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BOSTON MARATHON 2023

Isabella Barnhill

Bib: 24695•F

NY

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:04
Rank: #22600
Start → 5K
9:41/mi
30:04 split
10K· 6.21 mi
1:00:33
Rank: #23023 (-423)
5K → 10K
9:49/mi
30:29 split
15K· 9.32 mi
1:31:19
Rank: #23146 (-123)
10K → 15K
9:54/mi
30:46 split
20K· 12.43 mi
2:02:46
Rank: #23148 (-2)
15K → 20K
10:07/mi
31:27 split
Half· 13.11 mi
2:09:30
Rank: #23123 (+25)
20K → Half
9:52/mi
6:44 split
25K· 15.53 mi
2:35:02
Rank: #23157 (-34)
Half → 25K
10:32/mi
25:32 split
30K· 18.64 mi
3:09:49
Rank: #23217 (-60)
25K → 30K
11:12/mi
34:47 split
20M
3:25:21
Rank: #23215 (+2)
30K → 20M
11:26/mi
15:32 split
21M
3:38:25
Rank: #23299 (-84)
20M → 21M
13:04/mi
13:04 split
35K· 21.75 mi
3:46:45
Rank: #23309 (-10)
21M → 35K
11:08/mi
8:20 split
23M
4:02:32
Rank: #23439 (-130)
35K → 23M
12:36/mi
15:47 split
24M
4:13:09
Rank: #23388 (+51)
23M → 24M
10:37/mi
10:37 split
40K· 24.85 mi
4:23:03
Rank: #23388
24M → 40K
11:35/mi
9:54 split
25.2M
4:27:07
Rank: #23371 (+17)
40K → 25.2M
11:48/mi
4:04 split
Finish· 26.22 mi
4:37:38
Rank: #23342 (+29)
25.2M → Finish
10:19/mi
10:31 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:30
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:28:08
Pace11:18 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2930:049:4130:04
9:41
-
10K
6.21 mi12:23:581:00:339:4530:29
9:49
+0:08
15K
9.32 mi12:54:441:31:199:4830:46
9:54
+0:05
20K
12.43 mi13:26:112:02:469:5331:27
10:07
+0:13
Half
13.11 mi13:32:552:09:309:536:44
9:52
-0:15
25K
15.53 mi13:58:272:35:029:5925:32
10:32
+0:40
30K
18.64 mi14:33:143:09:4910:1134:47
11:12
+0:40
20M
20.00 mi14:48:463:25:2110:1615:32
11:26
+0:14
21M
21.00 mi15:01:503:38:2510:2413:04
13:04
+1:38
35K
21.75 mi15:10:103:46:4510:268:20
11:08
-1:56
23M
23.00 mi15:25:574:02:3210:3315:47
12:36
+1:28
24M
24.00 mi15:36:344:13:0910:3310:37
10:37
-1:59
40K
24.85 mi15:46:284:23:0310:359:54
11:35
+0:58
25.2M
25.20 mi15:50:324:27:0710:364:04
11:48
+0:13
Finish
26.22 mi16:01:034:37:3810:3610:31
10:19
-1:29

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

9:41 /mi

Average Pace

10:36 /mi

Slowest Pace

13:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:03

35% of race

Time at Steady Pace

1:18:07

28% of race

Time at Slower Pace

1:41:28

37% of race

Average Pace: 10:35 /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 mi11:53:2930:049:4130:04
9:41
#22600
10K
6.21 mi12:23:581:00:339:4530:29
9:49
#23023
15K
9.32 mi12:54:441:31:199:4830:46
9:54
#23146
20K
12.43 mi13:26:112:02:469:5331:27
10:07
#23148
Half
13.11 mi13:32:552:09:309:536:44
9:52
#23123
25K
15.53 mi13:58:272:35:029:5925:32
10:32
#23157
30K
18.64 mi14:33:143:09:4910:1134:47
11:12
#23217
20M
20.00 mi14:48:463:25:2110:1615:32
11:26
#23215
21M
21.00 mi15:01:503:38:2510:2413:04
13:04
#23299
35K
21.75 mi15:10:103:46:4510:268:20
11:08
#23309
23M
23.00 mi15:25:574:02:3210:3315:47
12:36
#23439
24M
24.00 mi15:36:344:13:0910:3310:37
10:37
#23388
40K
24.85 mi15:46:284:23:0310:359:54
11:35
#23388
25.2M
25.20 mi15:50:324:27:0710:364:04
11:48
#23371
Finish
26.22 mi16:01:034:37:3810:3610:31
10:19
#23342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi226009185918523313(Top 88%)9501(Top 83%)9501(Top 195%)
10K6.21 mi3.10 mi23023-4239378-1939378-19323306(Top 88%)9515(Top 83%)9515(Top 195%)
15K9.32 mi3.11 mi23146-1239428-509428-5023313(Top 88%)9501(Top 83%)9501(Top 195%)
20K12.43 mi3.11 mi23148-29432-49432-423154(Top 87%)9432(Top 83%)9432(Top 193%)
Half13.11 mi0.68 mi23123+259417+159417+1523045(Top 87%)9378(Top 82%)9378(Top 192%)
25K15.53 mi2.42 mi23157-349441-249441-2423249(Top 87%)9522(Top 83%)9522(Top 195%)
30K18.64 mi3.11 mi23217-609492-519492-5123412(Top 88%)9687(Top 85%)9687(Top 198%)
20M20.00 mi1.36 mi23215+29510-189510-1823414(Top 88%)9742(Top 85%)9742(Top 199%)
21M21.00 mi1.00 mi23299-849555-459555-4524164(Top 91%)10181(Top 89%)10181(Top 208%)
35K21.75 mi0.75 mi23309-109568-139568-1323553(Top 88%)9905(Top 87%)9905(Top 203%)
23M23.00 mi1.25 mi23439-1309650-829650-8224699(Top 93%)10485(Top 92%)10485(Top 215%)
24M24.00 mi1.00 mi23388+519630+209630+2022282(Top 84%)9254(Top 81%)9254(Top 189%)
40K24.85 mi0.85 mi233889646-169646-1623337(Top 88%)9845(Top 86%)9845(Top 202%)
25.2M25.20 mi0.35 mi23371+179641+59641+522165(Top 83%)9224(Top 81%)9224(Top 189%)
Finish26.22 mi1.02 mi23342+299632+99632+922623(Top 85%)9460(Top 83%)9460(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23313

Females

9501

F18-39

9501

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23306

Females

9515

F18-39

9515

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23313

Females

9501

F18-39

9501

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23154

Females

9432

F18-39

9432

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23045

Females

9378

F18-39

9378

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23249

Females

9522

F18-39

9522

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23412

Females

9687

F18-39

9687

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23414

Females

9742

F18-39

9742

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

24164

Females

10181

F18-39

10181

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23553

Females

9905

F18-39

9905

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24699

Females

10485

F18-39

10485

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22282

Females

9254

F18-39

9254

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23337

Females

9845

F18-39

9845

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22165

Females

9224

F18-39

9224

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22623

Females

9460

F18-39

9460

Passing Analysis

Category:
Athletes Passed
826
Passed By
1568
Net Change
-742
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22600
5K → 10K88511-423#22600#23023
10K → 15K94217-123#23023#23146
15K → 20K125127-2#23146#23148
20K → Half3813+25#23148#23123
Half → 25K85119-34#23123#23157
25K → 30K103163-60#23157#23217
30K → 20M5351+2#23217#23215
20M → 21M18102-84#23215#23299
21M → 35K2535-10#23299#23309
35K → 23M22152-130#23309#23439
23M → 24M6110+51#23439#23388
24M → 40K42420#23388#23388
40K → 25.2M225+17#23388#23371
25.2M → Finish5021+29#23371#23342
TOTALS8261568-742
📊

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