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BOSTON MARATHON 2023

Brittany Eismon

Bib: 8255•F

OH

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0:00
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Overall
#0 / 26622
Top 20%
Gender (Female)
#0 / 11423
Top 4%
Division (F18-39)
#0 / 4884
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:50
Rank: #6433
Start → 5K
21:50 | 7:02/mi
10K· 6.21 mi
43:15
Rank: #6286 (+147)
5K → 10K
21:25 | 6:54/mi
15K· 9.32 mi
1:04:43
Rank: #6152 (+134)
10K → 15K
21:28 | 6:55/mi
20K· 12.43 mi
1:26:28
Rank: #6095 (+57)
15K → 20K
21:45 | 7:00/mi
Half· 13.11 mi
1:31:16
Rank: #6128 (-33)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:48:42
Rank: #6204 (-76)
Half → 25K
17:26 | 7:11/mi
30K· 18.64 mi
2:11:09
Rank: #6033 (+171)
25K → 30K
22:27 | 7:14/mi
20M
2:21:00
Rank: #5952 (+81)
30K → 20M
9:51 | 7:15/mi
21M
2:28:31
Rank: #5836 (+116)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:33:43
Rank: #5792 (+44)
21M → 35K
5:12 | 6:57/mi
23M
2:42:43
Rank: #5661 (+131)
35K → 23M
9:00 | 7:11/mi
24M
2:49:43
Rank: #5576 (+85)
23M → 24M
7:00 | 7:00/mi
40K· 24.85 mi
2:55:44
Rank: #5478 (+98)
24M → 40K
6:01 | 7:02/mi
25.2M
2:58:20
Rank: #5424 (+54)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:05:19
Rank: #5321 (+103)
25.2M → Finish
6:59 | 6:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:16
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:34:03
Pace7:10 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5421:507:0221:50
7:02
-
10K
6.21 mi11:08:1943:156:5821:25
6:54
-0:08
15K
9.32 mi11:29:471:04:436:5721:28
6:55
+0:01
20K
12.43 mi11:51:321:26:286:5721:45
7:00
+0:05
Half
13.11 mi11:56:201:31:166:584:48
7:02
+0:02
25K
15.53 mi12:13:461:48:427:0017:26
7:11
+0:09
30K
18.64 mi12:36:132:11:097:0222:27
7:14
+0:03
20M
20.00 mi12:46:042:21:007:039:51
7:15
+0:01
21M
21.00 mi12:53:352:28:317:047:31
7:31
+0:16
35K
21.75 mi12:58:472:33:437:045:12
6:57
-0:34
23M
23.00 mi13:07:472:42:437:049:00
7:11
+0:14
24M
24.00 mi13:14:472:49:437:047:00
7:00
-0:11
40K
24.85 mi13:20:482:55:447:046:01
7:02
+0:02
25.2M
25.20 mi13:23:242:58:207:052:36
7:32
+0:30
Finish
26.22 mi13:30:233:05:197:046:59
6:51
-0:41

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

6:51 /mi

Average Pace

7:04 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:54

77% of race

Time at Steady Pace

42:25

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:04 /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 mi10:46:5421:507:0221:50
7:02
#6433
10K
6.21 mi11:08:1943:156:5821:25
6:54
#6286
15K
9.32 mi11:29:471:04:436:5721:28
6:55
#6152
20K
12.43 mi11:51:321:26:286:5721:45
7:00
#6095
Half
13.11 mi11:56:201:31:166:584:48
7:02
#6128
25K
15.53 mi12:13:461:48:427:0017:26
7:11
#6204
30K
18.64 mi12:36:132:11:097:0222:27
7:14
#6033
20M
20.00 mi12:46:042:21:007:039:51
7:15
#5952
21M
21.00 mi12:53:352:28:317:047:31
7:31
#5836
35K
21.75 mi12:58:472:33:437:045:12
6:57
#5792
23M
23.00 mi13:07:472:42:437:049:00
7:11
#5661
24M
24.00 mi13:14:472:49:437:047:00
7:00
#5576
40K
24.85 mi13:20:482:55:447:046:01
7:02
#5478
25.2M
25.20 mi13:23:242:58:207:052:36
7:32
#5424
Finish
26.22 mi13:30:233:05:197:046:59
6:51
#5321
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi64335915916035(Top 23%)540(Top 5%)540(Top 11%)
10K6.21 mi3.10 mi6286+147576+15576+156089(Top 23%)549(Top 5%)549(Top 11%)
15K9.32 mi3.11 mi6152+134549+27549+276035(Top 23%)540(Top 5%)540(Top 11%)
20K12.43 mi3.11 mi6095+57542+7542+75999(Top 23%)520(Top 5%)520(Top 11%)
Half13.11 mi0.68 mi6128-33546-4546-46791(Top 26%)688(Top 6%)688(Top 14%)
25K15.53 mi2.42 mi6204-76567-21567-216633(Top 25%)739(Top 6%)739(Top 15%)
30K18.64 mi3.11 mi6033+171536+31536+315640(Top 21%)532(Top 5%)532(Top 11%)
20M20.00 mi1.36 mi5952+81530+6530+65382(Top 20%)539(Top 5%)539(Top 11%)
21M21.00 mi1.00 mi5836+116515+15515+154689(Top 18%)440(Top 4%)440(Top 9%)
35K21.75 mi0.75 mi5792+44506+9506+95101(Top 19%)527(Top 5%)527(Top 11%)
23M23.00 mi1.25 mi5661+131492+14492+144751(Top 18%)473(Top 4%)473(Top 10%)
24M24.00 mi1.00 mi5576+85485+7485+74703(Top 18%)491(Top 4%)491(Top 10%)
40K24.85 mi0.85 mi5478+98476+9476+94072(Top 15%)425(Top 4%)425(Top 9%)
25.2M25.20 mi0.35 mi5424+54470+6470+64155(Top 16%)481(Top 4%)481(Top 10%)
Finish26.22 mi1.02 mi5321+103457+13457+134387(Top 16%)544(Top 5%)544(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6035

Females

540

F18-39

540

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6089

Females

549

F18-39

549

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6035

Females

540

F18-39

540

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

5999

Females

520

F18-39

520

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6791

Females

688

F18-39

688

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6633

Females

739

F18-39

739

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5640

Females

532

F18-39

532

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5382

Females

539

F18-39

539

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4689

Females

440

F18-39

440

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5101

Females

527

F18-39

527

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4751

Females

473

F18-39

473

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4703

Females

491

F18-39

491

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4072

Females

425

F18-39

425

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4155

Females

481

F18-39

481

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4387

Females

544

F18-39

544

Passing Analysis

Category:
Athletes Passed
1653
Passed By
541
Net Change
+1112
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6433
5K → 10K279132+147#6433#6286
10K → 15K18854+134#6286#6152
15K → 20K12770+57#6152#6095
20K → Half336-33#6095#6128
Half → 25K58134-76#6128#6204
25K → 30K21241+171#6204#6033
30K → 20M10120+81#6033#5952
20M → 21M1215+116#5952#5836
21M → 35K5410+44#5836#5792
35K → 23M14110+131#5792#5661
23M → 24M927+85#5661#5576
24M → 40K1046+98#5576#5478
40K → 25.2M562+54#5478#5424
25.2M → Finish11714+103#5424#5321
TOTALS1653541+1112
📊

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