
9:34
-0:02
Half
13.11 mi13:22:072:06:289:396:33
9:36
+0:02
25K
15.53 mi13:46:012:30:229:4123:54
9:51
+0:15
30K
18.64 mi14:17:223:01:439:4531:21
10:05
+0:14
20M
20.00 mi14:31:213:15:429:4713:59
10:17
+0:12
21M
21.00 mi14:42:073:26:289:5010:46
10:46
+0:29
35K
21.75 mi14:49:303:33:519:507:23
9:52
-0:54
23M
23.00 mi15:02:213:46:429:5112:51
10:16
+0:24
24M
24.00 mi15:13:573:58:189:5611:36
11:36
+1:20
40K
24.85 mi15:23:244:07:459:589:27
11:03
-0:33
25.2M
25.20 mi15:27:274:11:4810:004:03
11:45
+0:42
Finish
26.22 mi15:36:564:21:179:589:29
9:18
-2:27

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

9:18 /mi

Average Pace

9:58 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:29

4% of race

Time at Steady Pace

3:09:06

72% of race

Time at Slower Pace

1:02:42

24% of race

Average Pace: 9:58 /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 mi11:46:1430:359:5130:35
9:51
#23037
10K
6.21 mi12:16:031:00:249:4329:49
9:36
#22966
15K
9.32 mi12:45:511:30:129:4129:48
9:36
#22814
20K
12.43 mi13:15:341:59:559:3929:43
9:34
#22553
Half
13.11 mi13:22:072:06:289:396:33
9:36
#22544
25K
15.53 mi13:46:012:30:229:4123:54
9:51
#22428
30K
18.64 mi14:17:223:01:439:4531:21
10:05
#22212
20M
20.00 mi14:31:213:15:429:4713:59
10:17
#22124
21M
21.00 mi14:42:073:26:289:5010:46
10:46
#22020
35K
21.75 mi14:49:303:33:519:507:23
9:52
#21981
23M
23.00 mi15:02:213:46:429:5112:51
10:16
#21892
24M
24.00 mi15:13:573:58:189:5611:36
11:36
#22015
40K
24.85 mi15:23:244:07:459:589:27
11:03
#22022
25.2M
25.20 mi15:27:274:11:4810:004:03
11:45
#22025
Finish
26.22 mi15:36:564:21:179:589:29
9:18
#21957
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi230379411941122506(Top 85%)9071(Top 79%)9071(Top 483%)
10K6.21 mi3.10 mi22966+719344+679344+6722794(Top 86%)9229(Top 81%)9229(Top 491%)
15K9.32 mi3.11 mi22814+1529242+1029242+10222506(Top 85%)9071(Top 79%)9071(Top 483%)
20K12.43 mi3.11 mi22553+2619115+1279115+12721754(Top 82%)8659(Top 76%)8659(Top 461%)
Half13.11 mi0.68 mi22544+99116-19116-122398(Top 84%)9006(Top 79%)9006(Top 480%)
25K15.53 mi2.42 mi22428+1169069+479069+4721873(Top 82%)8769(Top 77%)8769(Top 467%)
30K18.64 mi3.11 mi22212+2168954+1158954+11521270(Top 80%)8501(Top 74%)8501(Top 453%)
20M20.00 mi1.36 mi22124+888918+368918+3621259(Top 80%)8559(Top 75%)8559(Top 456%)
21M21.00 mi1.00 mi22020+1048866+528866+5220310(Top 76%)8098(Top 71%)8098(Top 431%)
35K21.75 mi0.75 mi21981+398848+188848+1820942(Top 79%)8466(Top 74%)8466(Top 451%)
23M23.00 mi1.25 mi21892+898810+388810+3820764(Top 78%)8386(Top 73%)8386(Top 447%)
24M24.00 mi1.00 mi22015-1238887-778887-7724005(Top 90%)10163(Top 89%)10163(Top 541%)
40K24.85 mi0.85 mi22022-78898-118898-1122466(Top 84%)9381(Top 82%)9381(Top 500%)
25.2M25.20 mi0.35 mi22025-38904-68904-622064(Top 83%)9159(Top 80%)9159(Top 488%)
Finish26.22 mi1.02 mi21957+688882+228882+2219427(Top 73%)7696(Top 67%)7696(Top 410%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22506

Females

9071

F40-44

9071

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22794

Females

9229

F40-44

9229

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22506

Females

9071

F40-44

9071

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21754

Females

8659

F40-44

8659

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22398

Females

9006

F40-44

9006

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21873

Females

8769

F40-44

8769

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21270

Females

8501

F40-44

8501

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21259

Females

8559

F40-44

8559

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20310

Females

8098

F40-44

8098

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

20942

Females

8466

F40-44

8466

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20764

Females

8386

F40-44

8386

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

24005

Females

10163

F40-44

10163

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22466

Females

9381

F40-44

9381

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22064

Females

9159

F40-44

9159

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19427

Females

7696

F40-44

7696

Passing Analysis

Category:
Athletes Passed
1750
Passed By
670
Net Change
+1080
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23037
5K → 10K263192+71#23037#22966
10K → 15K23179+152#22966#22814
15K → 20K29938+261#22814#22553
20K → Half3021+9#22553#22544
Half → 25K15337+116#22544#22428
25K → 30K24731+216#22428#22212
30K → 20M11426+88#22212#22124
20M → 21M11511+104#22124#22020
21M → 35K5011+39#22020#21981
35K → 23M10819+89#21981#21892
23M → 24M14137-123#21892#22015
24M → 40K3542-7#22015#22022
40K → 25.2M1720-3#22022#22025
25.2M → Finish746+68#22025#21957
TOTALS1750670+1080
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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